CN201885447U - Freezing-resistant anti-overheating solar water heater - Google Patents
Freezing-resistant anti-overheating solar water heater Download PDFInfo
- Publication number
- CN201885447U CN201885447U CN2010206982190U CN201020698219U CN201885447U CN 201885447 U CN201885447 U CN 201885447U CN 2010206982190 U CN2010206982190 U CN 2010206982190U CN 201020698219 U CN201020698219 U CN 201020698219U CN 201885447 U CN201885447 U CN 201885447U
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- heat
- liquid
- pressure
- pressure release
- heat exchange
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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 a freezing-resistant anti-overheating solar water heater comprising a heat collector and a pressure-bearing water tank, wherein a heat exchange device is arranged on the heat collector, and the pressure-bearing water tank is connected with a heat exchange interface of the heat exchange device. The freezing-resistant anti-overheating solar water heater is also provided with a liquid storage tank, wherein the liquid storage tank is connected with a liquid replenishment interface of the heat exchange device, the pressure-bearing water tank is provided with a pressure-relief water replenishment port, the pressure-relief water replenishment port is communicated with an inner cavity of the heat exchange device by a pressure-relief water replenishment pipeline, an overflow port is arranged on the liquid storage tank, liquid in the pressure-bearing water tank passes through a freezing-resistant anti-overheating circulation loop comprising the pressure-relief water replenishment port, the pressure-relief water replenishment pipeline, the heat exchange device, the liquid replenishment interface and the liquid storage tank, and the switching-on and the switching-off of the pressure-relief water replenishment pipeline are controlled by a switching-on/switching-off controller. By the condition that the liquid in the pressure-bearing water tank passes through the freezing-resistant anti-overheating circulation loop comprising the pressure-relief water replenishment port, the pressure-relief water replenishment pipeline, the heat exchange device, the liquid replenishment interface and the liquid storage tank in the freezing-resistant anti-overheating solar water heater disclosed by the utility model, the temperature of the liquid in the heat collector can be effectively balanced by the liquid in the pressure-bearing water tank through the circulation loop, thereby preventing overheating and freezing damage.
Description
Technical field
The utility model relates to a kind of freeze proof, anti-overheated solar water heater, belongs to application of solar.
Background technology
Solar water heater is because advantages such as its energy-conserving and environment-protective, safety non-pollution, thereby applied rapidly; Existing solar water heater mainly contains heat collector, have formations such as the heat storage water tank of heat-exchanger rig and pipeline; In order to prevent the heat collector bursting by freezing, generally adopt the water tank of coiled heat-exchanging water tank, interlayer heat-exchanging water tank, built-in heat exchange courage etc., between heat collector and heat-exchanger rig, carry out thermal cycle then, thereby solve the problem of heat collector bursting by freezing by anti-icing fluid; When the solar water heater did not use for a long time, because the long-term irradiation of sunshine, the water temperature in the water tank constantly raise, even near the boiling point of water, thereby produce problems of excessive heat; At present the solar water heater is that mode by temperature, pressure safety valve or fan coil, sunshade solves; The mode that adopts the fluid infusion case is also arranged, and for example application number is 200910025618.2, and name is called " solar water heater with functions of fluid supply and heat dissipation ";
In the existing product, generally adopt enamel or stainless steel water tank in order to solve the employed water tank of freeze proof problem, complicated structure not only increases product cost greatly, and water tank corrodes easily; The freeze proof medium that is adopted because factors such as oxidation make anti-freezing property decay day by day, so require to need its anti-freezing property is detected in two to three years, in case lost efficacy, just must be changed anti frozen liquid in long-term use; So conventional freeze proof method is the cost height not only, and poor reliability.Solving on the problems of excessive heat, the temperature, pressure safety valve that is adopted also needs irregular spool to be rotated activity, and it is stuck to place spool; Application number is 200910025618.2, name is called " solar water heater with functions of fluid supply and heat dissipation " though described technology can be placed the superheating phenomenon generation by the water supply tank heat radiation, but product is at the thermal-arrest circulation time, owing to there are two closed circuits simultaneously, and the water inlet of U type heat exchanger and heat storage water tank, the heat exchange closed circuit that water return outlet constitutes and the fluid infusion mouth of fluid infusion case, the heat radiation closed circuit of refluxing opening and the corresponding interruption-forming of header, when heat radiation recycle loop power is strong, then heat all scatters and disappears by the heat radiation closed circuit, thereby reduces the solar collecting performance of product greatly.In addition, though this product can solve the pipeline frozen problem, can't fine solution header internal water freeze; In case freezing for a long time, the vacuum tube bursting by freezing follows ice cube, glass fragment to fall, and will produce serious accident.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, provides a kind of effective solution freeze proof, overheated and a kind of freeze proof anti-overheated solar water heater that can automatic liquid supply.
According to a kind of freeze proof anti-overheated solar water heater provided by the invention, comprise heat collector and press-bearing water tank, described heat collector is provided with heat-exchanger rig, described press-bearing water tank is connected with the heat exchange interface of described heat-exchanger rig, also be provided with liquid reserve tank, described liquid reserve tank is connected with the fluid infusion interface of described heat-exchanger rig, described press-bearing water tank is provided with the pressure release water supplement port, described pressure release water supplement port communicates with the inner chamber of described heat-exchanger rig by the pressure release water pipe, described liquid reserve tank is provided with overfall, liquid in the described press-bearing water tank is through described pressure release water supplement port, the pressure release water pipe, heat-exchanger rig, fluid infusion interface and liquid reserve tank constitute the freeze proof soft circulation circuit of preventing, described pressure release water pipe is controlled break-make by on-off controller.
Also have following attached technical characterictic according to a kind of freeze proof anti-overheated solar water heater provided by the invention:
Described heat-exchanger rig comprises header and the heat exchanger tube that is arranged in the described header inner chamber, described heat exchanger tube is connected with heat exchange interface on the described header, the upper cycling mouth of described press-bearing water tank is connected with described heat exchange interface by pipeline respectively with following circulation port, constitutes the heat exchange closed circuit.
Be provided with drainage tube in the described header, the delivery port of described drainage tube stretches into the bottom of described header, and described drainage tube is connected with described pressure release water pipe.
Described on-off controller comprises the magnetic valve that is installed on the described pressure release water pipe, be installed in the liquid-level switch of described liquid reserve tank and be used to detect the temperature sensor of described heat collector fluid temperature, and described liquid-level switch and described temperature sensor are controlled described magnetic valve action.
Described liquid-level switch is float switch, pressure switch or level electrode switch.
Described press-bearing water tank is provided with control system, and the detected signal of described liquid-level switch and temperature sensor transfers in the described control system, and described control system is controlled described magnetic valve action.
Described liquid reserve tank bottom is provided with water inlet, and top is provided with overfall, and described water inlet is connected with the fluid infusion interface of described heat-exchanger rig by replenishing line, and described overfall is connected with overflow passage.
Compared with prior art have following advantage according to a kind of freeze proof anti-overheated solar water heater provided by the invention: the utility model constitutes the freeze proof soft circulation circuit of preventing by the liquid in the described press-bearing water tank through described pressure release water supplement port, pressure release water pipe, heat-exchanger rig, fluid infusion interface and liquid reserve tank, liquid in the described press-bearing water tank is by the effective fluid temperature in the balance heat collector of this closed circuit, thus prevent overheated and freezing.Therefore, the utility model can be realized freeze proof and anti-overheated duplicate protection.In addition, the utility model can be realized freeze proof and anti-overheated protection by the circulation line of self, makes that the liquid in the heat collector can adopt common water, has reduced cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation at another visual angle of the present utility model.
Fig. 3 is the cutaway view of the liquid reserve tank in the utility model.
The specific embodiment
Referring to Fig. 1 and 2, a kind of freeze proof anti-overheated solar water heater's who provides at the utility model embodiment, comprise heat collector 1 and press-bearing water tank 2, described heat collector 1 is provided with heat-exchanger rig 3, described press-bearing water tank 2 is connected with the heat exchange interface 31 of described heat-exchanger rig 3, also be provided with liquid reserve tank 4, described liquid reserve tank 4 is connected with the fluid infusion interface 32 of described heat-exchanger rig 3, described press-bearing water tank 2 is provided with pressure release water supplement port 21, described pressure release water supplement port 21 communicates by the inner chamber of pressure release water pipe 22 with described heat-exchanger rig 3, described liquid reserve tank 4 is provided with overfall 41, liquid in the described press-bearing water tank 2 is through described pressure release water supplement port 21, pressure release water pipe 22, heat-exchanger rig 3, fluid infusion interface 32 and liquid reserve tank 4 constitute the freeze proof soft circulation circuit of preventing, described pressure release water pipe 22 is by on-off controller 5 control break-makes.Liquid in the utility model in the press-bearing water tank 2 carries out heat exchange by circulation line and heat-exchanger rig 3, carries out the heat exchange exchange in the heat-exchanger rig 3 and enter behind the heated liquid in the heat collector 1.Wherein heat collector 1, press-bearing water tank 2 and heat-exchanger rig 3 all belong to the structure of comparative maturity, and concrete operation principle and structure repeat no more herein.The difference of the utility model and prior art is: adopt the liquid heat exchanging device 3 in the press-bearing water tank 2 and the temperature of the liquid in the heat collector 1 to control, prevent that it from freezing or overheated.Thereby play freeze proof and overheated duplicate protection.
Referring to Fig. 1 and Fig. 2, in the foregoing description that the utility model provides, described heat-exchanger rig 3 comprises header 33 and the heat exchanger tube 34 that is arranged in described header 33 inner chambers, described heat exchanger tube 34 is connected with heat exchange interface 31 on the described header 33, the upper cycling mouth 23 of described press-bearing water tank 2 is connected with described heat exchange interface 21 by pipeline respectively with following circulation port 24, constitutes the heat exchange closed circuit.Described heat exchange closed circuit is used for the heat of heat collector 1 collection and the liquid of described press-bearing water tank 2 are carried out heat exchange.
Referring to Fig. 1, in the foregoing description that the utility model provides, be provided with drainage tube 35 in the described header 33, the delivery port of described drainage tube 35 stretches into the bottom of described header 33, and described drainage tube 35 is connected with described pressure release water pipe 22.Described drainage tube 35 can drain into the liquid in the press-bearing water tank 2 bottom of header 33, by inject the liquid of press-bearing water tank 2 in the bottom, the extruding of the liquid in the header 33 is cemented out, thereby make the fluid temperature in heat collector 1 and the header 33 reach suitable.
Referring to Fig. 1 and Fig. 3, in the foregoing description that the utility model provides, described on-off controller 5 comprises the magnetic valve 51 that is installed on the described pressure release water pipe 22, be installed in the liquid-level switch 52 of described liquid reserve tank 4 and be used to detect the temperature sensor 53 of described heat collector 1 fluid temperature, described magnetic valve 51 actions of described liquid- level switch 52 and 53 controls of described temperature sensor.Described liquid-level switch 52 is float switch, pressure switch or level electrode switch.Present embodiment is a ball float.
Referring to Fig. 1, in the foregoing description that the utility model provides, described press-bearing water tank 2 is provided with control system 55, and described liquid-level switch 52 and temperature sensor 53 detected signals transfer in the described control system 55, described magnetic valve 51 actions of described control system 55 controls.
Referring to Fig. 3, in the foregoing description that the utility model provides, described liquid reserve tank 4 bottoms are provided with water inlet 42, and top is provided with overfall 41, described water inlet 42 is connected with the fluid infusion interface 32 of described heat-exchanger rig 3 by replenishing line 43, and described overfall 41 is connected with overflow passage 44.
Referring to Fig. 1 to Fig. 3, the concrete operation principle of the foregoing description that provides of the present utility model is: when using first, the float switch of ball float is in on-state, control system control magnetic valve 51 is switched at once, and the water in the press-bearing water tank 2 enters in the header 33 through drainage tube 35 drainages by magnetic valve 51 at this moment; When the rising along with liquid level, the air in the header 33 is discharged from the overfall 41 of liquid reserve tank 4 through the fluid infusion interface 32 of header 33; Because the factor of hydraulic pressure, final liquid level can rise in the liquid reserve tank 4, and the ball float of float switch is floated, and float switch is disconnected, and this moment, magnetic valve 51 outages were closed, and finished the fluid infusion action; In use, when liquid level was lower than the connection liquid level of float switch, float switch was connected fluid infusion once more.
During thermal-arrest, heat collecting vacuum pipe absorbs the water in the heating header 33 behind the sunshine, and carries out heat exchange by heat exchanging pipe and water in the press-bearing water tank 2, by the heat exchange closed circuit heat delivery in press-bearing water tank 2, the water in the press-bearing water tank 2 are heated;
In the use, when the temperature that detects when the temperature sensor in the pipeline 53 is lower than the antifreezing function start-up temperature or is higher than anti-overheated function on temperature, control system starts magnetic valve 51, high-temperature water in the press-bearing water tank 2 enters header 33 bottoms by moisturizing pressure release path, water at low temperature in the header 33 or high-temperature water are headed in the liquid reserve tank 4, and enter in the sewer through overfall 41; When the temperature of surveying when temperature sensor 53 was higher than the antifreezing function start-up temperature or is lower than anti-overheated function on temperature, control system was closed magnetic valve 51; In order to prevent that the ball float that causes float switch because of leaking from can't float, thereby cause magnetic valve 51 long-term energising water supply, control system writes down the conduction time of magnetic valve 51 automatically, when surpass setting-up time conduction time, control system is closed magnetic valve 51 by force, thereby prevents that floods from taking place.
Claims (7)
1. freeze proof anti-overheated solar water heater, comprise heat collector and press-bearing water tank, described heat collector is provided with heat-exchanger rig, described press-bearing water tank is connected with the heat exchange interface of described heat-exchanger rig, also be provided with liquid reserve tank, described liquid reserve tank is connected with the fluid infusion interface of described heat-exchanger rig, it is characterized in that: described press-bearing water tank is provided with the pressure release water supplement port, described pressure release water supplement port communicates with the inner chamber of described heat-exchanger rig by the pressure release water pipe, described liquid reserve tank is provided with overfall, liquid in the described press-bearing water tank is through described pressure release water supplement port, the pressure release water pipe, heat-exchanger rig, fluid infusion interface and liquid reserve tank constitute the freeze proof soft circulation circuit of preventing, described pressure release water pipe is controlled break-make by on-off controller.
2. a kind of freeze proof anti-overheated solar water heater as claimed in claim 1, it is characterized in that: described heat-exchanger rig comprises header and the heat exchanger tube that is arranged in the described header inner chamber, described heat exchanger tube is connected with heat exchange interface on the described header, the upper cycling mouth of described press-bearing water tank is connected with described heat exchange interface by pipeline respectively with following circulation port, constitutes the heat exchange closed circuit.
3. a kind of freeze proof anti-overheated solar water heater as claimed in claim 2, it is characterized in that: be provided with drainage tube in the described header, the delivery port of described drainage tube stretches into the bottom of described header, and described drainage tube is connected with described pressure release water pipe.
4. a kind of freeze proof anti-overheated solar water heater as claimed in claim 1, it is characterized in that: described on-off controller comprises the magnetic valve that is installed on the described pressure release water pipe, be installed in the liquid-level switch of described liquid reserve tank and be used to detect the temperature sensor of described heat collector fluid temperature, and described liquid-level switch and described temperature sensor are controlled described magnetic valve action.
5. a kind of freeze proof anti-overheated solar water heater as claimed in claim 4, it is characterized in that: described liquid-level switch is float switch, pressure switch or level electrode switch.
6. a kind of freeze proof anti-overheated solar water heater as claimed in claim 4, it is characterized in that: described press-bearing water tank is provided with control system, the detected signal of described liquid-level switch and temperature sensor transfers in the described control system, and described control system is controlled described magnetic valve action.
7. a kind of freeze proof anti-overheated solar water heater as claimed in claim 1, it is characterized in that: described liquid reserve tank bottom is provided with water inlet, top is provided with overfall, and described water inlet is connected with the fluid infusion interface of described heat-exchanger rig by replenishing line, and described overfall is connected with overflow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206982190U CN201885447U (en) | 2010-12-28 | 2010-12-28 | Freezing-resistant anti-overheating solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206982190U CN201885447U (en) | 2010-12-28 | 2010-12-28 | Freezing-resistant anti-overheating solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201885447U true CN201885447U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206982190U Expired - Fee Related CN201885447U (en) | 2010-12-28 | 2010-12-28 | Freezing-resistant anti-overheating solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201885447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237130A (en) * | 2021-03-30 | 2021-08-10 | 江苏四季沐歌有限公司 | Solar energy and air energy efficient circulating heating system |
-
2010
- 2010-12-28 CN CN2010206982190U patent/CN201885447U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237130A (en) * | 2021-03-30 | 2021-08-10 | 江苏四季沐歌有限公司 | Solar energy and air energy efficient circulating heating system |
| CN113237130B (en) * | 2021-03-30 | 2022-03-18 | 江苏四季沐歌有限公司 | Solar energy and air energy efficient circulating heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |