CN105135541A - Heat exchange method suitable for capacitor and electric reactor chambers - Google Patents
Heat exchange method suitable for capacitor and electric reactor chambers Download PDFInfo
- Publication number
- CN105135541A CN105135541A CN201510519213.XA CN201510519213A CN105135541A CN 105135541 A CN105135541 A CN 105135541A CN 201510519213 A CN201510519213 A CN 201510519213A CN 105135541 A CN105135541 A CN 105135541A
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- indoor
- outdoor
- heat
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- fan
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
-
- 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
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to a heat exchange method suitable for capacitor and electric reactor chambers. A double-loop heat exchange manner is adopted in the heat exchange method, and indoor heat exchange and outdoor heat exchange are separated. Indoor hot air enters an indoor heat exchange loop under the action of suction force of an indoor draught fan and is subjected to heat exchange with an evaporator, and then a phase-change material in the evaporator is vaporized and enters a condenser of an outdoor heat exchange loop; outdoor air enters the outdoor heat exchange loop under the action of suction force of an outdoor draught fan and is subjected to heat exchange with the vaporized phase-change material in the condenser, and then the phase-change material is liquefied and flows back into the evaporator; and circulation is carried out in this way, so that the purpose of indoor cooling is achieved. By means of the heat exchange method, efficient heat exchange with the indoor loop and the outdoor loop separated can be achieved, the purposes of energy conservation, noise reduction, heat dissipation and dust proofing are achieved, and a good field operation environment is provided for equipment in a station. The problems that the indoor temperature of existing electric capacitor and reactor chambers in a transformer substation is high, and the heat dissipating effect is poor are solved.
Description
Technical field
The present invention relates to the indoor temperature of transformer station's components and parts room higher time heat transfer technology, particularly capacitor chamber and the heat exchange of reactor room, specifically a kind of heat-exchange method being applicable to capacitor, reactor room.
Background technology
Current substation capacitors room, reactor room due to indoor comparatively closed, although use exhaust blower, radiating effect is undesirable, and when the apparatus is in operation, indoor temperature is higher, especially summer, and indoor temperature can reach 45 DEG C ~ 60 DEG C, is unfavorable for the normal operation of equipment.
Current affect heat-exchanger rig heat exchange property because have:
(1) filling amount and angle of inclination
Working media charging amount heat exchanging performance has considerable influence, and filling amount is not The more the better, and filling amount increases thickness of liquid film in pipeline greatly on the contrary, and evaporation intensity is declined, and thermal resistance increases, and heat-transfer effect reduces; The angle of inclination of evaporation, condenser affects the thickness of liquid film of working media, the evaporation of working media and backflow too, thus affects heat transfer effect.
(2) air mass flow of indoor, outside
Air mass flow increases, and the convection transfer rate of heat pipe outer air increases, thus increases indoor and outdoor heat exchange amount.
(3) physical property of working media
Along with the pressure of working media raises, vapour density increases, and steam flow rate reduces relatively, weakens the disturbance of liquid film, and thickness of liquid film increase can make the coefficient of heat transfer reduce.At the working temperature (about 45 DEG C), the operating pressure of R134a is relatively low, and be a kind of middle temperature cold-producing medium be widely used, boiling point is-26.26 DEG C, and security is very high, does not also have destruction to atmospheric ozone layer.
If adopt air conditioner refrigerating cooling, need to adopt compressor, compressed refrigerant (such as freon) liquefy, then utilization liquid state becomes endothermic thermal event refrigeration during gaseous state at ambient pressure.Under capacitor chamber and the extra high situation of reactor room operating temperature, adopt air conditioner refrigerating, compressor power consumption is very large, and power consumption is high especially.
Summary of the invention
The object of this invention is to provide a kind of heat-exchange method being applicable to capacitor, reactor room, heat-exchange method of the present invention can realize inner-outer circulation high efficient heat exchanging spaced apart from each other, make full use of environment cools technology, partition wall dispels the heat, and energy Real-Time Monitoring, reach energy-conservation, noise reduction, heat radiation, dust-proof object, make station equipment have a good on-the-spot running environment.In order to solve current substation capacitors, reactor room indoor temperature high, the problem of temperature sink weak effect.
For achieving the above object, the solution of the present invention is: a kind of heat-exchange method being applicable to capacitor, reactor room, described heat-exchange method adopts double loop heat exchange mode, indoor heat exchanger loop and outdoor heat exchange loop are spaced from each other, indoor heat exchanger loop arranges indoor fan, evaporimeter and the first connecting pipeline, outdoor heat exchange loop arranges outdoor fan, condenser and the second connecting pipeline, first connecting pipeline is communicated with the upper end of evaporimeter and condenser, and the second connecting pipeline is communicated with the lower end of evaporimeter and condenser;
Described heat-exchange method comprises the steps:
(1) open and be positioned at indoor indoor fan and be positioned at outdoor outdoor fan, in opening chamber, outdoor thermal cycle;
(2) Indoor Thermal air is under the suction force effect of indoor fan, enter indoor heat exchanger loop, with the phase change medium heat-shift in evaporimeter, after making described phase change medium intensification vaporization, flowed into by the first connecting pipe in the condenser tubes of outdoor loop, and cooled Indoor Thermal air is discharged to indoor;
(3) outdoor air is under the suction force effect of outdoor fan, enter outdoor heat exchange loop, with the phase change medium heat-shift of vaporizing in condenser, take away the latent heat of described phase change medium, make the phase change medium cooling liquefaction in condenser, and again flow back in evaporimeter by the second connecting pipe, and the outdoor air after heat absorption is discharged to outdoor again;
(4) by the continuous circulation of step (2) with (3), the object to capacitor chamber and the cooling of reactor room is realized.
Capacitor is applicable to according to of the present invention, the heat-exchange method of reactor room, described heat-exchange method arranges indoor temperature detection device, outdoor temperature checkout gear and controller of fan, described indoor temperature detection device and outdoor temperature checkout gear real-time sensing chamber internal and external temperature, and send to controller of fan, described controller of fan is according to described indoor and outdoor temperature signal, counting chamber internal-external temperature difference, when judging that indoor/outdoor temperature-difference reaches more than 15 DEG C, controller of fan sends control signal, automatic control room inner blower and outdoor fan start, start indoor and outdoor thermal cycle.
According to the heat-exchange method being applicable to capacitor, reactor room of the present invention, described outdoor temperature checkout gear and indoor temperature detection device are temperature sensor.
According to the heat-exchange method being applicable to capacitor, reactor room of the present invention, described heat-exchange method also arranges display at the output of indoor temperature detection device, outdoor temperature checkout gear and controller of fan, is convenient to monitor indoor and outdoor temperature situation.
Capacitor is applicable to according to of the present invention, the heat-exchange method of reactor room, described indoor fan, in evaporimeter and the first connecting pipe loop housing all disposed in the interior, described outdoor fan, in evaporimeter and the second connecting pipe loop housing all disposed in the outdoor, described indoor loop housing arranges indoor air inlet and indoor air outlet, described outdoor loop housing arranges outdoor air inlet and outdoor air outlet, entering and discharging of Indoor Thermal air realizes respectively by indoor air inlet and indoor air outlet, entering and discharging of outdoor air realizes respectively by outdoor air inlet and outdoor air outlet.
According to the heat-exchange method being applicable to capacitor, reactor room of the present invention, described phase-change material is R134a condensing agent.
The present invention also provides one to be applicable to capacitor, the heat-exchanger rig of reactor room, described heat-exchanger rig is double loop heat pipe, described double loop heat pipe comprises indoor heat exchanger loop spaced apart from each other and outdoor heat exchange loop, described indoor heat exchanger loop comprises indoor loop housing, be positioned at the indoor fan of indoor loop housing, evaporimeter and the first connecting pipe, described outdoor heat exchange loop comprises outdoor loop housing, be positioned at the outdoor fan of outdoor loop housing, condenser and the second connecting pipe, all phase change medium is housed in the pipeline of described evaporimeter and condenser,
The first described connecting pipe is positioned at the top of evaporimeter, the head end of described first connecting pipe is communicated with upper end of evaporator, the described tail end of the first connecting pipe is communicated with the upper end of condenser, described second connecting pipe is positioned at the below of condenser, the described head end of the second connecting pipe is communicated with the lower end of condenser, the described tail end of the second connecting pipe is communicated with the lower end of evaporimeter, described indoor loop housing side is provided with indoor air inlet and indoor air outlet, and the side of described outdoor loop housing is provided with outdoor air inlet and outdoor air outlet.
Further, described double loop heat pipe also comprises indoor temperature detection device, outdoor temperature checkout gear and controller of fan, the equal connecting fan controller of signal output part of described indoor temperature detection device and outdoor temperature checkout gear, the signal output part control connection indoor fan of described controller of fan and outdoor fan, described controller of fan is according to indoor/outdoor temperature-difference, send control signal, control room inner blower and outdoor fan start.
Further, described outdoor temperature checkout gear and indoor temperature detection device are temperature sensor.
Further, described heat-exchanger rig comprises display, and the output of described outdoor temperature checkout gear, indoor temperature detection device and controller of fan all connects display, is convenient to monitor indoor and outdoor temperature situation.
The beneficial effect that the present invention reaches:
(1) double loop heat exchange of heat pipe of the present invention, need compressor unlike existing air-conditioning, therefore energy consumption is little, institute's power consumption is only the power consumption of indoor and outdoor two blower fan in the course of the work, be less than 900W, when indoor/outdoor temperature-difference is more than 20 DEG C, Energy Efficiency Ratio can reach 9.0.
(2) outdoor and indoor circulation separate by heat exchanger of the present invention completely, for affecting the relative humidity of working environment during transformer station, also can not bring outdoor dust into indoor, thus improve security.
(3) heat exchange rack of the present invention is installed by wall, thickness is little, outdoor noise is low, in conditioning in Transition Season and winter, and relative air-conditioning, this heat exchanger significantly can reduce power consumption, and security is high, the installation of this device, by improving capacitor chamber, situation that reactor indoor temperature is higher, improves the operating condition of indoor equipment greatly, for the safe and stable operation of power equipment provides safeguard, tool has very great significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of heat-exchanger rig of the present invention.
In figure, 1 is indoor fan, and 2 is outdoor fan, and 3 is evaporimeter, and 4 is condenser, and 5 is the first connecting pipe, and 6 is the second connecting pipe, and 7 is indoor air inlet, and 8 is indoor air outlet, and 9 is outdoor air inlet, and 10 is outdoor air outlet, and 11 is dividing plate.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further detailed explanation.
For current substation capacitors, reactor room radiating effect is poor, indoor temperature is high present situation, the invention provides a kind of heat-exchange method for capacitor chamber and reactor room and device, heat-exchanger rig of the present invention adopts double loop heat pipe heat exchanging, do not need compressor, indoor and outdoor circulation is spaced from each other, realize high efficient heat exchanging, this heat-exchanger rig makes full use of environment cools technology, partition wall dispels the heat, and energy Real-Time Monitoring, reach energy-conservation, noise reduction, heat radiation, dust-proof object, make station equipment have a good on-the-spot running environment.
As shown in Figure 1, heat-exchanger rig of the present invention is double loop heat pipe, the described double loop heat pipe room of comprising is installed on the indoor heat exchanger loop of indoor and is installed on the outdoor heat exchange loop of outside, and indoor heat exchanger loop and outdoor heat exchange loop separate completely, the relative humidity of working environment can not be affected, also can not bring outdoor dust into indoor, thus improve security.
Described indoor heat exchanger loop comprises indoor loop housing, and be positioned at the indoor fan 1 of indoor loop housing, evaporimeter 3 and the first connecting pipe 5, described outdoor heat exchange loop comprises outdoor loop housing, and be positioned at the outdoor fan 2 of outdoor loop housing, condenser 4 and the second connecting pipe 6, in the pipeline of described evaporimeter 3 and condenser 4, phase change medium R134a is all housed, the side of described indoor loop housing arranges indoor air inlet 7 and indoor air outlet 8, the side of described outdoor loop housing is provided with outdoor air inlet 9 and outdoor air outlet 10.
Described evaporimeter 3 is positioned at the bottom of indoor loop housing, the first described connecting pipe 5 is positioned at the top of evaporimeter 3, described condenser 4 is positioned at the top of outdoor loop housing, the second described connecting pipe 6 is positioned at the below of condenser 4, the head end of described first connecting pipe 5 is communicated with the upper end of evaporimeter 3, the tail end of described first connecting pipe 5 is communicated with the upper end of condenser 4, described second connecting pipe 6 is positioned at the below of condenser 4, the head end of described second connecting pipe 6 is communicated with the lower end of condenser 4, the tail end of described second connecting pipe 6 is communicated with the lower end of evaporimeter 3.
Described double loop heat pipe also comprises indoor temperature detection device, outdoor temperature checkout gear, controller of fan and display, the equal connecting fan controller of signal output part of described indoor temperature detection device and outdoor temperature checkout gear, described indoor temperature detection device and outdoor temperature checkout gear are used for real-time sensing chamber internal and external temperature, and the indoor and outdoor temperature signal detected is sent to controller of fan, and send to display to show, the signal output part control connection indoor fan 1 of described controller of fan and outdoor fan 2.The described outdoor temperature checkout gear that the present embodiment adopts and indoor temperature detection device are temperature sensor.By the effect of display, be convenient to Real-Time Monitoring indoor and outdoor surroundings temperature.
Heat-exchanger rig of the present invention is when carrying out heat exchange work, indoor temperature is detected in real time by indoor temperature transmitter, outdoor temperature sensor detects outdoor temperature in real time, and indoor temperature signal, outdoor temperature signal are sent to controller of fan in real time, described controller of fan is according to described indoor and outdoor temperature signal, counting chamber internal-external temperature difference, and send to display to show, when indoor/outdoor temperature-difference reaches more than 15 DEG C, controller of fan sends control signal, control room inner blower 1 and outdoor fan 2 start, and start indoor and outdoor thermal cycle.
Indoor Thermal air is under the effect of indoor fan 1 suction force, indoor loop housing is entered by indoor air inlet 7, with the phase change medium heat-shift in evaporimeter 3, make phase change medium be heated heat up vaporization after, flow in condenser 4 pipeline of outdoor loop housing by the first connecting pipe 5, and the Indoor Thermal air of cooling is discharged to indoor by indoor air outlet 8, makes indoor temperature reduce.
Outdoor air is under the effect of outdoor fan 2 suction force, enter in outdoor loop housing by the outdoor air inlet 9 of outdoor loop housing, and phase change medium heat-shift of vaporizing interior with condenser 4, take away the latent heat of phase change medium, phase change medium in condenser 4 is lowered the temperature, be condensed into liquid, condensed phase change medium is under the condenser 4 potential difference effect with evaporimeter 3, again be back in evaporimeter 3 by the second connecting pipe 6, and the outdoor air outlet 10 of the outdoor air loop housing outdoor heated up is expelled to outdoor.
Circulation like this, under indoor/outdoor temperature-difference effect, by means of the phase change medium in closing pipe line, repeatedly undergoes phase transition and carries out heat transmission, realizes exchange heat that is indoor and outdoor, reduces indoor temperature.And, open with outdoor thermal cycle is completely isolated due to indoor, can not outdoor dust be brought into indoor, improve security.
Double loop heat exchange of heat pipe of the present invention, energy consumption is little, and institute's power consumption is only the power consumption of indoor and outdoor two blower fan in the course of the work, is less than 900W, and when indoor/outdoor temperature-difference is more than 20 DEG C, Energy Efficiency Ratio can reach 9.0.Heat exchange rack of the present invention is installed by wall, thickness is little, outdoor noise is low, in conditioning in Transition Season and winter, and relative air-conditioning, this heat exchanger significantly can reduce power consumption, and security is high, the installation of this device, by improving capacitor chamber, situation that reactor indoor temperature is higher, improves the operating condition of indoor equipment greatly, for the safe and stable operation of power equipment provides safeguard, tool has very great significance.
Claims (6)
1. one kind is applicable to the heat-exchange method of capacitor, reactor room, it is characterized in that: described heat-exchange method adopts double loop heat exchange mode, indoor heat exchanger loop and outdoor heat exchange loop are spaced from each other, indoor heat exchanger loop arranges indoor fan, evaporimeter and the first connecting pipeline, outdoor heat exchange loop arranges outdoor fan, condenser and the second connecting pipeline, first connecting pipeline is communicated with the upper end of evaporimeter and condenser, and the second connecting pipeline is communicated with the lower end of evaporimeter and condenser;
Described heat-exchange method comprises the steps:
(1) open and be positioned at indoor indoor fan and be positioned at outdoor outdoor fan, in opening chamber, outdoor thermal cycle;
(2) Indoor Thermal air is under the suction force effect of indoor fan, enter indoor heat exchanger loop, with the phase change medium heat-shift in evaporimeter, after making described phase change medium intensification vaporization, flowed into by the first connecting pipe in the condenser tubes of outdoor loop, and cooled Indoor Thermal air is discharged to indoor;
(3) outdoor air is under the suction force effect of outdoor fan, enter outdoor heat exchange loop, with the phase change medium heat-shift of vaporizing in condenser, take away the latent heat of described phase change medium, make the phase change medium cooling liquefaction in condenser, and again flow back in evaporimeter by the second connecting pipe, and the outdoor air after heat absorption is discharged to outdoor again;
(4) by the continuous circulation of step (2) with (3), the object to capacitor chamber and the cooling of reactor room is realized.
2. be according to claim 1ly applicable to capacitor, the heat-exchange method of reactor room, it is characterized in that, described heat-exchange method arranges indoor temperature detection device, outdoor temperature checkout gear and controller of fan, described indoor temperature detection device and outdoor temperature checkout gear real-time sensing chamber internal and external temperature, and send to controller of fan, described controller of fan is according to described indoor and outdoor temperature signal, counting chamber internal-external temperature difference, when judging that indoor/outdoor temperature-difference reaches more than 15 DEG C, controller of fan sends control signal, automatic control room inner blower and outdoor fan start, start indoor and outdoor thermal cycle.
3. the heat-exchange method being applicable to capacitor, reactor room according to claim 2, is characterized in that, described outdoor temperature checkout gear and indoor temperature detection device are temperature sensor.
4. the heat-exchange method being applicable to capacitor, reactor room according to claim 3, it is characterized in that, described heat-exchange method also arranges display at the output of indoor temperature detection device, outdoor temperature checkout gear and controller of fan, is convenient to monitor indoor and outdoor temperature situation.
5. be according to claim 1ly applicable to capacitor, the heat-exchange method of reactor room, it is characterized in that, described indoor fan, in evaporimeter and the first connecting pipe loop housing all disposed in the interior, described outdoor fan, in evaporimeter and the second connecting pipe loop housing all disposed in the outdoor, described indoor loop housing arranges indoor air inlet and indoor air outlet, described outdoor loop housing arranges outdoor air inlet and outdoor air outlet, entering and discharging of Indoor Thermal air realizes respectively by indoor air inlet and indoor air outlet, entering and discharging of outdoor air realizes respectively by outdoor air inlet and outdoor air outlet.
6. the heat-exchange method being applicable to capacitor, reactor room according to claim 1, is characterized in that, described phase-change material is R134a condensing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519213.XA CN105135541A (en) | 2015-08-21 | 2015-08-21 | Heat exchange method suitable for capacitor and electric reactor chambers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519213.XA CN105135541A (en) | 2015-08-21 | 2015-08-21 | Heat exchange method suitable for capacitor and electric reactor chambers |
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| CN105135541A true CN105135541A (en) | 2015-12-09 |
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| CN201510519213.XA Pending CN105135541A (en) | 2015-08-21 | 2015-08-21 | Heat exchange method suitable for capacitor and electric reactor chambers |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682426A (en) * | 2016-03-21 | 2016-06-15 | 何祉欣 | Heat-exchanging apparatus suitable for communication base station machine cabinet |
| CN105813437A (en) * | 2016-03-21 | 2016-07-27 | 何祉欣 | Sealed electric control cabinet heat exchange device for precision machine tool |
| CN113091155A (en) * | 2020-10-14 | 2021-07-09 | 浙江都美电力科技有限公司 | Integrated environment regulation and control method |
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| DE3938875A1 (en) * | 1989-11-24 | 1991-05-29 | Behr Gmbh & Co | Mobile air conditioner stores energy in phase-change - medium for subsequent usage in heating water supply |
| CN2210347Y (en) * | 1993-11-12 | 1995-10-18 | 合肥工业大学 | Device for air fresh and temp. adjustment |
| JPH10178736A (en) * | 1996-12-20 | 1998-06-30 | Mitsubishi Electric Corp | Protective device for air conditioner |
| CN1190719A (en) * | 1997-02-11 | 1998-08-19 | 三星电子株式会社 | Integral air conditioner |
| CN1715792A (en) * | 2004-06-14 | 2006-01-04 | Lg电子株式会社 | Air conditioner |
| CN201110604Y (en) * | 2007-09-18 | 2008-09-03 | 阿尔西制冷工程技术（北京）有限公司 | Energy-saving air conditioning equipment |
| CN202329317U (en) * | 2011-11-14 | 2012-07-11 | 丹腾空气系统(苏州)有限公司 | Split type heat pipe heat exchanger |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3238333A1 (en) * | 1982-10-15 | 1984-04-19 | Hada Ltd., St. Helier, Jersey | Heating and cooling device and method |
| DE3938875A1 (en) * | 1989-11-24 | 1991-05-29 | Behr Gmbh & Co | Mobile air conditioner stores energy in phase-change - medium for subsequent usage in heating water supply |
| CN2210347Y (en) * | 1993-11-12 | 1995-10-18 | 合肥工业大学 | Device for air fresh and temp. adjustment |
| JPH10178736A (en) * | 1996-12-20 | 1998-06-30 | Mitsubishi Electric Corp | Protective device for air conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682426A (en) * | 2016-03-21 | 2016-06-15 | 何祉欣 | Heat-exchanging apparatus suitable for communication base station machine cabinet |
| CN105813437A (en) * | 2016-03-21 | 2016-07-27 | 何祉欣 | Sealed electric control cabinet heat exchange device for precision machine tool |
| CN105682426B (en) * | 2016-03-21 | 2018-04-13 | 何祉欣 | A kind of heat-exchanger rig suitable for communication base station cabinet |
| CN113091155A (en) * | 2020-10-14 | 2021-07-09 | 浙江都美电力科技有限公司 | Integrated environment regulation and control method |
| CN113091155B (en) * | 2020-10-14 | 2022-03-18 | 浙江都美电力科技有限公司 | Integrated environment regulation and control method |
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Application publication date: 20151209 |