CN105788806A - Intelligent temperature-modulated dry-type transformer - Google Patents
Intelligent temperature-modulated dry-type transformer Download PDFInfo
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- CN105788806A CN105788806A CN201510849422.0A CN201510849422A CN105788806A CN 105788806 A CN105788806 A CN 105788806A CN 201510849422 A CN201510849422 A CN 201510849422A CN 105788806 A CN105788806 A CN 105788806A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 33
- 230000017525 heat dissipation Effects 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000036760 body temperature Effects 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The invention relates to an intelligent temperature-modulated dry-type transformer, and belongs to the field of dry-type transformers. The intelligent temperature-modulated dry-type transformer comprises a shell, a dry-type transformer, a heat exchanger and a geothermal device, wherein the dry-type transformer is arranged in the shell; the heat exchanger is arranged in the shell; the geothermal device is buried into the soil which is 3-5m deep from the ground; the geothermal device obtains geothermal heat and transfers the geothermal heat to the dry-type transformer through the heat exchanger; the heat exchanger comprises a heat exchange tube, a jet head and a blast blower; the heat exchange tube comprises a cooling cavity, a radiating cavity and a heating cavity; the blast blower is connected to one end of the radiating cavity through a pipe; the other end of the radiating cavity is connected with the jet head through the pipe; the jet head is opposite to the dry-type transformer; one end of the cooling cavity is connected with a water tank through a heat exchange water pump and the other end is connected with the water tank through a filter; an electric heater is arranged in the heating cavity; and an MCU for controlling the geothermal device and the heat exchanger is also arranged on the shell. The intelligent temperature-modulated dry-type transformer is simple in structure and convenient to use and produce; the production efficiency of equipment can be effectively improved; and the design of the heater can be used for refrigerating of the heat exchanger.
Description
Technical field
The present invention relates to a kind of intelligent thermoregulating formula dry-type transformer, belong to dry-type transformer field.
Background technology
Dry-type transformer is widely used in the places such as local lighting, skyscraper, airport, harbour CNC plant equipment, and briefly dry-type transformer refers to iron core and winding is not immersed in the dry-type transformer in insulating oil.The type of cooling is divided into natural air cooling and forces air to cool down, and during natural air cooling, dry-type transformer can long-term under rated capacity run continuously.During forced air cooling, dry-type transformer output capacity can improve 50%.It is applicable to interrupted running overload, or emergent accident running overload；Owing to during overload, load loss and impedance voltage amplification are relatively big, it is in non-economy running status, therefore should not be at long-time running overload continuously.Safety, fire prevention, pollution-free, can directly run on load center；Using domestic advanced technology, mechanical strength is high, and anti-short circuit capability is strong, and shelf depreciation is little, Heat stability is good, and reliability is high；
Below ground is little due to the irradiance by Yanguan Pass, temperature change is inconspicuous, therefore, make full use of the air through soil intensification or cooling and dry-type transformer is carried out temperature control, can effectively prevent dry-type transformer temperature the lowest and reduce the life-span of dry-type transformer, moreover it is possible to prevent the highest normal use affecting dry-type transformer of temperature of dry-type transformer.
Summary of the invention
It is an object of the invention to: for the problem of above-mentioned existence, a kind of intelligent thermoregulating formula dry-type transformer is provided, by geothermal device by the heat absorption at the bottom of ground, then take, through water circulation system, the heat that geothermal device absorbs to earth's surface, then heat is exchanged through the heat of air and water, heat is taken out of and is used for dry-type transformer is heated, this device can effectively improve the use temperature of dry-type transformer, temperature in equilibrium night and daytime dry-type transformer housing, it is ensured that dry-type transformer working temperature constant.The heat exchanger of this device, can effectively improve heat exchange efficiency, and this device be designed to effectively utilize each position of device, its simple in construction, use and convenient for production, can be effectively improved be the production efficiency of equipment, its heater be designed to heat exchanger refrigeration.
The technical solution used in the present invention is as follows:
The invention discloses a kind of intelligent thermoregulating formula dry-type transformer, the geothermal device in the dry-type transformer including housing, being located in housing, the heat exchanger being located in housing, overhead deep for 3-5m soil；Geothermal device obtains underground heat and through heat exchanger, underground heat is passed to dry-type transformer；Heat exchanger includes heat exchanger tube, jet thrust, air blast, and heat exchanger tube includes cooling chamber, heat dissipation cavity, heating chamber, and air blast connects one end of heat dissipation cavity by pipeline, and the other end of heat dissipation cavity connects jet thrust by pipeline, and this head that sprays paint is relative with dry-type transformer；One end of cooling chamber connects water tank by heat exchange water pump, the other end connects water tank by filter；It is provided with electric heater in described heating chamber；Housing is additionally provided with the MCU for controlling geothermal device and heat exchanger.
Further, cooling chamber is decussate texture, and heating chamber is located at the pair of horns outside cooling chamber decussate texture, and heat dissipation cavity is located at another diagonal angle of cooling chamber decussate texture.
Further, the winding of described spray public attention alignment dry-type transformer, the maximum air output of this spray public attention is 4 m/min；Distance between spray public attention and winding is 0.3-0.5m.
Further, geothermal device includes water tank, water circulating pump, heat exchange water pump and underground heat pipe network, and water tank connects underground heat pipe network by water circulating pump, and underground heat pipe network is absorbed underground heat and is linked back water tank by pipeline.
Due to said structure, by geothermal device by the heat absorption at the bottom of ground, then take, through water circulation system, the heat that geothermal device absorbs to earth's surface, then heat is exchanged through the heat of air and water, heat is taken out of and is used for dry-type transformer is heated, this device can effectively improve the use temperature of dry-type transformer, the temperature in equilibrium night and daytime dry-type transformer housing, it is ensured that dry-type transformer working temperature constant.The heat exchanger of this device, can effectively improve heat exchange efficiency, and this device be designed to effectively utilize each position of device, its simple in construction, use and convenient for production, can be effectively improved is the production efficiency of equipment, the heat exchanger that is designed to of its heater freezes, the interior medium that can effectively prevent equipment freezes, the winter resistance of raising equipment, heat-conducting medium in heating chamber can effectively prevent from transmitting heat, the shape in adaptation heating chamber that simultaneously can be good, do not using can solidifying in time of heater, effectively prevent electric heater electrical leakage, harm personal safety, the situation that the medium in cooling tube overflows can also be prevented simultaneously, effectively extend the service life of heat exchanger.The design of the heat exchanger that this heat exchanger passes through increases handling capacity, improves the flow in heat exchanger, and the miniaturization having taken into account heat exchange efficiency and turnover efficiency, beneficially heat exchanger produces and uses.
According to the intelligent thermoregulating formula dry-type transformer described in any one of claim 1-4, it is characterised in that its intelligent control method:
Step 1: water circulating pump extracts the water in water tank with the speed of 0.3m/min, and water flows through underground heat pipe network and absorbs underground heat, and the water after absorbing underground heat is transmitted back in water tank；
Temperature in step 2:MCU detection housing and in water tank, when the temperature difference in housing and water tank is not less than 4 DEG C, heat exchange water pump extracts the water in water tank with the speed of 0.2m/min, and makes water circulate between water tank and cooling chamber；
Step 3: when cooling chamber exit is more than 10 DEG C with the temperature difference in water tank, the flow that MCU regulates in this cooling chamber by controlling the magnetic valve of cooling chamber porch is less than 0.05m/min；When cooling chamber exit is 6-10 DEG C with the temperature difference in water tank, the flow that MCU controls in cooling chamber is 0.08m/min；When cooling chamber exit is less than 6 DEG C with the temperature difference in water tank, the flow that MCU controls in cooling chamber is 0.12m/min；
Step 4:MCU controls air blast and starts, and air-flow is through heat dissipation cavity and absorbs the heat in cooling chamber, then through spray public attention ejection；
Step 5: when heat dissipation cavity exit is more than 5 DEG C with the temperature difference in housing, MCU controls spray public attention and sprays air-flow with the speed of 0.6 m/min；When heat dissipation cavity exit is 2-5 DEG C with the temperature difference in housing, MCU controls spray public attention and sprays air-flow with the speed of 1m/min, and electric heater output general power is 300W；When heat dissipation cavity exit is less than 2 DEG C with the temperature difference in housing, MCU controls spray public attention and sprays air-flow with the speed of 1.5m/min, and electric heater output general power is more than 600W；
Step 6: when the water temperature when shell body temperature is less than 3 DEG C and in water tank is less than 5 DEG C, MCU controls electric heater and heats, and its electric heater output general power is no more than 650W；When water temperature when shell body temperature is less than 0 DEG C and in water tank is less than 1 DEG C, electric heater output general power is more than 800W.
Owing to have employed said method, by setting the setting value of MCU, it is respectively directed to different temperature conditions heat exchangers and geothermal device is controlled, ensure that heat exchanger and geothermal device can effectively use, intelligent and the service life of raising equipment, different phase for heat at the bottom of ground, geothermal device can be according to the difference of heat, control respectively, ensure that the normal use of equipment, geothermal device can effectively absorb heat or the cold energy at the end, ground, during hot environment, dry-type transformer equipment is lowered the temperature, when low temperature environment, dry-type transformer equipment is heated up, ensure the operating temperature equilibrium of dry-type transformer.The heat exchanger tube of heat exchanger carries out temperature control and flow-control, improve the efficiency of heat exchange, avoid the waste of resource, avoid equipment local temperature difference excessive and reduce the service life of equipment, ensure that effective utilization of equipment, this controller is carried out Based Intelligent Control, it is possible to the effective heat exchange efficiency improving this heat transmission equipment.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, this apparatus structure is simple, use and easy for installation, it is possible to makes full use of underground heat and is controlled the temperature of dry-type transformer, reduces the day and night temperature impact on the dry-type transformer life-span.
2, this device can not only absorb the heat energy at the end, ground, the cold energy at the end, ground can also be absorbed, can effectively equalize the use temperature of dry-type transformer, it is ensured that the normal use of dry-type transformer, improve dry-type transformer range and improve the transformation scope of dry-type transformer.
3, this geothermal device, simple in construction is effective, it is possible to the effective heat absorbing the end, ground is cold or cold energy, effectively reduces the installation of equipment and uses difficulty, and its range is wide, it is possible to the effective heat absorbing the end, ground is for the cooling of equipment or intensification.
4, the structure of heat exchanger is improved, it is possible to effectively improve heat exchange efficiency, and this device be designed to effectively utilize each position of device, it is possible to effectively prevent the waste of heat exchanger cavity, it is possible to increase the flow 10-20% of turnover heat exchanger.
Accompanying drawing explanation
Fig. 1 is intelligent thermoregulating formula dry type transformer structure figure in the present invention；
Fig. 2 is heat exchanger structure figure in the present invention；
Figure marks: 1-radiating tube, 2-cooling tube, 3-cooling chamber, 4-heat dissipation cavity, 5-heats chamber, 6-heat exchanger, 7-housing, 8-dry-type transformer, 9-geothermal device.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Specific embodiment 1:
As illustrated in fig. 1 and 2, the present invention the invention discloses a kind of intelligent thermoregulating formula dry-type transformer, the geothermal device 9 in the dry-type transformer 8 including housing 7, being located in housing 7, the heat exchanger 6 being located in housing 7, overhead deep for 2.5-6m soil；Geothermal device 9 obtains underground heat and through heat exchanger 6, underground heat is passed to dry-type transformer 8.Geothermal device 9 includes water tank, water circulating pump, heat exchange water pump and underground heat pipe network, and water tank connects underground heat pipe network by water circulating pump, and underground heat pipe network is absorbed underground heat and is linked back water tank by pipeline.Heat exchanger 6 includes heat exchanger tube, jet thrust, air blast, and heat exchanger tube includes cooling chamber 3 and heat dissipation cavity 4, and air blast connects one end of heat dissipation cavity 4 by pipeline, and the other end of heat dissipation cavity 4 connects jet thrust by pipeline, and this head that sprays paint is relative with dry-type transformer 8；One end of cooling chamber 3 connects water tank by heat exchange water pump, the other end connects water tank by filter.Heat exchanger tube also includes heating chamber 5, and cooling chamber 3 is decussate texture, and heating chamber 5 is located at the pair of horns outside cooling chamber 3 decussate texture, and heat dissipation cavity 4 is located at another diagonal angle of cooling chamber 3 decussate texture, heat dissipation cavity 4；Heating is provided with electric heater in chamber 5.Electric heater includes heating wire, insulating heat-conductive pipe, and heating wire is placed in insulating heat-conductive pipe；It is provided with, between madial wall and the insulating heat-conductive pipe in heating chamber 5, the heat-conducting medium that fusing point is 25-75 DEG C.Corrosion resistant graphite linings it is provided with on the madial wall of cooling chamber 3；The inner side of graphite linings is provided with meniscate projection, and the opening of this projection, towards the import of cooling chamber 3, is provided with the concave surface for forming local torrent in this meniscate projection.The winding of spray public attention alignment dry-type transformer 8, the maximum air output of this spray public attention is 4 m/min；Distance between spray public attention and winding is 0.3-0.5m；The MCU for controlling geothermal device and heat exchanger it is provided with on housing.
Due to said structure, by geothermal device 9 by the heat absorption at the bottom of ground, then take, through water circulation system, the heat that geothermal device 9 absorbs to earth's surface, then heat is exchanged through the heat of air and water, heat is taken out of and is used for dry-type transformer 8 is heated, this device can effectively improve the use temperature of dry-type transformer 8, the temperature in equilibrium night and dry-type transformer on daytime 8 housing 7, it is ensured that dry-type transformer 8 working temperature constant.The heat exchanger 6 of this device, can effectively improve heat exchange efficiency, and this device be designed to effectively utilize each position of device, its simple in construction, use and convenient for production, can be effectively improved is the production efficiency of equipment, the heat exchanger 6 that is designed to of its heater freezes, the interior medium that can effectively prevent equipment freezes, the winter resistance of raising equipment, heat-conducting medium in heating chamber 5 can effectively prevent from transmitting heat, the shape in adaptation heating chamber 5 that simultaneously can be good, do not using can solidifying in time of heater, effectively prevent electric heater electrical leakage, harm personal safety, the situation that the medium in cooling tube overflows can also be prevented simultaneously, effectively extend the service life of heat exchanger 6.The design of the heat exchanger 6 that this heat exchanger 6 passes through increases handling capacity, improves the flow in heat exchanger 6, and the miniaturization having taken into account heat exchange efficiency and turnover efficiency, beneficially heat exchanger 6 produces and uses.
Specific embodiment 2:
The intelligence control system of the intelligent thermoregulating formula dry-type transformer according to specific embodiment 1, its intelligent control method:
Step 1: water circulating pump extracts the water in water tank with the speed of 0.3m/min, and water flows through underground heat pipe network and absorbs underground heat, and the water after absorbing underground heat is transmitted back in water tank；
Temperature in step 2:MCU detection housing 7 and in water tank, when the temperature difference in housing 7 and water tank is not less than 4 DEG C, heat exchange water pump extracts the water in water tank with the speed of 0.2m/min, and makes water circulate between water tank and cooling chamber 3；
Step 3: when cooling chamber 3 exit is more than 10 DEG C with the temperature difference in water tank, the flow that MCU regulates in this cooling chamber 3 by controlling the magnetic valve of cooling chamber 3 porch is less than 0.05m/min；When cooling chamber 3 exit is 6-10 DEG C with the temperature difference in water tank, the flow that MCU controls in cooling chamber 3 is 0.08m/min；When cooling chamber 3 exit is less than 6 DEG C with the temperature difference in water tank, the flow that MCU controls in cooling chamber 3 is 0.12m/min；
Step 4:MCU controls air blast and starts, and air-flow is through heat dissipation cavity 4 and absorbs the heat in cooling chamber 3, then through spray public attention ejection；
Step 5: when heat dissipation cavity 4 exit is more than 5 DEG C with the temperature difference in housing 7, MCU controls spray public attention and sprays air-flow with the speed of 0.6 m/min；When heat dissipation cavity 4 exit is 2-5 DEG C with the temperature difference in housing 7, MCU controls spray public attention and sprays air-flow with the speed of 1m/min, and electric heater output general power is 300W；When heat dissipation cavity 4 exit is less than 2 DEG C with the temperature difference in housing 7, MCU controls spray public attention and sprays air-flow with the speed of 1.5m/min, and electric heater output general power is more than 600W；
Step 6: when the water temperature when temperature is less than 3 DEG C in housing 7 and in water tank is less than 5 DEG C, MCU controls electric heater and heats, and its electric heater output general power is no more than 650W；When water temperature when temperature is less than 0 DEG C in housing 7 and in water tank is less than 1 DEG C, electric heater output general power is more than 800W.
Owing to have employed said method, by setting the setting value of MCU, it is respectively directed to different temperature conditions heat exchangers 6 and geothermal device 9 is controlled, ensure that heat exchanger 6 and geothermal device 9 can effectively use, intelligent and the service life of raising equipment, different phase for heat at the bottom of ground, geothermal device 9 can be according to the difference of heat, control respectively, ensure that the normal use of equipment, geothermal device 9 can effectively absorb heat or the cold energy at the end, ground, during hot environment, dry-type transformer 8 equipment is lowered the temperature, when low temperature environment, dry-type transformer 8 equipment is heated up, ensure the operating temperature equilibrium of dry-type transformer 8.The heat exchanger tube of heat exchanger 6 carries out temperature control and flow-control, improve the efficiency of heat exchange, avoid the waste of resource, avoid equipment local temperature difference excessive and reduce the service life of equipment, ensure that effective utilization of equipment, this controller is carried out Based Intelligent Control, it is possible to the effective heat exchange efficiency improving this heat transmission equipment.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (5)
1. an intelligent thermoregulating formula dry-type transformer, it is characterised in that include the geothermal device in the soil that housing, the dry-type transformer being located in housing, the heat exchanger being located in housing, overhead 3-5m are deep；Geothermal device obtains underground heat and through heat exchanger, underground heat is passed to dry-type transformer；Heat exchanger includes heat exchanger tube, jet thrust, air blast, and heat exchanger tube includes cooling chamber, heat dissipation cavity, heating chamber, and air blast connects one end of heat dissipation cavity by pipeline, and the other end of heat dissipation cavity connects jet thrust by pipeline, and this head that sprays paint is relative with dry-type transformer；One end of cooling chamber connects water tank by heat exchange water pump, the other end connects water tank by filter；It is provided with electric heater in described heating chamber；Housing is additionally provided with the MCU for controlling geothermal device and heat exchanger.
Intelligent thermoregulating formula dry-type transformer the most according to claim 1, it is characterised in that cooling chamber is decussate texture, heating chamber is located at the pair of horns outside cooling chamber decussate texture, and heat dissipation cavity is located at another diagonal angle of cooling chamber decussate texture.
Intelligent thermoregulating formula dry-type transformer the most according to claim 2, it is characterised in that the winding of described spray public attention alignment dry-type transformer, the maximum air output of this spray public attention is 4 m/min；Distance between spray public attention and winding is 0.3-0.5m.
Intelligent thermoregulating formula dry-type transformer the most according to claim 3, it is characterized in that, geothermal device includes water tank, water circulating pump, heat exchange water pump and underground heat pipe network, and water tank connects underground heat pipe network by water circulating pump, and underground heat pipe network is absorbed underground heat and is linked back water tank by pipeline.
5. according to the intelligent thermoregulating formula dry-type transformer described in any one of claim 1-4, it is characterised in that its intelligent control method:
Step 1: water circulating pump extracts the water in water tank with the speed of 0.3m/min, and water flows through underground heat pipe network and absorbs underground heat, and the water after absorbing underground heat is transmitted back in water tank；
Temperature in step 2:MCU detection housing and in water tank, when the temperature difference in housing and water tank is not less than 4 DEG C, heat exchange water pump extracts the water in water tank with the speed of 0.2m/min, and makes water circulate between water tank and cooling chamber；
Step 3: when cooling chamber exit is more than 10 DEG C with the temperature difference in water tank, the flow that MCU regulates in this cooling chamber by controlling the magnetic valve of cooling chamber porch is less than 0.05m/min；When cooling chamber exit is 6-10 DEG C with the temperature difference in water tank, the flow that MCU controls in cooling chamber is 0.08m/min；When cooling chamber exit is less than 6 DEG C with the temperature difference in water tank, the flow that MCU controls in cooling chamber is 0.12m/min；
Step 4:MCU controls air blast and starts, and air-flow is through heat dissipation cavity and absorbs the heat in cooling chamber, then through spray public attention ejection；
Step 5: when heat dissipation cavity exit is more than 5 DEG C with the temperature difference in housing, MCU controls spray public attention and sprays air-flow with the speed of 0.6 m/min；When heat dissipation cavity exit is 2-5 DEG C with the temperature difference in housing, MCU controls spray public attention and sprays air-flow with the speed of 1m/min, and electric heater output general power is 300W；When heat dissipation cavity exit is less than 2 DEG C with the temperature difference in housing, MCU controls spray public attention and sprays air-flow with the speed of 1.5m/min, and electric heater output general power is more than 600W；
Step 6: when the water temperature when shell body temperature is less than 3 DEG C and in water tank is less than 5 DEG C, MCU controls electric heater and heats, and its electric heater output general power is no more than 650W；When water temperature when shell body temperature is less than 0 DEG C and in water tank is less than 1 DEG C, electric heater output general power is more than 800W.
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| CN201510849422.0A CN105788806B (en) | 2015-11-30 | 2015-11-30 | A kind of intelligent thermoregulating formula dry-type transformer |
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| CN204630448U (en) * | 2015-02-10 | 2015-09-09 | 聊城万合工业制造有限公司 | A kind of heat exchange tubing |
| CN204670005U (en) * | 2015-03-30 | 2015-09-30 | 浙江大学城市学院 | The geothermal heat exchange systems that a kind of booth uses |
| CN204593556U (en) * | 2015-05-04 | 2015-08-26 | 国网冀北节能服务有限公司 | A kind of electrical heating system with remote temperature regulation device |
| CN205194459U (en) * | 2015-11-30 | 2016-04-27 | 成都德善能科技有限公司 | Intelligence formula dry -type transformer that adjusts temperature |
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| CN105788806B (en) | 2018-05-11 |
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