Hot air heat collector
By combining a structure of threaded pipe, threaded sleeve, heat collection pipe, heat conduction pipe and heat exchange plate, along with sealing gasket, filter screen, transparent heat absorption plate and insulation plate, the problem of low heat transfer coefficient and high heat loss of solar hot air collector is solved, and efficient heat collection and utilization is achieved.
Patent Information
- Application Number
- CN202423149276.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing solar hot air collectors have low heat transfer coefficients, large heat losses, and low thermal efficiency.
It adopts a combined structure of threaded pipe, threaded sleeve, heat collection pipe, heat conduction pipe and heat exchange plate, combined with sealing gasket, filter screen plate, transparent heat absorption plate and heat insulation plate to enhance connection sealing and heat insulation performance, and control the medium flow rate to improve heat exchange efficiency.
It improves the heat exchange efficiency of the solar collector, reduces heat loss, enhances airtightness and insulation performance, prevents dust and impurities from entering, and improves the amount of heat collected and the efficiency of heat utilization.
Smart Images

Figure CN223596221U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of heat collector, especially relates to a hot air heat collector. BACKGROUND
[0002] Solar energy is inexhaustible energy, has the advantages such as wide distribution range, need not exploitation and transportation. Solar heat utilization is one of the main ways of solar energy utilization, and it is very beneficial to protect human living conditions and carry out sustainable development, and the hot air heat collector is a kind of solar hot air heat collecting device, which is widely used in the areas with abundant sunlight.
[0003] Through the search, China patent publication (announcement) No. CN211793290U discloses a solar hot air dry heat collector special for greenhouse, which comprises a heat collector bottom shell, a metal frame, a solar white cloth patterned tempered glass, a metal heat absorbing pipe and a partition plate. The heat collector bottom shell is in U shape, and the two ends of the U-shaped inner cavity are respectively provided with a first air duct and a second air duct. A plurality of metal heat absorbing pipes are arranged between the first air duct and the second air duct, and the two ends of the metal heat absorbing pipes are respectively communicated with the first air duct and the second air duct and are sealingly fixed. The inner part of the metal heat absorbing pipe is provided with heat dissipation fins fixedly distributed around the inner wall. The two ends of the first air duct are respectively provided with an air inlet and an air outlet, and the two ends of the second air duct are in a sealed state. The inner center of the first air duct is provided with a partition plate. The solar hot air dry heat collector special for greenhouse can effectively utilize the wind power and solar energy on the roof of the greenhouse to provide heat preservation and heating for the interior of the greenhouse. It has good heat preservation effect, simple manufacturing process, low cost and is easy to use.
[0004] Although the heat collector of the above-mentioned patent can provide heat preservation and heating, the heat exchange coefficient is small, the heat loss is large, and the thermal efficiency of the heat collector is generally low, so a hot air heat collector needs to be designed to solve the above-mentioned problems. UTILITY MODEL CONTENTS
[0005] The main purpose of the utility model is to provide a hot air heat collector, which can effectively solve the problems in the background art.
[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0007] A hot air heat collector, comprising a cold air header and a hot air header, the middle part of the upper surface of the cold air header and the middle part of the lower surface of the hot air header are fixedly connected with threaded pipes, and the outer surfaces of the threaded pipes are threadedly connected with sleeves; the inner sides of the sleeves are threadedly connected with heat collecting pipes, the inner sides of the heat collecting pipes are fixedly connected with heat conducting pipes, the inner sides of the heat conducting pipes and the inner sides of the heat collecting pipes are provided with vacuum cavities, the inner sides of the heat conducting pipes are fixedly connected with heat exchange plates, and the interior of the hot air header is fixedly connected with heat preservation seats.
[0008] In order to make the effect of strengthening the sealing of the connection of the heat collecting pipe, as a hot air heat collector, the bottom of the outer surface of the threaded pipe is provided with a first sealing pad, and the connection between the heat collecting pipe and the port of the threaded pipe is movably connected with a second sealing pad.
[0009] In order to avoid the effect of dust and impurities, as a hot air heat collector, the outer surface of the cold air header is provided with a groove on both sides, and the inside of the groove is provided with a filter screen.
[0010] In order to make the effect of facilitating the installation of the transparent heat absorbing plate and the heat preservation plate, as a hot air heat collector, the upper surface of the cold air header and the lower surface of the hot air header are both fixedly connected with a first support seat, and the upper surface of the cold air header and the lower surface of the hot air header are both fixedly connected with a second support seat.
[0011] In order to make the effect of strengthening the heat absorbing effect, as a hot air heat collector, the inside of the first support seat is provided with a transparent heat absorbing plate, and the inside of the second support seat is provided with a heat preservation plate.
[0012] In order to make the effect of reducing heat loss, as a hot air heat collector, one end of the transparent heat absorbing plate is fixedly connected with a first side plate, and one end of the heat preservation plate is fixedly connected with a second side plate.
[0013] In order to make the effect of strengthening the sealing of the connection of the side plate, as a hot air heat collector, one end of the first side plate and the second side plate is fixedly connected with a silica gel strip.
[0014] In order to avoid the effect of cold air backflow, as a hot air heat collector, the inner bottom wall of the heat preservation seat is fixedly connected with a support rod on both sides, the outer surface of the support rod is rotatably connected with a baffle, and the inner side of the heat preservation seat is fixedly connected with a limiting plate on the side close to the baffle.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1. In the utility model, through the setting of the threaded pipe, the screw sleeve, the heat collecting pipe, the heat conducting pipe and the heat exchange plate, the two ends of the heat collecting pipe correspond to the two groups of threaded pipes, the threaded pipes are connected and fixed with the heat collecting pipes by rotating the screw sleeves, the convenience of connection is increased, the cold air enters from the two side ports of the cold air header, the cold air flowing through the heat collecting pipe is heated, the temperature is increased, and the hot air is formed, which flows out through the hot air header to provide hot air for production or life, a plurality of heat exchange plates can effectively control the flow velocity of the medium in the pipe, form a medium flow buffer zone and a medium preheating zone, so that the purpose of heat utilization is fully achieved, the heat exchange efficiency of the heat collector is effectively improved, and heat loss is reduced.
[0017] 2. The utility model discloses a first sealing gasket, second sealing gasket, filter screen board, transparent heat absorption board and heat preservation board are set up, and the first sealing gasket can strengthen the sealing property of the connecting place of the screw bush and the outer surface of threaded pipe, and the second sealing gasket is set up at the connecting place of the heat collecting tube and threaded pipe port, can improve the sealing property of the inside surface connecting place of both, guarantee the air tightness of whole heat collector, prevent heat from leaking, guarantee the heat collecting effect, filter screen board prevents the dust impurity outside from entering the inside of device, prevents the influence of dust to heat collector internal element, guarantees the heat collecting efficiency of device, and transparent heat absorption board can carry out secondary absorption to heat while being convenient for sunlight penetration, improves heat collection amount, and heat preservation board strengthens the heat preservation performance of device. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the front view structure schematic diagram of the utility model embodiment;
[0019] Figure 2 It is the cross section plane structure schematic diagram of the utility model embodiment;
[0020] Figure 3 It is the explosion structure schematic diagram of the utility model embodiment;
[0021] Figure 4 It is the Figure 3 Structure schematic diagram of A place in the utility model embodiment;
[0022] Figure 5 It is the hot blast joint box internal structure schematic diagram of the utility model embodiment.
[0023] In the drawing: 1, cold blast joint box;2, hot blast joint box;3, threaded pipe;4, screw bush;5, heat collecting tube;6, heat conducting pipe;7, vacuum cavity;8, heat exchange plate;9, heat preservation seat;10, first sealing gasket;11, second sealing gasket;12, recess;13, filter screen board;14, first support seat;15, second support seat;16, transparent heat absorption board;17, heat preservation board;18, first side plate;19, second side plate;20, silica gel strip;21, support rod;22, baffle;23, limit plate. DETAILED DESCRIPTION
[0024] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings of the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0025] EMBODIMENT
[0026] AsFigures 1-5 As shown, a hot air collector, including cold air header 1 and hot air header 2, the upper surface of the cold air header 1 and the lower surface of the hot air header 2 are fixedly connected with the threaded pipe 3, the outer surface of the threaded pipe 3 is threadedly connected with the sleeve 4; the inner side of the sleeve 4 is threadedly connected with the heat collecting pipe 5, the inner side of the heat collecting pipe 5 is fixedly connected with the heat conducting pipe 6, the inner side of the heat conducting pipe 6 is provided with a vacuum cavity 7, the inner side of the heat conducting pipe 6 is fixedly connected with the heat exchange plate 8, the inside of the hot air header 2 is fixedly connected with the heat preservation seat 9.
[0027] In particular, when in use, through the setting of the threaded pipe 3, the sleeve 4, the heat collecting pipe 5, the heat conducting pipe 6, the vacuum cavity 7 and the heat exchange plate 8, a plurality of threaded pipes 3 are fixed on the outer surface of the cold air header 1 and the hot air header 2, the two ends of the heat collecting pipe 5 are correspondingly connected with the two groups of threaded pipes 3, the sleeve 4 is rotated to connect and fix the threaded pipe 3 with the heat collecting pipe 5, the convenience of connection is increased, the sealing performance is improved, the connection is more firm and stable, the heat collecting pipe 5 is convenient to replace and maintain when damaged, the whole is not replaced when damaged, the cost is saved, the heat collecting pipe 5 is made of metal material, the metal has strong heat absorption, the heat conducting pipe 6 is fixed in the heat collecting pipe 5, the vacuum cavity 7 is arranged between the two, which can reduce the loss of heat, buffer or even eliminate the internal stress caused by the inconsistent expansion of the heat collecting pipe 5, prolong the service life, a plurality of heat exchange plates 8 are fixed in the heat conducting pipe 6, the cold air enters from the two side ports of the cold air header 1, the cold air flowing through the heat collecting pipe 5 is heated and becomes hot air after the temperature rises, the hot air flows out through the hot air header 2 to provide hot air for production or life, the clean energy of solar energy is used, which does not pollute the environment, so it is more environmentally friendly, a plurality of heat exchange plates 8 can effectively control the flow rate of the medium in the pipe, form a medium flow buffer zone and a medium preheating zone, and fully achieve the purpose of heat utilization, which can effectively improve the heat exchange efficiency of the heat collector, reduce heat loss, and the heat preservation seat 9 improves the heat preservation performance of the hot air header 2 to avoid heat loss of the heated air.
[0028] In this embodiment, the first sealing gasket 10 is sleeved on the bottom of the outer surface of the threaded pipe 3, and the second sealing gasket 11 is movably connected at the connection between the heat collecting pipe 5 and the port of the threaded pipe 3.
[0029] In particular, when in use, through the setting of the first sealing gasket 10 and the second sealing gasket 11, the first sealing gasket 10 can improve the sealing performance of the connection between the sleeve 4 and the outer surface of the threaded pipe 3, and the second sealing gasket 11 is arranged at the connection between the heat collecting pipe 5 and the port of the threaded pipe 3, which can improve the sealing performance of the inner side of the two, ensure the air tightness of the whole heat collector, prevent heat leakage, and ensure the heat collecting effect.
[0030] In this embodiment, recesses 12 are formed on both sides of the outer surface of the cold air header 1, and filter screens 13 are clamped in the recesses 12.
[0031] In specific use, through the setting of the filter screen plate 13, the filter screen plate 13 is clamped in the inside of the groove 12, and it is convenient to replace and clean after long time use, external dust and impurities are prevented from entering the inside of the device, the influence of dust on the internal elements of the heat collector is prevented, and the heat collection efficiency of the device is ensured.
[0032] In the embodiment, the upper surface of the cold air header 1 and the lower surface of the hot air header 2 are both fixedly connected with the first support seat 14, and the other side of the upper surface of the cold air header 1 and the other side of the lower surface of the hot air header 2 are both fixedly connected with the second support seat 15.
[0033] In specific use, through the setting of the first support seat 14 and the second support seat 15, both of them are provided with two groups, which can clamp the transparent heat absorbing plate 16 and the heat preservation plate 17, and then fixed by bolts, playing the role of supporting and installing.
[0034] In the embodiment, the first support seat 14 is clamped with the transparent heat absorbing plate 16 in the inside, and the second support seat 15 is clamped with the heat preservation plate 17 in the inside.
[0035] In specific use, through the setting of the transparent heat absorbing plate 16 and the heat preservation plate 17, the transparent heat absorbing plate 16 can absorb heat twice while facilitating sunlight penetration, improving heat collection amount, and the heat preservation plate 17 strengthens the heat preservation performance of the device.
[0036] In the embodiment, one end of the transparent heat absorbing plate 16 is fixedly connected with the first side plate 18, and one end of the heat preservation plate 17 is fixedly connected with the second side plate 19.
[0037] In specific use, through the setting of the first side plate 18 and the second side plate 19, they can shield the openings on the left and right sides of the device, avoiding the entry of external dust and reducing the loss of internal heat.
[0038] In the embodiment, one end of the first side plate 18 and the second side plate 19 is fixedly connected with the silica gel strip 20.
[0039] In specific use, through the setting of the silica gel strip 20, two groups of silica gel strips 20 are fixed at one end of the first side plate 18 and the second side plate 19, so that the sealing performance of the connection between the first side plate 18, the second side plate 19 and the transparent heat absorbing plate 16 and the heat preservation plate 17 can be strengthened during installation, further reducing the loss of heat.
[0040] In the embodiment, the two sides of the inner bottom wall of the heat preservation seat 9 are both fixedly connected with the support rod 21, the outer surface of the support rod 21 is rotatably connected with the baffle 22, and the inner side of the heat preservation seat 9 is fixedly connected with the limiting plate 23 close to the baffle 22.
[0041] Specific use, through the setting of the baffle 22, two groups of baffle 22 rotationally connected in the outer surface of the support rod 21, the limiting plate 23 is fixed in the inner side of the heat preservation seat 9, close to the inner side of the baffle 22, the device heated hot air can open the limiting plate 23, so as to deliver hot air, while the cold air from the heating system backflow, limiting plate 23 will baffle 22 limiting, avoid the occurrence of cold air backflow.
[0042] Working principle: in use, the two ends of the heat pipe 5 correspond to the two groups of threaded pipe 3, rotate the sleeve 4, the threaded pipe 3 and heat pipe 5 are connected and fixed, the first sealing pad 10 enhances the sealing of the threaded pipe 3 and the outer surface of the sleeve 4, the second sealing pad 11 enhances the sealing of the heat pipe 5 and the threaded pipe 3 port connection, ensures the air tightness of the whole heat collector, the transparent heat absorbing plate 16 and the heat preservation plate 17 are respectively clamped and fixed in the first support seat 14 and the second support seat 15, the transparent heat absorbing plate 16 facilitates sunlight penetration while the heat can be absorbed twice, improving the heat collection amount, the heat preservation plate 17 enhances the heat preservation performance of the device, the first side plate 18 and the second side plate 19 shield the opening on the left and right sides of the device, two groups of silica gel strip 20 enhance the sealing of the first side plate 18, the second side plate 19 and the transparent heat absorbing plate 16 and the heat preservation plate 17 connection, cold air enters from the cold air header 1 two side ports, the cold air flowing through the heat pipe 5 is heated, the temperature rises and becomes hot air, which flows out through the hot air header 2 to provide hot air for production or life, using solar energy, a clean energy, will not pollute the environment, multiple heat exchange plates 8 can effectively control the flow velocity of the medium in the pipe, form medium flow buffer zone and medium preheating zone, so as to fully achieve the purpose of heat utilization, which can effectively improve the heat exchange efficiency of the heat collector, reduce the heat loss, the heat preservation seat 9 enhances the heat preservation performance of the hot air header 2, avoids the heat loss of the heated air, the device heated hot air opens the limiting plate 23, so as to deliver hot air, while the cold air from the heating system backflow, limiting plate 23 will baffle 22 limiting, avoid the occurrence of cold air backflow.
[0043] The basic principle and main features of the present application are shown and described above, and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A hot blast collector comprising a cold blast header (1) and a hot blast header (2), characterized in that: The middle part of the upper surface of the cold air header (1) and the middle part of the lower surface of the hot air header (2) are fixedly connected with threaded pipes (3), and the outer surfaces of the threaded pipes (3) are threadedly connected with screw sleeves (4). The inner side of the screw sleeve (4) is threadedly connected with a heat collecting pipe (5), the inner side of the heat collecting pipe (5) is fixedly connected with a heat conducting pipe (6), the inner side of the heat conducting pipe (6) is provided with a vacuum cavity (7), the inner side of the heat conducting pipe (6) is fixedly connected with a heat exchange plate (8), and the inside of the hot air header (2) is fixedly connected with a heat preservation seat (9).
2. A hot air collector according to claim 1, characterised in that: The bottom of the outer surface of the threaded pipe (3) is sleeved with a first sealing gasket (10), and the connecting part of the heat collecting pipe (5) and the threaded pipe (3) port is movably connected with a second sealing gasket (11).
3. A hot air collector according to claim 1, characterised in that: The outer surface of the cold air header (1) is provided with grooves (12) on both sides, and the grooves (12) are movably connected with filter screen plates (13).
4. A hot air collector according to claim 1, characterised in that: The upper surface of the cold air header (1) and the lower surface of the hot air header (2) are fixedly connected with first support seats (14) on one side, and the upper surface of the cold air header (1) and the lower surface of the hot air header (2) are fixedly connected with second support seats (15) on the other side.
5. A hot air collector according to claim 4, characterised in that: The inside of the first support seat (14) is movably connected with a transparent heat absorbing plate (16), and the inside of the second support seat (15) is movably connected with a heat preservation plate (17).
6. A hot air collector according to claim 5, characterised in that: One end of the transparent heat absorbing plate (16) is fixedly connected with a first side plate (18), and one end of the heat preservation plate (17) is fixedly connected with a second side plate (19).
7. A hot air collector according to claim 6, characterised in that: One end of the first side plate (18) and the second side plate (19) is fixedly connected with a silica gel strip (20).
8. A hot air collector according to claim 1, characterized in that: The inner bottom wall of the heat preservation seat (9) is fixedly connected with support rods (21) on both sides, the outer surface of the support rod (21) is rotatably connected with a baffle (22), and the inner side of the heat preservation seat (9) is fixedly connected with a limiting plate (23) on one side close to the baffle (22).
Citation Information
Patent Citations
Solar hot air drying type heat collector special for greenhouse
CN211793290U