CN202024486U - Constant pressure solar collector set in dual-use type for providing boiling water and hot water - Google Patents
Constant pressure solar collector set in dual-use type for providing boiling water and hot water Download PDFInfo
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- CN202024486U CN202024486U CN2010206404203U CN201020640420U CN202024486U CN 202024486 U CN202024486 U CN 202024486U CN 2010206404203 U CN2010206404203 U CN 2010206404203U CN 201020640420 U CN201020640420 U CN 201020640420U CN 202024486 U CN202024486 U CN 202024486U
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
Abstract
The utility model relates to a constant pressure solar collector set in dual-use type for providing boiling water and hot water. The constant pressure solar collector set can realize auxiliary heating for boiling water source or heating for hot water used for bathing through programmable control and relevant electric (magnetic) valve switching according to usage requirements of users. The constant pressure solar collector set in the utility model includes an outdoor solar collecting unit and an indoor unit. The outdoor solar collecting unit is formed by connecting a heat collector, relevant pipelines, an instrument, and a valve. The indoor set is formed by connecting a solar hot water storage tank, a water softener, a heat circulating pump, a tank for exchange boiling water for hot water, a pressure-superposed feed tank, a boiling water tank and an auxiliary heat source through pipelines and an electric (electromagnetic) valve. In the utility model, the pressure-superposed water feeding technology is firstly applied to the solar water heating system to improve heat transfer efficiency and reducing heat loss, thereby achieving the effects of taking up less room, costing low, protecting environment and saving energy. The constant pressure solar collector set has a prominent energy-saving advantage and a compact structure, thereby taking less space. Therefore, the constant pressure solar collector set in the utility model can be used to provide a small solar hot water integrate supply system for schools, industrial factories, hotels, armies, real estate companies and the other units.
Description
Technical field
The utility model relates to a kind of heat energy that utilizes solar thermal collector to produce, and by the mode of indirect heat exchange, running water can be added thermosetting boiling water water source, is heated into boiling water by conventional energy resource again; Also running water can be added the dual-purpose solar unit that the thermosetting health hot water is used for bathing.
Background technology
Solar thermal collector is converted into heat energy to solar energy, and water is heated to high-temperature from low temperature, uses to satisfy the hot water of people in life, production.But in the hot-water heating hot-water heating system, utilize solar energy at present, also exist the factor that building hot-water heating designer and hot-water heating enterprise lack intervention, mainly be that solar product enterprise is promoting market aspect hot water, and solar product enterprise lacks abundant system and water heating product utilization experience aspect water-heating system, the design of system is existed the defective of inadequate natural endowment; Solar energy for hot-water heating enterprise and hot-water heating designer, participates in the utilization of solar energy on water-heating system as a kind of unsettled thermal source, is bringing into play huge market impetus.
Summary of the invention
In view of above-mentioned, the purpose of this utility model is to provide a kind of normal pressure heat collection type solar energy water-boiling and hot water two purpose unit.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of normal pressure thermal-arrest solar energy water-boiling hot water two purpose type unit, divide outdoor thermal-arrest and indoor units: outdoor solar heat collector district contains thermal-arrest district and relevant pipeline; Instrument, valve are formed, and are provided with temperature sensor T1, T2 in the thermal-arrest district; Indoor units contains normal pressure solar energy heating water tank, water softener, thermal-arrest circulating pump, laminates the hot water water supply tank, heat exchange pump, pressurization supply-water pump, boiling water water source heat-exchanging water tank, Based Intelligent Control cabinet, boiled water tank and auxiliary thermal source, relevant electronic (electromagnetism) valve; It is characterized in that:
A. be provided with cooling-water temperature sensor T3 and pressure sensor P1 in the solar energy heating water tank; Laminate pressure transmitter P3 and ionic rod water treater are set in the water supply tank; Be provided with pressure sensor P2 and temperature transmitter T4 in the boiling water water source heat-exchanging water tank;
B. water softener is connected with the solar energy heating water tank by magnetic valve D1 on the pipeline; Be connected with the corresponding import and export of solar energy heating water tank by pipeline thermal-arrest circulating pump respectively between heat collector, heat collector water inlet place temperature sensor T1, heat collector water outlet place temperature sensor T2 in each thermal-arrest district; The outlet of solar energy heating water tank divides two the tunnel, leads up on the pipeline magnetic valve D7 and switch motor-driven valve D6, heat exchange pump and boiling water water source heat-exchanging water tank heat-exchanging tube bundle and be communicated with the solar energy heating water tank; Another road is communicated with the solar energy heating water tank by moisturizing pressure sensor P4, heat exchange pump, magnetic valve D5 on the pipeline and the heat-exchanging tube bundle that laminates in the water supply tank;
C. the running water back with water inlet line is connected with the boiling water heat-exchanging water tank by magnetic valve D2, and the feed water inlet, boiling water water source of boiling water heat-exchanging water tank is communicated with boiled water tank by magnetic valve D4 on the pipeline; On the water outlet pipeline of boiled water tank magnetic valve D8 is set;
D. the running water back with water inlet line by magnetic valve D3 and hot water backwater's pipeline upper sensor T6, switch motor-driven valve D6 and laminate the hot water water supply tank and be connected, the hot water feeding pipe's line that laminates the hot water water supply tank is by pressurizeing supply-water pump, hot water pressure of supply water sensor P4 and laminate water tank temperature sensor T5 and laminate water supply tank and be communicated with;
E. the connection of control system: the pressure transmitter on water softener, heat-collecting pump, heat exchange pump, supply-water pump and each pipeline on electromagnetism (moving) valve: D1, D2, D3, D4, D5, D6, D7 and each pipeline and the equipment: P1, P2, P3, P4, the temperature transmitter on P5 and each pipeline and the equipment: T1, T2, T3, T4, T5, T6 are connected with switch board by cable, electric wire respectively.
The utility model is compared the advantage that has with the prior art tabulation:
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure:
| Code | Implication | Effect in the system |
| SW1-1 | Boiling water heat-exchanging water tank low water level setting value | |
| SW1-2 | Boiling water heat-exchanging water tank high water level setting value | |
| D2 | Boiling water heat-exchanging water tank entering water electromagnetic valve | |
| SWG1 | Boiling water heat-exchanging water tank superelevation water level settings value | |
| P1 | Solar energy heating cistern water level pressure sensor | |
| D1 | Solar energy heating water tank moisturizing motor-driven valve | |
| SW2-1 | Solar energy heating water tank low water level setting value | |
| SW2-2 | Solar energy heating water tank high water level setting value | |
| SWG2 | Solar energy heating water tank superelevation water level settings value | |
| P4 | Supply-water pump frequency conversion moisturizing pressure sensor | |
| D3 | Running water moisturizing magnetic valve | |
| DR | Heat tape | |
| T7 | The boiled water tank temperature sensor | |
| T6 | Domestic hot-water's return water temperature sensor | |
| T5 | Laminate the water tank temperature sensor | |
| T4 | Boiling water heat-exchanging water tank temperature sensor | |
| T3 | Solar heat-preservation water tank temperature sensor | |
| T2 | Heat collector water side temperature | |
| T1 | Heat collector water inlet end temperature | |
| TZ | Day mode starting time setting value | |
| TW | Evening, the pattern starting time set value | |
| TL-1 | The antifreeze electrical heating start-up temperature setting value of outdoor pipeline | |
| TL-2 | The minimum setting operating temperature of outdoor pipeline value | |
| TL-0 | The antifreeze electrical heating of outdoor pipeline stops set temperature value | |
| S1 | Boiled water tank moisturizing setting-up |
|
| S2 | Boiled water tank moisturizing setting-up |
|
| S3 | Boiled water tank moisturizing setting-up |
|
| ST1 | The auxiliary heating |
|
| ST2 | The auxiliary heating |
|
| ST3 | The auxiliary heating |
|
| TKD | The minimum supply water temperature setting value of boiling water | |
| TKG | The highest supply water temperature setting value of boiling water | |
| SW3 | Boiled water tank high water level setting value | |
| SWG3 | Boiled water tank superelevation water level newspaper alarm setting value | |
| D4 | To boiled water tank moisturizing motor-driven valve | |
| D5 | Boiling water system and hot-water heating system are switched motor-driven valve | |
| D6 | Boiling water system and hot-water heating system are switched motor-driven valve | |
| D7 | Hot water backwater's motor-driven valve | |
| D8 | Boiling water water supply motor-driven valve | |
| P2 | Boiling water heat-exchanging water tank base pressure sensor | |
| P3 | Laminate the water supply tank pressure sensor | |
| P4 | Hot water pressure of supply water sensor | |
| P5 | The boiled water tank pressure sensor |
Fig. 2 is Fig. 1 solar energy switch board PLC figure.
The specific embodiment
A kind of normal pressure thermal-arrest solar energy water-boiling hot water two purpose type unit, divide outdoor thermal-arrest and indoor units: outdoor solar heat collector district contains thermal-arrest district 1 and relevant pipeline; Instrument, valve are formed, and are provided with temperature sensor T1, T2 in the thermal-arrest district 1; Indoor units contains normal pressure solar energy heating water tank 2, water softener 3, thermal-arrest circulating pump 4, laminates hot water water supply tank 5, heat exchange pump 6, pressurization supply-water pump 7, boiling water water source heat-exchanging water tank 8, Based Intelligent Control cabinet 9, boiled water tank 10 and auxiliary thermal source, relevant motor-driven valve
Below in conjunction with Fig. 1, the utility model is further described again by being divided into the four systems process:
1, collecting system
Native system is formed: solar energy collection heat-exchanging water tank 2, heat-collecting pump 4, small pump, solar heat collector 1 and support, water softener 3, softened water tank etc.
A, collecting system antiscale working medium: running water produces soft water supply and gives collecting system under the effect of water softener 3, as heat-transfer working medium, this working medium has promptly been removed calcium ions and magnesium ions through behind the water softener, make heat-transfer working medium scaling not in diabatic process, the heat exchange efficiency that maintenance in service is higher prolongs service life of equipment; Than adding the chemical mediator environmental protection, free from environmental pollution simultaneously, and low production cost.
B, solar heat collecting and circulating system moisturizing: after running water softens by water softening device, enter solar energy heating water tank 2, level pressure sensor P1 by being arranged on the solar energy heating water tank bottom and advance water softener 3 before electronic (magnetic) valve D1 control solar energy heating cistern water level, (the low water level value that can set) moisturizing in time when water level is lower than SW2-1; (the high water level value that can set) in time closed electronic (magnetic) valve and cut off the water when cistern water level is higher than SW2-2; When D1 is malfunctioning, when water level is higher than the SWG2 setting value, send sound and light alarm, but audible alarm is established mute button.
C, with 24 hours the system, TZ every day (initial value on daytime that can set was as 7 o'clock) to TW (stop value on daytime that can set was as 21 o'clock) be daytime; TW to the second day every day, TZ was evening.
D, solar energy heating pump 4 regularly switch, temperature difference control: during day mode, when T1 〉=TL-2, when in water at low temperature T3 and the heat collector in the water tank between high-temperature water T2 heat exchange: when T2-T3 〉=Δ T when playing the pump temperature approach (setting), heat-collecting pump 4 startings; When T2-T3 ∠ Δ T the temperature approach of the program setting (time), heat-collecting pump 4 stops, and the water in the heat collector begins the next round circulation after temperature raises under solar irradiation; When day mode, when T1＜TL-2, heat-collecting pump 4 is inoperative.When changing evening over to during pattern, heat-collecting pump 4 is inoperative.
The protection of e, heat-collecting pump 4: in the pattern that works by day, as P1≤P
TBJ(hydraulic pressure value is set in the heat-collecting pump termination of pumping), heat-collecting pump 4 stops, and can't start.
F, anti-frost protection:
System carries out evacuation and anti-freezing, and when setting temperature control point T1 temperature and be lower than TL-1 minimum temperature setting value, the DR heat tape that is provided with on outdoor pipeline starts heating automatically, is heated to set temperature value TL-0 (spending as 10) time to stop automatically.
And be provided with manual exhaust-valve, and in time artificial emptying during power failure, system's security of operation in winter is guaranteed in three kinds of antifreezing measures protections.
Show and sound and light alarm when magnetic valve, water pump fault, but audible alarm is established mute button
2, boiling water concurrent heating system
A, level sensor P2 is installed, water level motor-driven valve D2 is installed on the running water upper hose, when boiling water heat-exchanging water tank 8 cistern water levels are lower than SW1-1, (can set value) moisturizing in time in the bottom of boiling water heat-exchanging water tank 8; When cistern water level is higher than SW1-2, (can set value) and in time close motor-driven valve and cut off the water, and when motor-driven valve D2 is malfunctioning, when water level is higher than the SWG1 setting value, send sound and light alarm, but audible alarm be established mute button.
B, boiling water heat-exchanging water tank 8 are boiled water tank 10 moisturizings
Boiling water heat-exchanging water tank 8 feed water inlets are connected with boiled water tank 10 water inlets, and one electronic (magnetic) valve D4 is set on connecting line, are provided with level sensor probe P5 simultaneously in boiled water tank
Adopt regularly water supplementing method: made: S1 every day (as 6 o'clock), S2 (as 10 o'clock), regularly moisturizing of S3 (as 16 o'clock) with 24 hours, S1, S2, S3 value are for setting value, water level is provided with high water level SW3 and superelevation water level SWG3, when P5＜SW3, carry out the moisturizing of electronic (magnetic) valve D4 time opening, when P5 〉=SW3, close electronic (magnetic) valve D4 and stop moisturizing; When electronic (magnetic) valve D4 is malfunctioning, when water level is higher than superelevation water level SWG3 setting value, send sound and light alarm, but audible alarm is established mute button.
Continuous water supplementing method: when P5＜SW3, electronic (magnetic) valve D4 opens moisturizing, when P5 〉=SW3, closes electronic (magnetic) valve D4 and stops moisturizing;
Be provided with manually moisturizing of bypass.
C, boiling water supply water:
C1, quantitatively water supply in one day, way of supplying water adopts from water distribution manifold.
C2, when water temperature T in the boiled water tank 7 is lower than TKD boiling water water supply minimum temperature value, close electronic on the feed pipe (magnetic) valve D8 automatically, stop to supply water; When electric heating cylindrical shell water tank temperature is higher than TKD boiling water water supply minimum temperature value, opens electronic on the feed pipe (magnetic) valve D8 automatically and supply water.
D, auxiliary heating
Heating has automatically and manual control function, can regularly heat according to set temperature value:
The section of fixing time heating under d1, the auto state:
Adopt 24 hours systems, can set three time periods and be in opening: ST1 (as setting 6:00), ST2 (as setting 10:00), ST3 (as setting 16:00 to 18:30) to 12:30 to 8:30; Set TKD boiling water water supply minimum temperature value and the TKG boiling water water supply maximum temperature value that supplies water in the boiled water tank at this moment in the section;
Set temperature value heating under d2, the auto state
When water temperature T 5 is lower than TKD boiling water water supply minimum temperature value in the boiled water tank in this three time periods, heating starting; When water temperature T 5 in the boiled water tank in this period was higher than TKG boiling water water supply maximum temperature value, heating stopped;
Section is the heating halted state At All Other Times.
Can avoid boiling water to repeat heating like this, promptly guarantee boiling water water quality, save the energy again, also protect equipment.
D3, control able to programme, and automatic protection functions
When adopting the electrothermal tube heating, adopt the ladder type loading mode, delayed firing, timesharing stops, and avoids electrical network is produced impact.
3, hot water supply system
Native system is formed: heat exchange pump 6, laminate water supply tank 5, supply-water pump, auxiliary thermal source system, related valve instrument etc.
A, the circulation of the heat exchange circulating pump temperature difference: water temperature T 3 and domestic hot-water's accumulation of heat water pot water temperature T are 5 in solar energy holds heat-exchanging water tank 2: T3-T5 〉=Δ T
HWhen (the heat exchange pump starting temperature approach that can set), 6 startings of heat exchange pump, T3-T5＜Δ T
HThe time, heat exchange pump 6 stops.
B, domestic hot-water's moisturizing is regulated:
When way of supplying water is Timing water supply mode (as school, some factory), then adopt the time water supplementing method: at H
BIn (the moisturizing time period of setting as: 8 o'clock-9 o'clock), electronic (magnetic) control valve D3 on the running water filling pipe opens moisturizing, and D3 closes At All Other Times, stops moisturizing; By bypass pipe, be provided with manual moisturizing control; When tap water cut-off, laminate the vacuum suppresser on the water supply tank 5, can suck air, make full use of water guarantee water supply in the water supply tank; When tap water supply, laminate the vacuum suppresser on the water supply tank 5, the air of can breathing out, water supply tank becomes artesian condition, recovers normal water supply.
When way of supplying water is the continuous water supply mode, does not establish D3 or often open.
C, domestic hot-water's water supply and return system
Native system comprises: water supply force (forcing) pump 7, frequency-changing control system, backwater temperature control system one cover, related valve instrument etc.
1., running water laminates water supply tank 5 and whole water system moisturizing to the domestic hot-water, makes water system can make full use of the original hydraulic pressure of running water.
2., frequency conversion pressure-stabilizing water supply: in supply-water pump 7 export pipelines, be provided with pressure sensor P2, set pressure of supply water value Pg, when the constantly pressurization operation under VFC of P2＜Pg supply-water pump 7, supply-water pump 7 stable operations when hydraulic pressure adds that the force value of force (forcing) pump reaches pressure of supply water setting value Pg from the beginning; When water not, when then supply-water pump 7 constantly was pressurized to water supply pressure and rises to setting value P2 〉=Pg, water pump stopped naturally.
3., supply water temperature control:, be located at the temperature sensor T6 on the return pipe, T6≤T6 when water or seldom during water not for a long time
h(during the minimum return water temperature of setting) as 38 ℃, the electronic temperature-sensing valve D7 on the return pipe opens, and 7 operations of pressurization supply-water pump will manages interior water at low temperature and be gained in the heat supply water pot and reheat; As T6＞T6
hThe time, return pipe temperature-sensing valve D7 closes, and supply-water pump 7 stops.
4., be provided with pressure sensor P3 laminating 5 ends of water supply tank, as P3≤P
TBGWhen (force (forcing) pump termination of pumping setting value), force (forcing) pump 7 can't start, and should stop under the running status.
Claims (1)
1. normal pressure thermal-arrest solar energy water-boiling hot water two purpose type unit, divide outdoor thermal-arrest and indoor units: outdoor solar heat collector district contains thermal-arrest district (1) and relevant pipeline; Instrument, valve are formed, and the thermal-arrest district is provided with temperature sensor T1, T2 in (1); Indoor units contains normal pressure solar energy heating water tank (2), water softener (3), thermal-arrest circulating pump (4), laminates hot water water supply tank (5), heat exchange pump (6), pressurization supply-water pump (7), boiling water water source heat-exchanging water tank (8), Based Intelligent Control cabinet (9), boiled water tank (10) and auxiliary thermal source, motor-driven valve; It is characterized in that:
A. be provided with temperature sensor T3 and pressure sensor P1 in the solar energy heating water tank (2); Laminate pressure transmitter P3 and ionic rod water treater (11) are set in the water supply tank (5); Boiling water water source heat-exchanging water tank (8) is provided with pressure sensor P2 and temperature transmitter T4;
B. water softener (3) is connected with solar energy heating water tank (2) by magnetic valve D1 on the pipeline; Be connected by the corresponding import and export of pipeline thermal-arrest circulating pump (4) respectively between heat collector (1), heat collector water inlet place temperature sensor T1, heat collector water outlet place temperature sensor T2 in each thermal-arrest district with solar energy heating water tank (2); The outlet of solar energy heating water tank (2) divides two the tunnel, leads up on the pipeline magnetic valve D7 and switch motor-driven valve D6, heat exchange pump (4) and boiling water water source heat-exchanging water tank (8) heat-exchanging tube bundle and be communicated with solar energy heating water tank (2); Another road is communicated with solar energy heating water tank (2) by moisturizing pressure sensor P4, heat exchange pump (4), magnetic valve D5 on the pipeline and the heat-exchanging tube bundle that laminates in the water supply tank (5);
C. the running water back with water inlet line is connected with boiling water heat-exchanging water tank (8) by magnetic valve D2, and the feed water inlet, boiling water water source of boiling water heat-exchanging water tank (8) is communicated with boiled water tank (10) by magnetic valve D4 on the pipeline; On the water outlet pipeline of boiled water tank (10) magnetic valve D8 is set;
D. the running water back with water inlet line by magnetic valve D3 and hot water backwater's pipeline upper sensor T6, switch motor-driven valve D6 and laminate hot water water supply tank (5) and be connected, the hot water feeding pipe's line that laminates hot water water supply tank (5) is by pressurizeing supply-water pump (7), hot water pressure of supply water sensor P4 and laminate water tank temperature sensor T5 and laminate water supply tank (5) and be communicated with;
E. the connection of control system: the pressure transmitter on water softener (3), heat-collecting pump (4), heat exchange pump (6), supply-water pump (7) and each pipeline on magnetic valve: D1, D2, D3, D4, D5, D6, D7 and each pipeline and the equipment: P1, P2, P3, P4, the temperature transmitter on P5 and each pipeline and the equipment: T1, T2, T3, T4, T5, T6 are connected with switch board (9) by cable, electric wire respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206404203U CN202024486U (en) | 2010-11-30 | 2010-11-30 | Constant pressure solar collector set in dual-use type for providing boiling water and hot water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206404203U CN202024486U (en) | 2010-11-30 | 2010-11-30 | Constant pressure solar collector set in dual-use type for providing boiling water and hot water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024486U true CN202024486U (en) | 2011-11-02 |
Family
ID=44849434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206404203U Expired - Fee Related CN202024486U (en) | 2010-11-30 | 2010-11-30 | Constant pressure solar collector set in dual-use type for providing boiling water and hot water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202024486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901230A (en) * | 2012-11-07 | 2013-01-30 | 嘉兴市同济阳光新能源有限公司 | Multifunctional solar hot water system |
| CN107816813A (en) * | 2017-11-30 | 2018-03-20 | 珠海格力电器股份有限公司 | Solar energy heat collector and control method |
-
2010
- 2010-11-30 CN CN2010206404203U patent/CN202024486U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901230A (en) * | 2012-11-07 | 2013-01-30 | 嘉兴市同济阳光新能源有限公司 | Multifunctional solar hot water system |
| CN107816813A (en) * | 2017-11-30 | 2018-03-20 | 珠海格力电器股份有限公司 | Solar energy heat collector and control method |
| CN107816813B (en) * | 2017-11-30 | 2023-12-12 | 珠海格力电器股份有限公司 | Control method of solar heat collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lanzhou winner HVAC & Solar Equipment Co., Ltd. Assignor: Luo Yilong Contract record no.: 2013620000035 Denomination of utility model: Constant pressure solar collector set in dual-use type for providing boiling water and hot water Granted publication date: 20111102 License type: Exclusive License Record date: 20130718 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |