CN1223325A

CN1223325A - Method and device for collecting water from air by using solar energy

Info

Publication number: CN1223325A
Application number: CN 98100331
Authority: CN
Inventors: 林璐懿
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-01-13
Filing date: 1998-01-13
Publication date: 1999-07-21
Anticipated expiration: 2018-01-13
Also published as: CN1083922C

Abstract

The present invention relates to a method for collecting water from air by using solar energy and its equipment. It is characterized by that a solar cell plate formed from several solar cells is used to receive solar energy, and convert the received solar energy into electric current and voltage with a certain range, then the electric current and voltage are passed through a conversion circuit, and fed into a refrigerating semiconductor device, its cooling face is stuck to the refrigerating end of hot tube by using heat-conductive silica gel to reduce its temp., and the conduction of cooling agent in the hot tube is used to cool the fins of another end of the hot tube, so that the water content in the air is condensed on the fins, and is collected so as to form the required drinking water. It is simple in method and structure, low in cost and is practical.

Description

Utilize solar energy from air, to collect the method and the device thereof of water

The present invention relates to collect the method and apparatus of water, especially utilize solar energy from air, to collect the method and the device thereof of drinking water.

As everyone knows, lack the local a lot of of drinking water on the earth, as island, seagoing vessel and desert etc.Do you how to overcome these phenomenons? someone manages to use desalinization on the island, plausible often is restricted because scale is big, investment is big, energy consumption is big; What also have manages in the desert or the island well-digging, but it is just not necessarily feasible not allow, for example run into coral reef because of some local geological conditions; Have think collected rainwater but supply is not necessarily reliably guaranteed; Water on seagoing vessel mainly provides from big land delivery fresh water, and very inconvenient, particularly little seagoing vessel can not deliver a large amount of fresh water, wants to cross the sea, very difficulty.

There is a patent Germany, its patent No. is P4241078.9, notification number is DE 4241078A1, exercise question is " a desert irrigation rig ", described is to utilize solar energy to send electric energy CD-ROM drive motor or motor, thereby drives the means that cooling surface produces condensed water, in case employed motor, certainly will drive air compressor, compress a kind of medium, similar freon and so on is delivered to the cooling surface swelling heat absorption after the compression, just play cooling effect, this complete equipment is just not saying its mechanism's complexity, cost are higher, because moving component is arranged, so often to be keeped in repair, very inconvenient.

The objective of the invention is to overcome the deficiency of above-mentioned technology, provide a kind of equipment simple, easy to maintenance, utilize solar energy from air, to collect the method and apparatus of water, to satisfy the needs of the place/occasion lack drinking water.

The object of the present invention is achieved like this: its method is as follows:

Utilize a plurality of solar cells to form solar panel, convert solar energy to electric energy, but the resulting electric energy of this measure, its voltage and current is unsettled, still can not satisfy the input requirement of refrigeration semiconductor devices, the invention is characterized in that it also comprises the steps:

One. with the resulting electric energy of above-mentioned steps, make it to convert to by translation circuit and meet the desired voltage and current of refrigeration semiconductor devices, and be input on the refrigeration semiconductor devices;

Two. with the cooling surface of refrigeration semiconductor devices, be attached on the heat pipe, the temperature of heat pipe is descended by connecting elements;

Three. refrigerating medium is housed in heat pipe,, the lip-deep fin of heat pipe is cooled to below the dew point through conduction;

Four. driving air with exhaust equipment and flow on fin, make airborne condensate moisture on fin, collect, has been drinkable water.

According to the above-mentioned device that method adopted: it comprises the solar panel of forming with a plurality of solar cells, exhaust equipment, hopper, characteristics of the present invention are that it also comprises and receive the translation circuit that solar panel is sent electric energy here, this translation circuit is by on-off circuit, current rectifying and wave filtering circuit, reach the switch voltage-stabilizing circuit that control circuit connects to form successively, its output connects the refrigeration semiconductor devices, the one side of refrigeration semiconductor devices is a heating face, another side is a cooling surface, its cooling surface is attached on the connecting elements with heat conductive silica gel, and connecting elements is sleeved on the refrigeration end of heat pipe again with heat conductive silica gel, it plays the refrigeration semiconductor devices that makes planar shaped and the close-connected effect of heat pipe of tubular, heat pipe is to be connected airtight and constituted by refrigeration end and condensation end, its two ends seals, the inwall of heat pipe is to be made of uniform longitudinal furrow, cover again with the imbibition silk screen, and soak with refrigerating medium, the surface of heat pipe is provided with fin, and device is in heat interchanger, be provided with exhaust equipment driving air above the heat interchanger and make it mobile, be provided with air intake below, be provided with hopper below the bottom.Just can continuously collect drinking water from fin.

Heat pipe recited above and fin thereof are in heat interchanger: can be horizontal, its fin direction be perpendicular with the axle of heat pipe; Also can be perpendicular putting, its fin direction be and axially the paralleling of heat pipe.

Adopt above-mentioned scheme, except that exhaust fan, all used movement-less part, equipment and structure are all very simple, with low cost, maintenance is simple, just can solve the situation that places such as island, little seagoing vessel, desert lack drinking water.

Below in conjunction with embodiment 1,2 and accompanying drawing thereof, the present invention is further described:

Fig. 1 is principle of the invention figure;

Fig. 2 is the translation circuit schematic diagram;

Fig. 3 is the schematic diagram that the refrigeration semiconductor devices is connected with connecting elements;

Fig. 4 is I-I sectional view of Fig. 3;

Fig. 5 is a heat pipe vertical section constructional drawing;

Fig. 6 is II-II sectional view of Fig. 5;

Fig. 7 is the generalized section of heat pipe and heat interchanger among the embodiment 2;

Fig. 8 is III-III sectional view of Fig. 7;

Fig. 9 is IV-IV sectional view of Fig. 7;

Among the figure:

1. sunlight 2. solar panels 3. translation circuits

4. refrigeration semiconductor devices and connecting elements 5. heat pipes

6. heat interchanger 7. air intakes 8. exhaust fans

9. hopper 10. on-off circuits 11. current rectifying and wave filtering circuits

12. control circuit 13. refrigeration semiconductor devices

14. heat conductive silica gel 15. heat conductive silica gels 16. connecting elementss

17. refrigeration end 18. condensation ends 19. imbibition silk screens

20. the longitudinal furrow of refrigerating medium 21. heat pipe inwalls

22. exhaust fan 23. heat interchangers 24. radiating fins

25. thermal insulation 26. connecting elementss 27. heat conductive silica gels

28. refrigeration end 29. imbibition silk screens 30. heat conductive silica gels

31. refrigeration semiconductor devices 32. heat conductive silica gels 33. valves

34. secondary cooling air import 35. thermal insulations

36. condensation end fin 37. heat conductive silica gels 38. condensation ends

39. air intake 40. hoppers 41. refrigerating mediums

42. baffle liner 43. baffle liners

Fig. 1 is a schematic diagram of the present invention, it also is the schematic diagram of embodiment 1, among Fig. 1, the solar panel of forming with a plurality of solar cells (2) receives sunlight (1), convert the unstable direct current of 15V to 45V to, be transformed into stable 12 volts through translation circuit (3), ≤ 10 amperes direct current, it is delivered in refrigeration semiconductor devices and the connecting elements (4), its temperature is descended, connecting elements is sleeved on the refrigeration end of heat pipe (5), conduction by the refrigerating medium in the heat pipe (5), the other end of heat pipe (5) be plug-in mounting horizontal its fin is cooled in heat interchanger (6), and atmospheric air flows through fin surface, airborne moisture just condenses on the fin, drive air by top exhaust fan (8) again, air is flowed enter, discharge by the upper end from air intake (7), below heat interchanger (6), be provided with hopper (9), just can have collected drinking water.Present embodiment under the condition of 20 ℃ of 80% relative humidity, temperature, can collect water 2 liters/hour.

Translation circuit at Fig. 2: comprise that on-off circuit (10), current rectifying and wave filtering circuit (11), control circuit (12) connect to form successively.

In Fig. 3, refrigeration semiconductor devices (13) has two, and its cooling surface uses heat conductive silica gel (14) to be attached on the connecting elements (16) respectively, uses heat conductive silica gel (15) to be bonded between the refrigeration end of connecting elements (16) and heat pipe again.

Fig. 4 is I-I sectional view of Fig. 3.

Among Fig. 5, the refrigeration end (17) and the condensation end of heat pipe are to connect airtight to be connected, and imbibition silk screen (19) is to be covered on the inwall of heat pipe (5), and refrigerating medium (20) is to be immersed on the imbibition silk screen (19).

It shown in Fig. 6 the II-II sectional view of heat pipe (5).

Fig. 7 is the heat pipe in the embodiment of the invention 2 and the generalized section of heat interchanger, present embodiment 2 is the bigger structures of capacity, its principle is the same with embodiment 1 with structure basically, but its characteristics are arranged, heat pipe that is adopted and fin thereof are perpendicular putting in heat interchanger, its fin direction is and axially the paralleling of heat pipe, can be by means of gravity, the mobile performance of refrigerating medium (41) is better, also adopting secondary cooling air (34) in addition is the necessary means of radiating fin cooling, the effect of the valve of secondary cooling air import department (33) is to adjust the intake of air intake (39) and the ratio of secondary cooling air, and exhaust fan (22) is to play air intake simultaneously and advance secondary cooling air, baffle liner (42), (43) be that the guiding air intake prevents that to central flows it is to diffusion all around.

Through test, embodiment 2 employed solar cells, the total current of exporting to 4 blocks of refrigeration semiconductor devices through translation circuit are≤20 peaces, and under temperature was 20 ℃, the condition of relative humidity 80%, the collection water yield hourly was 4 liters.

Claims

1. method of utilizing solar energy to collect water from air, its step are earlier with the solar panel of a plurality of solar cells compositions, convert solar energy to electric energy; It is characterized in that it also comprises the steps:

One. with the resulting electric energy of above-mentioned steps, by translation circuit, make it to convert to and meet the desired voltage and current of refrigeration semiconductor devices, and output on the refrigeration semiconductor devices;

Two. the cooling surface of refrigeration semiconductor devices is attached on the heat pipe by connecting elements, the temperature of heat pipe is descended;

2. a kind of device that method adopted that utilizes solar energy to collect water from air according to claim 1: it comprises the solar panel of forming with a plurality of solar cells, exhaust equipment, hopper, it is characterized in that it also comprises receives the translation circuit that solar panel is sent electric energy here, this translation circuit is by on-off circuit, current rectifying and wave filtering circuit, reach the switch voltage-stabilizing circuit that control circuit connects to form successively, its output connects the refrigeration semiconductor devices, the one side of refrigeration semiconductor devices is a heating face, one side is a cooling surface, its cooling surface is attached on the connecting elements with heat conductive silica gel, and connecting elements is sleeved on the refrigeration end of heat pipe again with heat conductive silica gel, heat pipe is by the refrigeration end and coagulates end and connect airtight and constitute, its two ends seals, the inwall of heat pipe is to be made of uniform longitudinal furrow, cover again with the imbibition silk screen, and soak with refrigerating medium;

The surface of heat pipe is provided with fin, and device is provided with exhaust equipment above the heat interchanger in heat interchanger, is provided with air intake below, is provided with hopper below the bottom.

3. a kind of device that method adopted that utilizes solar energy from air trapping water according to claim 2 is characterized in that described heat pipe and fin thereof are horizontal in heat interchanger, and its fin direction is axial perpendicular with heat pipe.

4. a kind of device that method adopted that utilizes solar energy from air trapping water according to claim 2 is characterized in that described heat pipe and fin thereof are perpendicular putting in heat interchanger, and its fin direction is and axially the paralleling of heat pipe.