CN104157400A - Main transformer falling film type heat exchanging device with photovoltaic conversion function and using method thereof - Google Patents
Main transformer falling film type heat exchanging device with photovoltaic conversion function and using method thereof Download PDFInfo
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- CN104157400A CN104157400A CN201410402906.6A CN201410402906A CN104157400A CN 104157400 A CN104157400 A CN 104157400A CN 201410402906 A CN201410402906 A CN 201410402906A CN 104157400 A CN104157400 A CN 104157400A
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Abstract
The invention provides a main transformer falling film type heat exchanging device with a photovoltaic conversion function and a using method thereof. The main transformer falling film type heat exchanging device is composed of a transformer oil flow cooling circulating system, a coolant medium circulating system and a control system, and a photovoltaic conversion system with a solar energy storing function is used for providing energy for the main transformer falling film type heat exchanging device. According to the main transformer falling film type heat exchanging device, walls of falling film tubes of a falling film evaporator are used for carrying out heat exchanging, the control system can automatically control transformer oil in the tube pass of the falling film evaporator, so that the transformer oil forms a film shape and flows down along the inner walls of the falling film tubes, the heat exchanging effect is improved, work of a variable-frequency refrigeration compressor and a variable-frequency oil pump is automatically controlled according to the temperature of oil in a transformer body, and the optimal value of temperature difference between a main transformer winding and oil flows is always maintained. Solar energy which is clean, efficient and safe is used as common working electric energy, so that the main transformer falling film type heat exchanging device has the advantages of saving energy and protecting the environment and being high in cooling efficiency, small in equipment size, low in oil consumption, little in maintenance and economical in overall operation and the like, copper and iron loss of an operating main transformer can be greatly lowered, the overloading capacity and the short circuit current resistance of the main transformer are improved, the service life of the main transformer is prolonged, and safe operation of the main transformer is guaranteed more powerfully.
Description
Technical field
The present invention relates to a kind of have photovoltaic translation function main transformer falling film type heat-exchanger rig and using method.
Background technology
Main transformer is in running, effect due to electricity and magnetic, its winding and iron core can generate heat, as can not be in time this heat taken away, to cause main transformer to burn the even serious accident of blast, therefore must come cooling winding and iron core by the transformer oil stream being full of in main transformer, and the heat that transformer oil stream is taken away needs to carry out heat exchange by heat abstractor, cooled cold oil stream enters transformer body again and carries out cooling.The tradition main transformer type of cooling is mainly three kinds of air blast cooling, natural air cooled and water-cooleds, although water-cooled is economical, efficiency is also high, if if generation cooling water in cooling system is to main transformer Seepage, even minor leakage also will cause serious consequence; Air-cooled because of air heat content low, make that main transformer cooling effectiveness is low, the scope that cools is very little, be subject to such environmental effects large, main transformer, heat sink apparatus are manufactured bulky, many by oil mass, operating cost is high, maintenance is large, and cause that main transformer copper iron loss is large, overload capacity and the shortcomings such as Short Circuit withstand current capacity is little, insulation life is short.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, a kind of have photovoltaic translation function main transformer falling film type heat-exchanger rig and using method are provided, can take away safe, reliable, efficient, economically the heat energy that main transformer in service produces, safety, the economical operation of powerful guarantee electric power system main transformer.
The first specific embodiments of the present invention is: a kind of have a photovoltaic translation function main transformer falling film type heat-exchanger rig, it is characterized in that, comprise that one is built-in with the transformer body of transformer Cooling oil, be arranged at the downward film evaporator of transformer body one side and for the power-supply controller of electric of driving transformer oil circulation, described downward film evaporator comprises the housing of a sealing, in described housing, be provided with coolant media, described housing middle part is vertically arranged with several film supplying tubes, described film supplying tube is the tubular body that two ends have opening, described film supplying tube top is placed in an orifice plate, described orifice plate is divided into upper chamber and lower chambers by housing, the tube wall that described each film supplying tube stretches out orifice plate upper end is provided with film supplying tube spout hole, the sidewall on described transformer body top is provided with out deep fat electromagnetically operated valve, describedly go out deep fat electromagnetically operated valve and be connected with the upper chamber in downward film evaporator housing by the road, described downward film evaporator housing bottom is provided with downward film evaporator tube side and goes out pipe, the sidewall of described transformer body bottom is provided with into cold oil valve, described tube side go out pipe by the road with enter cold oil valve and be connected, described power-supply controller of electric is connected with energy-storing device, described energy-storing device is connected with solar receiver through optical-electrical converter.
Further, described solar receiver comprises the turnover solar panel of multi-disc, described every solar panel lower end is placed in rotating shaft and energy-storing device is connected, in described energy-storing device, be provided with comparator and control the PLC microcomputerized controller that comparator catches solar energy, described comparator rotates to realize each solar panel according to each solar panel harvest energy size control rotating shaft and reaches ceiling capacity collection capacity, described photo-translating system is by receiving solar energy, and carry out photovoltaic conversion and power supply control, so that being provided, sufficient electrical energy supplies with heat-exchanger rig work.
Further, the sidewall on described downward film evaporator lower chambers top is provided with downward film evaporator refrigerant exit, the sidewall of downward film evaporator bottom is provided with the import of downward film evaporator refrigerant, described downward film evaporator refrigerant exit is communicated with the import of downward film evaporator refrigerant through Refrigerating Compressor with Inverter, condenser and choke valve by the road, described Refrigerating Compressor with Inverter and power-supply controller of electric are electrically connected, described power-supply controller of electric is connected with energy-storing device, and described energy-storing device is connected with solar receiver through optical-electrical converter.
Further, described orifice plate comprises plate body, and described plate body is provided with for inserting the through hole of film supplying tube, and described plate body perimembranous and downward film evaporator shell inner surface fit.
Further, in downward film evaporator housing upper chamber, be provided with oil level inductive probe, oil level inductive probe upper end is connected with the oil level inductor that stretches out upper chamber, described transformer body is provided with main transformer oil temperature sensor, described tube side go out pipe by the road with enter on the connecting line of cold oil valve to be also provided with frequency conversion oil pump.
Further, described condenser side is provided with condenser fan.
Further, described film supplying tube lower end is also placed in an orifice plate, and described orifice plate is fixed in downward film evaporator housing.
Further, described main transformer cooling device also comprises control module, and described control module is electrically connected at oil level inductor, temperature sensor, Refrigerating Compressor with Inverter, frequency conversion oil pump, goes out deep fat electromagnetically operated valve, and described control module and power-supply controller of electric are electrically connected.
Further, described heat-exchanger rig is also provided with external stand-by power supply, when long-term rainy day illumination is not enough, automatically switches and uses.
The second specific embodiments of the present invention is: a kind of have a photovoltaic translation function main transformer falling film type heat-exchanger rig method, comprises a kind of main transformer falling film type heat-exchanger rig as claimed in claim 9, and concrete steps are as follows:
1) open solar receiver, PLC microcomputerized controller, comparator, optical-electrical converter, energy-storing device and power-supply controller of electric, to offer the heat-exchanger rig work energy;
2) open transformer body top go out deep fat electromagnetically operated valve and bottom enter cold oil valve and frequency conversion oil pump, the heat that in transformer body, mobile transformer oil produces main transformer winding and iron core is taken away, transformer oil self is heated and becomes heat transformer oil; The heat transformer oil that goes out the outflow of deep fat solenoid control flow to around the film supplying tube of downward film evaporator, by the uniform spout hole of film supplying tube top surrounding, along film supplying tube inwall, form membranaceous flowing down, and with downward film evaporator housing in be enclosed in film supplying tube around the low temperature cold medium of circulation carry out heat exchange, its heat is taken away by low temperature refrigerant and self is become cold transformer oil;
3) open Refrigerating Compressor with Inverter, Refrigerating Compressor with Inverter will become high pressure-temperature cold media gas from downward film evaporator refrigerant exit low pressure refrigerant gas compression out; The high pressure-temperature cold media gas that goes out compressor enters and in condenser, is cooled to high temperature refrigerant liquid; From condenser high temperature refrigerant liquid out through choke valve throttling to the housing of downward film evaporator, low temperature refrigerant liquid all flashes to low pressure refrigerant gas after the heat that absorbs a large amount of heat transformer oil, low pressure refrigerant gas is pumped down in Refrigerating Compressor with Inverter and compresses again, with this iterative cycles open cold medium circulatory system;
4) cold transformer oil goes out after the outlet of downward film evaporator tube side, by frequency conversion oil pump, through entering cold oil valve, is beaten to transformer body, and winding and iron core are carried out to next round cool cycles;
5) sensing device of opening control system and control module, the level height that control module can arrange according to the fuel level sensor of downward film evaporator, control out deep fat electromagnetically operated valve, to guarantee that transformer oil forms in the film supplying tube of downward film evaporator, membranaceously along film supplying tube inwall, flow down; Control module is controlled the work of Refrigerating Compressor with Inverter and frequency conversion oil pump automatically according to main transformer oil temperature, when oil temperature is high, control increases of exerting oneself of Refrigerating Compressor with Inverter and frequency conversion oil pump, and vice versa, remains that main transformer winding and oil flow the optimal value of the temperature difference.
Compared with prior art, the present invention has following beneficial effect: it is cooling that utilization of the present invention has deep fat safe and reliable, that utilize downward film evaporator to carry out in main transformer, cooling effectiveness is high, equipment volume is little, few by oil mass, safeguard less, overall operation economic dispatch huge advantage, can greatly reduce copper, the iron loss of operation main transformer, improve main transformer overload ability and Short Circuit withstand current capacity, extend main transformer useful life, powerful guarantee main transformer safe operation more.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention there is photovoltaic translation function main transformer falling film type heat-exchanger rig photovoltaic converting system figure (in figure, K1 is that normally open, K2 are normally off, K1, K2 locking each other);
Fig. 2 is that the photovoltaic translation function main transformer falling film type heat-exchanger rig solar receiver that has of the embodiment of the present invention receives solar energy work schematic diagram;
Fig. 3 be the embodiment of the present invention there is photovoltaic translation function main transformer falling film type heat-exchanger rig main-process stream schematic diagram;
Fig. 4 is the transformer oil stream cooling recirculation system schematic diagram of the embodiment of the present invention;
Fig. 5 is the coolant circulating system schematic diagram of the embodiment of the present invention;
Fig. 6 is the downward film evaporator structure principle chart of the embodiment of the present invention;
Fig. 7 be the embodiment of the present invention downward film evaporator in film supplying tube structure chart;
Fig. 8 is the downward film evaporator aperture plate structure chart of the embodiment of the present invention;
Fig. 9 is the vertical view of embodiment of the present invention Fig. 8 orifice plate.
Figure 10 is the control system Automatic Control Theory block diagram of the embodiment of the present invention.
In figure: 1-goes out deep fat electromagnetically operated valve, 2-downward film evaporator tube side inlet pipe, 3-downward film evaporator tube side goes out pipe, 4-frequency conversion oil pump inlet valve, 5-frequency conversion oil pump, 6-enters cold oil valve, 7-downward film evaporator, 8--downward film evaporator refrigerant exit, 9-Refrigerating Compressor with Inverter, 10-condenser, 11-condenser fan, 12-condenser inlet, 13-condensator outlet, 14-choke valve, the import of 15-downward film evaporator refrigerant, 16-main transformer oil temperature sensor, 17-film supplying tube, 18-downward film evaporator tube side upper end deep fat layer, 19-orifice plate, 20-fuel level sensor probe, 21-fuel level sensor, oil film flow process in 22-film supplying tube, 23--downward film evaporator tube side lower end cold oil layer, refrigerant flow path in 24--downward film evaporator shell side, 25-film supplying tube spout hole, 26-solar panel, 27-steering controller, 28-comparator, 29-transformer body.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Fig. 1 ~ 10, a kind of have photovoltaic translation function main transformer falling film type heat-exchanger rig by photovoltaic converting system, transformer oil stream cooling recirculation system, (coolant media can be SF to coolant media
6or other applicable medium) circulatory system and composition of the control system.
Transformer oil stream cooling recirculation system mainly comprises: one is built-in with the transformer body 29 of transformer Cooling oil and is arranged at the downward film evaporator 7 of transformer body 29 1 sides, described downward film evaporator 7 comprises the housing of a sealing, in described housing, be provided with coolant media, described housing middle part is vertically arranged with several film supplying tubes 17, described film supplying tube 17 has the tubular body of opening for two ends, described film supplying tube 17 tops are placed in an orifice plate 19, described orifice plate 19 comprises plate body, described plate body is provided with for inserting the through hole of film supplying tube, plate body perimembranous and downward film evaporator shell inner surface fit, orifice plate 19 is divided into upper chamber and lower chambers by housing, the tube wall that each film supplying tube 17 stretches out orifice plate upper end is provided with film supplying tube spout hole 25, the sidewall on described transformer body top is provided with out deep fat electromagnetically operated valve 1, describedly go out deep fat electromagnetically operated valve 1 and be connected with the upper chamber in downward film evaporator housing by the road, described downward film evaporator 7 housing bottoms are provided with downward film evaporator tube side and go out pipe 3, the sidewall of described transformer body 29 bottoms is provided with into cold oil valve, described tube side go out pipe 3 by the road with enter cold oil valve 6 and be connected.Described tube side go out pipe 3 by the road with enter on the connecting line of cold oil valve 6 to be also provided with frequency conversion oil pump 5, described frequency conversion oil pump 5 is also connected with frequency conversion oil pump inlet valve 4.
The operation principle with photovoltaic translation function main transformer falling film type heat-exchanger rig circulation of oil flow system:
Transformer body top go out deep fat electromagnetically operated valve 1, transformer body bottom enter cold oil valve 6, frequency conversion oil pump 5 and frequency conversion oil pump inlet valve 4; Mobile transformer oil starts to circulate in transformer body, and the heat that main transformer winding and iron core produce is taken away, and transformer oil self is heated and becomes heat transformer oil; The heat transformer oil that goes out the 1 control outflow of deep fat electromagnetically operated valve flow to downward film evaporator tube side inlet pipe 2, the upper end that enters evaporator tube side part forms downward film evaporator tube side upper end deep fat layer 18, oil is by the uniform spout hole 25 of film supplying tube 17 top surroundings, along film supplying tube 17 inwalls, form membranaceous flowing down, and with downward film evaporator shell side in refrigerant flow path 24 be enclosed in tube side around the low temperature cold medium of circulation carry out heat exchange, form downward film evaporator tube side lower end cold oil layer 23, its heat is taken away by low temperature refrigerant and self is become cold transformer oil; Cold transformer oil goes out downward film evaporator tube side and goes out after pipe 3, by frequency conversion oil pump 5, through entering 6 dozens, cold oil valve to transformer body 29, winding and iron core is carried out to next round cool cycles.
(coolant media can be SF to coolant media
6or other applicable medium) circulatory system mainly comprises: the sidewall on described downward film evaporator lower chambers top is provided with downward film evaporator refrigerant exit 8, the sidewall of downward film evaporator bottom is provided with downward film evaporator refrigerant import 15, and described downward film evaporator refrigerant exit 8 is communicated with downward film evaporator refrigerant import 15 through Refrigerating Compressor with Inverter 9, condenser 10 and choke valve 14 by the road.
The operation principle of coolant circulating system: Refrigerating Compressor with Inverter 9 will become high pressure-temperature cold media gas from downward film evaporator refrigerant exit 8 low pressure refrigerant gas compression out; The high pressure-temperature cold media gas that goes out frequency-changeable compressor 9 enters in condenser 10, is cooled to high temperature refrigerant liquid; From condensator outlet 13 high temperature refrigerant liquid out, through choke valve 14 throttlings, flow to downward film evaporator refrigerant import 15, enter the refrigerant flow path 24 in downward film evaporator shell side; Now because causing part high temperature refrigerant liquid rotating, volume sudden enlargement becomes low pressure refrigerant gas, cooling medium liquid evacuator body becomes in the process of gas can a large amount of heat absorptions and whole cooling medium liquid temperatures are sharply declined, and after the heat of the low temperature refrigerant liquid interior a large amount of heat transformer oil of film supplying tube 17 in absorbing evaporator after temperature declines, all flash to low pressure refrigerant gas; Low pressure refrigerant gas goes out after evaporator refrigerant exit 8, is pumped down to again compression in Refrigerating Compressor with Inverter 9, with this iterative cycles.
In order better to realize the operation to said mechanism, control, the present invention has also designed a kind ofly to be had photovoltaic translation function main transformer falling film type heat-exchanger rig control system and specifically comprises: described main transformer cooling device also comprises control module, in downward film evaporator housing upper chamber, be provided with oil level inductive probe 20, oil level inductive probe 20 upper ends are connected with the oil level inductor 21 that stretches out upper chamber, described transformer body is provided with main transformer oil temperature sensor, described tube side go out pipe by the road with enter on the connecting line of cold oil valve to be also provided with frequency conversion oil pump.Described control module is electrically connected at oil level inductor 21, temperature sensor 16, Refrigerating Compressor with Inverter 9, frequency conversion oil pump 5, deep fat electromagnetically operated valve 1 etc.
Its groundwork principle: the level height that control module can arrange according to the fuel level sensor of downward film evaporator, control out deep fat electromagnetically operated valve, to guarantee that transformer oil forms in the film supplying tube of downward film evaporator, membranaceously along film supplying tube inwall, flow down; Control module can also be according to the program of prior design programming, according to the data that are arranged on main transformer top oil temperature sensor and transmit, automatically control the work of Refrigerating Compressor with Inverter and frequency conversion oil pump, when oil temperature is high, control the increase of exerting oneself of Refrigerating Compressor with Inverter and frequency conversion oil pump, vice versa, remains that main transformer winding and oil flow the optimal value of the temperature difference.
There is the energy supply of photovoltaic translation function main transformer falling film type heat-exchanger rig:
The described electric energy with photovoltaic translation function main transformer falling film type heat-exchanger rig is powered by photovoltaic converting system, and photovoltaic converting system includes: the compositions such as solar receiver, optical-electrical converter, energy-storing device, power-supply controller of electric, stand-by power supply.Transformer oil flows cooling recirculation system, (coolant media can be SF to coolant media
6or other applicable medium) circulatory system and control system and power-supply controller of electric and stand-by power supply are electrically connected, and described power-supply controller of electric is also connected with energy-storing device, and described energy-storing device is connected with solar receiver through optical-electrical converter.
The solar energy being received by solar receiver, converts solar energy into electrical energy and is stored in energy-storing device by optical-electrical converter, and power-supply controller of electric can be converted into photo-voltaic power supply can be for the electric energy of main transformer heat-exchange system work.Photovoltaic transition electric power system is electrically connected at stand-by power supply, and when running into night or overcast and rainy for a long time, and main transformer oil temperature surpasses set point, now as the electricity shortage of photovoltaic transition electric power system, automatically starts stand-by power supply to supplement the deficiency of heat-exchange system power supply.Under normal circumstances, stand-by power supply is located closed condition usually, only has when the electricity shortage of photovoltaic transition electric power system, and stand-by power supply is just opened automatically.While generally having sunlight in the daytime, photovoltaic transition electric power system can provide sufficient electric power, and night and overcast and rainy often temperature low (with respect to sunlight daytime), main transformer itself is cooling by atmospheric environment institute, required refrigerating capacity is also little, and the probability that therefore starts stand-by power supply is less.
In order to guarantee the energy storage efficiency of solar receiver, the present invention also designed a kind of have auto-control solar panels 26 towards device, solar receiver comprises the turnover solar panel 26 of multi-disc, described every solar panel lower end is provided with axle sleeve, axle sleeve is placed in rotating shaft and energy-storing device is connected, rotating shaft is controlled and is rotated by steering controller 27, in described energy-storing device, be provided with comparator 28, comparator 28 operation principles are: effectively shining solar day in track, rotation due to the earth, with respect to a certain fixed location, the information such as its longitude and latitude is calculated to the not track angle at sun place in the same time of every day in 1 year, each track of sun position constantly in 1 year is stored in PLC, by controlling comparator, to realize real-time track, follow the tracks of, just can effectively guarantee that solar panel can be constantly over against the sun, reach optimum state.Described comparator 28 is connected with steering controller 27 and control system, comparator 28 is controlled rotating shaft according to each solar panel 26 harvest energy sizes and is rotated to realize the angle that regulates each solar panel 26, make the solar panel 26 of different angles be adjusted to the angle identical with maximum energy-storage solar cell panel 26, to reach the maximum energy storage capacity of solar receiver.
It is above-mentioned that a kind of to have photovoltaic translation function main transformer falling film type heat-exchanger rig using method concrete steps as follows:
Have a photovoltaic translation function main transformer falling film type heat-exchanger rig method, comprise a kind of photovoltaic translation function main transformer falling film type heat-exchanger rig that has as claimed in claim 9, concrete steps are as follows:
1) open solar receiver, PLC microcomputerized controller, comparator, optical-electrical converter, energy-storing device and power-supply controller of electric, to offer the heat-exchanger rig work energy;
2) open and transformer body top go out deep fat electromagnetically operated valve and bottom enter cold oil valve and frequency conversion oil pump, the heat that in transformer body, mobile transformer oil produces main transformer winding and iron core is taken away, transformer oil self is heated and becomes heat transformer oil; The heat transformer oil that goes out the outflow of deep fat solenoid control flow to around the film supplying tube of downward film evaporator, by the uniform spout hole of film supplying tube top surrounding, along film supplying tube inwall, form membranaceous flowing down, and carrying out heat exchange with the low temperature cold medium that is enclosed in around circulation in downward film evaporator housing, its heat is taken away by low temperature refrigerant and self is become cold transformer oil;
3) open Refrigerating Compressor with Inverter, Refrigerating Compressor with Inverter becomes high pressure-temperature cold media gas by the low pressure refrigerant gas compression discharging from downward film evaporator refrigerant exit; The high pressure-temperature cold media gas that goes out compressor enters and in condenser, is cooled to high temperature refrigerant liquid; From condenser high temperature refrigerant liquid out through choke valve throttling to the housing of downward film evaporator, low temperature refrigerant liquid all flashes to low pressure refrigerant gas after the heat that absorbs a large amount of heat transformer oil, low pressure refrigerant gas is pumped down in Refrigerating Compressor with Inverter and compresses again, with this iterative cycles open cold medium circulatory system;
4) cold transformer oil goes out after the outlet of downward film evaporator tube side, by frequency conversion oil pump, through entering cold oil valve, is beaten to transformer body, and winding and iron core are carried out to next round cool cycles;
5) sensing device of opening control system and control module, the level height that control module can arrange according to the fuel level sensor of downward film evaporator, control out deep fat electromagnetically operated valve, to guarantee that transformer oil forms in the film supplying tube of downward film evaporator, membranaceously along film supplying tube inwall, flow down; Control module is controlled the work of Refrigerating Compressor with Inverter and frequency conversion oil pump automatically according to main transformer oil temperature, when oil temperature is high, control increases of exerting oneself of Refrigerating Compressor with Inverter and frequency conversion oil pump, and vice versa, remains that main transformer winding and oil flow the optimal value of the temperature difference.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. one kind has photovoltaic translation function main transformer falling film type heat-exchanger rig, it is characterized in that, comprise that one is built-in with the transformer body of transformer Cooling oil, be arranged at the downward film evaporator of transformer body one side and for the power-supply controller of electric of driving transformer oil circulation, described downward film evaporator comprises the housing of a sealing, in described housing, be provided with coolant media, described housing middle part is vertically arranged with several film supplying tubes, described film supplying tube is the tubular body that two ends have opening, described film supplying tube top is placed in an orifice plate, described orifice plate is divided into upper chamber and lower chambers by housing, the tube wall that described each film supplying tube stretches out orifice plate upper end is provided with film supplying tube spout hole, the sidewall on described transformer body top is provided with out deep fat electromagnetically operated valve, describedly go out deep fat electromagnetically operated valve and be connected with the upper chamber in downward film evaporator housing by the road, described downward film evaporator housing bottom is provided with downward film evaporator tube side and goes out pipe, the sidewall of described transformer body bottom is provided with into cold oil valve, described tube side go out pipe by the road with enter cold oil valve and be connected, described power-supply controller of electric is connected with energy-storing device, described energy-storing device is connected with solar receiver through optical-electrical converter.
2. a kind of photovoltaic translation function main transformer falling film type heat-exchanger rig that has according to claim 1, described solar receiver comprises the turnover solar panel of multi-disc, described every solar panel lower end is placed in rotating shaft and with energy-storing device and is connected, in described energy-storing device, be provided with comparator and control the PLC microcomputerized controller that comparator catches solar energy, described comparator rotates to realize each solar panel according to each solar panel harvest energy size control rotating shaft and reaches ceiling capacity collection capacity, described photo-translating system is by receiving solar energy, and carry out photovoltaic conversion and power supply control, so that being provided, sufficient electrical energy supplies with heat-exchanger rig work.
3. a kind of photovoltaic translation function main transformer falling film type heat-exchanger rig that has according to claim 2, the sidewall on described downward film evaporator lower chambers top is provided with downward film evaporator refrigerant exit, the sidewall of downward film evaporator bottom is provided with the import of downward film evaporator refrigerant, described downward film evaporator refrigerant exit is by the road through Refrigerating Compressor with Inverter, condenser and choke valve are communicated with the import of downward film evaporator refrigerant, described refrigerant compressor and power-supply controller of electric are electrically connected, described power-supply controller of electric is connected with energy-storing device, described energy-storing device is connected with solar receiver through optical-electrical converter.
4. a kind of photovoltaic translation function main transformer falling film type heat-exchanger rig that has according to claim 2, described orifice plate comprises plate body, and described plate body is provided with for inserting the through hole of film supplying tube, and described plate body perimembranous and downward film evaporator shell inner surface fit.
5. a kind of photovoltaic translation function main transformer falling film type heat-exchanger rig that has according to claim 2, in downward film evaporator housing upper chamber, be provided with oil level inductive probe, oil level inductive probe upper end is connected with the oil level inductor that stretches out upper chamber, described transformer body is provided with main transformer oil temperature sensor, described tube side go out pipe by the road with enter on the connecting line of cold oil valve to be also provided with frequency conversion oil pump.
6. a kind of photovoltaic translation function main transformer falling film type heat-exchanger rig that has according to claim 5, described condenser is air-cooled cooler condenser or water condenser.
7. a kind of photovoltaic translation function main transformer falling film type heat-exchanger rig that has according to claim 6, described film supplying tube lower end is also placed in an orifice plate, and described orifice plate is fixed in downward film evaporator housing.
8. a kind of photovoltaic translation function main transformer falling film type heat-exchanger rig that has according to claim 7, described main transformer cooling device also comprises control module, described control module is electrically connected at oil level inductor, temperature sensor, Refrigerating Compressor with Inverter, frequency conversion oil pump, go out deep fat electromagnetically operated valve, described control module is also electrically connected with power-supply controller of electric.
9. a kind of photovoltaic translation function main transformer falling film type heat-exchanger rig that has according to claim 8, described heat-exchanger rig is also provided with external stand-by power supply, when long-term rainy day illumination is not enough, automatically switches and uses.
10. a using method with photovoltaic translation function main transformer falling film type heat-exchanger rig, comprises a kind of main transformer falling film type heat-exchanger rig as claimed in claim 9, and concrete steps are as follows:
1) open solar receiver, PLC microcomputerized controller, comparator, optical-electrical converter, energy-storing device and power-supply controller of electric, to offer the heat-exchanger rig work energy;
2) open transformer body top go out deep fat electromagnetically operated valve and bottom enter cold oil valve and frequency conversion oil pump, the heat that in transformer body, mobile transformer oil produces main transformer winding and iron core is taken away, transformer oil self is heated and becomes heat transformer oil; The heat transformer oil that goes out the outflow of deep fat solenoid control flow to around the film supplying tube of downward film evaporator, by the uniform spout hole of film supplying tube top surrounding, along film supplying tube inwall, form membranaceous flowing down, and with downward film evaporator housing in be enclosed in film supplying tube around the low temperature cold medium of circulation carry out heat exchange, its heat is taken away by low temperature refrigerant and self is become cold transformer oil;
3) open Refrigerating Compressor with Inverter, Refrigerating Compressor with Inverter will become high pressure-temperature cold media gas from downward film evaporator refrigerant exit low pressure refrigerant gas compression out; The high pressure-temperature cold media gas that goes out compressor enters and in condenser, is cooled to high temperature refrigerant liquid; From condenser high temperature refrigerant liquid out through choke valve throttling to the housing of downward film evaporator, low temperature refrigerant liquid all flashes to low pressure refrigerant gas after the heat that absorbs a large amount of heat transformer oil, low pressure refrigerant gas is pumped down in Refrigerating Compressor with Inverter and compresses again, with this iterative cycles open cold medium circulatory system;
4) cold transformer oil goes out after the outlet of downward film evaporator tube side, by frequency conversion oil pump, through entering cold oil valve, is beaten to transformer body, and winding and iron core are carried out to next round cool cycles;
5) sensing device of opening control system and control module, the level height that control module can arrange according to the fuel level sensor of downward film evaporator, control out deep fat electromagnetically operated valve, to guarantee that transformer oil forms in the film supplying tube of downward film evaporator, membranaceously along film supplying tube inwall, flow down; Control module is controlled the work of Refrigerating Compressor with Inverter and frequency conversion oil pump automatically according to main transformer oil temperature, when oil temperature is high, control increases of exerting oneself of Refrigerating Compressor with Inverter and frequency conversion oil pump, and vice versa, remains that main transformer winding and oil flow the optimal value of the temperature difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402906.6A CN104157400B (en) | 2014-08-18 | 2014-08-18 | One kind has photovoltaic conversion function main transformer falling film type heat-exchanger rig and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402906.6A CN104157400B (en) | 2014-08-18 | 2014-08-18 | One kind has photovoltaic conversion function main transformer falling film type heat-exchanger rig and application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104157400A true CN104157400A (en) | 2014-11-19 |
| CN104157400B CN104157400B (en) | 2017-09-15 |
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| CN201410402906.6A Active CN104157400B (en) | 2014-08-18 | 2014-08-18 | One kind has photovoltaic conversion function main transformer falling film type heat-exchanger rig and application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241073A (en) * | 2015-11-05 | 2016-01-13 | 山东新帅克能源科技有限公司 | Solar energy electricity cold and heat utilization system |
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| US20080314077A1 (en) * | 2006-03-22 | 2008-12-25 | Seong-Hwang Rim | Cooler For Transformer Using Generation Cycle |
| CN103861303A (en) * | 2014-01-01 | 2014-06-18 | 蔡卫冲 | Falling-film evaporator |
| CN103914084A (en) * | 2014-04-03 | 2014-07-09 | 苏州工业职业技术学院 | Automatic light tracing device and light tracing method thereof |
| CN103985510A (en) * | 2014-04-09 | 2014-08-13 | 国家电网公司 | Tower-plate main transformer cooling device enabling SF6 (sulfur hexafluoride) to be directly contacted with oil and application method of tower-plate main transformer cooling device |
| CN204087988U (en) * | 2014-08-18 | 2015-01-07 | 国家电网公司 | One has photovoltaic translation function main transformer falling film type heat-exchanger rig |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080314077A1 (en) * | 2006-03-22 | 2008-12-25 | Seong-Hwang Rim | Cooler For Transformer Using Generation Cycle |
| CN103861303A (en) * | 2014-01-01 | 2014-06-18 | 蔡卫冲 | Falling-film evaporator |
| CN103914084A (en) * | 2014-04-03 | 2014-07-09 | 苏州工业职业技术学院 | Automatic light tracing device and light tracing method thereof |
| CN103985510A (en) * | 2014-04-09 | 2014-08-13 | 国家电网公司 | Tower-plate main transformer cooling device enabling SF6 (sulfur hexafluoride) to be directly contacted with oil and application method of tower-plate main transformer cooling device |
| CN204087988U (en) * | 2014-08-18 | 2015-01-07 | 国家电网公司 | One has photovoltaic translation function main transformer falling film type heat-exchanger rig |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241073A (en) * | 2015-11-05 | 2016-01-13 | 山东新帅克能源科技有限公司 | Solar energy electricity cold and heat utilization system |
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| CN104157400B (en) | 2017-09-15 |
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