CN108469858A - Switchgear house switchgear temperature and humidity control system and its operation method - Google Patents
Switchgear house switchgear temperature and humidity control system and its operation method Download PDFInfo
- Publication number
- CN108469858A CN108469858A CN201810539787.7A CN201810539787A CN108469858A CN 108469858 A CN108469858 A CN 108469858A CN 201810539787 A CN201810539787 A CN 201810539787A CN 108469858 A CN108469858 A CN 108469858A
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- Prior art keywords
- air
- switchgear
- temperature
- valve
- humidity sensor
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of switchgear house switchgear temperature and humidity control systems, air-treatment unit including being located at switchgear house, it includes shell, surface cooler is from left to right equipped in shell successively, electric heater and frequency conversion fan, the left side side wall of shell is equipped with air inlet, right sidewall is equipped with air outlet, the fresh air pipeline that can be stretched to outside switchgear house is equipped in air inlet, air returning valve is additionally provided in housing sidewall, the air supply duct of switchgear inner underside can be stretched to by being equipped in air outlet, centralized control cabinet is additionally provided in switchgear house, indoor temperature and humidity sensor is equipped in switchgear, outdoor temperature humidity sensor is equipped in fresh air pipeline outside switchgear house, indoor temperature and humidity sensor, the output end of outdoor temperature humidity sensor is connected with centralized control cabinet, the output end of centralized control cabinet respectively with frequency conversion fan, electric heater, air returning valve is connected；Humiture in the system controllable switch cabinet；The invention discloses a kind of switchgear house switchgear temperature and humidity control system operation methods.
Description
Technical field
The present invention relates to switchgear house switchgear, more particularly to a kind of switchgear house switchgear temperature and humidity control system and its operation
Method.
Background technology
The indoor electrical equipment of distribution is distributed in the links of power grid as a part important in electric system.By
It is serious in electrical equipment self-heating so that its internal temperature is higher, easily causes accident.And hot environment meeting acceleration equipment is old
Change, shortens service life of equipment.When also inside electric appliance relative humidity is higher, then easily there is condensation, cause electric discharge or
Short circuit, endangers the safe operation of electric system, at the same higher relative humidity can also acceleration equipment corrosion.It is therefore desirable to right
The electric equipment operation operating mode of switchgear house is controlled, and is mainly reflected in and is controlled internal humiture.
By finding that only minority is equipped with electric equipment operation in current switchgear house to the retrieval for being disclosed technology
Operating conditions system, and existing a small number of electric equipment operation operating conditions systems concentrate on controlling integrated environment, control
The effect is unsatisfactory for system, and there is a problem of that energy consumption is larger.
Invention content
In view of this, the object of the present invention is to provide a kind of switchgear house switchgear temperature and humidity control system, it can be according to detection
Situation is turned on and off a part of device therein, and energy conservation and environmental protection, the present invention also provides a kind of switchgear house switchgear humiture controls
The operation method of system processed.
An object of the present invention is achieved through the following technical solutions：
Switchgear house switchgear temperature and humidity control system, including the air-treatment unit in switchgear house is set, at the air
It includes shell to manage unit, and surface cooler, electric heater and frequency conversion fan, the shell have been set gradually from left to right in the shell
Left side side wall on be provided with air inlet, air outlet is provided in the right sidewall of the shell, is provided in the air inlet
The fresh air pipeline outside switchgear house can be stretched to, new air-valve is provided on the fresh air pipeline, is additionally provided with back in the housing sidewall
Air-valve is provided with the air supply duct that can stretch to switchgear inner underside in the air outlet, concentration is additionally provided in the switchgear house
Switch board is provided with indoor temperature and humidity sensor in the switchgear, outdoor is provided in the fresh air pipeline outside the switchgear house
Temperature Humidity Sensor, the indoor temperature and humidity sensor, outdoor temperature humidity sensor output end be connected with centralized control cabinet,
The output end of the centralized control cabinet is connected with frequency conversion fan, electric heater, new air-valve, air returning valve respectively.
Further, the system also includes handpiece Water Chilling Units, constant temperature water tank and electric T-shaped valve, the outlets of the handpiece Water Chilling Units
It is connected with the first entrance of constant temperature water tank, the entrance phase that the first outlet of the constant temperature water tank passes through the first water pump and handpiece Water Chilling Units
Even, the second outlet of the constant temperature water tank is connected by the second water pump with electric T-shaped valve, the outlet of the electric T-shaped valve and
The entrance of surface cooler is connected, and the outlet of the surface cooler is connected with the second entrance of constant temperature water tank, the by-pass port of the triple valve
It is connected with the second entrance of constant temperature water tank, the handpiece Water Chilling Units, the first water pump, the second water pump, electric T-shaped valve are controlled with concentration
Cabinet processed is connected.
Further, air-supply Temperature Humidity Sensor and blast pressure sensor are additionally provided in the air supply duct, it is described to send
Wind-warm syndrome humidity sensor, blast pressure sensor output end be connected with centralized control cabinet.
Further, it is provided with air filter between the air inlet and surface cooler.
Further, the shell is insulation shell.
The second object of the present invention is to what is be achieved through the following technical solutions：
The operation method of switchgear house switchgear temperature and humidity control system, has following several：
(1) when indoor temperature and humidity sensor detects that humiture is respectively less than setting value, air-treatment unit is inoperative, this
When new air-valve and air returning valve open；
(2) when indoor temperature and humidity sensor detects that humiture is all higher than setting value, centralized control cabinet controls cooling-water machine
Group, the first water pump, constant temperature water tank, the second water pump, electric T-shaped valve, frequency conversion fan work, i.e. surface cooler work, at this time new air-valve
It is opened with air returning valve；
(4) it when indoor temperature and humidity sensor detects indoor temperature higher than setting value and humidity is less than setting value, concentrates
Switch board controls surface cooler work；
(5) it when indoor temperature and humidity sensor detects indoor temperature less than setting value and humidity is higher than setting value, concentrates
Switch board controls electric heater work；
(6) when outdoor temperature humidity sensor detects that humiture is less than setting value, centralized control cabinet controls air returning valve and closes
Close, new air-valve open, surface cooler do not work, frequency conversion fan work, when outdoor temperature humidity sensor detect humiture be more than set
When definite value, centralized control cabinet controls new air-valve and closes, and air returning valve is opened, surface cooler work, frequency conversion fan work.
The beneficial effects of the invention are as follows：
The switchgear house switchgear temperature and humidity control system of the present invention has as follows a little：
First, it can be achieved that switchgear house inside switch cabinet temperature and relative humidity intelligent control, ensure temperature and relatively wet
Degree is within the scope of for equipment safety operation, breakdown loss caused by avoiding because of overheat, the condensation the problems such as.
Second, all-fresh air pattern is opened in the case where outdoor temperature humidity meets condition, makes full use of natural cooling source, effectively
The energy consumption of reduction system, energy conservation and environmental protection.
Third uses the air supply mode of local relief, is carried out only for switchgear house inside switch cabinet microenvironment humiture
Regulation and control, reduce unnecessary energy dissipation, energy conservation and environmental protection.
4th, it is provided with electric heater after surface cooler, when low temperature and high relative humidity operating mode dehumidification by condensation is more difficult, can pass through
Improving air themperature reduces inside switch cabinet relative humidity, prevents condensation, strong applicability can be further energy saving.
Other advantages, target and the feature of the present invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.The target and other advantages of the present invention can be wanted by following specification and right
Book is sought to realize and obtain.
Description of the drawings
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
The detailed description of one step, wherein：
Fig. 1 is schematic structural view of the invention.
Specific implementation mode
Hereinafter reference will be made to the drawings, and the preferred embodiment of the present invention is described in detail.It should be appreciated that preferred embodiment
Only for illustrating the present invention, the protection domain being not intended to be limiting of the invention.
As shown in Figure 1, switchgear house switchgear temperature and humidity control system, including the air-treatment unit 1 in switchgear house is set,
Air-treatment unit 1 includes shell 20, and filter 18, surface cooler 13, electric heater have been set gradually from left to right in shell 20
14 and frequency conversion fan 15, air inlet is provided on the left side side wall of shell 20, and air outlet is provided in the right sidewall of shell 20,
It is provided with the fresh air pipeline 8 that can be stretched to outside switchgear house in air inlet, new air-valve 16,20 side wall of shell are provided on fresh air pipeline 8
On be additionally provided with air returning valve 17, the air supply duct 7 that can stretch to switchgear inner underside is provided in air outlet, system further includes cold water
The outlet of unit 2, constant temperature water tank 3 and electric T-shaped valve 6, handpiece Water Chilling Units 2 is connected with the first entrance of constant temperature water tank 3, thermostatted water
The first outlet of case 3 is connected by the first water pump 4 with the entrance of handpiece Water Chilling Units 2, and the second outlet of constant temperature water tank 3 passes through the second water
Pump 5 is connected with electric T-shaped valve 6, and the outlet of electric T-shaped valve 6 is connected with the entrance of surface cooler 13, outlet and the perseverance of surface cooler 13
The second entrance of reservoir 3 is connected, and the by-pass port of triple valve 6 is connected with the second entrance of constant temperature water tank 3, is also set up in switchgear house
There is centralized control cabinet 9, indoor temperature and humidity sensor 10 is provided in switchgear, is arranged in the fresh air pipeline 8 outside switchgear house and has family
Outer Temperature Humidity Sensor 11, indoor temperature and humidity sensor 10, outdoor temperature humidity sensor 11 output end with centralized control cabinet 9
Be connected, the output end of centralized control cabinet 9 respectively with handpiece Water Chilling Units 2, the first water pump 4, the second water pump 5, electric T-shaped valve 6, frequency conversion
Wind turbine 15, electric heater 14, new air-valve 16, air returning valve 17 are connected.
Handpiece Water Chilling Units provide low-temperature receiver for cooling-dehumidifying air process, are existing；Constant temperature water tank is for stablizing surface cooler
Inlet temperature, the influence for preventing fluctuating temperature from being generated to air handling process；Electric T-shaped valve is cold into table for automatically adjusting
The chilled-water flow of device realizes indoor humidity control；Surface cooler carries out cooling to air-supply and removes for realizing the heat exchange of air and water
It is wet.Chilled water recycles between handpiece Water Chilling Units and constant temperature water tank, realizes the control of water temperature in constant temperature water tank.Chilled water is in thermostatted water
It is recycled between case, the second water pump, electric T-shaped valve and surface cooler, cold quantity transmission to surface cooler dehumidified for air cooling-down
Journey.Filter ensures the cleanliness factor of air-supply for the molecule of airborne dust, dust in purifying air-feeding.
Air-supply Temperature Humidity Sensor 12 and blast pressure sensor 19 are additionally provided in air supply duct 7, air-supply humiture passes
Sensor 12, blast pressure sensor 19 output end be connected with centralized control cabinet 9, can be timely according to the situation in air supply duct
Control surface cooler 13, electric heater 14 and frequency conversion fan 15.
Shell 20 is insulation shell, prevents the temperature in shell from influencing the normal operation of adjacent equipment.
Have following several：
(1) when indoor temperature and humidity sensor 10 detects that humiture is respectively less than setting value, air-treatment unit 1 is not transported
Make, new air-valve 16 and air returning valve 17 are opened at this time；
(2) when indoor temperature and humidity sensor 10 detects that humiture is all higher than setting value, centralized control cabinet 9 controls cold water
Unit 2, constant temperature water tank 3, the first water pump 4, the second water pump 5, electric T-shaped valve 6, frequency conversion fan 19 work, i.e. 13 work of surface cooler
Make, new air-valve 16 and air returning valve 17 are opened at this time；
(4) when indoor temperature and humidity sensor 10 detects indoor temperature higher than setting value and humidity is less than setting value, collection
Middle switch board 9 controls surface cooler 13 and works；
(5) when indoor temperature and humidity sensor 10 detects indoor temperature less than setting value and humidity is higher than setting value, collection
Middle switch board 9 controls electric heater 14 and works；
Specifically, when relative humidity is more than the unlatching humidity set point of electric heater 14 in switchgear, opening electric heater
14；When relative humidity is more than electricity less than temperature averages in the closing humidity set point of electric heater 14 or switchgear in switchgear
When 14 closing temperature setting value of heater, electric heater 14 is closed.
(6) when outdoor temperature humidity sensor 11 detects that humiture is less than setting value, centralized control cabinet 9 controls air returning valve
17 close, new air-valve 16 is opened, surface cooler 13 does not work, frequency conversion fan 19 works, when outdoor temperature humidity sensor 11 detects
When humiture is greater than the set value, centralized control cabinet 9 controls new air-valve 16 and closes, and air returning valve 17 is opened, the work of surface cooler 13, frequency conversion
Wind turbine 15 works.
Blast pressure setting value, wind pushing temperature setting value, inside switch cabinet RH set point, in humidity constant state temperature
It limits setting value, fresh air humidity set point, electric heater and opens humidity set point, electric heater closing humidity set point and electrical heating
Device closing temperature setting value can carry out corresponding modification according to season and actual demand.
The system enters from fresh air pipeline 8 and new air-valve 16 or air returning valve 17 from air when in use, by processing air
Unit 1 is managed, later successively after the processing of filter 18, surface cooler 13 and electric heater 14, is sent described in by 15 machine of frequency conversion wind
Air hose 7 is sent into from switchgear bottom in switchgear.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Right in.
Claims (6)
1. switchgear house switchgear temperature and humidity control system, it is characterised in that：Including the air-treatment unit in switchgear house, institute is arranged
It includes shell to state air-treatment unit, and surface cooler, electric heater and frequency conversion fan have been set gradually from left to right in the shell,
It is provided with air inlet on the left side side wall of the shell, air outlet, the air inlet are provided in the right sidewall of the shell
It is inside provided with the fresh air pipeline that can be stretched to outside switchgear house, new air-valve is provided on the fresh air pipeline, is gone back in the housing sidewall
It is provided with air returning valve, the air supply duct that can stretch to switchgear inner underside is provided in the air outlet, is also set in the switchgear house
It is equipped with centralized control cabinet, indoor temperature and humidity sensor is provided in the switchgear, is set in the fresh air pipeline outside the switchgear house
Be equipped with outdoor temperature humidity sensor, the indoor temperature and humidity sensor, outdoor temperature humidity sensor output end control with concentrating
Cabinet processed is connected, and the output end of the centralized control cabinet is connected with frequency conversion fan, electric heater, new air-valve, air returning valve respectively.
2. switchgear house switchgear temperature and humidity control system according to claim 1, it is characterised in that：The system also includes
Handpiece Water Chilling Units, constant temperature water tank and electric T-shaped valve, the outlet of the handpiece Water Chilling Units is connected with the first entrance of constant temperature water tank, described
The first outlet of constant temperature water tank is connected by the first water pump with the entrance of handpiece Water Chilling Units, and the second outlet of the constant temperature water tank passes through
Second water pump is connected with electric T-shaped valve, and the outlet of the electric T-shaped valve is connected with the entrance of surface cooler, the surface cooler
Outlet is connected with the second entrance of constant temperature water tank, and the by-pass port of the triple valve is connected with the second entrance of constant temperature water tank, described
Handpiece Water Chilling Units, the first water pump, the second water pump, electric T-shaped valve are connected with centralized control cabinet.
3. switchgear house switchgear temperature and humidity control system according to claim 1, it is characterised in that：In the air supply duct
It is additionally provided with air-supply Temperature Humidity Sensor and blast pressure sensor, the air-supply Temperature Humidity Sensor, blast pressure sensor
Output end be connected with centralized control cabinet.
4. switchgear house switchgear temperature and humidity control system according to claim 1 or 2, it is characterised in that：The air inlet
Air filter is provided between surface cooler.
5. switchgear house switchgear temperature and humidity control system according to claim 1 or 2, it is characterised in that：The shell is
Insulation shell.
6. the operation method of claims 1 or 2 or 3 or 4 or 5 switchgear house switchgear temperature and humidity control systems, it is characterised in that：Have
It is following several：
(1) when indoor temperature and humidity sensor detects that humiture is respectively less than setting value, air-treatment unit is inoperative, this is stylish
Air-valve and air returning valve are opened；
(2) when indoor temperature and humidity sensor detects that humiture is all higher than setting value, centralized control cabinet controls handpiece Water Chilling Units, the
One water pump, constant temperature water tank, the second water pump, electric T-shaped valve, frequency conversion fan work, i.e., surface cooler work, at this time new air-valve and return
Air-valve is opened；
(4) when indoor temperature and humidity sensor detects indoor temperature higher than setting value and humidity is less than setting value, centralized control
Cabinet controls surface cooler work；
(5) when indoor temperature and humidity sensor detects indoor temperature less than setting value and humidity is higher than setting value, centralized control
Cabinet controls electric heater work；
(6) when outdoor temperature humidity sensor detects that humiture is less than setting value, centralized control cabinet controls air returning valve and closes, is new
Air-valve is opened, surface cooler does not work, frequency conversion fan work, when outdoor temperature humidity sensor detects that humiture is greater than the set value
When, centralized control cabinet controls new air-valve and closes, and air returning valve is opened, surface cooler work, frequency conversion fan work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810539787.7A CN108469858A (en) | 2018-05-30 | 2018-05-30 | Switchgear house switchgear temperature and humidity control system and its operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810539787.7A CN108469858A (en) | 2018-05-30 | 2018-05-30 | Switchgear house switchgear temperature and humidity control system and its operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108469858A true CN108469858A (en) | 2018-08-31 |
Family
ID=63261693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810539787.7A Pending CN108469858A (en) | 2018-05-30 | 2018-05-30 | Switchgear house switchgear temperature and humidity control system and its operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108469858A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447789A (en) * | 2020-03-26 | 2020-07-24 | 武汉钢铁有限公司 | Data center cabinet and air conditioning control method |
| CN112688215A (en) * | 2021-01-21 | 2021-04-20 | 湖南惠电科技有限公司 | Temperature and humidity control system and method for switch cabinet of power distribution room |
| CN112930075A (en) * | 2019-12-05 | 2021-06-08 | 株洲中车时代电气股份有限公司 | Frequency converter cooling system, equipment applying frequency converter and cooling control method |
| CN115609555A (en) * | 2022-07-25 | 2023-01-17 | 广西电网有限责任公司北海供电局 | Remove moisture fast and remove safety tool device |
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| CN207427709U (en) * | 2017-12-04 | 2018-05-29 | 贵州电网有限责任公司 | A kind of electric equipment operation operating conditions system suitable for switchgear house |
| CN208873061U (en) * | 2018-05-30 | 2019-05-17 | 贵州电网有限责任公司 | Switchgear house switchgear temperature and humidity control system |
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| CN207427709U (en) * | 2017-12-04 | 2018-05-29 | 贵州电网有限责任公司 | A kind of electric equipment operation operating conditions system suitable for switchgear house |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930075A (en) * | 2019-12-05 | 2021-06-08 | 株洲中车时代电气股份有限公司 | Frequency converter cooling system, equipment applying frequency converter and cooling control method |
| CN111447789A (en) * | 2020-03-26 | 2020-07-24 | 武汉钢铁有限公司 | Data center cabinet and air conditioning control method |
| CN112688215A (en) * | 2021-01-21 | 2021-04-20 | 湖南惠电科技有限公司 | Temperature and humidity control system and method for switch cabinet of power distribution room |
| CN115609555A (en) * | 2022-07-25 | 2023-01-17 | 广西电网有限责任公司北海供电局 | Remove moisture fast and remove safety tool device |
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