CN208042539U

CN208042539U - Novel pressure-bearing type solar water heater

Info

Publication number: CN208042539U
Application number: CN201820237657.3U
Authority: CN
Inventors: 陆长俊; 邓学鹏
Original assignee: JIANGSU HUAYANG SOLAR ENERGY CO Ltd
Current assignee: JIANGSU HUAYANG SOLAR ENERGY CO Ltd
Priority date: 2018-02-10
Filing date: 2018-02-10
Publication date: 2018-11-02
Anticipated expiration: 2028-02-10

Abstract

The utility model discloses novel pressure-bearing type solar water heaters, including water tank, vacuum solar collector tubes, holder, watering pipeline and drainage pipeline, vacuum solar collector tubes are inserted into the insulating layer between inner water tank and shell, the lower part jack and upper apertures with vacuum solar collector tubes coaxial line are provided on liner, heat-transfer pipe closed at both ends is equipped in vacuum solar collector tubes, one end of the heat-transfer pipe is deep into the bottom of vacuum solar collector tubes inner cavity, the other end of heat-transfer pipe, which runs through, to be inserted into the lower part jack and upper apertures of liner, it is equipped with aluminum fin-stock between vacuum solar collector tubes inner wall and heat transfer pipe outer wall, the part that interior gallbladder intracavity is inserted on the heat-transfer pipe is equipped with multiple convection holes, this pressure-bearing type solar water heater is simple in structure, the thermal efficiency is high, bath comfort, it is at low cost, with good popularizing application prospect.

Description

Novel pressure-bearing type solar water heater

Technical field

The utility model is related to solar energy heat utilization field, especially a kind of closed solar water heater.

Background technology

Solar water heater is applied to the various fields such as residential building, villa, hotel, existing household more and more Two kinds of solar water heater enfeoffment enclosed and open type.Open type is currently widely used one kind, structure generally comprise water tank, Holder and the row's complete glass vacuum sun thermal-collecting tube being directly inserted into inner water tank, this solar water heater thermal efficiency compared with Height, of low cost, application is relatively broad, but this solar water heater is typically mounted at the top of building, the pressure of water outlet Poor depending on the high-low water level between water tank and shower, hot water effluent's pressure is small, and the comfort level of bathing is bad.

Closed solar water heater is called pressure-bearing type solar water heater, the installation site of open type can be overcome limited and The small defect of discharge pressure, generally it is remained with water supply communicates, and when hot water outlet is closed, whole system will be born Big pressure.The pressure-bearing type solar water heater sold on the market at present is generally seperated double back line structure, water tank inside one As heat exchanger components are set, such as heat exchange jacket or coil pipe, heat collector is not leaked water directly, but it is interior set metal flow passage pipe, inside have heat exchange Medium, inner water tank plate thickness are usually 3 times of open-type cistern or more, and the thermal efficiency of whole system is relatively low, and manufacture work Skill is complicated, and cost is higher.It is typically provided expansion drum, expansion drum on the thermal-arrest circulation line of existing pressure-bearing type solar water heater Ying Yinian checks its primary Preliminary pressure-filled, if it find that pressure decline answers timely tonifying Qi, use and maintenance cost higher.Therefore, It is a kind of compact-sized to be badly in need of design, the thermal efficiency is high, Maintenance free, the low pressure-bearing type solar water heater of manufacturing cost.

Invention content

Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, it is tight to provide a kind of structure It gathers, the thermal efficiency is high, and manufacturing cost is low, pressure-bearing type solar water heater easy to use.

In order to solve the above technical problems, the technical solution that the utility model is taken is：Novel pressure-bearing type solar water heater, Including water tank, vacuum solar collector tubes, holder, watering pipeline and drainage pipeline, vacuum solar collector tubes are inserted into inner water tank In insulating layer between shell, the lower part jack and upper apertures with vacuum solar collector tubes coaxial line are provided on liner, Heat-transfer pipe closed at both ends is equipped in vacuum solar collector tubes, one end of the heat-transfer pipe is deep into vacuum solar collector tubes inner cavity Bottom, through being inserted into the lower part jack and upper apertures of liner, the end of heat-transfer pipe can weld for the other end of heat-transfer pipe Sealing is connect, filler can also be first put into, then rear necking is sealed by pressure extrusion, vacuum solar collector tubes inner wall and heat transfer Aluminum fin-stock is equipped between pipe outer wall, the part that interior gallbladder intracavity is inserted on the heat-transfer pipe is equipped with multiple convection holes, heat-transfer pipe with it is interior It is sealed using sealing ring between the jack of courage.

Preferably, partition board is equipped in the inner cavity of the heat-transfer pipe, heat transfer tube cavity is equally divided by partition board in the axial direction Upper cavity layer and lower cavity layer, upper cavity layer are connected with lower cavity layer at the both ends of heat-transfer pipe, and the length of Connectivity Section is not less than 50 ㎜, In interior gallbladder intracavity and the heat transfer tube wall above Connectivity Section region and partition board is equipped with multiple upper convection holes, in interior gallbladder intracavity And the heat transfer tube wall below partition board is equipped with multiple lower convection holes, the position of upper convection holes is higher than lower convection holes.

Preferably, the heat-transfer pipe material is stainless steel, aluminium alloy or glass.

Preferably, on the heat-transfer pipe limit stop ring is equipped with positioned at the position of vacuum solar collector tubes nozzle.

Preferably, the vacuum solar collector tubes nozzle, which is equipped with, blocks.

The utility model has the beneficial effects that：

1. one end of heat-transfer pipe is deep into the bottom of vacuum solar collector tubes inner cavity, the other end, which runs through, to be inserted into liner, The part being inserted on heat-transfer pipe in liner is equipped with multiple convection holes, and the water in liner is entered by convection holes in heat-transfer pipe, The heat of vacuum solar collector tubes passes to heat-transfer pipe by aluminum fin, and the water in heat-transfer pipe is constantly heated, according to following naturally Ring principle, hot water are up walked, and cold water sinks, and form convection current heat transfer effect, in addition the conduction of heat of heat-transfer pipe, constantly in heating Water in courage；

2. heat-transfer pipe is closed at both ends, through being inserted into the lower part jack and upper apertures of liner, the pressure of liner acts on At the both ends of heat-transfer pipe, the stress surface at both ends is equal, and axial pressure offsets each other, and avoids by the pressure extrusion of liner, can Bear elevated pressures；

3. being equipped with partition board in the inner cavity of heat-transfer pipe, heat transfer tube cavity is equally divided into upper cavity layer under by partition board in the axial direction Cavity layer, upper cavity layer and lower cavity layer are connected at the both ends of heat-transfer pipe, and the position of upper convection holes is higher, under thermosyphon action, heat transfer The higher water of temperature is gushed out from upper convection holes in pipe, and the lower water of temperature enters lower convection holes in liner, and multiple heat exchanger tubes are total to Under same-action, the water in liner forms a turbulent condition, and the heat of vacuum solar collector tubes is swiftly delivered to the water of liner In, heat transfer is efficient, quick heating；

4. heat-transfer pipe material can be stainless steel, aluminium alloy or glass, when using aluminium alloy, aluminium-alloy pipe may be used Extrusion forming process, partition board can be molded simultaneously, and production efficiency is high, and good heat-transfer is at low cost, convenient when using glass tube Welded seal, it is corrosion-resistant, it is adaptable to the poor area of water quality；

5. the position in vacuum solar collector tubes nozzle is equipped with limit stop ring on heat-transfer pipe, convenient for positioning and plug, very Empty solar collector pipe nozzle is equipped with the entrance for blocking and preventing heat loss and steam.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model novel pressure-bearing type solar water heater.

Fig. 2 is the utility model novel pressure-bearing type solar water heater cross-sectional view.

In figure, 1：Water tank；2：Holder；3：Vacuum solar collector tubes；4：Liner；5：Heat-transfer pipe；6：Partition board；7：Upper cavity layer； 8：Upper apertures；9：Upper convection holes；10：Lower cavity layer；11:Lower convection holes；12:Lower part jack；13：Limit stop ring；14：It blocks； 15：Aluminum fin-stock.

Specific implementation mode

The utility model is described in further detail below in conjunction with the accompanying drawings.

As depicted in figs. 1 and 2, novel pressure-bearing type solar water heater, including water tank 1, vacuum solar collector tubes 3, holder 2, watering pipeline and drainage pipeline, vacuum solar collector tubes 3 are inserted into the insulating layer between the liner 4 of water tank 1 and shell, inside It is provided with the lower part jack 12 and upper apertures 8 with 3 coaxial line of vacuum solar collector tubes on courage 4, is set in vacuum solar collector tubes 3 There are heat-transfer pipe 5 closed at both ends, one end of the heat-transfer pipe 5 to be deep into the bottom of 3 inner cavity of vacuum solar collector tubes, heat-transfer pipe 5 The other end through being inserted into the lower part jack 11 and upper apertures 8 of liner 4,3 inner wall of vacuum solar collector tubes and heat-transfer pipe 5 Aluminum fin-stock 15 is equipped between outer wall, the part that 4 inner cavity of liner is inserted on the heat-transfer pipe 5 is equipped with multiple convection holes, heat-transfer pipe 5 with It is sealed using sealing ring between the jack of liner 4.

Further, partition board 6 is equipped in the inner cavity of the heat-transfer pipe 5, partition board 6 puts down 5 inner cavity of heat-transfer pipe in the axial direction It is divided into cavity layer 7 and lower cavity layer 10, upper cavity layer 7 is connected with lower cavity layer 10 at the both ends of heat-transfer pipe 5, and the length of Connectivity Section is equal Not less than 50 ㎜, multiple upper convection current are equipped in 4 inner cavity of liner and on the heat transfer tube wall above Connectivity Section region and partition board 6 Hole 9, upper convection holes 9 are all distributed in the first half space of 4 inner cavity of liner, the heat transfer in 4 inner cavity of liner and below partition board 6 Tube wall is equipped with multiple lower convection holes 11, and the position of upper convection holes 9 is higher than lower convection holes 11.Under thermosyphon action, in heat-transfer pipe 5 The higher water of temperature is gushed out from upper convection holes 9, and the lower water of temperature enters lower convection holes 11 in liner, and multiple heat exchanger tubes 5 are total to Under same-action, the water in liner 4 forms a turbulent condition, and the heat of vacuum solar collector tubes 3 is swiftly delivered to liner 4 In water.

Further, 5 material of the heat-transfer pipe is stainless steel, aluminium alloy or glass.When using aluminium alloy, aluminium-alloy pipe Extrusion forming process may be used, partition board 6 can be molded simultaneously, and production efficiency is high, good heat-transfer.It is closed using stainless steel and aluminium When golden material, after the end of heat-transfer pipe 5 is put into silica gel plug, then carry out necking, then pressurization so that silica gel plug with it is close at necking Envelope, during normal use, because the pressure of liner 4 can be transmitted to the silica gel plug at the both ends of heat-transfer pipe 5 so that silica gel plug and necking Position is in close contact, sealed reliable.When using glass tube, both ends welded seal.

Further, limit stop ring 13, limit are equipped with positioned at the position of 3 nozzle of vacuum solar collector tubes on the heat-transfer pipe 5 The outer diameter of position baffle ring 13 is more than the maximum gauge of sealing ring, and less than the outer diameter of vacuum solar collector tubes 3.

Further, 3 nozzle of the vacuum solar collector tubes, which is equipped with, blocks 14, blocks 14 outer diameter and vacuum solar thermal-arrest The inner wall of pipe 3 is in close contact, and is blocked 14 internal diameter and is in close contact with the outer wall of heat-transfer pipe 5, prevents heat loss.

Claims

1. A new type of pressurized solar water heater, including a water tank, a vacuum solar collector tube, a bracket, an upper water pipeline and a lower water pipeline. There are lower jacks and upper jacks coaxial with the vacuum solar collector tubes on the tube, and a heat transfer tube with both ends closed is arranged inside the vacuum solar collector tube, and one end of the heat transfer tube goes deep into the vacuum solar collector tube. At the bottom of the inner cavity of the tube, the other end of the heat transfer tube is inserted into the lower and upper jacks of the liner. Aluminum fins are arranged between the inner wall of the vacuum solar collector tube and the outer wall of the heat transfer tube, and the heat transfer tube is inserted into The part to the inner cavity of the inner tank is provided with a plurality of convection holes, and a sealing ring is used to seal the heat transfer tube and the socket of the inner tank.

2. The new pressurized solar water heater according to claim 1, characterized in that: the inner cavity of the heat transfer tube is provided with a partition, and the partition divides the inner cavity of the heat transfer tube into an upper cavity layer along the axial direction. and the lower chamber layer, the upper chamber layer and the lower chamber layer are connected at both ends of the heat transfer tube, and the length of the connecting section is not less than 50mm. A plurality of upper convection holes are arranged on the tube wall, and a plurality of lower convection holes are arranged on the heat transfer tube wall located in the inner cavity of the liner and below the partition plate, and the position of the upper convection holes is higher than that of the lower convection holes.

3. The novel pressurized solar water heater according to claim 1 or 2, characterized in that: the heat transfer tube is made of stainless steel, aluminum alloy or glass.

4. The novel pressurized solar water heater according to claim 1 or 2, characterized in that: the heat transfer tube is provided with a limit retaining ring at the nozzle of the vacuum solar collector tube.

5. The novel pressurized solar water heater according to claim 1 or 2, characterized in that: the nozzle of the vacuum solar collector tube is provided with a plug.