CN211782057U - Solar heat-conducting medium circulation strengthening control device - Google Patents
Solar heat-conducting medium circulation strengthening control device Download PDFInfo
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- CN211782057U CN211782057U CN202020280825.4U CN202020280825U CN211782057U CN 211782057 U CN211782057 U CN 211782057U CN 202020280825 U CN202020280825 U CN 202020280825U CN 211782057 U CN211782057 U CN 211782057U
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
A solar heat-conducting medium circulation strengthening control device comprises a photovoltaic power generation device, a magnetofluid driver and a controller, wherein the magnetofluid driver is electrically connected with the photovoltaic power generation device and is connected with the controller; the magnetic fluid driver comprises a heat-conducting medium annular channel, a magnetic field generator and an electric field generator, wherein the magnetic field generator and the electric field generator are arranged in the heat-conducting medium annular channel, the magnetic field generator and the electric field generator are connected with the photovoltaic power generation device through wires, the magnetic field generator is used for generating an annular magnetic field in the heat-conducting medium annular channel, and the electric field generator is used for generating an electric field perpendicular to the magnetic field in the heat-conducting medium annular channel. The utility model discloses a strengthen or restrain heat-conducting medium's circulation flow, realize heat-conducting medium's flow control, solve the not hot or overheated problem that solar thermal energy utilization exists, be favorable to solar water heating system's optimization motion, prevent the overheated phenomenon of storage water tank, improve the solar water heating system life-span.
Description
Technical Field
The utility model relates to a protection device for strengthening solar energy heat-conducting medium circulation, improving solar energy and appearing unheated or overheated phenomenon belongs to solar energy heat supply technical field.
Background
With the popularization of solar heat utilization technology and the requirements of energy conservation and emission reduction, solar heat utilization projects of high-rise buildings are more and more, but due to gas blockage, adverse slope and the like, circulation of a heat-conducting medium is not smooth, and the problem of solar heat failure is frequent.
The problem is solved by using a circulating water pump to forcibly circulate, but mechanical parts are easy to damage after long-term operation, and noise and vibration are accompanied, so that daily life of residents is influenced.
In addition, when the sunlight intensity is too strong, the phenomenon of solar overheating is easy to occur, and the system safety and the personal health are endangered.
Aiming at the problems, the existing solar heat conduction circulating pipeline needs to be improved, the heat conduction medium is controlled to circularly flow, and the solar energy is recycled.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists, a realize solar energy heat-conducting medium circulation automatically regulated's intensive controlling means is provided to according to concrete operating mode, strengthen or restrain heat-conducting medium's circulation flow, solve the not hot or overheated problem that solar thermal energy utilization exists. Meanwhile, the water storage tank is protected, and the service life of the solar water heating system is prolonged.
The utility model discloses a controlling means is reinforceed in solar energy heat-conducting medium circulation adopts following technical scheme.
The magnetic current controller comprises a photovoltaic power generation device, a magnetic fluid driver and a controller, wherein the magnetic fluid driver is electrically connected with the photovoltaic power generation device and is connected with the controller.
The photovoltaic power generation device adopts the existing photovoltaic power generation equipment, directly converts light energy into electric energy, and belongs to the prior art. The photovoltaic power generation device provides power for the magnetofluid driver and the controller, and the photovoltaic power generation device changes the power supply amount by the change of the solar irradiation intensity, so that the self-adjustment of the operation of the magnetofluid driver is realized.
The magnetic fluid driver comprises a heat-conducting medium annular channel, a magnetic field generator and an electric field generator, wherein the magnetic field generator and the electric field generator are arranged in the heat-conducting medium annular channel, the magnetic field generator and the electric field generator are connected with the photovoltaic power generation device through wires, the magnetic field generator is used for generating an annular magnetic field in the heat-conducting medium annular channel, and the electric field generator is used for generating an electric field perpendicular to the magnetic field in the heat-conducting medium annular channel.
The heat-conducting medium annular channel is a middle annular cavity formed between an inner shell and an outer shell which are sleeved inside and outside.
The magnetic field generator is a magnetic induction coil, and the coil is connected with the photovoltaic power generation device through a lead. The coil may be a superconducting coil.
The electric field generator comprises an inner electrode plate, an outer electrode plate and a control circuit, wherein the inner electrode plate and the outer electrode plate are respectively arranged on the inner wall and the outer wall of the heat-conducting medium annular channel, the inner electrode plate and the outer electrode plate are distributed at intervals in the circumferential direction, and the magnetic field generator is radially arranged in the space at intervals.
The control circuit comprises a change-over switch, a main switch, a power supply and an adjustable resistor which are connected in series, and the inner electrode plate and the outer electrode plate are connected with the change-over switch. The positive and negative of the inner electrode plate and the outer electrode plate are changed through the change-over switch, and the current is adjusted through the adjustable resistor, so that the size and the direction of an electric field are changed, and the flowing direction and the flowing speed of the heat-conducting medium are controlled.
The electric field generator can adjust the positive and negative of the electrode plate through the combination of the change-over switch according to the actual heat using requirement, and controls the flow of the heat-conducting medium, thereby solving the problem of no heat or overheating existing in the solar heat utilization.
The controller is controlled by a single chip microcomputer.
When the magnetic fluid driver is used, the magnetic fluid driver is connected to a heat-conducting medium circulating pipeline between a heat collector and a water storage tank in a solar water heating system. The heat conducting medium of the charged particles moves under the action of the electric field force in the magnetofluid driver, the magnetic field generator in the magnetofluid driver generates a magnetic field, and the moving charged particles move along the heat conducting medium circulating pipeline under the influence of the Lorentz force in the magnetic field to drive the heat conducting medium to flow. The magnetofluid driver is controlled by the controller, and the size and the direction of an electric field in the magnetofluid driver are controlled according to the actual working condition and the change of the water temperature in the water storage tank, so that the size and the direction of Lorentz force are changed, and the flowing direction and the flowing speed of a heat-conducting medium are controlled; considering that the solar water heating system has self-circulation of the heat-conducting medium, the circulation flow of the heat-conducting medium can be enhanced or inhibited, and a heat-conducting medium circulation mode for solar energy recycling is obtained.
The utility model discloses strengthen or restrain heat-conducting medium's circulation flow, realize heat-conducting medium's flow control, solve the not hot or overheated problem that solar thermal energy utilization exists, be favorable to solar water heating system's optimization motion.
The utility model discloses an aspect can strengthen the forward flow of heat-conducting medium, produces forward lorentz force through adjusting the magnetic current body driver, accelerates heat-conducting medium and flows, improves the speed of heat transfer between heat collector and the storage water tank, solves the not hot problem that exists in the solar thermal energy utilization; on the other hand, the circulation flow of the heat-conducting medium can be inhibited, when the water temperature in the water storage tank is too high, the magnetic fluid driver is adjusted to form reverse Lorentz force, the heat transfer speed between the heat collector and the water storage tank is reduced, the circulation flow of the heat-conducting medium is inhibited, most heat is stored in the heat collector, the heat collection efficiency of the heat collector is reduced, the heat loss is increased, the heat dissipation speed is accelerated, the overheating phenomenon of the water storage tank is prevented, and the service life of the solar water heating.
Drawings
Fig. 1 is a schematic structural diagram of the solar heat-conducting medium circulation strengthening control device of the present invention.
Fig. 2 is a schematic structural diagram of the magnetic flow controller of the present invention.
FIG. 3 is a schematic circuit diagram of an electric field generator in a magnetic flow controller.
In the figure: 1. the photovoltaic power generation device comprises a photovoltaic power generation device, 2, a controller, 3, a magnetofluid driver, 4, a magnetic field generator, 5, an inner electrode plate, 6, a heat collector, 7, a water storage tank, 8, a heat-conducting medium annular channel, 9, a heat-conducting medium circulation pipeline, 10, an outer shell, 11, an inner shell and 12, an outer electrode plate; 13. power supply, 14 adjustable resistor, 15 change-over switch, 16 main switch.
Detailed Description
The utility model discloses a main aim at strengthens or restraines heat-conducting medium's circulation flow, realizes heat-conducting medium's flow control, solves the not hot or overheated problem that solar thermal energy utilization exists, is favorable to solar water heating system's optimization motion, protects the storage water tank simultaneously, improves the solar water heating system life-span. The magnetic flow controller changes the magnitude and direction of the Lorentz force borne by the charged particles in the heat-conducting medium by changing the positive and negative electrodes and the current magnitude of the electrodes, so that the circulating flow of the heat-conducting medium is enhanced or inhibited, a heat-conducting medium circulating mode for solar energy recycling is obtained, and the problem of no heat or overheating in solar energy heat utilization is solved.
As shown in fig. 1, the solar heat-conducting medium circulation strengthening control device of the present invention includes a photovoltaic power generation device 1, a controller 2 and a magnetic fluid driver 3. The controller 2 and the magnetofluid driver 3 are electrically connected with the photovoltaic power generation device 1, the photovoltaic power generation device 1 provides power for the controller 2 and the magnetofluid driver 3, and the photovoltaic power generation device 1 changes power supply amount by the change of the intensity of solar irradiation, so that the self-adjustment of the operation of the magnetofluid driver 3 is realized. The photovoltaic power generation device 1 adopts the existing photovoltaic power generation equipment to directly convert light energy into electric energy, and for the prior art, a photovoltaic module in the photovoltaic power generation device 1 is placed on one side of a lighting surface of a solar water heater heat collector and receives solar radiation together with the solar heat collector. The magnetic fluid driver 3 is connected with the controller 2. The controller 2 is controlled by a single chip microcomputer and can manually input water temperature parameters and an input interface matched with a pipeline. The controller 2 can be arranged on the shell of a water storage tank 7 in the solar water heating system, and a temperature sensor in the water storage tank 7 is connected with the controller 2 so as to acquire water temperature parameters in the water storage tank 7 in real time.
The magnetofluid driver 3 is connected to a heat-conducting medium circulating pipeline 9 between a heat collector 6 and a water storage tank 7 in the solar water heating system, and the outer side of the heat-conducting medium circulating pipeline 9 is subjected to heat preservation treatment by adopting heat preservation and insulation sponge. The two ends of the magnetic fluid driver 3 can be connected with pipe joints with different pipe diameters so as to ensure that the connection between the magnetic fluid driver 3 and the heat-conducting medium circulation pipeline 9 is normal.
As shown in fig. 2, the magnetic fluid driver 3 includes a heat conducting medium annular channel 8, a magnetic field generator 4 and an electric field generator, the magnetic field generator 4 and the electric field generator are two independent parts, and the magnetic field generator 4 is used for generating an annular magnetic field in the heat conducting medium annular channel 8. The electric field generator is used for generating an electric field perpendicular to the magnetic field in the annular channel of the heat conducting medium. The photovoltaic power generation device 1 supplies power to the magnetic field generator 4 and the electric field generator 5 respectively. The heat conducting medium of the charged particles moves under the action of the electric field force, the magnetic field generator 4 generates a magnetic field, and the moving charged particles are influenced by the Lorentz force in the magnetic field and move along the heat conducting medium annular channel 8 to drive the heat conducting medium to flow. The heat-conducting medium annular channel 8 is communicated with a heat-conducting medium circulating pipeline 9 in the solar water heating system, and the heat-conducting medium flows in the heat-conducting medium annular channel.
The magnetic field generator 4 is a magnetic induction coil which can be a superconducting coil, and the coil is connected with the photovoltaic power generation device 1. The self-adjustment of the magnetic field intensity of the magnetofluid driver 3 is realized through the change of the power supply of the photovoltaic power generation device 1, the Lorentz force of the moving charged particles in the magnetic field is changed, and the flowing speed of the heat-conducting medium can be adjusted.
The electric field generator comprises an inner electrode plate 5 and an outer electrode plate 12. The two ends of the heat-conducting medium annular channel 8 are provided with connecting joints (not shown in the figure) for connecting with a heat-conducting medium circulating pipeline 9 of the solar water heating system. The annular channel 8 for the heat-conducting medium is formed by an intermediate annular cavity between an inner shell 11 and an outer shell 10 which are nested one inside the other. The magnetic field generator 4 and the electric field generator are both arranged in a heat conducting medium annular channel 8 between the inner shell and the outer shell, wherein two electrode plates of an inner electrode plate 5 and an outer electrode plate 12 of the electric field generator are respectively arranged on the inner wall (the outer wall of the inner shell 11) and the outer wall (the inner wall of the outer shell 10) of the heat conducting medium circulating channel 8. The inner electrode plates 5 and the outer electrode plates 12 of the electric field generators are circumferentially distributed at intervals in the annular heat-conducting medium channel 8, the magnetic field generators 4 are arranged in the interval space between the adjacent inner electrode plates 5 and the outer electrode plates 12, and the magnetic field generators 4 are radially distributed in the annular heat-conducting medium channel 8. The magnetic field generator 4 may also be embedded in the inner and outer walls of the heat conducting medium annular channel 8.
The electric field generator generates an electric field perpendicular to the magnetic field in the heat conducting medium annular channel 8, and comprises a control circuit besides the inner electrode plate 5 and the outer electrode plate 12. As shown in fig. 3, the control circuit includes a change-over switch 15, a main switch 16, a power supply 13 and an adjustable resistor 14, the change-over switch 15, the main switch 16, the power supply 13 and the adjustable resistor 14 are connected in series, the inner electrode plate 5 and the outer electrode plate 12 are connected with the change-over switch 15, and the change-over switch 15 can be an electric double-pole double-throw switch, and the connection mode is as shown in fig. 3, so as to realize the switching of the positive and negative poles of the inner electrode plate 5 and the outer electrode plate 12. The adjustable resistor 14 may be a digital potentiometer. The power supply 13 is provided by the photovoltaic power generation device 1, and is connected with the photovoltaic power generation device 1 through a wire through an adjustable resistor 14 and a change-over switch 15. The change-over switch 15 and the adjustable resistor 14 are both connected with the controller 2, and the controller 2 can adopt the prior art such as a single chip microcomputer. The controller 2 controls the automatic switching of the change-over switch 15 and adjusts the resistance of the digital potentiometer.
The magnetic fluid driver 3 is controlled by the controller 2, the change-over switch 15 and the adjustable resistor 14 are automatically controlled by the controller 2, a water temperature signal is collected through a temperature sensor arranged in the water storage tank 7, and the controller 2 judges whether to adjust the change-over switch 15 and the adjustable resistor 14 after receiving the water temperature signal. According to the actual working condition and the change of the water temperature in the water storage tank 7, the positive and negative of the inner electrode plate 5 and the outer electrode plate 12 are adjusted through the combined opening and closing of the change-over switch 15, the electric field is changed through adjusting the resistance value of the slide rheostat 14, the Lorentz force is changed, and the flowing speed and the flowing direction of the heat-conducting medium are further controlled. Considering that the solar water heating system has self-circulation of the heat-conducting medium, the circulation flow of the heat-conducting medium can be enhanced or inhibited, and a heat-conducting medium circulation mode for solar energy recycling is obtained.
Claims (3)
1. A solar heat-conducting medium circulation strengthening control device is characterized in that: the device comprises a photovoltaic power generation device, a magnetofluid driver and a controller, wherein the magnetofluid driver is electrically connected with the photovoltaic power generation device and is connected with the controller; the magnetofluid driver comprises a heat-conducting medium annular channel, a magnetic field generator and an electric field generator, wherein the magnetic field generator and the electric field generator are arranged in the heat-conducting medium annular channel and are connected with the photovoltaic power generation device through wires; the magnetic field generator is a magnetic induction coil, and the coil is connected with the photovoltaic power generation device through a lead; the electric field generator comprises an inner electrode plate, an outer electrode plate and a control circuit, wherein the inner electrode plate and the outer electrode plate are respectively arranged on the inner wall and the outer wall of the heat-conducting medium annular channel, the inner electrode plate and the outer electrode plate are distributed at intervals in the circumferential direction, and the magnetic field generator is radially arranged in the space at intervals.
2. The solar heat transfer medium circulation strengthening control device as claimed in claim 1, wherein: the heat-conducting medium annular channel is a middle annular cavity formed between an inner shell and an outer shell which are sleeved inside and outside.
3. The solar heat transfer medium circulation strengthening control device as claimed in claim 1, wherein: the control circuit comprises a change-over switch, a main switch, a power supply and an adjustable resistor which are connected in series, and the inner electrode plate and the outer electrode plate are connected with the change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280825.4U CN211782057U (en) | 2020-03-09 | 2020-03-09 | Solar heat-conducting medium circulation strengthening control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280825.4U CN211782057U (en) | 2020-03-09 | 2020-03-09 | Solar heat-conducting medium circulation strengthening control device |
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| CN211782057U true CN211782057U (en) | 2020-10-27 |
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| CN202020280825.4U Active CN211782057U (en) | 2020-03-09 | 2020-03-09 | Solar heat-conducting medium circulation strengthening control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153880A (en) * | 2020-10-28 | 2020-12-29 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Double-sided heat exchange micro-channel liquid cooling radiator |
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2020
- 2020-03-09 CN CN202020280825.4U patent/CN211782057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153880A (en) * | 2020-10-28 | 2020-12-29 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Double-sided heat exchange micro-channel liquid cooling radiator |
| CN112153880B (en) * | 2020-10-28 | 2022-06-07 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Double-sided heat exchange micro-channel liquid cooling radiator |
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