阅读说明：本技术 一种太阳能热水器冬季防冻装置 (Winter anti-freezing device of solar water heater ) 是由 李凤英 于 2020-06-16 设计创作，主要内容包括：本发明公开了一种太阳能热水器冬季防冻装置,包括储水箱,储水箱的底部设有导水管,储水箱的内顶壁上还设有固定管,固定管上设有第一波纹管,固定管上还设有气孔,第一波纹管上设有连接头,连接头能够与导水管连接,连接头的内部设有第一腔体,第一腔体与第一波纹管连通,连接头的末端面上设有导向杆和通孔,导向杆移动与连接头连接,另一端伸入至导水管内,导水管内还设有固定板,固定板上还设有漏孔,固定板与连接头之间还设有第一弹性件,第一波纹管内还设有第二波纹管。本发明待使用完热水器后,能够将导水管内的水排空,避免导水管发生冻裂,同时能够对储水箱内的污垢进行清理,避免污垢堵塞排水导水管。(The invention discloses a winter anti-freezing device of a solar water heater, which comprises a water storage tank, wherein the bottom of the water storage tank is provided with a water guide pipe, the inner top wall of the water storage tank is also provided with a fixed pipe, the fixed pipe is provided with a first corrugated pipe, the fixed pipe is also provided with an air hole, the first corrugated pipe is provided with a connector, the connector can be connected with the water guide pipe, the interior of the connector is provided with a first cavity, the first cavity is communicated with the first corrugated pipe, the tail end face of the connector is provided with a guide rod and a through hole, the guide rod moves to be connected with the connector, the other end of the guide rod extends into the water guide pipe, the water guide pipe is also provided with a fixed plate, the fixed plate is also provided with a leak hole. After the water heater is used, water in the water guide pipe can be emptied, the water guide pipe is prevented from being frozen and cracked, dirt in the water storage tank can be cleaned, and the water guide pipe is prevented from being blocked by the dirt.)

1. A solar water heater anti-freezing device in winter is characterized by comprising a water storage tank (4), wherein a water guide pipe (1) is arranged at the bottom of the water storage tank (4), the top end of the water guide pipe (1) is flush with the bottom end of the water storage tank (4), a fixed pipe (8) is further arranged on the inner top wall of the water storage tank (4), the axis of the fixed pipe (8) and the axis of the water guide pipe (1) are located on the same straight line, one end of the fixed pipe (8) is fixed with the inner top wall of the water storage tank (4), a first corrugated pipe (6) is arranged at the other end of the fixed pipe, the first corrugated pipe (6) can stretch along the axis direction of the water guide pipe (1), a plurality of air holes (7) communicated with the inside are further arranged on the outer wall of the circumference of the fixed pipe (8), one end of the first corrugated pipe (6) is connected with the fixed pipe (8), a connector (5) matched, the connecting head (5) can be connected with the water guide pipe (1), the inside of the connecting head (5) is provided with a first cavity (14), the first cavity (14) is communicated with a first corrugated pipe (6), the connecting head (5) is provided with a guide rod (25) and a plurality of through holes (13) on the end face facing the direction of the water guide pipe (1), the through holes (13) are communicated with the first cavity (14), the guide rod (25) is moved to be connected with the connecting head (5), the other end of the guide rod extends into the water guide pipe (1), the water guide pipe (1) is further internally provided with a fixed plate (2), the guide rod (25) penetrates through the fixed plate (2), the fixed plate (2) is further provided with a plurality of leakage holes (26), a first elastic piece (3) is further arranged between the fixed plate (2) and the connecting head (5), and the first elastic piece (3) is sleeved on the guide rod (25), a second corrugated pipe (12) is further arranged in the first corrugated pipe (6), one end of the second corrugated pipe (12) is hermetically connected with the fixed pipe (8), and the other end of the second corrugated pipe is hermetically connected with the connector (5); still include first inflation mechanism (11), be equipped with first trachea (9) on first inflation mechanism (11), first trachea (9) and second bellows (12) intercommunication.

2. The solar water heater anti-freezing device in winter as claimed in claim 1, wherein both sides of the connector (5) are provided with a limiting groove (18), both sides of the inner wall of the water conduit (1) are provided with a first groove, the first groove is provided with a third elastic member (20), the third elastic member (20) is provided with a limiting ball (22) matched with the limiting groove (18), and the limiting ball (22) can be inserted into the limiting groove (18).

3. The solar water heater anti-freezing device in winter as claimed in claim 2, wherein a second cavity (19) is further arranged in the connector (5), push rods (17) are arranged on both sides of the inner wall of the second cavity (19), one end of each push rod (17) extends into the second cavity (19), the other end of each push rod (17) is located in the corresponding limiting groove (18), a movable rod (15) with a conical structure is further arranged in the second cavity (19), the diameter of each movable rod (15) is gradually reduced along the direction of the corresponding push rod (17), the maximum diameter of each movable rod (15) is consistent with the inner diameter of the corresponding second cavity (19), and the movable rods (15) can move towards the direction of the corresponding push rods (17) to push the corresponding push rods (17) to extend out of the corresponding limiting grooves (18).

4. A winter anti-freezing device for a solar water heater according to claim 3, characterized by further comprising a second air inflation mechanism (11), wherein a second air pipe (10) is arranged on the second air inflation mechanism (11), and the second air pipe (10) is communicated with a second cavity (19) of the connector (5); a second elastic piece (16) is further arranged on the inner bottom of the second cavity (19), and the second elastic piece (16) is connected with the movable rod (15).

5. The solar water heater anti-freezing device in winter as claimed in claim 1, wherein a first conical surface (21) is further arranged in the water conduit (1), and a second conical surface (27) matched with the first conical surface (21) is further arranged on the end surface of the connector (5) facing the direction of the water conduit (1).

6. A winter freeze protection device for solar water heater according to claim 1, characterized in that a second groove is further provided in the conduit (1), and a sealing ring (24) matching with the connector (5) is further provided in the second groove.

7. A winter protection device for solar water heater according to claim 6, characterized in that an elastic gasket (23) is also arranged in the second groove, the elastic gasket (23) is above the sealing ring (24).

Technical Field

The invention relates to the technical field of solar water heaters, in particular to a winter anti-freezing device of a solar water heater.

Background

A solar water heater is a device that heats water using sunlight. The solar water heater is classified into a vacuum tube type solar water heater and a flat plate type solar water heater, and the vacuum tube type solar water heater occupies 95% of domestic market share. The vacuum tube type domestic solar water heater is composed of heat collecting tube, water storage tank and support, and can convert solar energy into heat energy, and mainly depends on the vacuum heat collecting tube, and utilizes the principle of that hot water floats upwards and cold water sinks to make water produce microcirculation to obtain the required hot water. The solar water heater is composed of a vacuum heat collecting pipe, a stainless steel water tank and a support, is a large industry in solar energy achievement application, provides a novel water heater product which is environment-friendly, safe, energy-saving and sanitary for common people, absorbs solar radiation heat energy, and heats cold water to provide energy-saving equipment for people in life and production. The common solar water heater is fixed on the roof of a common building according to a certain angle, and because the water storage tank of the solar water heater is exposed outdoors, a water pipe from the outlet of the water tank to the roof is very easy to freeze in winter, which affects the use of hot water by users, and more seriously, the water pipe can be frozen and cracked, and a large amount of water sources are wasted, so that the pipeline is prevented from freezing, and the water is normally discharged, usually, the pipeline is wrapped with an insulating layer or is provided with a heating device, but the former method can not effectively prevent the pipeline from not freezing, and the latter consumes a power supply and does not save energy; and the water tank is used for a long time, dirt generated in the water tank is easy to block a water pipe, and the water in the water tank cannot be discharged.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects in the prior art, and the invention aims to provide the solar water heater anti-freezing device in winter, after the water heater is used, water in the water guide pipe can be emptied, the water guide pipe is prevented from being frozen and cracked, meanwhile, dirt in the water storage tank can be cleaned, and the water guide pipe is prevented from being blocked by the dirt.

The invention is realized by the following technical scheme:

a solar water heater anti-freezing device in winter comprises a water storage tank, wherein a water guide pipe is arranged at the bottom of the water storage tank, the top end of the water guide pipe is flush with the bottom end of the water storage tank, a fixing pipe is further arranged on the inner top wall of the water storage tank, the axis of the fixing pipe and the axis of the water guide pipe are located on the same straight line, one end of the fixing pipe is fixed to the inner top wall of the water storage tank, a first corrugated pipe is arranged at the other end of the fixing pipe and can stretch along the axis direction of the water guide pipe, a plurality of air holes communicated with the inside are further formed in the outer circumferential wall of the fixing pipe, one end of the first corrugated pipe is connected with the fixing pipe, a connector matched with the water guide pipe is arranged at the other end of the first corrugated pipe and can be connected with the water guide pipe, a first cavity is arranged inside the connector and is communicated with the first corrugated pipe, the through holes are communicated with the first cavity, the guide rod moves to be connected with the connector, the other end of the guide rod extends into the water guide pipe, a fixed plate is further arranged in the water guide pipe, the guide rod penetrates through the fixed plate, a plurality of leakage holes are further formed in the fixed plate, a first elastic piece is further arranged between the fixed plate and the connector, the first elastic piece is sleeved on the guide rod, a second corrugated pipe is further arranged in the first corrugated pipe, one end of the second corrugated pipe is connected with the fixed pipe in a sealing mode, and the other end of the second corrugated pipe is connected with the connector in a sealing mode; still include first inflation mechanism, be equipped with first trachea on the first inflation mechanism, first inflation mechanism is the air pump, first trachea and second bellows intercommunication.

Aiming at the problems that the existing solar water heater is arranged outdoors, so that one part of a water guide pipe connected with the indoor is arranged outdoors, after the solar water heater is used up, the water in the water guide pipe cannot be drained out, so that one part of water is left in the water guide pipe, and when the water stays in the water guide pipe is easy to freeze and cause the blockage or the rupture of the water guide pipe in winter, a fixed pipe is arranged in the existing water storage tank of the technical scheme, a telescopic corrugated pipe is arranged on the fixed pipe, gas is conveyed into a first corrugated pipe by utilizing an external first air inflation mechanism, and the corrugated pipe has the telescopic characteristic, so that after the gas enters a second corrugated pipe, the second corrugated pipe can be forced to stretch towards the water guide pipe along with the gradual increase of the air pressure in the second corrugated pipe, the first corrugated pipe is driven to move along with the water guide pipe, and a connector on the first corrugated pipe moves along with the water guide pipe, finally, the connector is connected with the water guide pipe, at the moment, under the action of the connector, the water guide pipe and the first corrugated pipe are in a communicated state, the water guide pipe and the water storage tank are in a disconnected state, because the air hole arranged on the fixed pipe is positioned above the highest liquid level of the water storage tank, under the action of atmospheric pressure, the water staying in the water guide pipe can be completely drained without draining the water in the water storage tank, when the water in the water storage tank needs to be used, the gas filled into the second corrugated pipe is drained by utilizing the first air inflation mechanism, because the corrugated pipe has certain elasticity, the corrugated pipe can retract towards the initial state, and simultaneously under the action of the first elastic piece, the connector can be pushed to move out of the water guide pipe, so that the connector and the water storage tank are in a communicated state, and the water in the water storage tank can be drained through the drain pipe, the hot water in the water storage tank can be conveniently and normally used.

When the existing water storage tank is used, when water stored in the tank is heated by solar energy, dirt is generated and attached to the bottom of the tank body, after the existing water storage tank is used for a long time, the attached thickness of the dirt is gradually increased, so that a water guide pipe is easily blocked, and the water in the water storage tank cannot be normally discharged through the water guide pipe, therefore, the technical scheme is that a guide rod for dredging the water guide pipe is further arranged at the bottom of a connector, the guide rod penetrates through the communication position between the water guide pipe and the water storage tank, when a first corrugated pipe drives the connector to be in butt joint or disconnection with the water guide pipe, the guide rod on the bottom of the connector can move up and down at the communication position between the water guide pipe and the water storage tank, so that the guide rod can loosen the dirt attached to the communication position between the water storage tank and the water guide pipe in the process of moving up, finally, the water pipe is used for discharging, so that the cleaning effect on the dirt at the water storage tank and the water pipe is realized, the condition that the dirt blocks the water discharging and guiding pipe is avoided, therefore, in the actual using process, the guide rod arranged is utilized to regularly clean the dirt in the water storage tank, a user only needs to repeatedly ventilate and exhaust the second corrugated pipe, the connector reciprocates in the water storage tank, the guide rod is driven to shake up and down in the water pipe, and the purpose of dredging the dirt is realized.

The guide rod arranged in the technical scheme is used for cleaning dirt at the communicated part of the water storage tank and the water guide pipe on one hand, and on the other hand, the corrugated pipe is soft and the first corrugated pipe is soaked in water power in the water storage tank, when the first corrugated pipe moves up and down in the water storage tank, the first corrugated pipe is easy to deflect and cannot move along a straight line direction, so that the connector cannot be accurately butted with the water guide pipe, the other side of the guide rod arranged can also play a certain guiding role on the first corrugated pipe, and under the action of a fixing plate arranged in the water guide pipe, the guide rod can be ensured to move along the straight line direction, so that the connector can be ensured to move along the straight line direction, and the condition that the connector cannot accurately butt the water guide pipe is avoided; simultaneously, set up first elastic component on fixed plate and connector on the one hand and can play certain supporting role to the connector, when the connector removes towards the aqueduct direction, first elastic component is in by compression state, thereby make after the gas discharge in the second bellows, the first elastic component that is in compression state can force the connector to separate with the aqueduct fast, another is convenient, because first elastic component is the spring, its cover is established on the guide bar, when the guide bar reciprocates and clears up the dirt in the storage water tank, the first elastic component that sets up also can act on the dirt, force the dirt piece that the dirt extrudees to comparatively fritter, discharge through the aqueduct, thereby the cleaning effect to the dirt has been improved.

Furthermore, the both sides of connector all are equipped with the spacing groove, the inner wall both sides of aqueduct all are equipped with first recess, all be equipped with the third elastic component in the first recess, be equipped with the spacing ball that matches with the spacing groove on the third elastic component, spacing ball can insert to the spacing inslot.

In order to improve the connecting capacity between the connector and the water guide pipe, the third elastic piece and the limiting ball are arranged in the water guide pipe, when the limiting groove on the connector moves to the limiting ball, the limiting ball can be pushed to be clamped into the limiting groove under the action of the third elastic piece, so that the connector is fixed in the water guide pipe, and the water guide pipe is prevented from being separated from the connector automatically.

Further, still be equipped with the second cavity in the connector, second cavity inner wall both sides all are equipped with the push rod, push rod one end stretches into in the second cavity, and the other end is located the spacing inslot, still be equipped with the movable rod of conical structure in the second cavity, the diameter of movable rod reduces along the push rod direction gradually to the maximum diameter of movable rod is unanimous with the internal diameter of cavity, the movable rod can remove towards the push rod direction, promotes the push rod and stretches out from the spacing groove. The second inflation mechanism is provided with a second air pipe, and the second air pipe is communicated with a second cavity of the connector; and a second elastic piece is also arranged on the inner bottom of the second cavity and is connected with the movable rod.

When the connector and the aqueduct need to be separated, gas is introduced into the second air pipe by utilizing an external second inflation mechanism, the gas enters the second cavity through the second air pipe, the movable rod is forced to move towards the direction of the push rod as the diameter maximum end of the movable rod is in sealed connection with the second cavity, and the outer wall of the conical structure of the movable rod can push the push rod to gradually extend towards the direction of the limiting groove in the moving process of the movable rod, so that the limiting ball positioned in the limiting groove is ejected out and retracts into the first groove of the aqueduct, and at the moment, the aqueduct and the connector can be separated under the action of the first elastic piece; when the gas introduced into the second cavity is exhausted, the movable rod can be forced to move towards the direction away from the push rod under the action of the second elastic piece, so that the acting force on the push rod is removed.

Furthermore, a first conical surface is further arranged in the water guide pipe, and a second conical surface matched with the first conical surface is further arranged on the end face of the connector facing the direction of the water guide pipe.

In order to improve the sealing property between the connector and the water guide pipe, a first conical surface and a second conical surface are arranged, so that the connector and the water guide pipe can be tightly connected, and the water in the water storage tank is prevented from leaking through a gap between the connector and the water guide pipe; when the first conical surface and the second conical surface are tightly attached, the limiting ball is just positioned in the limiting groove, and the sealing performance of the first conical surface and the second conical surface is improved.

Further, still be equipped with the second recess in the aqueduct, still be equipped with the sealing washer that matches with the connector in the second recess.

The first sealing ring further improves the sealing effect between the connector and the water guide pipe.

Furthermore, an elastic gasket is arranged in the second groove and is positioned above the sealing ring.

The elastic gasket who sets up is used for spacing the sealing washer, avoids connector and aqueduct plug in-process, and the sealing washer removes in the second recess to the leakproofness between connector and the aqueduct has been improved.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. according to the winter anti-freezing device for the solar water heater, when solar water is used and water in the water guide pipe needs to be drained, the first air inflation mechanism is utilized to easily inflate the air in the second corrugated pipe, so that the first corrugated pipe drives the connector to move towards the water guide pipe in the water storage tank and is finally inserted into the water guide pipe, the water guide pipe and the corrugated pipe are in a communicated state, the water storage tank and the water guide pipe are in a disconnected state, the water in the water guide pipe can be drained out smoothly, the water in the water storage tank cannot be drained away, and the situation that the water guide pipe is blocked or frost crack in winter is avoided;

2. according to the winter anti-freezing device of the solar water heater, when hot water in the water storage tank needs to be normally used, the first air inflation mechanism is used for discharging the gas introduced into the second corrugated pipe, and the connector inserted into the water guide pipe can be forced to move upwards quickly under the action of the first elastic piece, so that the water guide pipe and the water storage tank are in a communicated state, and the hot water in the water storage tank can be discharged for use through the water guide pipe;

3. according to the solar water heater anti-freezing device in winter, the first corrugated pipe and the second corrugated pipe are arranged to force the connector to reciprocate up and down in the water storage tank, the guide rod is driven to move along with the connector in the process of reciprocating up and down, so that dirt deposited at the joint of the water storage tank and the water guide pipe is loosened, the water guide pipe is prevented from being blocked by the dirt, meanwhile, the guide rod can play a certain role in guiding the first corrugated pipe to ensure that the first corrugated pipe moves in the linear direction, and the situation that the connector and the water guide pipe cannot be accurately butted is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of another embodiment of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

FIG. 4 is a schematic structural diagram of a connector according to the present invention;

FIG. 5 is a schematic view of the structure of the water guiding pipe of the present invention;

FIG. 6 is a schematic view of the interior of a first bellows according to the present invention;

fig. 7 is a schematic structural view of the fixing plate of the present invention.

Reference numbers and corresponding part names in the drawings:

1-a water guide pipe, 2-a fixing plate, 3-a first elastic part, 4-a water storage tank, 5-a connector, 6-a first corrugated pipe, 7-an air hole, 8-a fixing pipe, 9-a first air pipe, 10-a second air pipe, 11-a first inflation mechanism, 12-a second corrugated pipe, 13-a through hole, 14-a first cavity, 15-a movable rod, 16-a second elastic part, 17-a push rod, 18-a limiting groove, 19-a second cavity, 20-a third elastic part, 21-a first conical surface, 22-a limiting ball, 23-an elastic gasket, 24-a sealing ring, 25-a guide rod, 26-a leakage hole and 27-a second conical surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.