CN104422180A - Up-water and down-water temperature control device applied to solar water heater and having function of preventing mixture of cold water and hot water - Google Patents
Up-water and down-water temperature control device applied to solar water heater and having function of preventing mixture of cold water and hot water Download PDFInfo
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- CN104422180A CN104422180A CN201310399880.XA CN201310399880A CN104422180A CN 104422180 A CN104422180 A CN 104422180A CN 201310399880 A CN201310399880 A CN 201310399880A CN 104422180 A CN104422180 A CN 104422180A
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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
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Abstract
The invention discloses an up-water and down-water temperature control device applied to a solar water heater and having a function of preventing mixture of cold water and hot water. The up-water and down-water temperature control device comprises a control unit, a hot water pipeline, a return water pipeline, a cold water feeding pipeline, a cold water temperature control pipeline and a water temperature and level sensor. The pipelines are provided with a water pump, a return water electric valve, a flow signal sensor, a feeding electric valve and a thermostatic valve. The hot water pipeline, the return water pipeline, the cold water temperature control pipeline, the cold water feeding pipeline, the water pump, the feeding electric valve, the thermostatic valve, the flow signal sensor, the return water electric valve and the like are mounted within a mounting box; the cold water temperature control pipeline is provided with an anti-mixture electric valve which is serially connected with the thermostatic valve; the input of the anti-mixture electric valve is connected with the control unit. The up-water and down-water temperature control device has the advantages that mixture of the cold water and the hot water is prevented during temperature controlling.
Description
Technical field
The present invention relates to the field of water management up and down of solar water heater.
Background technology
Solar water heater is arranged on roof usually, its upper and lower conduit road is generally direct to be connected with the hot and cold water in family by control device, control device controls the upper water of solar water heater, circulation, temperature adjustment, in temperature adjustment process, cold water pressure is low, hot water can be caused to seal in cold water pipe, and impurity causes heat control valve to be not closed completely, ceaselessly can add cold water in solar water heater, string water phenomenon can often occur.
Summary of the invention
The object of the invention is: the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water can be prevented by providing a kind of
For achieving the above object, present invention employs following technical scheme.
Prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, comprising: controller, hot water line, water return pipeline, cold water watering pipeline, cold water temperature adjustment pipeline and the water-temperature water-level sensor be installed in solar water heater water tank, hot water line or water return pipeline are provided with water pump, water return pipeline is provided with backwater motor-driven valve, hot water line is provided with water flow signal transducer, cold water watering pipeline is provided with water motor-driven valve, one end of cold water watering pipeline is connected with hot water line or water return pipeline, cold water temperature adjustment pipeline is provided with thermostatic valve, and one end of cold water temperature adjustment pipeline is connected with hot water line, and the temperature sense of thermostatic valve is arranged on hot water line, the signal output part of water-temperature water-level sensor, the signal input part that the signal output part of water flow signal transducer is corresponding with controller are electrically connected, and the water pump control signal that controller exports, backwater motor-driven valve control signal, upper water power move valve control signal and be electrically connected with the control end of water pump, backwater motor-driven valve, upper water motor-driven valve respectively, described hot water line, water return pipeline, cold water temperature adjustment pipeline, cold water watering pipeline, water pump, upper water motor-driven valve, thermostatic valve, water flow signal transducer, backwater motor-driven valve etc. is arranged in an installation casing, install and casing is provided with the hot water be communicated with hot water line and intakes interface and hot water effluent's interface, the backwater be communicated with water return pipeline is had to intake interface and backwater water outlet mouthpiece, and with cold water watering pipeline, the cold water interface that cold water temperature adjustment pipeline 1 is communicated with, it is characterized in that: cold water temperature adjustment pipeline is also arranged anti-string water motor-driven valve, anti-string water motor-driven valve and thermostatic valve series winding, the input of anti-string water motor-driven valve is connected with controller.
Further, described cold water temperature adjustment pipeline also arranges check valve, check valve and thermostatic valve series winding.
Further, described controller is also installed on to be installed on casing.
Further, the water return pipeline in casing is arranged return water temperature sensor, the signal input part that the signal output part of return water temperature sensor is corresponding with controller is electrically connected.
Further, can set temperature sensor on the water return pipeline that install bin is external, the signal input part that the signal output part of temperature sensor is corresponding with controller is electrically connected.
Further, the nearly outlet position of hot water line is provided with hot water effluent's temperature sensor, the signal input part that the signal output part of hot water effluent's temperature sensor is corresponding with controller is electrically connected,
Further, solar water heater also arranges electrical heating, electrical heating input is connected with the corresponding control end of controller.
Further, hot water line also arranges and often drives motor-driven valve, often opens motor-driven valve input and is connected with the corresponding control end of controller.
Further, the spool of thermostatic valve adopts paraffin thermostatic element.
Further, the spool of thermostatic valve adopts shape memory alloy spring.
The invention has the beneficial effects as follows: in solar water heater system, use control device of the present invention, when temperature adjustment uses, hot and cold water can not go here and there water.
Accompanying drawing explanation
Fig. 1 is the structural representation preventing the solar water heater upper and lower water discharging temperature control device preferred embodiment of hot and cold water string water of the present invention.
Fig. 2 is the control principle block diagram of the controller in Fig. 1.
Fig. 3 is the using state figure preventing the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water that prevents of the present invention is further described.
Shown in Fig. 1, Fig. 2, Fig. 3, in the present embodiment, described prevents the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, comprising: controller 9, hot water line 2, water return pipeline 12, cold water watering pipeline 19, cold water temperature adjustment pipeline 18 and the water-temperature water-level sensor 23 be installed in solar water heater water tank 25, hot water line 2 or water return pipeline 12 are provided with water pump 5, water return pipeline 12 is provided with backwater motor-driven valve 11, hot water line 2 is provided with water flow signal transducer 6, cold water watering pipeline 19 is provided with water motor-driven valve 16, one end of cold water watering pipeline 19 is connected with hot water line 2 or water return pipeline 12, cold water temperature adjustment pipeline 18 is provided with thermostatic valve 15, and one end of cold water temperature adjustment pipeline 18 is connected with hot water line 2, and the temperature sense 4 of thermostatic valve 15 is arranged on hot water line 2, the signal output part of water-temperature water-level sensor 23, the signal input part that the signal output part of water flow signal transducer 6 is corresponding with controller 9 are electrically connected, and water pump 5 control signal that controller 9 exports, backwater motor-driven valve 11 control signal, upper water electric valve control 16 signal processed are electrically connected with the control end of water pump 5, backwater motor-driven valve 11, upper water motor-driven valve 16 respectively, described hot water line 2, water return pipeline 12, cold water temperature adjustment pipeline 18, cold water watering pipeline 19, water pump 5, upper water motor-driven valve 16, thermostatic valve 15, water flow signal transducer 6, backwater motor-driven valve 11 etc. is arranged in an installation casing 20, install and casing 20 is provided with the hot water be communicated with hot water line 2 and intakes interface 1 and hot water effluent's interface 8, the backwater be communicated with water return pipeline 12 is had to intake interface 14 and backwater water outlet mouthpiece 10, and with cold water watering pipeline 19, the cold water interface 17 that cold water temperature adjustment pipeline 18 is communicated with, it is characterized in that: cold water temperature adjustment pipeline 18 is also arranged anti-string water motor-driven valve 26, anti-string water motor-driven valve 26 and thermostatic valve 15 are contacted, the input of anti-string water motor-driven valve 26 is connected with controller 9.
Further, described cold water temperature adjustment pipeline 18 also arranges check valve 27, and check valve 27 and thermostatic valve 15 are contacted.
Further, described controller 9 is also installed on to be installed on casing 20.
Further, the water return pipeline 12 in casing arranges return water temperature sensor 13, the signal input part that the signal output part of return water temperature sensor 13 is corresponding with controller 9 is electrically connected.
Further, installing on the water return pipeline 22 outside casing 20 can set temperature sensor 29, and the signal input part that the signal output part of temperature sensor 29 is corresponding with controller 9 is electrically connected.
Further, the nearly outlet position of hot water line 2 is provided with hot water effluent's temperature sensor 7, the signal input part that the signal output part of hot water effluent's temperature sensor 7 is corresponding with controller 9 is electrically connected,
Further, solar water heater also arranges electrical heating 24, electrical heating 24 input is connected with the corresponding control end of controller 9.
Further, hot water line 2 also arranges and often drives motor-driven valve 3, often opens motor-driven valve 3 input and is connected with the corresponding control end of controller 9.
Further, the spool of thermostatic valve adopts paraffin thermostatic element.
Further, the spool of thermostatic valve adopts shape memory alloy spring.
Shown in Figure 3, during practical application, be connected by external water pipe 21 water tank 25 of solar water heater and hot water intake interface 1, by external water pipe 22, water tank 25 is connected with backwater water outlet mouthpiece 10, be connected by external water pipe 30 hot water effluent's interface 8 and backwater intake interface 14, tap 12 is arranged on external water pipe 30, is connected by upper water water inlet interface 17 with the water supply pipe in family.
During use, first can by the preset setting return water temperature of controller 9.Then leading 28 are fetched boiling water, at once tap 28 is closed after tap 28 there are flowing out, now, water flow signal transducer 6 detects in hot water line 2 to be had water flow and sends signal, after controller 9 receives the signal that water flow signal transducer 6 brings, export control signal startup water pump 5 to work, export control signal simultaneously and open backwater motor-driven valve 11, hot water line 2 and water return pipeline 12 is made to form circulation waterway, the cold water in hot water line 2 is allowed to be circulated back in the water tank 25 of solar water heater as early as possible, in the process, the temperature measured when return water temperature sensor 13 or 29 operates after certain hour (being usually set as 60 seconds) higher than the return water temperature of setting or water pump 6, controller 9 switches off the pump 5 and backwater motor-driven valve 11, water stops circulation.Now, then tap 28 of fetching boiling water, just normally can use hot water.
The above-mentioned upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water that prevents also can realize hot water function of increasing pressure, the temperature measured when return water temperature sensor 13 or 29 reaches the return water temperature of setting or water pump 5 and operates after certain hour (being usually set as 60 seconds), fetch boiling water leading 28, water flow signal transducer 6 detects in hot water line 2 to be had water flow and sends signal, after controller 9 receives the signal that water flow signal transducer 6 brings, controller 9 startup water pumps 5 work, do not open backwater motor-driven valve 11, just can hydrant 12 supercharging.
Above-mentioned for preventing the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water from can also carry out temperature adjustment to hot water effluent's temperature, hot water effluent's temperature is made to keep constant temperature, hot and cold water can not go here and there water, concrete mode is as follows: when having hot water to flow in hot water line 2, and controller receives the signal 6 of water flow signal transducer, opens anti-string water motor-driven valve 26, hot water is not had to flow, close anti-string water motor-driven valve 26, and installed check valve 27, cold water water can not be ganged up.By thermostatic valve 15 preset setting hot water effluent temperature; Hot water temperature in temperature inductor 4 induction heat water lines 2 exceedes hot water effluent's temperature of setting, thermostatic valve 15 can regulate the water yield of the cold water added automatically, hot water in the cold water added by temperature adjustment pipeline 18 and hot water line 2 is suitably mixed, makes the hot water temperature in temperature inductor 4 induction heat water lines 2 reach hot water effluent's temperature of setting.When the hot water temperature in temperature inductor 4 induction heat water lines 2 is not higher than hot water effluent's temperature of setting, thermostatic valve 15 is in closed condition automatically.
In addition, the above-mentioned upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water that prevents can also control water as required easily, when the water level that the water-temperature water-level sensor 23 in solar water heater water tank 25 detects in water tank 25 is in low level, after controller 9 receives the signal of water-temperature water-level sensor 23, export control signal and open water motor-driven valve 16, upper water is just intake through hot water line 2 by watering pipeline 19 in the water tank 25 of solar water heater; When the water level that water-temperature water-level sensor 23 detects in water tank 25 is in a high position, after controller 9 receives the signal of water-temperature water-level sensor 23, output control signal pass is closed water power and is moved valve 16, just stops intaking in water tank 25.If in startup during water function of increasing pressure, controller 9 controls to open water motor-driven valve 16, often drives motor-driven valve 3, water pump 5, backwater motor-driven valve 11, and cold water, by the supercharging of water pump 5, flows through water on water return pipeline 12.When solar water container 25 water temperature is inadequate, controller 9 can start electrical heating 24 and heat.
In actual applications, described each motor-driven valve can select the conventional magnetic valve used and the magnetic valve being with one-way function.
Claims (10)
1. prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, comprising: controller, hot water line, water return pipeline, cold water watering pipeline, cold water temperature adjustment pipeline and the water-temperature water-level sensor be installed in solar water heater water tank, hot water line or water return pipeline are provided with water pump, water return pipeline is provided with backwater motor-driven valve, hot water line is provided with water flow signal transducer, cold water watering pipeline is provided with water motor-driven valve, one end of cold water watering pipeline is connected with hot water line or water return pipeline, cold water temperature adjustment pipeline is provided with thermostatic valve, and one end of cold water temperature adjustment pipeline is connected with hot water line, and the temperature sense of thermostatic valve is arranged on hot water line, the signal output part of water-temperature water-level sensor, the signal input part that the signal output part of water flow signal transducer is corresponding with controller are electrically connected, and the water pump control signal that controller exports, backwater motor-driven valve control signal, upper water power move valve control signal and be electrically connected with the control end of water pump, backwater motor-driven valve, upper water motor-driven valve respectively, described hot water line, water return pipeline, cold water temperature adjustment pipeline, cold water watering pipeline, water pump, upper water motor-driven valve, thermostatic valve, water flow signal transducer, backwater motor-driven valve etc. is arranged in an installation casing, install and casing is provided with the hot water be communicated with hot water line and intakes interface and hot water effluent's interface, the backwater be communicated with water return pipeline is had to intake interface and backwater water outlet mouthpiece, and with cold water watering pipeline, the cold water interface of cold water temperature adjustment pipeline connection, it is characterized in that: cold water temperature adjustment pipeline is also arranged anti-string water motor-driven valve, anti-string water motor-driven valve and thermostatic valve series winding, the input of anti-string water motor-driven valve is connected with controller.
2. according to claim 1ly prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, it is characterized in that: described cold water temperature adjustment pipeline also arranges check valve, check valve and thermostatic valve series winding.
3. according to any one of claim 1 to 2ly prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, it is characterized in that: described controller is also installed on to be installed on casing.
4. according to any one of claim 1 to 3ly prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, it is characterized in that: the water return pipeline in casing is arranged return water temperature sensor, the signal input part that the signal output part of return water temperature sensor is corresponding with controller is electrically connected.
5. according to any one of claim 1 to 4ly prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, it is characterized in that: can set temperature sensor on the water return pipeline that install bin is external, the signal input part that the signal output part of temperature sensor is corresponding with controller is electrically connected.
6. according to any one of claim 1 to 5ly prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, it is characterized in that: the nearly outlet position of hot water line is provided with hot water effluent's temperature sensor, the signal input part that the signal output part of hot water effluent's temperature sensor is corresponding with controller is electrically connected
7. according to any one of claim 1 to 6ly prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, it is characterized in that: solar water heater also arranges electrical heating, electrical heating input is connected with the corresponding control end of controller.
8. according to any one of claim 1 to 7ly prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, it is characterized in that: hot water line also arranges and often drives motor-driven valve, often open motor-driven valve input and be connected with the corresponding control end of controller.
9. according to any one of claim 1 to 8ly prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, it is characterized in that: the spool of thermostatic valve adopts paraffin thermostatic element.
10. according to any one of claim 1 to 8ly prevent the upper and lower water discharging temperature control device of the solar water heater of hot and cold water string water, it is characterized in that: the spool of thermostatic valve adopts shape memory alloy spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399880.XA CN104422180A (en) | 2013-09-05 | 2013-09-05 | Up-water and down-water temperature control device applied to solar water heater and having function of preventing mixture of cold water and hot water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399880.XA CN104422180A (en) | 2013-09-05 | 2013-09-05 | Up-water and down-water temperature control device applied to solar water heater and having function of preventing mixture of cold water and hot water |
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| CN104422180A true CN104422180A (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310399880.XA Pending CN104422180A (en) | 2013-09-05 | 2013-09-05 | Up-water and down-water temperature control device applied to solar water heater and having function of preventing mixture of cold water and hot water |
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| CN (1) | CN104422180A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016770A (en) * | 2016-05-30 | 2016-10-12 | 天津艾斯腾节能环保科技有限公司 | Intelligent backwater control system |
| CN108562047A (en) * | 2018-02-14 | 2018-09-21 | 艾欧史密斯(中国)热水器有限公司 | Water route module, hot-water heating system and control method |
| CN110332724A (en) * | 2019-06-18 | 2019-10-15 | 席海群 | A kind of auxiliary device of solar water heater |
| CN111810676A (en) * | 2019-04-11 | 2020-10-23 | 宁波方太厨具有限公司 | Anti-water-mixing three-way valve and zero-cold-water hot water system |
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| CN2713387Y (en) * | 2004-08-05 | 2005-07-27 | 浙江大学 | A novel household solar water heater system |
| CN102252415A (en) * | 2011-07-26 | 2011-11-23 | 美的集团有限公司 | Adjustable constant-temperature constant-current water heater |
| CN102589177A (en) * | 2012-03-26 | 2012-07-18 | 苏州开来新能源有限公司 | Water feeding and discharging temperature control device for solar water heater |
| CN102589176A (en) * | 2012-03-26 | 2012-07-18 | 苏州开来新能源有限公司 | Water supplying and draining control device for solar water heater |
| CN203605496U (en) * | 2013-09-05 | 2014-05-21 | 苏州开来新能源有限公司 | Solar water heater supplied water and discharged water temperature control device for preventing mixture of cold water and hot water |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2713387Y (en) * | 2004-08-05 | 2005-07-27 | 浙江大学 | A novel household solar water heater system |
| CN102252415A (en) * | 2011-07-26 | 2011-11-23 | 美的集团有限公司 | Adjustable constant-temperature constant-current water heater |
| CN102589177A (en) * | 2012-03-26 | 2012-07-18 | 苏州开来新能源有限公司 | Water feeding and discharging temperature control device for solar water heater |
| CN102589176A (en) * | 2012-03-26 | 2012-07-18 | 苏州开来新能源有限公司 | Water supplying and draining control device for solar water heater |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016770A (en) * | 2016-05-30 | 2016-10-12 | 天津艾斯腾节能环保科技有限公司 | Intelligent backwater control system |
| CN108562047A (en) * | 2018-02-14 | 2018-09-21 | 艾欧史密斯(中国)热水器有限公司 | Water route module, hot-water heating system and control method |
| CN111810676A (en) * | 2019-04-11 | 2020-10-23 | 宁波方太厨具有限公司 | Anti-water-mixing three-way valve and zero-cold-water hot water system |
| CN111810676B (en) * | 2019-04-11 | 2021-07-23 | 宁波方太厨具有限公司 | Anti-water-mixing three-way valve and zero-cold-water hot water system |
| CN110332724A (en) * | 2019-06-18 | 2019-10-15 | 席海群 | A kind of auxiliary device of solar water heater |
| CN110332724B (en) * | 2019-06-18 | 2021-03-05 | 席海群 | Auxiliary device of solar water heater |
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Application publication date: 20150318 |