CN2747512Y - Heat conductive pressure bearing pipe line heat exchanging type solar energy water heater - Google Patents

Abstract

The utility model relates to a solar energy water heater. The utility model has the technical proposal that the utility model is composed of a vacuum heat absorption pipe, a water storage cylinder, a bracket, a water-feed pipe and a hot water pipe, wherein, the water storage cylinder is composed of an inner bag, a heat-insulating layer and an outer case. The utility model is characterized in that a metal heat conducting pipe is spliced in the vacuum heat absorption pipe. The top end of the metal heat conducting pipe is connected with a heat conducting metal plate. The heat conducting metal plate is connected with the inner bag of the water storage cylinder. The hot water pipe is connected with a water outlet which is arranged on the upper part of the inner bag of the water storage cylinder. An internal circulation pipe is inserted into the hot water pipe. The top end of the internal circulation pipe is connected with a circulating pump which is arranged above the inner bag. A conduct pipe is inserted into the middle of the inner bag at the outlet of the circulating pump. The bottom end of the internal circulation pipe is directly extended to the lower part of the hot water pipe. The lateral part of the inner bag is provided with an electric heater and a temperature controller. The effects of the utility model are that it does not need manual work to continuously add water. Hot water and cold water are easy to blend. The vacuum pipe does not exist the problem of forming incrustation. Once the vacuum pipe is damaged, the damage can not affect the using of the whole water heater. It is no need to drain the cold water in the pipe when in use. The utility model can save water and time. The requirement of hoisting and controlling temperature can be satisfied by the match of the electric heater and the temperature controller when light is insufficiency.

Description

Heat conduction pressure-bearing, pipeline heat exchanging type solar water heater

One, technical field: the utility model relates to a kind of solar water heater.

Two, background technology: solar water heater more and more is extensive use of by people because of environmental protection and energy saving.Existing solar vacuum-tube water heater mainly is directly to be inserted in the water storage cylinder of band heat-insulation layer by vacuum heat absorbing pipe, and the direct water in the heating, vacuum pipe slowly heats water in the water storage cylinder by the water in the vacuum tube then.The hot water temperature does not reach instructions for use when shining deficiency for the Mi light filling, and device has electric heater and temperature controller in water storage cylinder usually.The defective that the solar vacuum-tube water heater of this structure exists is: 1, water storage cylinder needs manually constantly not water; 2, water drum is influenced by drop, cold and hot difficult mediation for there not being the design of pressure; 3, easy scaling in the vacuum tube, the thermal efficiency descends gradually; 4, in a single day have a vacuum tube to damage, water heater just can not use really; 5, hot water pipeline is long, needs the cold water in the first discharge tube during use, and water wasting is time-consuming.

Three, summary of the invention: the purpose of this utility model is exactly the above-mentioned defective that exists at prior art, and a kind of heat conduction pressure-bearing, pipeline heat exchanging type solar water heater are provided.

Its technical scheme is: comprise vacuum heat absorbing pipe, water storage cylinder, support, upper hose, hot-water line composition, water storage cylinder wherein is made up of inner bag and heat-insulation layer, shell, it is characterized in that: in vacuum heat absorbing pipe, be plugged with the metal heat-conducting pipe, the upper end of metal heat-conducting pipe is connected with thermal conductive metal plate, and thermal conductive metal plate is connected with the inner bag of water storage cylinder.Described hot-water line is connected the delivery port on water storage cylinder inner bag top, in hot-water line, be inserted with an inner circulating tube, the upper end of inner circulating tube is connected with the circulating pump that places the inner bag top, be inserted into middle part in the inner bag in outlet of circulating pump by conduit, the bottom of inner circulating tube directly extends to the bottom of hot-water line, at the sidepiece device of inner bag electric heater and temperature controller is arranged.Be provided with the screw thread of pegging graft and cooperating with the metal heat-conducting pipe on thermal conductive metal plate, be provided with the screw thread that is connected with the metal heat-conducting pipe in the screw thread, thermal conductive metal plate is connected with inner bag by fixed band and fixes, and thermal conductive metal plate is provided with the cambered surface that cooperates with the inner bag cambered surface.Be provided with three-way pipe on the delivery port on inner bag top, be connected with delivery port, hot-water line and circulating pump respectively, the water inlet on inner circulating tube passes three-way pipe and is arranged on circulating pump is pegged graft and is cooperated.

Effect of the present utility model is: 1, after upper hose inserts check valve, water storage cylinder realizes immediately not water, does not need manually constantly not water; 2, in the water storage cylinder for pressure-bearing designs, hot-water line is arranged on the top of water storage cylinder, hot and cold water is in harmonious proportion easily; 3, there is not incrusted problem in the anhydrous design of vacuum tube, has guaranteed that the thermal efficiency is stable; 4, vacuum tube and water storage cylinder directly do not connect, and have vacuum tube to damage, do not influence the use of water heater really in 1st; 5, be provided with the inner circulating tube of finding time in the hot-water line, do not need the cold water in the first discharge tube during use, during the water saving joint; 6, supporting electric heater and temperature controller can satisfy illumination when not enough lifting and the requirement of control temperature.

Four, description of drawings:

Accompanying drawing 1 is the overall structure schematic diagram of a kind of embodiment of the present utility model;

Accompanying drawing 2 is side sectional structure schematic diagrames of vacuum heat absorbing pipe and water storage cylinder part;

Accompanying drawing 3 is partial enlarged drawings of the hot water outlet peripheral part of water storage cylinder.

1 is thermal conductive metal plate among the figure, the 2nd, and circulating pump shell, the 3rd, the inner bag of water storage cylinder, the 4th, the heat-insulation layer of water storage cylinder, the 5th, the shell of water storage cylinder, the 6th, electric heater, the 7th, temperature controller, the 8th, the inner circulating tube of hot-water line, the 9th, hot-water line, the 10th, upper hose, the 11st, running water pipe, the 12nd, check valve, the 13rd, hot water pipe control valve, the 14th, shower, the 15th, thermal conductive metal plate is screw thread fixedly, the 16th, thermal conductive metal plate fixed band, the 17th, heat pipe, the 18th, vacuum heat absorbing pipe, the 19th, circulating pump, the 20th, hot-water line pressure cap, the 21st, conduit, the 22nd, three-way pipe.

Five, the specific embodiment:

With reference to accompanying drawing, solar water heater of the present utility model comprises vacuum heat absorbing pipe 18, water storage cylinder, support (not drawing among the figure), upper hose 10, hot-water line 9, electric heater 6 and temperature controller 7 compositions, and water storage cylinder wherein is made up of inner bag 3 and heat-insulation layer 4, shell 5.Difference from prior art is: be plugged with metal heat-conducting pipe 17 in vacuum heat absorbing pipe 18, the upper end of metal heat-conducting pipe 17 is connected with thermal conductive metal plate 1, and thermal conductive metal plate 1 is connected (requiring inner bag 3 here must be that the metal material with good heat-conducting is made) with the inner bag 3 of water storage cylinder.Described hot-water line 9 is connected the delivery port on water storage cylinder inner bag 3 tops, on the delivery port on inner bag 3 tops, be provided with three-way pipe 22, be connected with delivery port, hot-water line 9 and circulating pump 19 respectively, in hot-water line 9, be inserted with root inner circulating tube 8, the upper end of inner circulating tube 8 is connected with the circulating pump 19 that places inner bag 3 tops, be inserted into middle part in the inner bag 3 in the outlet of circulating pump 19 by conduit 21, the bottom of inner circulating tube 8 directly extends to the bottom of hot-water line 9, and the water inlet on inner circulating tube 8 passes three-way pipe 22 and is arranged on circulating pump is pegged graft and cooperated.On thermal conductive metal plate 1, be provided with the screw thread 15 of pegging graft and cooperating with metal heat-conducting pipe 17, be provided with the screw thread that is connected with metal heat-conducting pipe 17 in the screw thread 15, thermal conductive metal plate 1 is connected with inner bag 3 by fixed band 16 and fixes, thermal conductive metal plate 1 be provided with the arc that cooperates with inner bag 3 cambered surfaces and, with the heat-conducting area between increasing.During use, running water pipe 11 is leaded up to check valve 12 and is connected upper hoses 10 and is connected with water storage cylinder, another road and hot-water line 9 jointly access control valves 13 afterwards showers 14 be connected.

Claims (4)

1, a kind of heat conduction pressure-bearing, pipeline heat exchanging type solar water heater, comprise vacuum heat absorbing pipe, water storage cylinder, support, upper hose, hot-water line composition, water storage cylinder in the tool is made up of inner bag and heat-insulation layer, shell, it is characterized in that: in vacuum heat absorbing pipe, be plugged with the metal heat-conducting pipe, the upper end of metal heat-conducting pipe is connected with thermal conductive metal plate, and thermal conductive metal plate is connected with the inner bag of water storage cylinder.

2, heat conduction pressure-bearing according to claim 1, pipeline heat exchanging type solar water heater, it is characterized in that: described hot-water line is connected the delivery port on water storage cylinder inner bag top, in hot-water line, be inserted with an inner circulating tube, the upper end of inner circulating tube is connected with the circulating pump that places the inner bag top, be inserted into middle part in the inner bag in outlet of circulating pump by conduit, the bottom of inner circulating tube directly extends to the bottom of hot-water line, at the sidepiece device of inner bag electric heater and temperature controller is arranged.

3, heat conduction pressure-bearing according to claim 1, pipeline heat exchanging type solar water heater, it is characterized in that: on thermal conductive metal plate, be provided with the screw thread of pegging graft and cooperating with the metal heat-conducting pipe, be provided with the screw thread that is connected with the metal heat-conducting pipe in the screw thread, thermal conductive metal plate is connected with inner bag by fixed band and fixes, and thermal conductive metal plate is provided with the cambered surface that cooperates with the inner bag cambered surface.

4, heat conduction pressure-bearing according to claim 2, pipeline heat exchanging type solar water heater, it is characterized in that: on the delivery port on inner bag top, be provided with three-way pipe, be connected with delivery port, hot-water line and circulating pump respectively, the water inlet on inner circulating tube passes three-way pipe and is arranged on circulating pump is pegged graft and is cooperated.

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