CN201011473Y

CN201011473Y - Double U shaped pressure bearing heat collector

Info

Publication number: CN201011473Y
Application number: CNU2006201418472U
Authority: CN
Inventors: 范佳民
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-28
Filing date: 2006-12-28
Publication date: 2008-01-23
Anticipated expiration: 2016-12-28

Abstract

The utility model relates to a dual U-shaped tube compression heat collector. The prior compression heat collector has a comparative complex structure which although has been improved recently, the outlet water temperature is still low. The utility model comprises a heat collecting plate, a vacuum heat collecting tube and a U-shaped inner tube. The heat collecting tube comprises a heat preservation layer, a shell, a U-shaped tube contact, a liquid inlet contact, a liquid outlet contact, a fixing pole and a vacuum heat collecting tube sealing plug. The U-shaped tube contact, the liquid inlet contact, the liquid outlet contact are fixed on the fixing pole. The U-shaped inner tube is inserted into the vacuum heat collecting tube. The liquid inlet contact, the U-shaped tube contact and the liquid outlet contact are respectively sealedly connected in serial with the U-shaped inner tube. As the U-shaped inner tube is connected in serial, the liquid can be heated continuously when passes through each U-shaped inner tube so that the outlet liquid temperature has a higher temperature. The solar heat collector can be used for heating water directly and also can be used for heating water through medium which is heated by the utility model firstly. The utility model is convenient for mounting. Besides, the utility model is also convenient for being transported due to the capability of easy local assembling.

Description

Double U Type tube pressure-bearing type heat collector

Technical field

The utility model belongs to a kind of solar utilizing equipment, particularly relates to a kind of double u-tube pressure-bearing type solar heat collector.

Background technology

Solar energy is a kind of inexhaustible, nexhaustible natural energy source, and the utilization of solar energy is undoubtedly people's question of common concern.Solar thermal collector is of a great variety in the market, and wherein in the vacuum tube solar heating element, great majority are non-bearing type, and in recent years, for adapting to various applications needs, pressure type vacuum tube solar heat-collecting device also increases gradually.That CN01216417.8 and CN01216418.6 have proposed respectively is a kind of " pressure-bearing type whole glass vacuum tube solar energy can heat collector " and a kind of " pressure type vacuum tube solar heat-collecting device ", its operation principle is: solar energy acts on vacuum tube and heats the water in the dawn in the union pipe, water in the pressure-bearing heat exchanger tube by with union pipe in hot water in the dawn carry out heat exchange and obtain heat, water in the pressure-bearing heat exchanger tube that has been heated then directly and the water in the press-bearing water tank carry out heat exchange, thereby the temperature of the water in the press-bearing water tank is improved.Owing to the water in the actual pressure-bearing heat exchanger tube that uses is to obtain heat by carrying out heat exchange as the water in the dawn in the union pipe of medium, the thermal efficiency is under some influence, and structure is also relatively complicated.CN200420025628.9 discloses " a kind of metal-glass hot pipe type solar heat collector ", it is characterized in that: the metal termination with some fin patches in the mouth of pipe of existing coated glass vacuum tube, and, annotate with suitable working medium in the annular seal space that forms between glass tube and the termination with fluid sealant and inside pipe wall cementation.Solar energy has heated medium wherein through vacuum tube, and the metal termination then obtains heat by medium, passes to the interior water of heat exchanger tube of actual use then, and same, the thermal efficiency also is under some influence, and makes structure become complicated.CN200520116585.X discloses a kind of " Straight Shimo Tube Pressure-type Collector ", it is that pipe in the straight type is inserted in the vacuum heat collection pipe, and pipe links to each other with the body of heat-collecting block in the straight type, solar energy directly heats the water in the pipe in the straight type through vacuum heat collection pipe, heat exchange by the water in free convection realization and the water tank, realize bearing operation, the thermal efficiency also increases.Yet the outlet water temperature of above-mentioned pressure-bearing type solar heat collector is all not too high.

The utility model content

The utility model has overcome the deficiency that above-mentioned prior art exists, and has proposed a kind of double u-tube pressure-bearing type solar heat collector.This solar thermal collector reasonable in design, easy for installation, and also thermal efficiency height, outlet liquid fever.

The technical scheme that the utility model adopted is:

A kind of double U Type tube pressure-bearing type heat collector comprises pipe in heat-collecting block, vacuum heat collection pipe and the U type, and described heat-collecting block comprises heat-insulation layer, housing, U type pipe joint, feed tube joint and liquid outlet joint, fixed bar and vacuum heat collection pipe sealing-plug; Described fixed bar is positioned at the heat-insulation layer of heat-collecting block; Described U type pipe joint proper alignment is fixed in fixed bar, described feed tube joint and liquid outlet joint and the concordant two ends that are individually fixed in fixed bar of U type pipe joint, and described U type inner tube mouth inserts in the vacuum heat collection pipe outwardly; First port sealing of pipe is connected in the U type in first vacuum heat collection pipe of a port and liquid feeding side of described feed tube joint, second port of pipe is connected with first port sealing of first U type pipe joint in the U type in first vacuum heat collection pipe of liquid feeding side, first port sealing of pipe is connected in the U type in second port of first U type pipe joint and second vacuum heat collection pipe, second port of pipe is connected with first port sealing of second U type pipe joint in the U type in second vacuum heat collection pipe, and second port of pipe is connected with a port sealing of liquid outlet joint in the U type of so continuous series seal connection in last vacuum heat collection pipe.

The port of described U type pipe joint is provided with screw thread; The port of pipe is arranged to horn mouth in the described U type, and disposes the nut that is complementary with the set screw thread of U type pipe joint port; Described feed tube joint is provided with and the set identical screw thread of U type pipe joint port with the port that pipe in the U type links to each other with liquid outlet joint, the another port of described feed tube joint and liquid outlet joint is provided with and the set identical horn mouth of U type inner tube mouth, and disposes the identical nut that is disposed with U type inner tube mouth.At this moment, being tightly connected is to realize through port set threaded screw and horn mouth.When the port of pipe, U type pipe joint, feed tube joint and liquid outlet joint in the U type is not provided with respective threads, nut and horn mouth, is tightly connected and also can adopts the mode of welding or snap joint.

In the utility model, need the number of the vacuum heat collection pipe of configuration, the number of the interior pipe of U type and the number of U type pipe joint to decide on required heat collector size, if by required heat collector size, the number of the vacuum heat collection pipe that is disposed is n, then the number of pipe also is n in the U type, and the number of U type pipe joint then is (n-1).Usually, feed tube joint, U type pipe joint and liquid outlet joint adopt welding manner to be fixed on the fixed bar, and fixed bar then remains in the heat-collecting block under the effect of heat-insulation layer.During assembling, earlier preset the vacuum heat collection pipe sealing-plug at U type pipe joint, feed tube joint and liquid outlet joint place, by above-mentioned described port connected mode, the port of pipe in each U type is connected to accordingly the port of U type pipe joint and feed tube joint and liquid outlet joint respectively, then vacuum heat collection pipe is enclosed within and manages the outside in the U type and the heat-collecting block heat-insulation layer is inserted in its end, it is tight simultaneously vacuum heat collection pipe to be sealed gag.When the liquid that enters enters in the U type behind the pipe by the feed tube joint, vacuum heat collection pipe heats it under the effect of solar energy; Be connected in series through U type pipe joint because n props up in the U type pipe, therefore have n to prop up vacuum heat collection pipe liquid is heated, make the temperature of the liquid that flows out from liquid outlet joint higher.

The utility model can be directly used in the water heating, also can be used for heat medium, by medium water is heated then.When being directly used in when water heated, another port of feed tube joint directly links to each other with feed pipe, and another port of liquid outlet joint then links to each other with water storage tank.When being used for heat medium and by medium water being heated then, medium places loop capable of circulation, this closed circuit has heat(ing) coil, the utility model is inserted in the closed circuit, then heat(ing) coil is placed in the water storage tank, medium circulates in closed circuit, and the Guan Shicong vacuum heat collection pipe obtains heat in the U type of flowing through, and when flowing through heat(ing) coil the water in the water storage tank is heated.

The utility model is through well-designed, scientific and reasonable, compare its thermal efficiency with general solar thermal collector and export fluid temperature and all improve a lot, particularly be provided with horn mouth and be furnished with nut, U type pipe joint port when being provided with port that screw thread, feed tube joint and liquid outlet joint link to each other with pipe in the U type and being provided with screw thread and the other end and being provided with horn mouth and being furnished with nut when the port of pipe in the U type, install very convenient.Owing to can carry out on-the-spot assembling easily, thereby also bring facility for transportation.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the utility model.

Fig. 2 is the schematic diagram of the interior pipe of U type in a kind of embodiment of the utility model shown in Figure 1.

Fig. 3 is the schematic diagram of the U type pipe joint in a kind of embodiment of the utility model shown in Figure 1.

Fig. 4 is the feed tube joint in a kind of embodiment of the utility model shown in Figure 1 and the schematic diagram of liquid outlet joint.

The specific embodiment

As shown in Figure 1, it comprises pipe 5 in 2,12 U types of 1,12 vacuum heat collection pipes of heat-collecting block, and wherein heat-collecting block 1 comprises heat-insulation layer 3, housing 4,11 U type pipe joints 6, feed tube joint 7, liquid outlet joint 8 and fixed bars 9, vacuum heat collection pipe sealing-plug 10.Fixed bar 9 is positioned at heat-collecting block 1 heat-insulation layer 3; U type pipe joint 6 proper alignment are fixed in a side of fixed bar 9, feed tube joint 7 and liquid outlet joint 8 and the U type pipe joint 6 concordant two ends that are individually fixed in fixed bar 9.The port of U type pipe joint 6 is provided with screw thread 11, as Fig. 3; The port of pipe 5 is arranged to horn mouth 12 in the U type, and disposes the nut 13 that is complementary with the set screw thread 11 of U type pipe joint 6 ports, as Fig. 2; Pipe 5 ports that link to each other are provided with and the set identical screw thread 11 of U type pipe joint 6 ports in feed tube joint 7 and liquid outlet joint 8 and the U type, the another port be provided with the U type in pipe 5 ports set identical horn mouth 12, and dispose with the U type in the identical nut 13 that disposed of pipe 5 ports, as Fig. 4; First port sealing of pipe 5 is connected in the U type in first vacuum heat collection pipe 2 of a port and liquid feeding side of feed tube joint 7, second port of pipe 5 is connected with first port sealing of first U type pipe joint 6 in the U type in first vacuum heat collection pipe 2 of liquid feeding side, first port sealing of pipe 5 is connected in the U type in second port of first U type pipe joint 6 and second vacuum heat collection pipe 2, second port of pipe 5 is connected with first port sealing of second U type pipe joint 6 in the U type in second vacuum heat collection pipe 2, so continuously series seal first port sealing of connecting pipe 5 in the U type in second port of last the 11 U type pipe joint 6 and twelve earthly branches vacuum heat collection pipe 2 is connected, and the U type in the twelve earthly branches vacuum heat collection pipe 2 is interior manages second port of 5 and the corresponding ports of liquid outlet joint 8 is tightly connected.Be tightly connected is to realize through port set threaded screw and horn mouth.Vacuum heat collection pipe 2 is enclosed within manages 5 outsides and heat-collecting block 1 heat-insulation layer 3 is inserted in its end in the U type, simultaneously that vacuum heat collection pipe sealing-plug 10 lids are tight.

This double U Type tube pressure-bearing type heat collector can link to each other with water storage tank with feed pipe, is used for directly the water heating, but also access medium closed circuit, the coil pipe by in the closed circuit is heated water by medium.

Claims

1. a double U Type tube pressure-bearing type heat collector comprises heat-collecting block (1) and vacuum heat collection pipe (2), and described heat-collecting block (1) comprises heat-insulation layer (3) and housing (4); It is characterized in that: it also comprises pipe (5) in the U type; Described heat-collecting block (1) also comprises U type pipe joint (6), feed tube joint (7) and liquid outlet joint (8), fixed bar (9) and vacuum heat collection pipe sealing-plug (10); Described fixed bar (9) is positioned at heat-collecting block (1) heat-insulation layer (3); Described U type pipe joint (6) proper alignment is fixed in fixed bar (9), pipe (5) port inserts in the vacuum heat collection pipe (2) outwardly in the described feed tube joint (7) and liquid outlet joint (8) and the concordant two ends that are individually fixed in fixed bar (9) of U type pipe joint (6), described U type; A port of described feed tube joint (7) is connected with interior first port sealing of managing (5) of the U type in first vacuum heat collection pipe of liquid feeding side (2), second port of pipe (5) is connected with first port sealing of first U type pipe joint (6) in the U type in first vacuum heat collection pipe of liquid feeding side (2), second port of first U type pipe joint (6) is connected with interior first port sealing of managing (5) of the U type in second vacuum heat collection pipe (2), second port of pipe (5) is connected with first port sealing of second U type pipe joint (6) in the U type in second vacuum heat collection pipe (2), and second port of pipe (5) is connected with a port sealing of liquid outlet joint (8) in the U type of series seal connection in last vacuum heat collection pipe (2) so continuously.

2. double U Type tube pressure-bearing type heat collector according to claim 1 is characterized in that: the port of described U type pipe joint (6) is provided with screw thread (11); The port of pipe (5) is arranged to horn mouth (12) in the described U type, and disposes the nut (13) that is complementary with the set screw thread (11) of U type pipe joint (6) port; Described feed tube joint (7) is provided with and the set identical screw thread (11) of U type pipe joint (6) port with the port that pipe (5) in the U type links to each other with liquid outlet joint (8), the another port of described feed tube joint (7) and liquid outlet joint (8) be provided with the U type in pipe (5) port set identical horn mouth (12), and dispose with the U type in pipe (5) identical nut (13) that port disposed.