Non-contact type solar heat collector
Technical field
The present invention relates to the built-in thermal conductive metal pipe solar heat collector of a kind of all-glass vacuum thermal-collecting tube, be applicable to the solar water heating system that stability is had relatively high expectations and combination is had relatively high expectations to building.
Background technology
The solar heat collector of some split pressure-bearing types is also arranged on the market now, mainly be divided into two kinds: 1, U type pipe heat collector; 2, heat pipe collector.Preceding a kind of U type pipe heat collector also is that medium passes through the forced circulation heat exchange in metal tube, and the copper pipe consumption is more, and welding requirements is higher, and cost is higher.A kind of heat pipe collector in back is the copper pipe that vacuumizes by, in high-temperature evaporation is arranged, the heat transfer medium of cryogenic condensation because life-span of heat pipe is short, also makes machine life reduce, and the production cost height, price is higher.
Summary of the invention
In order to improve stable, the durability of solar water heater system, reach and the building perfect adaptation, the utility model can provide a kind of solar heat collector that can reach this requirement.
The technical solution adopted in the present invention is:
Non-contact type solar heat collector of the present invention comprises outer bucket, heat-insulation layer, inner bag, many vacuum tubes and support the fixed mount of vacuum tube, inner bag places in the outer bucket, and in inner bag and outside between the bucket folder establish heat-insulation layer, inner bag is provided with into, delivery port, it is characterized in that being equipped with in the described vacuum tube aluminium wing, metal tube, metal tube connects with inner bag, the two cutting ferrule pipe seals of pressure-bearing steel are adopted in the connection place, the sealing of metal tube one end, the other end directly is communicated with inner bag, and be inserted in the middle of the inner bag, helping and the abundant thermal cycle of inner bag medium, vacuum tube passes outer bucket and inserts in the heat-insulation layer.
The aluminium wing adopts multiple-piece arc laminated structure, and is close to the inwall of vacuum tube and the outer wall of metal tube, conducts on the metal tube with abundant heat with the vacuum tube inwall.
Adopt the two cutting ferrule pipe seals of pressure-bearing steel at metal tube with the connection place, the water nozzle outside that is connected of inner bag connection place, quick and easy for installation.
Vacuum tube adopts the sealing of silica gel circle with the junction of outer bucket.
Every vacuum tube bottom is provided with adjustable conduit saddle.
The present invention has following advantage compared to existing technology:
Non-contact type solar heat collector good stability of the present invention, can with the building perfect adaptation, can bearing operation, it is a metal tube solar heat collector of not walking medium in a kind of vacuum tube, direct and the inner bag connection of metal tube, medium heats up gradually by Natural Circulation in metal tube, by forced circulation the hot water circuit in the inner bag is returned storage tank again.Do not walk medium in the vacuum tube, can prevent the vacuum tube bombing,, can not influence the whole system operation even if many vacuum tubes destroy.
Non-contact type solar heat collector of the present invention can overcome the shortcoming that has type now, and reasonable price, and the life-span is longer.Can directly be connected fixation, overall structure and building perfect adaptation by fixed mount with the building body.
Description of drawings
Fig. 1 is the heat collector side sectional view.
Fig. 2 is the heat collector front view.
Fig. 3 is a vacuum tube internal structure schematic diagram.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
Among the figure: the outer bucket of 1-barrel 2-3-heat-insulation layer 4-inner bag 5-connects the two adjustable conduit saddle 13-of the cutting ferrule pipe joint 8-vacuum tube 9-aluminium wing 10-horizontal frame 12-of the metal tube 11-guard shield 14-fixed mount 15-outer glass pipe 16-inner glass tubes of water nozzle 6-silica gel circle 7-pressure-bearing steel
As shown in Figure 1 and Figure 2, non-contact type solar heat collector of the present invention, it comprises barrel 1, outer bucket 2, heat-insulation layer 3, be provided with inner bag 4, fixed mount 14, many vacuum tubes 8, metal tube 10 and the aluminium wings 9 of entery and delivery port, inner bag 4 places in the outer bucket 2, and establish heat-insulation layer 3 in folder between the two, outer bucket 2 has barrel 1.Vacuum tube 8 is made up of outer glass pipe 15 and inner glass tube 16, as shown in Figure 3, is set with metal tube 10 in the vacuum tube 8 also adaptive with it.The sealing of metal tube 10 1 ends, the other end directly is communicated with inner bag 4, and 4 of metal tube 10 and inner bags are heat medium, generally can adopt water.Connection place is adopted and is connected water nozzle 5 sealings, connects water nozzle 5 outsides and is provided with two cutting ferrule pipe joints 7 of pressure-bearing steel and metal tube 10 sealings.Metal tube 10 is inserted in the middle of the inner bag 4, helps the sufficient heat exchange with inner bag 4 medium, and the aluminium wing 9 adopts two the arc aluminium flake that cooperates up and down, i.e. sheet under the aluminium wing last slice as shown in Figure 3, the aluminium wing, and be fixed on the metal tube 10.The solar energy of vacuum tube 8 absorptions passes to metal tube 10 by the aluminium wing 9 like this, and metal tube 10 passes to medium with energy again, and medium heats up by Natural Circulation in metal tube 10.
Vacuum tube 8 passes outer bucket 2 and inserts in the heat-insulation layer 3, and vacuum tube 8 adopts 6 sealings of silica gel circle with the junction of outer bucket 2.Every vacuum tube 8 bottoms are provided with adjustable conduit saddle 12, so that regulate the position of vacuum tube 8 when installing.Vacuum tube 8 bottoms are provided with guard shield 13, horizontal frame 11 and fixed mount 14, are used for protection and support vacuum tube 8.
The present invention is owing to adopt metal tube 10 directly to be communicated with inner bag 4, and medium heats up by Natural Circulation in metal tube 10, and then returns inner bag 4 by forced circulation, does not walk medium in the vacuum tube 8.Can prevent bombing, and single or many tube damages do not influence the whole system operation.This solar thermal collector directly is connected with the building body by fixed mount 14, fixation, overall structure and building perfect adaptation.