Solar water heater with evacuated collector tubes easy to disassemble

Abstract

The utility model discloses a solar water heater with evacuated collector tubes easy to disassemble. The solar water heater comprises a heat preservation barrel, an upper water pipeline, a lower water pipeline, a plurality of evacuated collector tubes and a support, wherein the upper water pipeline and the lower water pipeline are arranged on the heat preservation barrel, the evacuated collector tubes are obliquely arranged on the heat preservation barrel, and the support is used for supporting the heat preservation barrel and the evacuated collector tubes. A water inlet of the heat preservation barrel is a buoyancy water replenishing device provided with a cut-off device, a connecting pipe is arranged on the heat preservation barrel, the connecting pipe is detachably connected with the vacuum heat collecting pipes, a pipe disassembling base used for supporting the bottoms of all the vacuum heat collecting pipes is fixedly arranged on the support, and a valve is arranged on the connecting pipe. The connecting pipes are connected with the vacuum heat collecting pipes, the valves on the corresponding connecting pipes are closed when the vacuum heat collecting pipes are replaced, the vacuum heat collecting pipes are independently detached, and the valves are opened after the vacuum heat collecting pipes are replaced with new vacuum heat collecting pipes, so that the replacement of the vacuum heat collecting pipes is completed; butt joint and separation of the evacuated collector tube and the connecting tube are controlled by the tube dismounting base through bolts, so that tube dismounting is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar water heater equipment technical field, concretely relates to a solar water heater of vacuum heat collecting pipe easy to disassemble. BACKGROUND

[0002] Solar water heater converts solar energy into heat energy, heats water from low temperature to high temperature to meet people's hot water use in life and production. Household solar water heater of vacuum tube is composed of heat collecting pipe, water storage tank and support and other related accessories, and converts solar energy into heat energy mainly by relying on heat collecting pipe. Heat collecting pipe uses the principle that hot water floats and cold water sinks to make water produce microcirculation to heat water. The core component of heat collecting pipe solar water heater is the outer tube of heat collecting pipe, which is made of glass material. Therefore, the heat collecting pipe is relatively fragile and has poor impact resistance. In addition, after long-term use, the heat absorption coating is consumed, the pipe is scaled and cracked, which will cause the vacuum tube to fail, and the damaged vacuum tube needs to be replaced. The current solar water heater needs to empty the hot water in the heat preservation barrel when replacing the vacuum tube, causing a large amount of water resource waste. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a solar water heater of vacuum heat collecting pipe easy to disassemble, which solves the problems in the background art.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: a solar water heater of vacuum heat collecting pipe easy to disassemble, comprising: a heat preservation barrel, an up and down water pipeline provided on the heat preservation barrel, a plurality of inclined vacuum heat collecting pipes provided on the heat preservation barrel, and a support supporting the heat preservation barrel and the vacuum heat collecting pipes; a water inlet of the heat preservation barrel is a buoyancy water replenisher provided with a cut-off device, a connecting pipe is provided on the heat preservation barrel, the connecting pipe is detachably connected with the vacuum heat collecting pipes, a pipe dismounting base supporting the bottom of all the vacuum heat collecting pipes is fixedly provided on the support, and a valve is provided on the connecting pipe.

[0005] Preferably, the cut-off device is provided in a union joint of the buoyancy water replenisher, and a filter gasket is provided at an inlet end of the union joint.

[0006] Preferably, the cut-off device comprises a circular pipe, a circular sheet concentrically provided at one end of the circular pipe, and a first circular ring concentrically provided at the other end of the circular pipe, a circular hole is provided on a side wall of the circular pipe, and a notch is provided on a side wall of the circular sheet.

[0007] Preferably, the connecting pipe is inclinedly provided on a side wall of the heat preservation barrel, a first semicircular pipe supporting sheet is provided at a lower end of the connecting pipe, a second circular ring protruding from an inner wall of the connecting pipe is provided, and a rubber ring is provided on the second circular ring.

[0008] Preferably, the pipe dismounting base is a rectangular rod, a slot corresponding to the vacuum heat collecting pipe is arranged on the side wall of the rectangular rod, a threaded hole is arranged at the bottom of the slot, a rubber gasket is arranged in the slot, a bolt is arranged in the threaded hole and is rotationally connected with the rubber gasket, and a second semicircular pipe supporting piece is arranged at the entrance of the slot.

[0009] Compared with the prior art, the solar water heater with easily dismountable vacuum heat collecting pipes has the following beneficial effects:

[0010] 1. The solar water heater with easily dismountable vacuum heat collecting pipes adopts a connecting pipe to connect the vacuum heat collecting pipes, a valve is arranged on the connecting pipe, the valve on the corresponding connecting pipe is closed when the vacuum heat collecting pipe is replaced, the vacuum heat collecting pipe is dismounted alone, the valve is opened after the new vacuum heat collecting pipe is replaced, and the replacement of the vacuum heat collecting pipe is completed; the pipe dismounting base uses a bolt to control the butt joint and separation of the vacuum heat collecting pipe and the connecting pipe, so that the pipe dismounting is convenient and fast; and thus the problem that the vacuum heat collecting pipe cannot be replaced until the heat preservation barrel is emptied is solved.

[0011] 2. The solar water heater with easily dismountable vacuum heat collecting pipes is provided with a flow interception device in the union joint of the buoyancy water replenisher, high-pressure water flow directly impacts the sealing rubber gasket of the buoyancy water replenisher, the gravity of the floating ball is insufficient, the piston cannot drive the sealing rubber gasket to form a gap with the valve body outlet, and the water replenishing operation cannot be completed; the flow interception device can reduce the pressure of the water flow on the sealing rubber gasket, so that the sealing rubber gasket can work normally. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the solar water heater with easily dismountable vacuum heat collecting pipes;

[0013] Fig. 2 It is a structural schematic view of the vacuum heat collecting pipe;

[0014] Fig. 3 It is a structural schematic view of the buoyancy water replenisher;

[0015] Fig. 4 It is a structural schematic view of the flow interception device.

[0016] In the drawings: the heat preservation barrel 1, the vacuum heat collecting pipe 2, the support 3, the buoyancy water replenisher 4, the connecting pipe 5, the pipe dismounting base 6, the valve 7, the flow interception device 8, the union joint 9, the filter gasket 10, the circular pipe 11, the first circular ring 12, the circular piece 13, the circular hole 14, the notch 15, the first semicircular pipe supporting piece 16, the second circular ring 17, the rubber ring 18, the slot 19, the rubber gasket 20, the bolt 21, and the second semicircular pipe supporting piece 22. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments.

[0018] Please refer to Figs. 1 to 4 The present embodiment provides a solar water heater with easily detachable vacuum heat collecting tubes, comprising: an insulation barrel 1, water inlet and outlet pipelines arranged on the insulation barrel 1, a plurality of inclined vacuum heat collecting tubes 2 arranged on the insulation barrel 1, a support 3 supporting the insulation barrel 1 and the vacuum heat collecting tubes 2, and a control component constituting the solar water heater; the water inlet of the insulation barrel 1 is a buoyancy water replenisher 4 provided with a flow cutoff device 8, the insulation barrel 1 is provided with a connecting pipe 5, the connecting pipe 5 is detachably connected to the vacuum heat collecting tubes 2, the support 3 is fixedly provided with a pipe detaching base 6 supporting the bottom of all the vacuum heat collecting tubes 2, and the connecting pipe 5 is provided with a valve 7. The insulation barrel 1 is an existing insulation barrel 1. When the vacuum heat collecting tubes 2 are replaced, the valve 7 on the corresponding connecting pipe 5 is closed, the vacuum heat collecting tubes 2 are individually detached, the valve 7 is opened after the new vacuum heat collecting tubes 2 are replaced, and the replacement of the vacuum heat collecting tubes 2 is completed.

[0019] The flow cutoff device 8 is arranged in a union joint 9 of the buoyancy water replenisher 4, and the inlet end of the union joint 9 is provided with a filter gasket 10. The filter gasket 10 is an existing filter device, and the basic components include a rubber ring arranged at the inlet end, a filter screen or a filter cover arranged on the rubber ring. The filter gasket 10 can prevent large-particle impurities from blocking the buoyancy water replenisher 4.

[0020] The flow cutoff device 8 comprises a circular tube 11, a circular sheet 13 concentrically arranged at one end of the circular tube 11, a first circular ring 12 concentrically arranged at the other end of the circular tube 11, a circular hole 14 arranged on the side wall of the circular tube 11, and a notch 15 arranged on the side wall of the circular sheet 13. Water flows into the circular tube 11 from the first circular ring 12, and then flows out of the circular hole 14, and then flows into the valve 7 of the buoyancy water replenisher 4 from the notch 15 after one round around the side wall of the circular tube 11. The pressure impact force of the water flow is reduced after the water flow is cut off.

[0021] The connecting pipe 5 is obliquely arranged on the side wall of the heat preservation barrel 1, the lower end of the connecting pipe 5 is provided with a first semicircular pipe supporting piece 16, the inner wall of the connecting pipe 5 is provided with a protruding second circular ring 17, and the second circular ring 17 is provided with a rubber ring 18. The second circular ring 17 is 5 cm away from the lower end of the connecting pipe 5, the insertion depth of the vacuum heat collecting pipe 2 is limited after being inserted, and the rubber ring 18 can seal the connection between the vacuum heat collecting pipe 2 and the second circular ring 17. The first semicircular pipe supporting piece 16 supports the vacuum heat collecting pipe 2 after the vacuum heat collecting pipe 2 is pulled out of the connecting pipe 5, so that the vacuum heat collecting pipe 2 is prevented from directly falling; the vacuum heat collecting pipe 2 can also be pre-held when being connected to the connecting pipe 5, so that the vacuum heat collecting pipe 2 is stably inserted into the connecting pipe 5. The connecting pipe 5 and the valve 7 are wrapped with a heat preservation layer.

[0022] The pipe dismounting base 6 is a rectangular rod, the side wall of the rectangular rod is provided with an insertion slot 19 corresponding to the vacuum heat collecting pipe 2, the bottom of the insertion slot 19 is provided with a threaded hole, the insertion slot 19 is provided with a rubber pad 20, the threaded hole is provided with a bolt 21 in rotation connection with the rubber pad 20, and the insertion slot 19 is provided with a second semicircular pipe supporting piece 22 at the inlet. The rectangular rod is fixedly connected with the support 3. After the vacuum heat collecting pipe 2 is inserted into the insertion slot 19, the bolt 21 is screwed, the vacuum heat collecting pipe 2 is pushed to move upward and is inserted into the connecting pipe 5 to be in close contact with the rubber ring 18. The rubber pad 20 protects the bottom of the vacuum heat collecting pipe 2, so that the vacuum heat collecting pipe 2 is prevented from being damaged when the bolt 21 rotates. The second semicircular pipe supporting piece 22 has the same effect as the first semicircular pipe supporting piece 16, and the second semicircular pipe supporting piece 22 supports the lower end of the vacuum heat collecting pipe 2. The inner diameter of the insertion slot 19 is greater than the outer diameter of the vacuum heat collecting pipe 2, so that the vacuum heat collecting pipe 2 can be obliquely inserted into the insertion slot 19.

[0023] The device of the solar water heater with the vacuum heat collecting pipe easy to dismount has the advantages that:

[0024] After the vacuum heat collecting pipe 2 is found to be damaged, the valve 7 of the connecting pipe 5 corresponding to the vacuum heat collecting pipe 2 is closed, the lower bolt 21 is screwed, the vacuum heat collecting pipe 2 is caused to slide downward and to be pulled out of the connecting pipe 5, and the damaged vacuum heat collecting pipe 2 is taken off after preparation for anti-scalding; a new vacuum heat collecting pipe 2 is inserted into the insertion slot 19, the upper end is placed on the first semicircular supporting piece, and the bolt 21 is screwed to push the vacuum heat collecting pipe 2 to move upward and to be inserted into the connecting pipe 5 to be in close contact with the rubber ring 18.

[0025] The above is only a preferred specific implementation manner of the device, but the protection scope of the device is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the device concept of the device within the technical range disclosed by the device, and all of them should be covered in the protection scope of the device.

Claims

1. A solar water heater with easily detachable evacuated collector tubes, comprising: The utility model provides a heat preservation bucket (1), the upper and lower water pipeline of being equipped with in the heat preservation bucket (1), a plurality of obliquely equipped vacuum heat collecting pipe (2) in the heat preservation bucket (1), the support (3) of supporting the heat preservation bucket (1) and the vacuum heat collecting pipe (2), its characterized in that the water inlet of heat preservation bucket (1) is the buoyancy water replenisher (4) of being equipped with cut-off device (8), the heat preservation bucket (1) is equipped with connecting pipe (5), the connecting pipe (5) detachably connects the vacuum heat collecting pipe (2), the support (3) is fixedly equipped with the pipe dismounting base (6) of supporting the bottom of all vacuum heat collecting pipe (2), the connecting pipe (5) is equipped with valve (7).

2. A solar energy water heater with easily detachable evacuated collector tubes as claimed in claim 1 wherein, The cut-off device (8) is arranged in the union joint (9) of the buoyancy water replenisher (4), and the inlet end of the union joint (9) is provided with a filter gasket (10).

3. A solar energy water heater with easily detachable evacuated collector tubes as claimed in claim 2 wherein, The cut-off device (8) comprises a circular tube (11), a circular sheet (13) concentrically arranged at one end of the circular tube (11), a first circular ring (12) concentrically arranged at the other end of the circular tube (11), a circular hole (14) arranged on the side wall of the circular tube (11), and a notch (15) arranged on the side wall of the circular sheet (13).

4. A solar energy water heater with easily detachable evacuated collector tubes as claimed in claim 1 wherein, The connecting pipe (5) is obliquely arranged on the side wall of the heat preservation bucket (1), the lower end of the connecting pipe (5) is provided with a first semicircular pipe supporting sheet (16), the inner wall of the connecting pipe (5) is provided with a convex second circular ring (17), and the second circular ring (17) is provided with a rubber ring (18).

5. A solar energy water heater with easily detachable evacuated collector tubes as claimed in claim 4 wherein, The pipe dismounting base (6) is a rectangular rod, the side wall of the rectangular rod is provided with an insertion slot (19) corresponding to the vacuum heat collecting pipe (2), the bottom of the insertion slot (19) is provided with a threaded through hole, the insertion slot (19) is provided with a rubber gasket (20), the threaded through hole is provided with a bolt (21) rotatably connected with the rubber gasket (20), and the insertion slot (19) is provided with a second semicircular pipe supporting sheet (22) at the inlet.

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