CN219494425U

CN219494425U - High-efficiency heat exchange unpowered solar heat collection device

Info

Publication number: CN219494425U
Application number: CN202320743050.3U
Authority: CN
Inventors: 王志伟; 蒋雯雯; 高蒙
Original assignee: Nanjing Kezhifeng Energy Saving Technology Co ltd
Current assignee: Nanjing Kezhifeng Energy Saving Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-08
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a high-efficiency heat exchange unpowered solar heat collection device. The device comprises a bottom frame, wherein a box body is arranged at the upper end of the bottom frame, a solar heating pipe is arranged between the box body and the bottom frame, a ventilation port is arranged on the box body, two sides of the box body are detachably and fixedly connected with end covers, an inlet pipe joint and an outlet pipe joint are arranged on the end covers, an inner pipe is arranged in the box body, two ends of the inner pipe are respectively connected with the inlet pipe joint and the outlet pipe joint, and a plurality of heat exchange fins are arranged on the outer side of the middle part of the inner pipe. According to the utility model, the heat radiating fins are arranged on the outer side of the inner tube to increase the contact area with hot water in the box body, so that the heat exchange efficiency is improved, the inner tube does not need to be arranged in the box body in a surrounding manner, and the stability of the inner tube is improved; the heat radiation fins are arranged in the protective shell at intervals, a plurality of through holes are formed in the protective shell to ensure that no obvious temperature difference exists between the inside and the outside, and meanwhile, the cover body is prevented from being contacted with the heat radiation fins by arranging the limit stop block on the inner tube, and the heat radiation fins cannot be bumped and deformed when the heat radiation fins are arranged in the box body or detached from the box body.

Description

High-efficiency heat exchange unpowered solar heat collection device

Technical Field

The utility model relates to the technical field of unpowered solar heat collection devices, in particular to a high-efficiency heat exchange unpowered solar heat collection device.

Background

Solar water heaters are devices for heating water temperature by sunlight, and can be divided into vacuum tube type solar water heaters and flat type solar water heaters, and are popular in general. The traditional solar water heater is directly used for users to use water in the water tank, and is generally only used for bath and the like because the cleanliness in the water tank cannot be guaranteed for a long time. Can not meet the use requirements of various hot water in life. An unpowered solar device which heats tap water in an inner tube by arranging the inner tube in a box body and connecting the tap water into the inner tube and utilizing hot water heated by solar energy has appeared. During the period, the tap water can not directly contact with the water in the box body, so that the tap water can be prevented from being polluted.

Because the efficiency of utilizing hot water to heat the running water in the inner tube is not high, in order to guarantee out water temperature, prior art generally sets up the inner tube as one, and is encircleing the setting in the box, increases the running time of running water in the inner tube through increasing the length of inner tube, and then ensures out water temperature higher. However, this causes a decrease in stability of the inner tube, and failure due to vibration is likely to occur.

Disclosure of Invention

The utility model aims to provide an efficient heat exchange unpowered solar heat collection device aiming at the defects in the prior art.

In order to achieve the above purpose, the utility model provides a high-efficiency heat exchange unpowered solar heat collection device which comprises a bottom frame, wherein a box body is arranged at the upper end of the bottom frame, a solar heating pipe is arranged between the box body and the bottom frame, a ventilation opening is formed in the box body, two sides of the box body are detachably and fixedly connected with end covers, an inlet pipe joint and an outlet pipe joint are arranged on the end covers, an inner pipe is arranged in the box body, two ends of the inner pipe are respectively connected with the inlet pipe joint and the outlet pipe joint, and a plurality of heat exchange fins are arranged on the outer side of the middle part of the inner pipe.

Further, the heat exchange fins are arranged in the protective shell at intervals, and a plurality of through holes are formed in the protective shell.

Further, the protecting shell comprises a shell body and cover bodies fixed at two ends of the shell body, avoidance holes are formed in positions, corresponding to the inner tubes, of the cover bodies, and two ends of the inner tubes penetrate through the avoidance holes and extend out of the protecting shell body.

Further, limit stops are fixed on the inner pipes at two sides of the heat exchange fins, and the cover body is arranged at the outer sides of the limit stops.

Further, the inner side of the cover body is provided with a convex edge, the convex edge is inserted into the inner sides of the two ends of the shell, and the convex edge is fixedly connected with the two ends of the shell through bolts.

Further, the outside fixedly connected with L type fixed block of lid, fixed block and box inboard bolt fixed connection.

Furthermore, the inner pipes are arranged in parallel, and a transition pipe is respectively connected between the two ends of the inner pipes and the inlet pipe joint and the outlet pipe joint.

Furthermore, a protective sleeve is arranged between the avoidance hole and the inner pipe.

The beneficial effects are that: according to the utility model, the heat radiating fins are arranged on the outer side of the inner tube to increase the contact area with hot water in the box body, so that the heat exchange efficiency is improved, the inner tube does not need to be arranged in the box body in a surrounding manner, and the stability of the inner tube is improved; the heat radiation fins are arranged in the protective shell at intervals, the plurality of through holes are arranged on the protective shell to ensure no obvious temperature difference between the inside and the outside, and meanwhile, the limit stop is arranged on the inner tube to prevent the cover body from contacting with the heat radiation fins, so that the heat radiation fins cannot be bumped and deformed when the heat radiation fins are arranged in the box body or detached from the box body; the protecting shell is fixed in the box body through the fixed block arranged on the outer side of the cover body, has a certain bearing effect on the inner tube, and further improves stability.

Drawings

FIG. 1 is a schematic diagram of the front view structure of a high efficiency heat exchanging unpowered solar heat collecting device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial perspective view of an embodiment of the present utility model of a localized high efficiency heat exchanging unpowered solar heat collector;

FIG. 3 is a schematic view of the partial enlarged structure of the area A in FIG. 2;

fig. 4 is a schematic diagram of a fitting structure of a cover and an inner tube according to an embodiment of the present utility model.

Detailed Description

The utility model will be further illustrated by the following drawings and specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, the embodiment of the utility model provides a high-efficiency heat exchange unpowered solar heat collection device, which comprises a bottom frame 1, wherein a box body 2 is arranged at the upper end of the bottom frame 1, a solar heating pipe 3 is arranged between the box body 2 and the bottom frame 1, the solar heating pipe 3 is preferably a hollow heat collection pipe, the hollow heat collection pipe is obliquely arranged, water in the hollow heat collection pipe can be heated by solar energy, and the interior of the hollow heat collection pipe is communicated with a water tank 2, so that the water in the water tank 2 is also heated. The box body 2 is provided with a ventilation opening 4, and the box body 2 is of a three-layer structure and comprises an outer box body, a heat preservation layer and an inner box body from outside to inside in sequence. The end covers 5 are detachably and fixedly connected to the two sides of the box body 2, the end covers 5 are preferably fixed to the two ends of the box body 2 through a plurality of bolts, sealing gaskets are arranged between the end covers 5 and the box body 2, and leakage of water in the box body 2 from between the box body 2 and the end covers 5 is avoided. An inlet pipe joint 6 and an outlet pipe joint 7 are arranged on the end cover 5, and the inlet pipe joint 6 and the outlet pipe joint 7 are used for being connected with a tap water inlet pipe and a tap water outlet pipe respectively. An inner pipe 8 is arranged in the box body 2, two ends of the inner pipe 8 are respectively connected with an inlet pipe joint 6 and an outlet pipe joint 7, tap water in a tap water inlet pipe flows into the inner pipe 8 through the inlet pipe joint 6, and the tap water in the inner pipe 8 is heated by hot water in the box body 2, so that tap water with higher temperature flows from the outlet pipe joint to a tap water outlet pipe, and is supplied to a water using position of a user through a tap water outlet pipe. In order to improve the heat exchange efficiency, a plurality of heat exchange fins 9 are arranged on the outer side of the middle part of the inner tube 8.

The heat exchange fins 9 can increase the contact area between the inner tube 8 and the hot water in the box body 2, but the thickness is thinner, and the heat exchange fins 9 are easy to collide and deform, and in order to prevent the heat exchange fins 9 from being damaged in the process of loading into the box body 2 or detaching from the box body 2, the heat exchange fins 9 are preferably arranged in a protective shell at intervals, and a plurality of through holes 10 are arranged on the protective shell. The through holes 10 can ensure that no obvious temperature difference exists between the water inside and outside the protective shell, and the through holes 10 are preferably a plurality of strip-shaped holes arranged in an array.

Specifically, the protective shell comprises a shell 11 and a cover body 12, and the cover body 12 is fixed at two ends of the shell 11. For easy fixing, it is preferable that the inner side of the cover 12 is provided with a flange 121, the flange 121 is inserted into the inner sides of both ends of the housing 11, a threaded hole is provided in the flange 121, a socket is provided in the housing 11 at a position corresponding to the threaded hole, and a bolt is inserted into the threaded hole through the socket, thereby fixing the cover 12 to the housing 11. The receptacle is preferably a kidney-shaped hole for ease of installation. The cover body 12 is provided with avoidance holes at positions corresponding to the inner tube 8, and two ends of the inner tube 8 penetrate through the avoidance holes to extend out of the outer side of the protective shell, so that in order to protect the inner tube 8, a protective sleeve is preferably arranged between the avoidance holes and the inner tube, and a protective sleeve 13 made of silica gel or rubber can be adopted.

In order to prevent the cover 12 from contacting the heat exchange fins 9, a limit stop 14 is fixed to the inner tube 8 at both sides of the heat exchange fins 9, and the cover 12 is disposed outside the limit stop 14.

The protecting shell is preferably fixedly arranged in the box body 2, and is preferably fixedly connected with a fixing block 15 at the outer side of the cover body 12, the fixing block 15 is L-shaped, and the fixing block 15 is fixedly connected with the inner side of the box body 2 through bolts. Specifically, the inner case is preferably a stainless steel case, and the bolts for connecting with the fixing blocks 15 may be welded to the inner case in advance, and fixing grooves are provided in positions on the fixing blocks 15 corresponding to the bolts, and the bolts are provided through the fixing grooves and fixed by nuts when being installed.

The inner tubes 8 are preferably a plurality of inner tubes 8 which are arranged in parallel, a transition tube 16 is respectively connected between two ends of the inner tubes 8 and the inlet tube joint 6 and the outlet tube joint 7, the transition tube 16 connected with the inlet tube joint 6 has a shunting function, and the transition tube 16 connected with the outlet tube joint 7 has a converging function.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to a person of ordinary skill in the art. Modifications and alterations may be made without departing from the principles of this utility model, and such modifications and alterations should also be considered as being within the scope of the utility model.

Claims

1. The utility model provides a high-efficient heat transfer unpowered solar heat collector, its characterized in that, includes the chassis, the chassis upper end is equipped with the box, solar heating pipe between box and the chassis, be equipped with ventilative mouth on the box, and its both sides can dismantle fixedly connected with end cover, be equipped with into coupling and exit tube joint on the end cover, be equipped with the inner tube in the box, the both ends of inner tube are connected with into coupling and exit tube joint respectively, the middle part outside of inner tube is equipped with a plurality of heat transfer fins.

2. The efficient heat exchange unpowered solar heat collection device according to claim 1, wherein the heat exchange fins are arranged in a protective shell at intervals, and a plurality of through holes are formed in the protective shell.

3. The efficient heat exchange unpowered solar heat collection device according to claim 2, wherein the protecting shell comprises a shell and cover bodies fixed at two ends of the shell, the cover bodies are provided with avoidance holes at positions corresponding to the inner tubes, and two ends of the inner tubes penetrate through the avoidance holes and extend out of the protecting shell.

4. The efficient heat exchange unpowered solar heat collection device according to claim 3, wherein limit stops are fixed on inner tubes on two sides of the heat exchange fins, and the cover body is arranged on the outer side of the limit stops.

5. The efficient heat exchange unpowered solar heat collection device according to claim 3, wherein the inner side of the cover body is provided with a convex edge, the convex edge is inserted into the inner sides of two ends of the shell, and the convex edge is fixedly connected with two ends of the shell through bolts.

6. The efficient heat exchange unpowered solar heat collection device according to claim 3, wherein an L-shaped fixing block is fixedly connected to the outer side of the cover body, and the fixing block is fixedly connected with an inner side bolt of the box body.

7. The solar heat collector of claim 3, wherein the plurality of inner tubes are arranged in parallel, and a transition tube is respectively connected between two ends of the plurality of inner tubes and the inlet tube joint and the outlet tube joint.

8. The efficient heat exchange unpowered solar heat collection device according to claim 3, wherein a protective sleeve is arranged between the avoidance hole and the inner tube.