CN107702251A - A kind of buried heat-exchanger rig of base station machine room based on air dielectric - Google Patents
A kind of buried heat-exchanger rig of base station machine room based on air dielectric Download PDFInfo
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- CN107702251A CN107702251A CN201711031573.0A CN201711031573A CN107702251A CN 107702251 A CN107702251 A CN 107702251A CN 201711031573 A CN201711031573 A CN 201711031573A CN 107702251 A CN107702251 A CN 107702251A
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- base station
- machine room
- pipe
- station machine
- pipeline
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0057—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a closed circuit in the ground
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of buried heat-exchanger rig of the base station machine room based on air dielectric, the well for setting a depth to be not less than 10 meters on ground, one group of sleeve pipe is set in the well, the gas that sleeve pipe is included in the first pipeline, second pipe and base station machine room can enter in the first pipeline, and the interlayer between the first pipeline and second pipe forms gas inlet pipe and gas therein carries out temperature adjustment by soil.The largest benefit of this programme is the thermostatic characteristics by the use of underground itself as temperature adjustment source, and gas is exchanged heat by soil, so as to realize to the temperature adjustment on ground in confined space；Only need to be powered blower fan compared to existing air-conditioning, this programme, can be achieved with circulating for air, so as to realize to the temperature adjustment in computer room target temperature control region；And the electricity consumed significantly reduces compared with air-conditioning.
Description
Technical field
The present invention relates to air temperature control field, especially energy-conserving and environment-protective field, specially a kind of base based on air dielectric
The buried heat-exchanger rig of computer room of standing.
Background technology
Public mobile communication base station is a kind of form of radio station, is referred in certain area of radio coverage, is led to
Mobile switching center is crossed, the transceiving letter radio station of information transmission is carried out between mobile telephone terminal.Mobile communication
The construction of base station is the pith of mobile communication carrier of China investment, and the construction of mobile communication base station is typically all to surround to cover
The key element such as capping, speech quality, returns of investment, construction difficulty or ease, easy to maintenance is carried out.
And China's major part communication base station is built on high mountain out of doors, particularly led in summer, outdoor temperature height
Cause the computer room temperature of storage equipment in base station also very high, be all that computer room is cooled using air-conditioning according to consistent mode,
To equipment region temperature control below 45 DEG C, to ups power supply areas temperature requirements below 30 DEG C.Generally, macro station computer room
One to three air-conditionings are configured as the case may be, and above-mentioned temperature requirements are completed in computer room；In integration station, equipment cabinet passes through interior
Exogenous wind independent loops structure using forced heat-exchanging mode in cabinet freeze, and ensures 45 DEG C of ＜ in equipment cabinet, the machine of the power supply containing ups
Cabinet configuration machine cabinet air-conditioner, ensure 30 DEG C of ＜ in power supply cabinet.This pattern all the time all in use in various base station machine rooms,
But the maintenance cost of air-conditioning and operating cost are very high, the electricity charge of the consumption of air-conditioning system 1 year account for the total power consumption in base station 30% ~
60%, and the maintenance and repair expense of upper air-conditioning is not included also.Therefore for whole base station system, not only maintenance and repair is costly,
And the substantial amounts of energy of consumption.
At present, also computer room cooling effectively can be carried out instead of the device of air-conditioning without a kind of, it is therefore desirable to design one kind
Air-conditioning can be replaced with the device of low-power consumption, low energy consumption, and maintenance cost is low, it is convenient to implement and management.
The content of the invention
It is an object of the invention to provide cooling device in one, for substituting the air-conditioning equipment in current base station machine room, realizes
After air heat-exchange, the control of temperature in base station machine room is realized.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of buried heat-exchanger rig of base station machine room based on air dielectric, it is 10 meters -100 meters that a depth is set in underground
Well, sets one group of sleeve pipe in the well, and described sleeve pipe includes the first pipeline, second pipe, and recuperated gas is treated in base station machine room
It can enter in the first pipeline, the interlayer between first pipeline and second pipe forms gas inlet pipe and gas therein leads to
Soil is crossed to be exchanged heat；Gas after heat exchange can export through second pipe to enter in base station machine room and base station machine room inside is carried out
Temperature adjustment.
The second pipe is prepared using heat-insulating material.
First lower end of duct connects with second pipe.
Blower fan is provided with first pipeline and/or second pipe.
The equipment being provided with base station machine room in several sealing cabinets and base station machine room is arranged in sealed cabinet body, described
Sealing cabinet connects with the first pipeline, second pipe respectively.
The second pipe outer wall is provided with turbulent device.
Second pipe can be also supported including the fixed support for being arranged on second pipe bottom and fixed support.
The ponding of the first pipeline bottom can also be arranged including the drainage arrangement being connected with the first pipeline bottom and drainage arrangement
Go out.
The drainage arrangement includes drainpipe, the water pump being connected with the first pipeline bottom, and the water side of the drainpipe is set
Put on the ground, and water pump is arranged on drainpipe one end.
Also include water level measurement device, control system, the water level measurement device sets the first pipeline bottom, the water level
Measure device, water pump are connected with control system respectively, and the water level measurement device can pass the water level information of the first pipeline bottom
Pass control system；When the water level of the first pipeline bottom attains to a high place setting value, control system starts water pump and drawn water；When
When the water level of first pipeline bottom reaches low level setting value, control system switches off the pump, and stops pumping.
For foregoing problems, this programme provides a kind of buried heat-exchanger rig of base station machine room based on air dielectric, on ground
Face sets the well that a depth is 10-100 rice, sets one group of sleeve pipe in well, sleeve pipe includes the first pipeline, second pipe and base station
Treat that recuperated gas can enter in the first pipeline in computer room, the interlayer between the first pipeline and second pipe forms and treats recuperated gas
Air inlet pipe and gas therein is exchanged heat by soil；Gas after heat exchange can export through second pipe to be entered in base station machine room
And temperature adjustment is carried out to base station machine room inside.Further, second pipe is prepared using heat-insulating material, the first pipeline and/
Or blower fan is provided with second pipe.
The operation principle of this programme is as follows：Blower fan will treat that recuperated gas is sent into the first pipeline in base station machine room, first
Interlayer between pipeline and second pipe forms and treats recuperated gas air inlet pipe, treat recuperated gas treat in recuperated gas air inlet pipe to
Soil during lower flowing with surrounding is exchanged heat, and gradually regulation is to 30 DEG C or so for temperature, the gas after being exchanged heat；Change
Gas after heat returns up inside of base station by second pipe（In the present invention, second pipe using heat-insulating material prepare and
Into）, and temperature adjustment is carried out to base station machine room internal unit.
The equipment being provided with base station machine room in several sealing cabinets and base station machine room is arranged in sealed cabinet body, is sealed
Cabinet connects with the first pipeline, second pipe respectively.Preferably, sealing cabinet is two, the battery in base station machine room is located at
In one sealing cabinet, the gas apparatus in base station machine room in addition to the battery is located in another sealing cabinet.Using which, energy
It is enough to concentrate on the gas after cooling on battery and related equipment, improve the effect of cooling.
Further, second pipe outer wall is provided with turbulent device.Pass through turbulent device, by increasing capacitance it is possible to increase high-temperature gas and soil
Heat-exchange time between environment, improve heat transfer effect.
Also include the fixed support for being arranged on second pipe bottom, fixed support can be supported to second pipe.Adopt
With which, inner tube can be ensured（That is second pipe）Position do not offset.
Influenceed by air pressure and temperature, the moisture in gas can be condensed into the globule and drop to the first pipeline bottom.Therefore,
The present invention sets the drainage arrangement being connected with the first pipeline bottom, the water that will can be condensed by drainage arrangement in the first pipeline bottom
Discharge.Further, drainage arrangement includes drainpipe, the water pump being connected with the first pipeline bottom；The water side of drainpipe is arranged on
On ground, the other end is connected with the first pipeline bottom；Water pump is arranged on drainpipe, and power is provided for drainpipe.In the structure,
Hot-air caused condensed water in hoistway cooling procedure will be provided with level measuring and automatic row in shaft bottom ponding, system
Water installations.In order to further reduce the energy consumption of water pump, present invention additionally comprises water level measurement device, control system.Water stage measurement fills
Put and be arranged in the first pipeline bottom, it can be measured to the water level of the first pipeline bottom；Wherein, water level measurement device,
Water pump is connected with control system respectively, and the water level information of the first pipeline bottom can be passed to control system by water level measurement device,
The control system then water level based on measure, is controlled to water pump；When the water level of the first pipeline bottom attains to a high place setting value,
Control system starts water pump and drawn water；When the water level of the first pipeline bottom reaches low level setting value, control system closes water
Pump, stop pumping.Using which, the normal operation of device had both been can guarantee that, has caused water pump to use variable frequency work again, had effectively been reduced
Pump energy consumption.
The ground energy heat exchange structure based on water source medium is different from, the present invention utilizes 20 DEG C of thermostatic characteristics of underground itself
As source, it is only necessary to using blower fan provide power, do not influenceed by region, time, itself energy consumption index and build into
Present aspect further increases practical performance and effect, has well adapting to property and application prospect, be worth large-scale promotion and
Using.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
The largest benefit of this programme is the thermostatic characteristics using subsurface 10-100 rice, by the change to air flow direction, from
And temperature adjustment is carried out to confined space on ground, compared to existing air-conditioning, this programme only need to be powered blower fan from
And circulating for natural wind is can be achieved with, so as to realize the temperature control in computer room between 25 ~ 30 DEG C；And the electricity consumed
Amount is obvious considerably less compared with air-conditioning, and the practice of construction of this programme is very simple, and uncomplicated；Especially in an area
For all base stations in domain, if being reduced to existing air conditioner refrigerating using this programme, the saving of optical quantum, the power consumption of summer
Less than 5%, so as to realize the purpose of energy-conservation.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is a kind of structural representation of embodiment；
Marked in figure：1st, the first pipeline, 2, second pipe, 3, base station machine room, 4, soil, 6, drainpipe, 7, water pump.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
As shown in figure 1, it is a kind of embodiment of the present invention, it is 10- to dig a depth on the ground outside base station machine room
100 meters of well.Further, the depth of well uses 10-100 rice, is because being maintained substantially to the temperature in this depth air
Between 20 ~ 25 DEG C.One group of sleeve pipe is set in well, and sleeve pipe includes the first pipeline, second pipe, and exchanging air is treated in base station machine room
Physical efficiency enters in the first pipeline, and the interlayer between the first pipeline and second pipe forms and treats recuperated gas air inlet pipe and gas therein
Body is exchanged heat by soil.Gas after heat exchange can export through second pipe to be entered in base station machine room, and in base station machine room
Portion carries out temperature adjustment.In the present embodiment, the first pipeline is prepared using metallic conduit, and second pipe uses heat-insulating material system
Standby to form, the first lower end of duct connects with second pipe.
Further, in the present embodiment, blower fan is provided with the first pipeline, exchanging air will be treated in base station machine room by blower fan
Body is sent into the first pipeline.
Further, two sealing cabinets are provided with the present embodiment, in base station machine room, the battery in base station machine room is located at it
In in a sealed cabinet body, the gas apparatus in base station machine room in addition to the battery is located in another sealed cabinet body.Using which,
Heat exchange efficiency can be improved.
Further, second pipe outer wall is provided with turbulent device., can by setting turbulent device in second pipe outer wall
The heat-exchange time being effectively increased between gas and soil, improve heat transfer effect.
Also include the fixed support for being arranged on second pipe bottom, fixed support can be supported to second pipe.Adopt
With which, it can ensure that the position of second pipe is not offset, keep integrally-built stability.
In the structure, sleeve pipe surrounding is filled by soil, that is to say, that the temperature of soil can directly pass through duct wall transmission
Into pipeline, but the gas in base station machine room is entered in the first pipeline by the first pipeline, between the first pipeline and second pipe
Interlayer form and treat recuperated gas air inlet pipe, gas carries out heat in recuperated gas air inlet pipe is treated with the soil in surrounding environment
Exchange, from top to bottom during be gradually cooled, the gas after being cooled down；Gas after cooling is again via heat-insulating material system
Standby second pipe is flowed into base station machine room.
Simultaneously, moreover it is possible to the device of the present invention is used for extremely frigid zones, outdoor temperature is or even low up to -20 generally below 0 DEG C
DEG C or so, and use the device of the present embodiment, using the teaching of the invention it is possible to provide the Tempeerature-constant air in 20 DEG C of ± 10 DEG C of interval ranges.
The present invention can guarantee that tube wall and soil have maximum contact area, and this scheme make it that installation and maintenance are very square
Just, it is Comparatively speaking small with the contact area of soil, good effect of heat exchange.Using embodiment of the present invention, compared to existing sky
Adjust,；The power consumption of summer is reduced to less than the 5% of existing air conditioner refrigerating, and maintenance is quite quick, is especially suitable for existing
Base station machine room is promoted.
Practical application test is carried out to the cooling device in embodiment, test result is as follows.
Air intake wind speed is 4m/s, air inflow 320m3During/h, when pipe is deep 22 meters, the temperature of outlet air is 25.35 DEG C,
It disclosure satisfy that inside of base station humidity and purity requirements.
In addition, applicants have found that, outlet air temperature increases and increased with flow velocity, and outlet air temperature is to flow velocity
Change increases and reduced with flow velocity, and in the case where meeting traffic requirement, design current velocity should be small as far as possible.In outlet air temperature
On the premise of degree meets indoor basic demand, the pipe range of sleeve pipe can be suitably reduced, so both there is higher economic value, again
The influence of hot short circuit can be mitigated.
In addition, when temperature is less than normal temperature, moisture in air can natural condensation into the globule, particularly in summer, when outer
Portion's temperature is higher, and during one low temperature of appearance, then the substantial amounts of globule just occurs at low temperature.In the present embodiment, air
In moisture can condense on tube wall, and be deposited on the first pipeline bottom.Therefore, in the present embodiment, in addition to the first pipeline
The connected drainage arrangement in bottom.The drainage arrangement includes drainpipe, water pump, the water stage measurement dress being connected with the first pipeline bottom
Put, control system, the water side of drainpipe is set on the ground, and the other end of drainpipe is connected with the first pipeline bottom, water pump
It is arranged on drainpipe.Water level measurement device set the first pipeline bottom, water level measurement device, water pump respectively with control system phase
Even.In the device work of the present invention, the water level information of the first pipeline bottom can be passed to control system by water level measurement device,
The control system then water level based on measure, is controlled to water pump；When the water level of the first pipeline bottom attains to a high place setting value,
Control system starts water pump and drawn water, and is discharged water by drainpipe；Surveyed when the water level of the first pipeline bottom reaches low level
During definite value, control system switches off the pump, and stops pumping.
In summary, about 30% ~ 60% it is air conditioning energy consumption in communication base station power consumption, power-saving technology focuses primarily upon at present
Two aspects of intelligent radio shut-off and air conditioner system energy saving of communication apparatus.Because the constant temperature energy in ground energy is fully utilized in the system
Temperature-compensating is carried out by closed loop cycle air supply mode, only with 30 ~ 100w of small power DC blower fan（600m3/h~1200m3/h）
Original 1.5 ~ 3kW air-conditioning systems, 100 ~ 300W are substituted completely（1200m3/h~3000m3/h）VMC so that in base station more
Integrated power-saving rate ＞ 35% economic benefit is obtained under excellent temperature-controlled conditions（By taking yuan/year of the monomer macro station electricity charge 30,000 as an example）, can be extremely
Less provide steel tower group base station without investment, it is non-maintaining under the conditions of 20% energy-saving efficiency.
The present invention by providing a kind of brand-new buried heat-exchanger rig of the base station machine room based on air dielectric, can with 5% with
Under power consumption accounting, play the effect for substituting original air-conditioning system completely.And the application be completely suitable for the whole nation it is all kinds of differently
Area, Different climate, available for popularizing in an all-round way, life-span and efficiency had higher application value up to more than 20 years, and significantly
Economic implications, effective energy-saving and emission-reduction effect can be played.
The invention is not limited in foregoing embodiment.The present invention, which expands to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. the buried heat-exchanger rig of a kind of base station machine room based on air dielectric, it is characterised in that one depth is set in underground
For 10 meters -100 meters of well, the well is interior to set one group of sleeve pipe, and described sleeve pipe includes the first pipeline, second pipe, base station machine room
Interior treats that recuperated gas can enter in the first pipeline, and the interlayer between first pipeline and second pipe forms gas inlet pipe
And gas therein is exchanged heat by soil；Gas after heat exchange can export through second pipe to be entered in base station machine room and to base
Stand and temperature adjustment is carried out inside computer room.
2. the buried heat-exchanger rig of base station machine room according to claim 1 based on air dielectric, it is characterised in that described
Two pipelines are prepared using heat-insulating material.
3. the buried heat-exchanger rig of base station machine room according to claim 1 based on air dielectric, it is characterised in that described
One lower end of duct connects with second pipe.
4. the buried heat-exchanger rig of base station machine room based on air dielectric, its feature exist according to claim any one of 1-3
In being provided with blower fan on first pipeline and/or second pipe.
5. the buried heat-exchanger rig of base station machine room based on air dielectric, its feature exist according to claim any one of 1-4
In the equipment being provided with base station machine room in several sealing cabinets and base station machine room is arranged in sealed cabinet body, the sealing
Cabinet connects with the first pipeline, second pipe respectively.
6. the buried heat-exchanger rig of base station machine room based on air dielectric, its feature exist according to claim any one of 1-5
In the second pipe outer wall is provided with turbulent device.
7. the buried heat-exchanger rig of base station machine room according to claim 1 based on air dielectric, it is characterised in that also include
It is arranged on the fixed support of second pipe bottom and fixed support can be supported to second pipe.
8. the buried heat-exchanger rig of base station machine room based on air dielectric, its feature exist according to claim any one of 1-7
In, in addition to drainage arrangement positioned at the first pipeline bottom and drainage arrangement can discharge the ponding of the first pipeline bottom.
9. the buried heat-exchanger rig of base station machine room according to claim 8 based on air dielectric, it is characterised in that the row
Water installations include drainpipe, the water pump being connected with the first pipeline bottom, and the water side of the drainpipe is set on the ground, and water
Pump is arranged on drainpipe one end.
10. the buried heat-exchanger rig of base station machine room according to claim 9 based on air dielectric, it is characterised in that also wrap
Water level measurement device, control system are included, the water level measurement device sets the first pipeline bottom, the water level measurement device, water
Pump is connected with control system respectively, and the water level measurement device can pass to the water level information of the first pipeline bottom control system
System；When the water level of the first pipeline bottom attains to a high place setting value, control system starts water pump and drawn water；When the first pipeline bottom
When the water level at end reaches low level setting value, control system switches off the pump, and stops pumping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711031573.0A CN107702251A (en) | 2017-10-30 | 2017-10-30 | A kind of buried heat-exchanger rig of base station machine room based on air dielectric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711031573.0A CN107702251A (en) | 2017-10-30 | 2017-10-30 | A kind of buried heat-exchanger rig of base station machine room based on air dielectric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107702251A true CN107702251A (en) | 2018-02-16 |
Family
ID=61176709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711031573.0A Pending CN107702251A (en) | 2017-10-30 | 2017-10-30 | A kind of buried heat-exchanger rig of base station machine room based on air dielectric |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2893506Y (en) * | 2006-04-14 | 2007-04-25 | 徐银平 | Ground temperature air conditioner |
| CN101588705A (en) * | 2008-05-23 | 2009-11-25 | 华为技术有限公司 | A kind of rack and machine-cabinet temperature controlling system |
| CN102519109A (en) * | 2011-11-25 | 2012-06-27 | 中兴通讯股份有限公司 | Heat dissipation ventilating device, heat dissipation ventilating system and machine room |
| CN205505144U (en) * | 2016-04-19 | 2016-08-24 | 济南国海能源科技有限公司 | Utilize high -efficient clean energy heating system of xeothermic rock heat energy |
| CN207395066U (en) * | 2017-10-30 | 2018-05-22 | 四川联衡能源发展有限公司 | A kind of buried heat-exchanger rig of base station machine room based on air dielectric |
-
2017
- 2017-10-30 CN CN201711031573.0A patent/CN107702251A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2893506Y (en) * | 2006-04-14 | 2007-04-25 | 徐银平 | Ground temperature air conditioner |
| CN101588705A (en) * | 2008-05-23 | 2009-11-25 | 华为技术有限公司 | A kind of rack and machine-cabinet temperature controlling system |
| CN102519109A (en) * | 2011-11-25 | 2012-06-27 | 中兴通讯股份有限公司 | Heat dissipation ventilating device, heat dissipation ventilating system and machine room |
| CN205505144U (en) * | 2016-04-19 | 2016-08-24 | 济南国海能源科技有限公司 | Utilize high -efficient clean energy heating system of xeothermic rock heat energy |
| CN207395066U (en) * | 2017-10-30 | 2018-05-22 | 四川联衡能源发展有限公司 | A kind of buried heat-exchanger rig of base station machine room based on air dielectric |
Non-Patent Citations (1)
| Title |
|---|
| 张建波, 重庆大学硕士学位论文, pages 197 - 204 * |
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