CN105571160A

CN105571160A - Dustproof solar water heater

Info

Publication number: CN105571160A
Application number: CN201510533134.4A
Authority: CN
Inventors: 胡振华
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-08-27
Filing date: 2015-08-27
Publication date: 2016-05-11

Abstract

The invention relates to a dustproof solar water heater. The dustproof solar water heater comprises a water storage tank, a support and heat collecting tubes. Each heat collecting tube sequentially comprises a flow guide tube, a heat absorbing film and a transparent tube from inside to outside. Each transparent tube can freely rotate around the respective axis. A rotating device is further fixedly installed on the lower side of each transparent tube. A central shaft of each rotating device is fixedly connected with the corresponding transparent tube. Each central shaft is further circumferentially provided with rotating cavities at equal intervals, and the spaces between the rotating cavities and the transparent tubes are vacuumized. An expansion tube is installed in each rotating cavity and extends in the radial direction of the corresponding central shaft. A piston ball is installed in each expansion tube and is in airtight contact with the wall of the expansion tube. The section, close to the corresponding central shaft, of each expansion tube is filled with evaporating liquid. The water heater can effectively prevent dust from falling onto the surfaces of the heat collecting tubes, thereby guaranteeing the cleanliness and brightness of the heat collecting tubes and further improving the heat collecting effect.

Description

Dust-proof solar water heater

Technical field

The present invention relates to a kind of water heater, especially, is a kind of novel solar water heater.

Background technology

Water heater a kind ofly provides the instrument of hot water for limited range, and water heater is divided into following a few class after development for many years: storage-type electric water heater, instant electric water heater, quick-heating electric water heater, gas heater, solar electric water heater and air source water heater; Wherein, solar water heater is subject to users' favor with its environmental protection, the advantage such as energy-conservation, convenient; But traditional solar water heater in use still should be noted that more problem: one, it needs regularly to carry out system blowdown, to prevent pipe blocking; Need to carry out periodic cleaning to water tank, to ensure water cleaning simultaneously; Two, the thermal-collecting tube of solar energy needs cleaned at regular intervals wiping to ensure higher light transmittance; Cleaning simultaneously should in the morning or at sunshine the dusk be strong, temperature carries out time lower, broken to prevent the transparent pipe of thermal-collecting tube outside from being swashed by cold water; Three, need the vacuum making regular check on thermal-collecting tube, to ensure insulation, the heat-conducting effect of thermal-collecting tube; Therefore, traditional solar water heater exists morely needs improvements.

Summary of the invention

For the problems referred to above, the invention provides a kind of dust-proof solar water heater, this water heater can effectively prevent surfaces of collector tubes to fall ash, ensures the clean, bright of thermal-collecting tube, and then improves Heat-collecting effect.

For solving the problem, the technical solution adopted in the present invention is: this dust-proof solar water heater includes storage tank, support and thermal-collecting tube; Described thermal-collecting tube is equally spaced to be arranged on described storage tank; Described thermal-collecting tube includes mozzle, absorption film and transparent pipe from inside to outside successively; Described mozzle is communicated with described storage tank; In vacuumizing shape between described transparent pipe and described mozzle, described transparent pipe freely can rotate around own axes, and described transparent pipe is connected with the sealing ring of storage tank by oil immersion; Also slewing equipment is installed with in the below of each described transparent pipe; The central shaft of described slewing equipment is fixedly connected with transparent pipe, and described central shaft is arranged on the axis of transparent pipe; On described central shaft, also circumference is equidistantly provided with turned cavities, in vacuumizing shape between each described turned cavities and transparent pipe; The expansion tube that centrally Axial and radial extends is installed in each described turned cavities, in each described expansion tube, piston ball is installed, the tube wall air tight contact of described piston ball and expansion tube; Evaporated liquor is filled with in a section that central shaft pressed close to by each described expansion tube.

The invention has the beneficial effects as follows: when there being sunlight to irradiate described thermal-collecting tube, described absorption film can absorb a large amount of sunlight, intensification being heated by described mozzle; Due between transparent pipe and mozzle in vacuum shape, therefore heat not easily scatters and disappears, and mozzle can high-efficiency heating; Hot water after heating is by flowing to the upper strata of storage tank by thermosyphon effect, and the cold water of storage tank lower floor flow to continuation heating in mozzle; Therefore the present invention can high-efficiency heating.

While mozzle is heated, each described turned cavities is also by heat absorption in various degree, the turned cavities be positioned at above central shaft is heated and is heated up comparatively fast, therefore the evaporated liquor in the expansion tube above central shaft takes the lead in by thermal evaporation, and expansion tube internal gas pressure increases, and is outwards pushed by described piston ball; And the evaporated liquor below central shaft in expansion tube heats up also not to critical point, therefore piston ball is in the middle part of expansion tube; Now whole described slewing equipment plays pendulum, and described slewing equipment will rotate under gravity, and because described slewing equipment and described transparent pipe keep being fixedly connected with, therefore described slewing equipment can drive described transparent pipe to rotate; Namely persistently overheating at absorption film, heating mozzle while, the described transparent pipe of drive of described slewing equipment discontinuity rotates, therefore transparent pipe there will not be a face for a long time upwards, therefore dust is not easy to adhere to, be cemented on the tube wall of transparent pipe, and therefore transparent pipe can keep transparent, clean for a long time; Structure of the present invention is simple, in the autonomous rotation without the need to realizing transparent pipe when power supply, thus extending the cleaning cycle of transparent pipe, therefore using more convenient, light.

As preferably, be installed with cleaner plate in the below of each described thermal-collecting tube, described cleaner plate and each described thermal-collecting tube tangent; In the process that transparent pipe rotates, described cleaner plate and described transparent pipe Relative friction, the spot on transparent pipe can be wiped out, thus realizes the automatically cleaning of water heater.

As further preferably, described cleaner plate offers mesh; Rainwater can be led down by this structure fast, effectively prevents rainwater, rotation that dust accumulation affects transparent pipe.

As preferably, be coated with rubber jar at described piston ball; So that strengthen the air-tightness between piston ball and expansion tube.

As preferably, described evaporated liquor can be replaced by distilled water, is added with expansion ball float in described distilled water; It is cheap that distilled water adds expansion ball float, requires low to expansion tube airtight, can meet revolution demand of the present invention simultaneously, therefore have obvious advantage.

Accompanying drawing explanation

Fig. 1 is the side-looking structural representation of this dust-proof solar water heater embodiment.

Fig. 2 is the structure for amplifying schematic diagram of middle slewing equipment embodiment illustrated in fig. 1.

Detailed description of the invention

Embodiment

In the embodiment shown in Fig. 1, Fig. 2, this dust-proof solar water heater includes storage tank 1, support 2 and thermal-collecting tube 3; Described thermal-collecting tube 3 is equally spaced to be arranged on described storage tank 1; Described thermal-collecting tube 3 includes mozzle 31, absorption film and transparent pipe 32 from inside to outside successively; Described mozzle 31 is communicated with described storage tank 1; In vacuumizing shape between described transparent pipe 32 and described mozzle 31, described transparent pipe 32 freely can rotate around own axes, and described transparent pipe 32 is connected with the sealing ring 4 of storage tank 1 by oil immersion; Slewing equipment 5 is also installed with in the below of each described transparent pipe 32; The central shaft 51 of described slewing equipment 5 is fixedly connected with transparent pipe 32, and described central shaft 51 is arranged on the axis of transparent pipe 32; On described central shaft 51, also circumference is equidistantly provided with turned cavities 52, in vacuumizing shape between each described turned cavities 52 and transparent pipe 32; The expansion tube 6 that centrally axle 51 radial direction extends is installed in each described turned cavities 52, in each described expansion tube 6, piston ball 7 is installed, the tube wall air tight contact of described piston ball 7 and expansion tube 6; Rubber jar is coated with, so that strengthen the air-tightness between piston ball 7 and expansion tube 6 at described piston ball 7; In a section that central shaft 51 pressed close to by each described expansion tube 6, be filled with distilled water, in described distilled water, be added with expansion ball float 8; Be installed with cleaner plate 9 in the below of each described thermal-collecting tube 3, described cleaner plate 9 is tangent with each described thermal-collecting tube 3; Described cleaner plate 9 also offers mesh.

When there being sunlight to irradiate described thermal-collecting tube 3, described absorption film can absorb a large amount of sunlight, intensification being heated by described mozzle 31; Due between transparent pipe 32 and mozzle 31 in vacuum shape, therefore heat not easily scatters and disappears, and mozzle 31 can high-efficiency heating; Hot water after heating is by flowing to the upper strata of storage tank 1 by thermosyphon effect, and the cold water of storage tank 1 lower floor flow to continuation heating in mozzle 31; Therefore the present invention can high-efficiency heating.

While mozzle 31 is heated, each described turned cavities 52 is also by heat absorption in various degree, the turned cavities 52 be positioned at above central shaft 51 is heated and is heated up comparatively fast, therefore the distilled water in the expansion tube 6 above central shaft 51 takes the lead in intensification of being heated, expansion ball float 8 volume in distilled water becomes large, and therefore described piston ball 7 is pushed outwards squeezes; And the distilled water below central shaft 51 in expansion tube 6 heats up comparatively slow, expansion ball float 8 deformation in distilled water is less, and therefore piston ball 7 is in the middle part of expansion tube 6; Now whole described slewing equipment 5 plays pendulum, described slewing equipment 5 will rotate under gravity, because described slewing equipment 5 keeps being fixedly connected with described transparent pipe 32, therefore described slewing equipment 5 can drive described transparent pipe 32 to rotate; Namely persistently overheating at absorption film, heating mozzle 31 while, the described transparent pipe 32 of drive of described slewing equipment 5 discontinuity rotates, therefore transparent pipe 32 there will not be a face for a long time upwards, therefore dust is not easy to adhere to, be cemented on the tube wall of transparent pipe 32, and therefore transparent pipe 32 can keep transparent, clean for a long time.

Adopt distilled water to coordinate expansion ball float 8 structure in the present embodiment, this constructed value is cheap, requires low, can meet revolution demand of the present invention simultaneously, therefore have obvious advantage expansion tube 6 airtight.

In addition, in the present embodiment, be installed with cleaner plate 9 in the below of each described thermal-collecting tube 3, described cleaner plate 9 is tangent with each described thermal-collecting tube 3; Therefore in the process of transparent pipe 32 rotation, described cleaner plate 9 and described transparent pipe 32 Relative friction, the spot on transparent pipe 32 can be wiped out in time, thus realizes the automatically cleaning of water heater; Rainwater can be led down by mesh in cleaner plate 9 fast, effectively prevents rainwater, dust accumulation, affects the rotation of transparent pipe 32.

Structure of the present invention is simple, in the autonomous rotation without the need to realizing transparent pipe 32 when power supply, thus extending the cleaning cycle of transparent pipe 32, therefore using more convenient, light.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a dust-proof solar water heater, this dust-proof solar water heater includes storage tank (1), support (2) and thermal-collecting tube (3); Described thermal-collecting tube (3) is equally spaced to be arranged on described storage tank (1); Described thermal-collecting tube (3) includes mozzle (31), absorption film and transparent pipe (32) from inside to outside successively; Described mozzle (31) is communicated with described storage tank (1); In vacuumizing shape between described transparent pipe (32) and described mozzle (31), it is characterized in that: described transparent pipe (32) freely can rotate around own axes, described transparent pipe (32) is connected with the sealing ring (4) of storage tank (1) by oil immersion; Slewing equipment (5) is also installed with in the below of each described transparent pipe (32); The central shaft (51) of described slewing equipment (5) is fixedly connected with transparent pipe (32), and described central shaft (51) is arranged on the axis of transparent pipe (32); Turned cavities (52) is equidistantly installed, in vacuumizing shape between each described turned cavities (52) and transparent pipe (32) in described central shaft (51) upper also circumference; The expansion tube (6) that centrally axle (51) radial direction extends is installed in each described turned cavities (52), in each described expansion tube (6), piston ball (7) is installed, the tube wall air tight contact of described piston ball (7) and expansion tube (6); Evaporated liquor is filled with in a section that each described expansion tube (6) presses close to central shaft (51).

2. dust-proof solar water heater according to claim 1, is characterized in that: be installed with cleaner plate (9) in the below of each described thermal-collecting tube (3), and described cleaner plate (9) is tangent with each described thermal-collecting tube (3).

3. dust-proof solar water heater according to claim 2, is characterized in that: in described cleaner plate (9), offer mesh.

4. dust-proof solar water heater according to claim 1, is characterized in that: be coated with rubber jar described piston ball (7).

5. dust-proof solar water heater according to claim 1, is characterized in that: described evaporated liquor can be replaced by distilled water, is added with expansion ball float (8) in described distilled water.