CN101893301A - Heat removal and temperature control energy-saving system for mobile communication base station - Google Patents
Heat removal and temperature control energy-saving system for mobile communication base station Download PDFInfo
- Publication number
- CN101893301A CN101893301A CN201010232010XA CN201010232010A CN101893301A CN 101893301 A CN101893301 A CN 101893301A CN 201010232010X A CN201010232010X A CN 201010232010XA CN 201010232010 A CN201010232010 A CN 201010232010A CN 101893301 A CN101893301 A CN 101893301A
- Authority
- CN
- China
- Prior art keywords
- heat
- temperature
- base station
- hot
- mouth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y02B60/50—
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a heat removal and temperature control energy-saving system for a mobile communication base station. At present, the mobile communication base station discharges equipment heat indoors and reduces the temperature by using an air conditioner or fresh air, so that the load of the air conditioner and a fan is increased and power consumption is improved. The invention aims to provide a system capable of directly discharging all or part of the equipment heat outdoors so as to reduce the load of the air conditioner and the fan, reduce the power consumption and control indoor temperature. The system comprises a heat collector and a heat dispersing nozzle, and is characterized in that: the heat collector is connected with the fan plugged box of a heat-producing device, discharges all or part of collected hot gas outdoors and correspondingly absorbs the fresh air from a fresh air inlet, and the temperature difference is the reduced work amount of the air conditioner; and the heat dispersing nozzle can control the indoor temperature so as to prolong the service life of a storage battery and the heat-producing device and reduce the rotating speed of cooling fan equipment and the power consumption of the equipment.
Description
[technical field] the invention belongs to the electronic equipment area of maintenance, relates to the electronic equipment machine room, especially heat removal and temperature control energy-saving system for mobile communication base station.
[background technology] according to statistics, the power consumption of mobile communication base station accounts for about 70% of operator's total power consumption, and the power consumption of base station air conditioner accounts for about 50% of base station power consumption, operator should be placed on the starting point of energy-saving and emission-reduction on the power consumption of power consumption, the especially base station air conditioner of controlling the mobile communication base station.Base station or machine room (hereinafter to be referred as the chamber) are spaces of sealing, transceiver, transmission system, power-supply device and battery, air-conditioning etc. are placed in the inside, wherein produce heat in transceiver, transmission and the power-supply device work, need radiating and cooling just can keep normal operation.Each equipment that easily generates heat all has heat abstractors such as fan subrack or blower fan, but the heat of device for transferring more than 80%, and the hot gas of (other heats shed by the equipment consumption in operation with from the rack surface) its discharge causes indoor temperature and raises rapidly about 70 degree centigrade.At present the mobile communication base station generally all be adopt the equipment cooling device with hot air discharge indoor, with modes such as air-conditionings indoor whole space is lowered the temperature then.The technology of introducing new wind (outdoor natural source air) is also arranged, change the wind energy-saving scheme as the intelligence that the article " energy-conservation planning in mobile communication base station and design " of 2008 China's Telecommunication's power supplys and lightning protection forum collection of thesis is mentioned, utilize outdoor new wind by in the fan inlet chamber, discharge a part of room air to reduce temperature, use air-conditioning temperature-reducing again.Above scheme all is by the equipment cooling device hot gas to be come indoor and original air to mix, and by air-conditioning mixing air is lowered the temperature or is displaced partially mixed air with new wind then and use air-conditioning temperature-reducing again.This heat with the discharging of equipment cooling device continues to join the situation in air-conditioning work amount and the new wind replacement amount, has strengthened the load of air-conditioning and blower fan, has improved power consumption.
[summary of the invention] the objective of the invention is to overcome in earlier stage, and technology all is emitted on indoor defective to the newly-increased heat of equipment, providing can be directly outdoor all or part of discharge of heat of equipment cooling device discharging, suppressing room air heats up, thereby reduce air-conditioning and blower fan load, reduce the power consumption of air-conditioning and blower fan and control the system of indoor temperature, be i.e. heat removal and temperature control energy-saving system for mobile communication base station.
The present invention includes heat collector 1 and divide hot mouth 2, it is characterized in that, heat collector 1 is connected the hot-flow flue 4 of one or more, hot-flow flue 4 lower ends are connected the fan subrack of heat-producing device or the exhaust outlet of blower fan by the induced duct 5 more than with flexible interface or alternate manner, hot gas is pooled in heat collector 1 cavity, again from the heat extraction mouth 6 of heat collector 1 end to outdoor discharge hot gas, correspondingly from the outer natural source of fresh wind port 3 suction chambers air; Before dividing hot mouth 2 to be located at heat extraction mouth 6, can control indoor temperature by dividing hot mouth 2 when needing to indoor discharging hot gas.Heat collector 1 and hot-flow flue 4, induced duct 5 are the square or round tubular thing that metal or nonmetallic materials are made, and induced duct 5 is flexible; Induced duct 5 and hot-flow flue 4 compile the newly-increased heat of heat-producing device to heat collector 1 cavity, heat collector 1 is answered the low and terminal height in top, need the also corresponding arrangement of equipment of heat extraction, nature is from heat extraction mouth 6 and divide hot mouth 2 discharging hot gas, also can before Fen Rezui 2, establish heat extraction blower fan 7, force to discharge hot gas in heat collector 1 cavity; The setting of heat collector 1, hot-flow flue 4 should not influence the maintenance of equipment, and induced duct 5 dismountings are simple, to make things convenient for the maintenance of equipment; An above temperature sensor is set in the heat collector 1.Divide hot mouth 2 to be provided with remote-controlled deep bead 10, when it is closed fully, closed and divided hot mouth 2, complete opening heat extraction mouth 6; When its complete opening, opened and divided hot mouth 2, closed heat extraction mouth 6; Degree according to its unlatching can be by dividing hot mouth 2 to a certain amount of hot gas of indoor discharging, and with the control indoor temperature, the mouth 6 of heat extraction simultaneously is to outdoor discharging hot gas; The bore of the hot mouth 2 of branch should be suitable with the bore of heat extraction mouth 6.Heat extraction mouth 6 is opened on the body of wall of base station, and body of wall top preferably is that hole and antitheft, protection against rodents, rainproof protective cover, rain cap about 20cm formed by diameter.Fresh wind port 3 is located on the body of wall of base station, the bottom of north wall or Dong Qiang preferably, fresh wind port 3 is made up of the bore of bore and heat extraction mouth 6 suitable hole and airstrainer, antitheft protective cover, dehumidifier, Temperature Humidity Sensor and control valve, blinds, the blower fan of protection against rodents, can open or close; Automatically it is up to standard to guarantee new rheumatism degree to open dehumidifier when new rheumatism degree exceeds standard, and also can not establish dehumidifier, up to standard by the dehumidification function assurance indoor humidity of air-conditioning 8; Also can not establish blower fan forces air draft to cause indoor formation negative pressure and suck new wind by heat extraction mouth 6.The indoor intelligent controller 9 that is provided with connects control valve, the Temperature Humidity Sensor on host computer communication and heat collector 1, fresh wind port 3, heat extraction blower fan 7, air-conditioning 8 and the deep bead 10 and is located at the indoor Temperature Humidity Sensor more than, according to humiture situation automatic switch control valve, dehumidifier, the control heat exhaust is regulated indoor temperature and humidity to meet established standards; For avoiding the frequent switch air-conditioning 8 of temperature fuctuation within a narrow range, the shortest switch gap time can be set, ignore variations in temperature in this period, do not carry out switching manipulation.The heat collector 1 of the high-temperature gas that being provided with of the invention compiles, the exhaust apparatus heat abstractor is discharged and can be to the hot mouth 2 of branch of indoor discharging hot gas with the control room temperature, when temperature is higher than design temperature and is lower than in the heat collector 1 temperature outside, all discharge the high-temperature gas in the heat collector 1 outdoor, introduce with the new wind of amount, both temperature difference promptly are the workloads that air-conditioning 8 reduces, the power consumption expense of having saved air-conditioning 8.When temperature is lower than design temperature outside, close air-conditioning 8,, mix, make indoor temperature reach design temperature with the new wind of introducing of low temperature by dividing hot mouth 2 to indoor discharge unit hot gas.Simultaneously, because room temperature is constant in design temperature, prolong the service life of battery and heat-producing device, guaranteed the base station equipment reliability; Can reduce simultaneously the rotating speed of fan in the equipment cooling device or blower fan, reduce the electricity consumption of equipment amount.
[description of drawings] accompanying drawing further discloses specific embodiments of the invention:
Fig. 1: heat removal and temperature control energy-saving system for mobile communication base station schematic diagram.Fig. 2: deep bead 10 opening and closing state vertical views, wherein entity deep bead 10 is a closed condition, dotted line deep bead 10 is an opening.
[specific embodiment] the object of the present invention is achieved like this:
The mobile communication base station environmental work condition that the present invention will control can be with reference to " GF014-1995 communications equipment room environmental condition ", and temperature is located at 10-35 degree centigrade, and humidity is located at 10%-90%, and cleanliness factor is B.Consider that the battery optimum working temperature is 25 degrees centigrade in the base station, and the present invention has the ability with less expending temperature to be controlled at this interval, can fix on 25 degrees centigrade to setting value for well.By the following operation of intelligent controller 9 control: when outer temperature is higher than setting value, when being lower than in the heat collector 1 temperature, air-conditioning 8 and heat extraction mouth 6, fresh wind port 3 start simultaneously, discharge hot gas at full capacity, with the new wind of amount introducing, with air-conditioning temperature are controlled at setting value.When outer temperature is lower than setting value, close air-conditioning 8, with dividing hot mouth 2 and heat extraction mouth 6, fresh wind port 3 that indoor temperature is controlled at setting value, concrete operations are that control heat extraction mouth 6 and the opening degree that divides hot mouth 2 are to indoor discharge unit hot gas, mix with the new wind of the low temperature that sucks, make room temperature remain on setting value.After outside air temperature is extremely low, closes heat extraction mouth 6 and fresh wind port 3, open to divide hot mouth 2 and indoor temperature when still being lower than setting value, open air-conditioning 8 automatically, heighten room temperature to setting value.Close heat extraction mouth 6 and fresh wind port 3 when outer temperature is higher than in the heat collector 1 temperature, open and divide hot mouth 2, rely on air-conditioning 8 to reduce room temperatures.
Claims (6)
1. heat removal and temperature control energy-saving system for mobile communication base station, comprise heat collector (1) and divide hot mouth (2), it is characterized in that, heat collector (1) is connected the hot-flow flue (4) of one or more, hot-flow flue (4) lower end is connected the fan subrack of heat-producing device or the exhaust outlet of blower fan by the induced duct (5) more than with flexible interface or alternate manner, hot gas is pooled in heat collector (1) cavity, again from the terminal heat extraction mouth (6) of heat collector (1) to outdoor discharge hot gas, correspondingly from the outer natural source of fresh wind port (3) suction chamber air; It is preceding that the hot mouth of branch (2) is located at heat extraction mouth (6), can be when needing by Fen Rezui (2) to indoor discharging hot gas, and the control indoor temperature.
2. heat removal and temperature control energy-saving system for mobile communication base station according to claim 1, its feature is that also said heat collector (1) and hot-flow flue (4), induced duct (5) are the square or round tubular thing that metal or nonmetallic materials are made, induced duct (5) is flexible, and induced duct (5) and hot-flow flue (4) compile the newly-increased heat of heat-producing device to heat collector (1) cavity; Heat collector (1) is answered the low and terminal height in top, needs the also corresponding arrangement of equipment of heat radiation, and nature is from heat extraction mouth (6) and divide hot mouth (2) discharging hot gas; Also can force to discharge hot gas in heat collector (1) cavity at the preceding heat extraction blower fan (7) of establishing of Fen Rezui (2); The setting of heat collector (1), hot-flow flue (4) should not influence the maintenance of equipment, and induced duct (5) dismounting is simple, to make things convenient for the maintenance of equipment; Temperature sensor more than one is set in the heat collector (1).
3. heat removal and temperature control energy-saving system for mobile communication base station according to claim 1, its feature are that also the hot mouth of said branch (2) is provided with remote-controlled deep bead (10), have closed Fen Rezui (2) when it is closed fully, complete opening heat extraction mouth (6); When its complete opening complete opening Fen Rezui (2), closed heat extraction mouth (6); Degree according to its unlatching can be by Fen Rezui (2) to a certain amount of hot gas of indoor discharging, and with the control indoor temperature, heat extraction mouth (6) is to outdoor discharging hot gas simultaneously; The bore of the hot mouth of branch (2) should be suitable with the bore of heat extraction mouth (6).
4. heat removal and temperature control energy-saving system for mobile communication base station according to claim 1, its feature also is, said heat extraction mouth (6) is in heat collector (1) end, be opened on the body of wall of base station, body of wall top preferably can be made up of the hole about diameter 20cm and antitheft, protection against rodents, rainproof protective cover, rain cap.
5. heat removal and temperature control energy-saving system for mobile communication base station according to claim 1, its feature also is, said fresh wind port (3) is located on the body of wall of base station, the bottom of north wall or Dong Qiang preferably, fresh wind port (3) can be made up of bore hole, airstrainer, protection against rodents antitheft protective cover, dehumidifier, Temperature Humidity Sensor and control valve, blinds, the blower fan suitable with heat extraction mouth (6) bore, can open or close; Automatically it is up to standard to guarantee new rheumatism degree to open dehumidifier when new rheumatism degree exceeds standard, and also can not establish dehumidifier, up to standard by the dehumidification function assurance indoor humidity of air-conditioning (8); Fresh wind port (3) also can not established blower fan, forces air draft to cause indoor formation negative pressure and suck new wind by heat extraction blower fan (7).
6. heat removal and temperature control energy-saving system for mobile communication base station according to claim 1, its feature also is, be provided with intelligent controller (9) in the base station, connect control valve, the Temperature Humidity Sensor on host computer communication and heat collector (1), fresh wind port (3), heat extraction blower fan (7), air-conditioning (8) and the deep bead (10) and be located at the indoor Temperature Humidity Sensor more than; Intelligent controller (9) can be according to humiture situation automatic switch control valve, dehumidifier, and the control heat exhaust is regulated indoor temperature and humidity to meet established standards; For avoiding the frequent switch air-conditioning 8 of temperature fuctuation within a narrow range, the shortest switch gap time can be set, ignore variations in temperature in this period, do not carry out switching manipulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010232010XA CN101893301A (en) | 2010-07-12 | 2010-07-12 | Heat removal and temperature control energy-saving system for mobile communication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010232010XA CN101893301A (en) | 2010-07-12 | 2010-07-12 | Heat removal and temperature control energy-saving system for mobile communication base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101893301A true CN101893301A (en) | 2010-11-24 |
Family
ID=43102575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010232010XA Pending CN101893301A (en) | 2010-07-12 | 2010-07-12 | Heat removal and temperature control energy-saving system for mobile communication base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101893301A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213484A (en) * | 2011-05-30 | 2011-10-12 | 通力盛达能源设备（北京）有限公司 | Air heat exchange device, manufacturing method thereof and air heat exchange air-conditioning all-in-one device |
| CN102748831A (en) * | 2011-11-17 | 2012-10-24 | 江苏汉云信息科技有限公司 | Data center machine room for placing computers and control method of temperature and humidity of data center machine room |
| CN103062864A (en) * | 2012-12-26 | 2013-04-24 | 无锡博欧节能科技有限公司 | Method for accurately collecting actual outdoor temperatures in primary air system |
| CN103292396A (en) * | 2013-05-13 | 2013-09-11 | 漳州同心通信工程有限公司 | Method of cooling equipment in communication base station by directional heat release |
| CN103528158A (en) * | 2013-10-25 | 2014-01-22 | 沈阳智浦科技有限公司 | Passive exhaust system of base station |
| CN108131755A (en) * | 2017-12-14 | 2018-06-08 | 国家电网公司 | A kind of electrical equipment component cabinet humiture cooperative control method |
| CN108474565A (en) * | 2015-11-25 | 2018-08-31 | Hps家庭电源解决方案有限公司 | Residential energy sources center and method for operating residential energy sources center |
| CN109890178A (en) * | 2019-03-12 | 2019-06-14 | 华为技术有限公司 | Cabinet and flexible duct system |
| CN109974185A (en) * | 2019-03-29 | 2019-07-05 | 高一博 | A kind of naturally driving Interior Space mechanism of qi |
| CN110707584A (en) * | 2019-10-12 | 2020-01-17 | 三峡大学 | Switch cabinet internal short circuit arcing pressure relief channel and pressure relief method |
| CN110749098A (en) * | 2018-07-23 | 2020-02-04 | 广东Tcl智能暖通设备有限公司 | Warm air blower |
| CN111594991A (en) * | 2020-05-21 | 2020-08-28 | 美登思电气（上海）有限公司 | Air conditioner control system for communication base station and control method thereof |
| CN114110740A (en) * | 2021-11-12 | 2022-03-01 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001237580A (en) * | 2000-02-24 | 2001-08-31 | Hitachi Air Conditioning System Co Ltd | Air-conditioning system for cubicle |
| WO2001065898A1 (en) * | 2000-03-03 | 2001-09-07 | Siemens Aktiengesellschaft | Assembly for cooling electric modules and components thereof |
| CN1479057A (en) * | 2002-08-26 | 2004-03-03 | 三洋电机株式会社 | Air conditioner |
| CN2876606Y (en) * | 2006-01-05 | 2007-03-07 | 成都艾可信科技有限公司 | Fixed point heat removing energy-saver for machine room |
| CN101440984A (en) * | 2008-12-16 | 2009-05-27 | 中山大学 | Communication base station energy-saving air conditioner unit and airflow regulating method thereof |
| CN101514837A (en) * | 2008-02-18 | 2009-08-26 | 周星风 | Communication base station air conditioner comprehensive energy-saving system |
| CN201764611U (en) * | 2010-07-12 | 2011-03-16 | 孟翔鸣 | Heat-extraction temperature-control energy-saving system of mobile communication base station |
-
2010
- 2010-07-12 CN CN201010232010XA patent/CN101893301A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001237580A (en) * | 2000-02-24 | 2001-08-31 | Hitachi Air Conditioning System Co Ltd | Air-conditioning system for cubicle |
| WO2001065898A1 (en) * | 2000-03-03 | 2001-09-07 | Siemens Aktiengesellschaft | Assembly for cooling electric modules and components thereof |
| CN1479057A (en) * | 2002-08-26 | 2004-03-03 | 三洋电机株式会社 | Air conditioner |
| CN2876606Y (en) * | 2006-01-05 | 2007-03-07 | 成都艾可信科技有限公司 | Fixed point heat removing energy-saver for machine room |
| CN101514837A (en) * | 2008-02-18 | 2009-08-26 | 周星风 | Communication base station air conditioner comprehensive energy-saving system |
| CN101440984A (en) * | 2008-12-16 | 2009-05-27 | 中山大学 | Communication base station energy-saving air conditioner unit and airflow regulating method thereof |
| CN201764611U (en) * | 2010-07-12 | 2011-03-16 | 孟翔鸣 | Heat-extraction temperature-control energy-saving system of mobile communication base station |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012162938A1 (en) * | 2011-05-30 | 2012-12-06 | 通力盛达能源设备（北京）有限公司 | Air heat exchange device and manufacturing method thereof, and integrative air heat exchange air-conditioning device |
| CN102213484A (en) * | 2011-05-30 | 2011-10-12 | 通力盛达能源设备（北京）有限公司 | Air heat exchange device, manufacturing method thereof and air heat exchange air-conditioning all-in-one device |
| CN102748831A (en) * | 2011-11-17 | 2012-10-24 | 江苏汉云信息科技有限公司 | Data center machine room for placing computers and control method of temperature and humidity of data center machine room |
| CN102748831B (en) * | 2011-11-17 | 2015-06-03 | 江苏汉云信息科技有限公司 | Data center machine room for placing computers and control method of temperature and humidity of data center machine room |
| CN103062864A (en) * | 2012-12-26 | 2013-04-24 | 无锡博欧节能科技有限公司 | Method for accurately collecting actual outdoor temperatures in primary air system |
| CN103062864B (en) * | 2012-12-26 | 2015-08-19 | 无锡博欧节能科技有限公司 | For the outdoor true temperature method of accurate acquisition in VMC |
| CN103292396A (en) * | 2013-05-13 | 2013-09-11 | 漳州同心通信工程有限公司 | Method of cooling equipment in communication base station by directional heat release |
| CN103528158A (en) * | 2013-10-25 | 2014-01-22 | 沈阳智浦科技有限公司 | Passive exhaust system of base station |
| CN108474565A (en) * | 2015-11-25 | 2018-08-31 | Hps家庭电源解决方案有限公司 | Residential energy sources center and method for operating residential energy sources center |
| CN108131755A (en) * | 2017-12-14 | 2018-06-08 | 国家电网公司 | A kind of electrical equipment component cabinet humiture cooperative control method |
| CN108131755B (en) * | 2017-12-14 | 2019-12-31 | 国家电网公司 | Temperature and humidity cooperative control method for electrical equipment assembly cabinet |
| CN110749098A (en) * | 2018-07-23 | 2020-02-04 | 广东Tcl智能暖通设备有限公司 | Warm air blower |
| CN110749098B (en) * | 2018-07-23 | 2022-01-04 | 广东Tcl智能暖通设备有限公司 | Warm air blower |
| CN109890178A (en) * | 2019-03-12 | 2019-06-14 | 华为技术有限公司 | Cabinet and flexible duct system |
| CN109974185A (en) * | 2019-03-29 | 2019-07-05 | 高一博 | A kind of naturally driving Interior Space mechanism of qi |
| CN109974185B (en) * | 2019-03-29 | 2021-04-30 | 廖远杰 | Natural driving type indoor air machine |
| CN110707584A (en) * | 2019-10-12 | 2020-01-17 | 三峡大学 | Switch cabinet internal short circuit arcing pressure relief channel and pressure relief method |
| CN111594991A (en) * | 2020-05-21 | 2020-08-28 | 美登思电气（上海）有限公司 | Air conditioner control system for communication base station and control method thereof |
| CN114110740A (en) * | 2021-11-12 | 2022-03-01 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101893301A (en) | Heat removal and temperature control energy-saving system for mobile communication base station | |
| CN101832612B (en) | Efficient automatic dust-removing and intelligent ventilation system and automatic dust-removing method | |
| CN201764611U (en) | Heat-extraction temperature-control energy-saving system of mobile communication base station | |
| CN201199080Y (en) | Communication base station aeration cooling system | |
| CN201121959Y (en) | Intelligent energy-saving ventilating system of machine room | |
| CN206962316U (en) | Switchgear house temperature control heat sink | |
| CN101896057B (en) | Bidirectional automatic dust removal and intelligent ventilation system and bidirectional dust removing method | |
| CN105157182B (en) | Base station heat source intelligent management energy conserving system | |
| CN202885154U (en) | Intelligent ventilation energy-saving device | |
| CN202057989U (en) | Learning-type energy saving controller for communication base station/machine room | |
| CN201820865U (en) | Air cooled accumulator thermostat | |
| CN206533673U (en) | A kind of radiator structure for fiber optic cable communications outdoor cabinet | |
| CN105157187B (en) | A kind of base station thermal source intelligent management energy conserving system | |
| CN102003770B (en) | Method and device for controlling energy conservation of air conditioner of communication base station | |
| CN201014673Y (en) | Base station air conditioner energy-saving monitoring apparatus | |
| CN202973431U (en) | Automatic monitoring system between internal unit and external unit of air conditioner for communication machine room | |
| CN201766801U (en) | Bidirectional automatic dedusting intelligent ventilation system without exhaust fan | |
| CN204254823U (en) | A kind of intelligent ventilating system | |
| CN201858737U (en) | Intelligent ventilating system for communication base station | |
| WO2023109102A1 (en) | Intelligent environment control machine | |
| CN103629788A (en) | Fresh air energy-saving system for base station room | |
| CN104949204A (en) | Positive pressure type aeration cooling structure of transformer substation condenser room | |
| CN202792398U (en) | Base station machine room fresh air energy saving system | |
| CN204739684U (en) | Capacitor chamber positive pressure aeration cooling of transformer substation structure | |
| CN203550096U (en) | Intelligent energy-saving system of communication base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101124 |