CN209068783U - Pressure-bearing solar vacuum-tube water heater - Google Patents
Pressure-bearing solar vacuum-tube water heater Download PDFInfo
- Publication number
- CN209068783U CN209068783U CN201821376961.2U CN201821376961U CN209068783U CN 209068783 U CN209068783 U CN 209068783U CN 201821376961 U CN201821376961 U CN 201821376961U CN 209068783 U CN209068783 U CN 209068783U
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- Prior art keywords
- tube
- vacuum
- water
- water tank
- pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to solar water heater fields, especially pressure-bearing solar vacuum-tube water heater.Solve the problems, such as solar vacuum-tube water heater pressure-bearing.Pressure-bearing vacuum pipe solar, including bracket, vacuum tube and insulated water tank, insulated water tank is located at cradle top, insulated water tank is equipped with water inlet, water outlet and evacuated tube, vacuum tube is tiltedly mounted on insulated water tank, insulated water tank and vacuum tube junction seal, and each junction is equipped with one group of water inlet pipe and outlet pipe, and water inlet pipe is located at the obliquely downward of outlet pipe；Metal tube is cased in vacuum tube, metal tube both ends, which respectively correspond to be connected to water inlet pipe and outlet pipe Matching installation, constitutes a loop, and metal tube is equipped with heat collecting sheet towards the direction of sunlight towards vacuum tube upper end, and heat collecting sheet wraps metal tube.The water temperature of water heater requirement can be reached in less vacuum tube number, the use cost of user is effectively reduced.
Description
Technical field
The utility model relates to solar water heater fields, especially pressure-bearing solar vacuum-tube water heater.
Background technique
Many solar water heaters are all using vacuum tube as heat collecting element, with the heat vacuum tube of vacuum tube absorption
Cold water in inner cavity, the cold water water temperature being heated in pipe increase, and density reduces, and hot water moves upwards, and under heavy cold water
Tube bottom is dropped to, continues to heat, it is ensured that hot water constantly flows into water tank from bottom to top.Since vacuum tube is double-layer glass structure,
Anti-pressure ability is smaller, and this vacuum tube frost resistance is poor, cannot directly connect with outer water supply pipe, is not suitable for working as water tank and water outlet
House of the difference in height within 10 meters uses.Currently, the heat-collecting part of solar water heater is double-glass evacuated tube comprising
Outer glass pipe, inner glass tube are low-voltage vacuum layer between outer glass pipe and inner glass tube, and the outer surface of inner glass tube is coated with suction
One end of thermosphere, outer glass pipe and inner glass tube seals form free end respectively, the other end of outer glass pipe and inner glass tube
Other end sealing.When installing water heater, double-glass evacuated tube is inserted into water tank, and water tank is connected to inner glass tube, inner glass tube
It is recycled with the water in water tank and the heat that heat collector absorbs is conducted into water tank.But the junction between heat-collecting part and water tank
It cannot bear running water pressure, and water contacts also with inner glass tube heat-collecting part is caused to be easy scaling and bombing at high temperature.
Occur the solar vacuum-tube water heater using metal heat transfer, such as application number currently on the market
CN201611202055.6 discloses a kind of metal heat transfer all-glass solar vacuum tubular collector.It include bracket, vacuum tube too
Positive energy heat collecting element and boiler, bracket end are equipped with base, and vacuum pipe solar heat collecting element is by all-glass vacuum tube, gold
Belong to absorber plate, self-tightening type rubber plug, waterproof apron composition, all-glass vacuum tube is double-layer transparent glass vacuum tube, metal absorber plate
On be coated with heat absorbing coating, the metal absorber plate be in arcuation, the metal absorber plate at all-glass vacuum pipe port width ratio complete
Glass-vacuum tube insied width is smaller and is in tabular, and self-tightening type rubber plug is made of two semi-cylindrical rubber plugs, outside self-tightening type rubber plug
Side is in dentation.The transmitting that heat is carried out after absorbing heat in this way just with metal absorber plate, is only similar to electric heating in this way
Principle, conduction efficiency is low, and heating effect is less desirable in boiler, in this way can to boiler junction require it is very high
High temperature resistant requirement.
Summary of the invention
In order to overcome the disadvantages mentioned above of the prior art, the utility model is provided after a kind of vacuum tube breakage still can be after
The problems such as therefore continuous use is without causing leak, while one circuit of the water self-contained in vacuum tube ensure that heat transmitting is smooth
It carries out, guarantees conduction efficiency, while higher water temperature can be obtained under the support of less vacuum tube, it in other words, can be more
Few vacuum tube number reaches the water temperature of water heater requirement, and the pressure-bearing solar vacuum-tube water of the use cost of user is effectively reduced
Device.
The technical scheme adopted by the utility model to solve the technical problem is as follows: pressure-bearing vacuum pipe solar, including bracket,
Vacuum tube and insulated water tank, insulated water tank are located at cradle top, and insulated water tank is equipped with water inlet, water outlet and evacuated tube, very
Blank pipe is tiltedly mounted on insulated water tank, and insulated water tank and vacuum tube junction seal, and each junction is equipped with one group of water inlet
Pipe and outlet pipe, water inlet pipe are located at the obliquely downward of outlet pipe；Be cased with metal tube in vacuum tube, metal tube both ends respectively correspond with into
Water pipe is connected to outlet pipe Matching installation constitutes a loop, and metal tube is equipped with towards the direction of vacuum tube upper end towards sunlight
Heat collecting sheet, heat collecting sheet wrap metal tube.
The metal tube is u-shaped, and heat collecting sheet is that line symmetric curvature in center is arc-shaped with metal tube.In this way in insulated water tank
The cold water of bottom enters the pipeline at U-tube back from water inlet pipe, reaches bottom and turns back upwards later, since metal tube is towards too
The direction of sunlight is equipped with heat collecting sheet, and metal tube and heat collecting sheet are sunlighted, can thus add to the water in metal tube
Heat, the water of heating is seethed to be entered in insulated water tank from outlet pipe, thus greatly improves the effect that water recycles in metal tube
Rate, while the diameter of metal tube is reduced, lower use cost.
The outlet pipe is located on the inside of insulated water tank is equipped with extension tube upwards.Extension tube, extension tube are equipped on the inside of outlet pipe
Heat preservation upper box part is extended to, due to itself still forming the water stratification of upper heat and lower cold in insulated water tank, such metal tube is interior from out
The water entered in water pipe is exactly hot water, enters directly into the upper layer of insulated water tank, avoids hot water and carry out again in insulated water tank
One time water seethes, and thus greatly improves entire heat conduction efficiency.
The water inlet pipe and outlet pipe are equipped with external screw thread, and metal tube is connect by screw thread with water inlet pipe and outlet pipe.In this way
It can be achieved with the separately machined of insulated water tank and metal tube, while being also convenient for the installation maintenance in later period.
The utility model has the following beneficial effects: in conjunction with the structure of bearing plate structure and vacuum tube, it is saturating using vacuum tube
Light heat absorption capacity forms good high temperature adsorption effect inside vacuum tube, at the same guarantee on the outside of vacuum tube always with room temperature one
It causes, it is even lower.It is realized very well using vacuum tube and carries out physical isolation with extraneous room temperature, when ambient temperature is too low at that time,
Such as when winter, vacuum tube completely cuts off room temperature, avoids in metal tube water from being frozen volume and become larger and causes pipe bursting problem, simultaneously
Metal tube can bear city hydraulic pressure well again, expand use scope.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model U-shaped metal tube.
Fig. 3 is the partial schematic diagram of the utility model insulated water tank.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, 2, pressure-bearing vacuum pipe solar, including bracket 1, vacuum tube 2 and insulated water tank 3, insulated water tank 3
Positioned at 1 top of bracket, insulated water tank 3 is equipped with water inlet, water outlet and evacuated tube 4, and vacuum tube 2 is tiltedly mounted on insulated water tank
On 3, the junction of insulated water tank 3 and vacuum tube 2 is sealed, and each junction is equipped with one group of water inlet pipe 5 and outlet pipe 6, water inlet
Pipe 5 is located at the obliquely downward of outlet pipe 6；It is cased with metal tube 7 in vacuum tube 2,7 both ends of metal tube respectively correspond and water inlet pipe 5 and go out
The connection of 6 Matching installation of water pipe constitutes a loop, and metal tube 7 is equipped with heat collecting sheet towards the direction of sunlight towards vacuum tube upper end
8, heat collecting sheet 8 wraps metal tube 7.
The metal tube 7 is u-shaped, and heat collecting sheet 8 is that line symmetric curvature in center is arc-shaped with metal tube 7.Water is kept the temperature in this way
The cold water of bottom enters the pipeline at U-tube back from water inlet pipe in case, reaches bottom and turns back upwards later, due to metal tube court
Be equipped with heat collecting sheet to the direction of sunlight, metal tube and heat collecting sheet be sunlighted, thus can to the water in metal tube into
Row heating, the water of heating is seethed to be entered in insulated water tank from outlet pipe, is thus greatly improved water in metal tube and is recycled
Efficiency, while reducing the diameter of metal tube, lower use cost.
It is entered in insulated water tank from urban water, the loop of a closure, heat preservation is constituted in metal tube and insulated water tank
Water in water tank mainly enters in metal tube from water inlet pipe, and due to the folding of heat collecting sheet, metal tube is backwards to sunlight part
Sunlight cannot be directly absorbed, after reaching metal bottom of the tube, water initially enters thermal-arrest panel region, and such heat collecting sheet can largely be inhaled
Heat is received, to heat to the water in metal tube, the water of heating can enter heat preservation water by outlet pipe along metal tube
In case, such water just forms a natural circulation loop, strengthens water cycle efficieny.
Due to the heat insulation of vacuum tube, vacuum tube pipe internal temperature realizes an absorption, will not distribute heat and come out, very
It can be formed in blank pipe, form a closed heat accumulation space inside vacuum tube, the caliber of metal tube can be very thin, realizes that water exists
Internal Rapid Circulation, strengthens heat exchanger effectiveness.Practical inside vacuum tube is that no water enters in itself, this reduces
The production requirement of vacuum tube, reduces production cost, and when vacuum tube occurs damaged, not influencing solar water heater itself makes
With avoiding traditional ordinary vacuum tube solar water heater from being crushed will cause the big stream loss of water, while also solve traditional vacuum tube
Needing to close water valve etc. replacement maintenance after solar water heater is damaged can just continue to use later.
Embodiment 2
As shown in figure 3, specific embodiment is with embodiment 1, and the difference is that: the outlet pipe 6 is located at insulated water tank
3 insides are equipped with extension tube 9 upwards.Extension tube is equipped on the inside of outlet pipe, extension tube extends to heat preservation upper box part, due to insulated water tank
The interior water stratification for itself still forming upper heat and lower cold, the water entered in such metal tube out of outlet pipe is exactly hot water, directly into
Enter the upper layer to insulated water tank, avoids hot water and carry out a water again in insulated water tank and seethe, thus greatly improve
Entire heat conduction efficiency.
The water inlet pipe 5 and outlet pipe 6 are equipped with external screw thread, and metal tube is connect by screw thread with water inlet pipe and outlet pipe.This
Sample can be achieved with the separately machined of insulated water tank and metal tube, while be also convenient for the installation maintenance in later period.
It is formed inside vacuum tube in conjunction with the structure of bearing plate structure and vacuum tube using vacuum tube light transmission heat absorption capacity
Good high temperature adsorption effect, while guaranteeing that vacuum tube outside is consistent with room temperature always, it is even lower.
Claims (5)
1. pressure-bearing vacuum pipe solar, including bracket, vacuum tube and insulated water tank, insulated water tank is located at cradle top, keeps the temperature water
Case is equipped with water inlet, water outlet and evacuated tube, and vacuum tube is tiltedly mounted on insulated water tank, it is characterised in that: insulated water tank
It is sealed with the junction of vacuum tube, and each junction is equipped with one group of water inlet pipe and outlet pipe, water inlet pipe is located at the oblique of outlet pipe
Lower section；Metal tube is cased in vacuum tube, metal tube both ends, which are respectively corresponded, is connected to composition one with water inlet pipe and outlet pipe Matching installation
A loop, metal tube are equipped with heat collecting sheet towards the direction of sunlight towards vacuum tube upper end, and heat collecting sheet wraps metal tube.
2. pressure-bearing vacuum pipe solar as described in claim 1, it is characterised in that: the metal tube is u-shaped, heat collecting sheet with
Metal tube is that line symmetric curvature in center is arc-shaped.
3. pressure-bearing vacuum pipe solar as described in claim 1, it is characterised in that: the outlet pipe is located on the inside of insulated water tank
It is equipped with extension tube upwards.
4. pressure-bearing vacuum pipe solar as claimed in claim 2, it is characterised in that: the outlet pipe is located on the inside of insulated water tank
It is equipped with extension tube upwards.
5. pressure-bearing vacuum pipe solar according to any one of claims 1-4, it is characterised in that: the water inlet pipe and outlet pipe
Equipped with external screw thread, metal tube is connect by screw thread with water inlet pipe and outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821376961.2U CN209068783U (en) | 2018-08-25 | 2018-08-25 | Pressure-bearing solar vacuum-tube water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821376961.2U CN209068783U (en) | 2018-08-25 | 2018-08-25 | Pressure-bearing solar vacuum-tube water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209068783U true CN209068783U (en) | 2019-07-05 |
Family
ID=67090936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821376961.2U Expired - Fee Related CN209068783U (en) | 2018-08-25 | 2018-08-25 | Pressure-bearing solar vacuum-tube water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209068783U (en) |
-
2018
- 2018-08-25 CN CN201821376961.2U patent/CN209068783U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190705 |