CN211625731U - Solar water heater - Google Patents

Abstract

The utility model relates to a solar water heater. The vacuum tube comprises an outer glass tube and an inner glass tube, wherein a glass partition plate is arranged in the middle of the inner glass tube, the upper end of the inner glass tube extends out of the outer glass tube to form a connecting section, a rotating disc is sleeved in the connecting section and provided with a rotating shaft, the rotating disc is provided with a rotating through hole and a transparent sleeve is sleeved outside the outer glass tube and provided with a reflecting layer; a connecting structure is arranged between the transparent sleeve and the rotating disc; the rotating disc drives the transparent sleeve to rotate and the rotation of the transparent sleeve and the transparent sleeve is kept consistent; the rotating disc is provided with an inner friction section, the inner glass tube is provided with an outer friction section, when the inner friction section is in contact with the outer friction section, friction force exists between the rotating disc and the inner glass tube, and the inner friction section and the outer friction section are both arc-shaped surfaces. The utility model discloses a set up rotary disk and connection structure for the rotary disk can drive transparent sleeve pipe rotatory, and overall structure is simple, need not to install photosensing unit, saves the cost.

Description

Solar water heater

Technical Field

The utility model belongs to the technical field of the solar energy utilization technique and specifically relates to a solar water heater.

Background

Along with the development of society, people pay more and more attention to the development and utilization of solar energy, at present, in rural area, many families have used solar water heater, and present solar water heater receives the influence of sunshine angle, and the sunlight that receives can not reach the biggest area, for improving the utilization efficiency of sunlight, many producers withdraw from improved solar water heater, if: publication No. CN106524526A, name: a transparent pipe is sleeved outside a vacuum pipe, a reflective film is arranged on the transparent pipe, and a driving source for driving the transparent pipe is arranged, so that the transparent pipe can rotate along with the sunlight irradiation angle, the sunlight receiving area is maximized, and the sunlight receiving efficiency is improved. The driving source comprises a motor, a transmission device and a light sensing device, the sunlight angle is determined through the light sensing device, the rotation angle of the motor is controlled through a controller, and the transparent tube is driven to rotate to a proper angle through the transmission device; the design makes the whole structure more complex, inconvenient installation and maintenance, and the cost is higher simultaneously, is unfavorable for promoting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar water heater to prior art not enough, this solar water heater simple structure, it is with low costs, and it is rotatory convenient to drive the hyaline tube, need not extra driving source.

A solar water heater comprises a seat body, a water tank and a vacuum tube connected with the water tank, wherein the water tank is fixed at the upper end of the seat body, the upper end of the vacuum tube is connected with the water tank, the vacuum tube comprises an outer glass tube and an inner glass tube, and a heat absorption layer is coated outside the inner glass tube; a vacuum cavity is formed between the outer glass tube and the inner glass tube; the middle part of the middle section of the inner glass tube is provided with a glass partition board arranged along the length direction of the inner glass tube, the glass partition board divides the inner glass space into a hot water space and a cold water space, the hot water space is positioned above the cold water space, and the hot water space and the cold water space are communicated at the bottom of the inner glass tube; the upper end of the inner glass tube extends out of the outer glass tube to form a connecting section, a rotating assembly is sleeved in the connecting section and comprises a rotating disk, a rotating shaft is arranged in the middle of the rotating disk and inserted into a shaft hole, the rotating disk is provided with a plurality of rotating through holes for driving the rotating disk to rotate, a transparent sleeve is sleeved outside the outer glass tube, and a reflecting layer for reflecting sunlight to the vacuum tube is arranged on one side of the inner side surface of the transparent sleeve; a connecting structure is arranged between the transparent sleeve and the rotating disc; the rotating disc drives the transparent sleeve to rotate and the rotation of the transparent sleeve and the transparent sleeve is kept consistent; the side of the rotating disk is provided with an inner friction section, the inner glass tube is provided with an outer friction section matched with the inner friction section, when the inner friction section is contacted with the outer friction section, friction force exists between the rotating disk and the inner glass tube, and the inner friction section and the outer friction section are both arc-shaped surfaces.

Further, the rotating disk is provided with an inner magnet, and the transparent sleeve is provided with an outer magnet matched with the inner magnet.

After setting up interior magnet and outer magnet, rotary disk and transparent sleeve pipe can keep the separation state, and interior glass pipe can not set up extra structure and satisfy being connected of rotary tube and transparent sleeve pipe, simple structure. Secondly, an additional driving mechanism is also avoided to drive the transparent sleeve to rotate. Preferably, the rotating disc is internally provided with 4 blocks of magnets, which are sequentially: the first inner magnet, the second inner magnet, the third inner magnet and the fourth inner magnet; 4 external magnets are arranged in the transparent sleeve; the first outer magnet, the second outer magnet and the third outer magnet are arranged in sequence; a fourth outer magnet; the adjacent two inner magnets have opposite polarities, and the first inner magnet and the first outer magnet are mutually attracted.

Furthermore, the upper end of the rotating disc of the inner glass tube is connected with a spring wire, the lower end of the spring wire is connected with the rotating disc, and when the spring wire is in an initial state, the inner friction section of the rotating disc is located in front of the outer friction section of the inner glass tube.

Furthermore, the middle part of the transparent sleeve is provided with a light inlet gap.

Furthermore, the lower end of the transparent sleeve is movably connected with the base body, and the transparent sleeve can rotate relative to the base body.

The transparent sleeve is provided with an upper magnet, the seat body is provided with a lower magnet which is repelled with the transparent sleeve and a jack for positioning the transparent sleeve, the lower end of the transparent sleeve is connected with a lower support body, the lower support body is provided with a mounting hole, the upper magnet is arranged in the mounting hole, and the seat body is provided with the lower magnet below the jack; the base body is provided with an insertion hole, and the transparent sleeve is inserted into the insertion hole and suspended in the insertion hole.

Preferably, the rotation through-hole is arc-shaped.

Furthermore, a shell is arranged outside the water tank, an upper connecting hole matched with the transparent sleeve is formed in the shell, the upper end of the transparent sleeve is inserted into the upper connecting hole, an upper supporting body is connected to the upper end of the transparent sleeve, an auxiliary magnet is connected to the upper supporting body, and a main magnet matched with the auxiliary magnet is arranged on the shell.

The utility model has the advantages that: the utility model discloses a set up rotary disk and connection structure for the rotary disk can drive transparent sleeve pipe rotatory, and overall structure is simple, need not to install photosensing unit, saves the cost.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic cross-sectional view of a vacuum tube.

FIG. 3 is a schematic view of the vacuum tube mated with the transparent sleeve.

FIG. 4 is a schematic view of a structure of the rotating disk cooperating with the inner glass tube in an initial state of illumination.

FIG. 5 is a schematic view of a configuration in which a rotating disk is engaged with an inner glass tube in a maximum state of illumination.

FIG. 6 is a schematic view showing a configuration of a rotating disk in cooperation with an inner glass tube in an end-stage state of light irradiation.

FIG. 7 is a schematic view showing a structure of a rotating disk engaged with an inner glass tube in an initial state of illumination with a spring wire.

FIG. 8 is a schematic view showing a structure of a rotating disk engaged with an inner glass tube in a light-irradiated end state with a spring wire.

Fig. 9 is a schematic structural diagram of the transparent sleeve.

FIG. 10 is a schematic view of the transparent sleeve and vacuum tube in a light exposure.

FIG. 11 is a schematic view of a second fit of the transparent sleeve and the vacuum tube under light.

FIG. 12 is a schematic view of a third fit of the transparent sleeve to the evacuated tube under illumination.

The arrows in fig. 4 to 8 indicate the rotational direction of the rotating disk; arrows in fig. 10 to 12 indicate the light irradiation direction.

The reference numerals include:

1-a seat body; 2-water tank; 3-a housing; 4-main magnet; 5-upper support; 6-secondary magnet; 7-rotating disk; 8-external magnet; 9-connecting ring; 10-transparent sleeve; 11-vacuum tube; 12-lower support; 13-upper magnet; 14-lower magnet; 16-outer glass tube; 17-inner glass tube; 18-a heat sink layer; 19-glass spacer; 20-shaft hole; 21-a light-reflecting layer; 22-inner magnet; 23-rotating through hole; 24-a rotating shaft; 25-outer friction segment; 26-inner friction segment; 27-spring wire; 28-light entry notch.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. As shown in fig. 1-12.

Example (b): referring to fig. 1, a solar water heater comprises a base body 1, a water tank 2 and a vacuum tube 11 connected with the water tank 2, wherein the water tank 2 is fixed at the upper end of the base body 1, the upper end of the vacuum tube 11 is connected with the water tank 2, referring to fig. 2, the vacuum tube 11 comprises an outer glass tube 16 and an inner glass tube 17, and a heat absorption layer 18 is coated outside the inner glass tube 17; a vacuum cavity is formed between the outer glass tube 16 and the inner glass tube 17; the middle part of the middle section of the inner glass tube 17 is provided with a glass partition plate 19 arranged along the length direction of the inner glass tube 17, the inner glass space is divided into a hot water space and a cold water space by the glass partition plate 19, the hot water space is positioned above the cold water space, and the hot water space and the cold water space are communicated at the bottom of the inner glass tube 17; the upper end of the inner glass tube 17 extends out of the outer glass tube 16 to form a connecting section, referring to fig. 3, a rotating assembly is sleeved in the connecting section and comprises a rotating disk 7, a rotating shaft 24 is arranged in the middle of the rotating disk 7, the rotating shaft 24 is inserted into a shaft hole 20, the rotating disk 7 is provided with a plurality of rotating through holes 23 used for driving the rotating disk 7 to rotate, a transparent sleeve 10 is sleeved outside the outer glass tube 16, and a reflecting layer 21 used for reflecting sunlight to the vacuum tube 11 is arranged on one side of the inner side surface of the transparent sleeve 10; a connecting structure is arranged between the transparent sleeve 10 and the rotating disc 7; the rotating disc 7 drives the transparent sleeve 10 to rotate and the rotation of the transparent sleeve and the transparent sleeve is consistent; see fig. 4 to 6; an inner friction section 26 is arranged on the side face of the rotating disc 7, an outer friction section 25 matched with the inner friction section 26 is arranged on the inner glass tube 17, when the inner friction section 26 is in contact with the outer friction section 25, friction force exists between the rotating disc 7 and the inner glass tube 17, and the inner friction section 26 and the outer friction section 25 are both arc-shaped faces. The central angle corresponding to the two arc-shaped surfaces is 80-100 degrees, and preferably 90 degrees.

After the heat absorption layer 18 absorbs heat, hot water floats upwards and enters a hot water space, and then flows out of the hot water space, passes through the rotary through hole 23 and enters the upper part of the water tank 2; at the moment, cold water below the water tank 2 passes through the rotary through hole 23 and enters a cold water space for filling; in the process, when hot water and cold water pass through the rotating through hole 23, a moment is applied to the rotating disk 7, and the two moments have the same direction, so that the rotating disk 7 is driven to rotate. The rotating through hole 23 is provided with an inclined shape or a spiral shape, and when water flows through, the water flow applies a thrust force to the inclined surface to the rotating through hole 23, the thrust force has a component perpendicular to the radial direction of the rotating disc 7, so that a moment for driving the rotating disc 7 to rotate can be formed, and the design of the rotating through hole 23 is not described in detail in the prior art. Since the water flow speed is related to the sun irradiation angle, that is, the torque generated by the water flow to the rotating shaft 24 is related to the sun irradiation angle, so that the rotating angle of the rotating disk 7 is related to the sun irradiation angle, the rotating angle of the rotating disk 7 is matched with the rotation of the sun irradiation angle in design. In the use process, when sunlight irradiates, especially in the morning or at night, the vacuum tube 11 may shield the adjacent vacuum tube 11, so that in the design process, the distance between the vacuum tubes 11 is set to be larger properly to reduce or avoid shielding, of course, the shielding is only short time, and once the sunlight irradiates, the rotating assembly rotates.

Secondly, the flow direction of the cold water and the flow direction of the hot water are opposite and are respectively positioned at two sides, so that the directions of the moments formed by the cold water and the hot water on the rotating shaft 24 are the same.

The side of rotary disk 7 is equipped with interior friction section 26, and interior glass is equipped with the outer friction section 25 with interior friction section 26 phase-match, and when rotary disk 7 rotated to: when the outer friction section 25 is in contact with the inner friction section 26, the friction force between the rotating disk 7 and the inner glass is greatly improved, and in the design, the inner friction section 26 and the outer friction section 25 are both circular arc surfaces with 90 degrees, namely 1/4 circular arc surfaces; referring to fig. 4 to 6, in an initial stage, the inner friction segment 26 is adjacent to the outer friction segment 25; when sunshine appears, hot water flows, the torque of the water flow to the rotating disk 7 is gradually increased, and the friction force is overcome; on the premise that the width of the rotating disc 7 is fixed, the friction force is related to the contact length, therefore, the greater the sunlight intensity is, the greater the water flow is, the greater the contact length overcome by rotation is, and when the sunlight direction is from 0 degree to 90 degrees, the sunlight intensity is gradually increased, and the rotation angle is gradually increased, so that the sunlight intensity is matched with the friction force, the rotating disc 7 also rotates from 0 degree to 90 degrees, and the inner friction section 26 is completely contacted with the outer friction section 25; when the sunshine direction is from 90 degrees to 180 degrees, the sunshine intensity is gradually weakened, the rotating disk 7 also rotates from 90 degrees to 180 degrees (the rotating disk 7 is at an initial angle of 0 degree), and the contact area of the inner friction section 26 and the outer friction section 25 is gradually reduced from the maximum to be completely separated. On the next day, when illumination appears, as long as hot water flows, the rotating disk 7 immediately rotates from 180 degrees to 360 degrees (0 degrees) and then from 0 degree to an angle matched with the sunlight angle due to the separation of the inner friction section 26 and the outer friction section 25. The rotating disk 7 drives the transparent sleeve 10 to move, and the rotating disk 7 and the transparent sleeve 10 rotate basically in the same direction.

In addition, in the design, the rotary disk 7 and the inner glass tube 17 can only contact with each other at the side surface when the inner friction section 26 contacts with the outer friction section 25, otherwise, the rotary disk 7 and the side surface of the inner glass tube 17 are in a separated state, and the gap between the two is small; or the friction is very small. In designing the inner friction segment 26 and the outer friction segment 25, the surface thereof may be formed with irregularities by grinding the surface thereof or by locally heating.

Further, the rotating disc 7 is mounted with an inner magnet 22, and said transparent sleeve 10 is mounted with an outer magnet 8 cooperating with the inner magnet 22. In order to conveniently arrange the outer magnet 8, a connecting ring 9 is sleeved outside the transparent sleeve 10, the connecting ring 9 is provided with a mounting hole, and the outer magnet 8 is mounted in the mounting hole. Also, a mounting hole for mounting the inner magnet 22 may be provided in the rotating disk 7.

After the inner magnet 22 and the outer magnet 8 are arranged, the rotating disk 7 and the transparent sleeve 10 can be kept in a separated state, the inner glass tube 17 is not provided with an additional structure to meet the connection of the rotating tube and the transparent sleeve 10, and the structure is simple. Secondly, it is also avoided to provide an additional driving mechanism for driving the transparent sleeve 10 to rotate. Preferably, 4 blocks of magnets 22 are installed on the side surface of the rotating disk 7 and are uniformly distributed; sequentially comprises the following steps: a first inner magnet 22, a second inner magnet 22, a third inner magnet 22, a fourth inner magnet 22; 4 external magnets 8 are arranged in the transparent sleeve 10; a first outer magnet 8, a second outer magnet 8 and a third outer magnet 8 are arranged in sequence; a fourth outer magnet 8; the adjacent two inner magnets 22 are opposite in polarity, and the first inner magnet 22 and the first outer magnet 8 attract each other.

See fig. 7, 8; further, the inner glass tube 17 is connected with a spring wire 27 at the upper end of the rotating disc 7, the lower end of the spring wire 27 is connected with the rotating disc 7, and when the spring wire 27 is in the initial state, the inner friction section 26 of the rotating disc 7 is positioned in front of the outer friction section 25 of the inner glass tube 17.

In design, the elastic tension of the spring wire 27 is far smaller than the friction force and the thrust of flowing water to the rotating disk 7; so that the tension of the spring wire 27 does not affect the angle of rotation of the rotating disc 7 when exposed to sunlight. A spring wire 27 is arranged to help the rotating disk 7 to reset; the method comprises the following specific steps: in the initial state, the inner friction section 26 of the rotary disk 7 is located in front of the outer friction section 25 of the inner glass tube 17, while the spring wire 27 is not deformed, i.e. is not pulled; when sunlight irradiates, the water temperature rises, and the flowing water pushes the rotating disc 7, so that the inner friction section 26 of the rotating disc 7 immediately rotates towards the outer friction section 25, and the spring wire 27 is pulled up; assuming sunshine duration from 6 to 18 points; the moment generated by the tension of the spring wire 27 on the rotating disk 7 in the period is positive M, and the rotating disk 7 is prevented from rotating; after daytime sunshine, the rotating disk 7 rotates 180 degrees; at this time, the moment generated by the tension of the spring wire 27 on the rotating disk 7 becomes negative M; the spring wire 27 at this time acts to rotate the rotating disk 7, pulling the rotating disk 7 to continue rotating. In the specific design, if the starting point of the outer friction section 25 of the inner glass tube 17 is 0 degree, the angle of the position of the spring wire 27 is-t degree; if t is 1 to 20; at the moment of 6 days, the rotating disk 7 rotates t degrees first, so that the inner friction section 26 reaches 0 degrees first; by 18 o' clock, the rotating disk 7 rotates by (t + 180) degrees; the direction of the moment of the rotating disk 7 is changed by the spring wire 27, and at this time, the rotating disk 7 can be continuously pulled to rotate along the original direction by the moment of the spring wire 27 to the rotating disk 7 until the rotating disk 7 is reset. The spring wire 27 can be connected with the inner glass tube 17 and the rotating disc 7 respectively in a bonding mode.

Referring to fig. 9, further, the middle of the transparent sleeve 10 is provided with a light inlet notch 28.

When the sunlight is projected, in order to reduce the absorption, refraction or reflection of the transparent sleeve 10 to the sunlight, the middle part of the transparent sleeve 10 is provided with a notch in the technical scheme; the notch is a portion where the light reflecting layer 21 is not provided. After the gap is formed, the reflective layer 21 can be conveniently installed, and the reflective layer 21 can be connected with the inner side surface of the transparent sleeve 10 in an adhesion mode. The light reflecting layer 21 may be a light reflecting film.

Further, the lower end of the transparent sleeve 10 is movably connected with the base body 1, and the transparent sleeve 10 can rotate relative to the base body 1.

The lower end of the transparent sleeve 10 can be movably connected with the base body 1 through a bearing. Of course, the magnet can be connected with the seat body 1; by providing the upper magnet 13 on the transparent sleeve 10, the lower magnet 14 repelling it and the insertion hole for positioning the transparent sleeve 10 are provided on the base body 1. Such as:

see fig. 1, 3; preferably, the lower end of the transparent sleeve 10 is connected with a lower support 12, the lower support 12 is provided with a mounting hole, the upper magnet 13 is arranged in the mounting hole, and the lower magnet 14 is arranged below the jack of the seat body 1; the base body 1 is provided with an insertion hole, and the transparent sleeve 10 is inserted into the insertion hole and suspended in the insertion hole. The friction force is reduced by suspension.

Preferably, the rotation through-hole 23 has an arc shape.

When the rotary through hole 23 is arranged, the shape of the rotary through hole 23 is equivalent to the shape of a clearance hole between two adjacent turbine blades on the hull turbine; when the water flow passes, the thrust obtained by the rotating disc 7 is maximum, and the rotating disc 7 can be driven to rotate.

Further, water tank 2 is equipped with casing 3 outward, and casing 3 is equipped with and goes up the connecting hole with transparent sleeve 10 matched with, and the connecting hole is inserted to the upper end of transparent sleeve 10, the upper end of transparent sleeve 10 is connected with supporter 5, goes up supporter 5 and is connected with vice magnet 6, and casing 3 is equipped with main magnet 4 with vice magnet 6 matched with.

The auxiliary magnet 6 is matched with the main magnet 4 and is used for supporting the transparent sleeve 10 in an auxiliary mode, so that the acting force between the transparent sleeve 10 and the shell 3 is small or zero, and the friction force between the transparent sleeve 10 and the shell 3 is reduced. As a variant, one of the secondary magnet 6, the primary magnet 4 may be replaced with iron.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (8)

1. A solar water heater comprises a seat body, a water tank and a vacuum tube connected with the water tank, wherein the water tank is fixed at the upper end of the seat body, the upper end of the vacuum tube is connected with the water tank, the vacuum tube comprises an outer glass tube and an inner glass tube, and a heat absorption layer is coated outside the inner glass tube; a vacuum cavity is formed between the outer glass tube and the inner glass tube; the middle part of the middle section of the inner glass tube is provided with a glass partition board arranged along the length direction of the inner glass tube, the glass partition board divides the inner glass space into a hot water space and a cold water space, the hot water space is positioned above the cold water space, and the hot water space and the cold water space are communicated at the bottom of the inner glass tube; the upper end of the inner glass tube extends out of the outer glass tube to form a connecting section, and the glass tube connecting device is characterized in that: the connecting section is internally sleeved with a rotating assembly, the rotating assembly comprises a rotating disk, the middle part of the rotating disk is provided with a rotating shaft, the rotating shaft is inserted into the shaft hole, the rotating disk is provided with a plurality of rotating through holes for driving the rotating disk to rotate, the outer glass tube is sleeved with a transparent sleeve, and one side of the inner side surface of the transparent sleeve is provided with a reflecting layer for reflecting sunlight to the vacuum tube; a connecting structure is arranged between the transparent sleeve and the rotating disc; the rotating disc drives the transparent sleeve to rotate and the rotation of the transparent sleeve and the transparent sleeve is kept consistent; the side of the rotating disk is provided with an inner friction section, the inner glass tube is provided with an outer friction section matched with the inner friction section, when the inner friction section is contacted with the outer friction section, friction force exists between the rotating disk and the inner glass tube, and the inner friction section and the outer friction section are both arc-shaped surfaces.

2. A solar water heater according to claim 1, wherein: the rotating disk is provided with an inner magnet, and the transparent sleeve is provided with an outer magnet matched with the inner magnet.

3. A solar water heater according to claim 1, wherein: the upper end of the rotating disc of the inner glass tube is connected with a spring wire, the lower end of the spring wire is connected with the rotating disc, and when the spring wire is in an initial state, the inner friction section of the rotating disc is located in front of the outer friction section of the inner glass tube.

4. A solar water heater according to claim 1, wherein: and the middle part of the transparent sleeve is provided with a light inlet notch.

5. A solar water heater according to claim 1, wherein: the lower end of the transparent sleeve is movably connected with the base body, and the transparent sleeve can rotate relative to the base body.

6. A solar water heater according to claim 5, wherein: the transparent sleeve is provided with an upper magnet, the seat body is provided with a lower magnet which is repelled with the transparent sleeve and a jack for positioning the transparent sleeve, the lower end of the transparent sleeve is connected with a lower support body, the lower support body is provided with a mounting hole, the upper magnet is arranged in the mounting hole, and the seat body is provided with the lower magnet below the jack; the base body is provided with an insertion hole, and the transparent sleeve is inserted into the insertion hole and suspended in the insertion hole.

7. A solar water heater according to claim 1, wherein: the rotating through hole is arc-shaped.

8. A solar water heater according to claim 1, wherein: the water tank is externally provided with a shell, the shell is provided with an upper connecting hole matched with the transparent sleeve, the upper end of the transparent sleeve is inserted into the upper connecting hole, the upper end of the transparent sleeve is connected with an upper supporting body, the upper supporting body is connected with an auxiliary magnet, and the shell is provided with a main magnet matched with the auxiliary magnet.

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