CN203177315U - Heating supply system - Google Patents

Heating supply system Download PDF

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Publication number
CN203177315U
CN203177315U CN2013201013955U CN201320101395U CN203177315U CN 203177315 U CN203177315 U CN 203177315U CN 2013201013955 U CN2013201013955 U CN 2013201013955U CN 201320101395 U CN201320101395 U CN 201320101395U CN 203177315 U CN203177315 U CN 203177315U
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CN
China
Prior art keywords
combustion gas
water
heating
assembly
heat
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Expired - Fee Related
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CN2013201013955U
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Chinese (zh)
Inventor
陈建亮
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Fuzhou Aquapower Electric Water Heater Co Ltd
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Fuzhou Aquapower Electric Water Heater Co Ltd
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Priority to CN2013201013955U priority Critical patent/CN203177315U/en
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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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The utility model aims to provide a heating supply system which is energy-saving, environment-friendly and stable in heating supply. The heating supply system comprises a water inlet, a water outlet, a water box, a ground source heat pump assembly, a solar energy assembly, a fuel gas assembly, an external power source port, an electricity switching module and a control module. The water inlet and the water outlet are communicated with the water box. The electricity switching module is respectively and electrically connected with the external power source port, an inverter and the ground source heat pump assembly. The control module is respectively and electrically connected with the ground source heat pump assembly, the fuel gas assembly and the electricity switching module. Mixed energy is adopted. The heating supply system is powered by the solar energy assembly and an external power source (such as an electric supply) in a grid-connected mode. The electric supply does not provide a power supply under the condition that power is sufficiently supplied by the solar energy assembly; external electric energy is seamlessly and smoothly switched in for supplement through the electricity switching module when power is insufficiently supplied by the solar energy assembly. Therefore, the heating supply system overcomes the defect that solar energy is limited by the climate when being singly used, saves non-renewable energy resources as far as possible, can sufficiently guarantee hot water supply of the heating supply system, and is energy-saving and environment-friendly. Meanwhile, additional heating is still conducted on hot water in the water box in a fuel gas heating mode, and therefore the water outlet temperature of the system can be conveniently improved, the working temperature difference of a heat pump is reduced, and the overall energy use efficiency of the system can be improved.

Description

A kind of heating system
Technical field
The utility model relates to a kind of system of hot-water supply, relates in particular to a kind of system that utilizes heat pump for supplying hot water.
Background technology
Heating system is found in the every aspect of people's life, and every field all can use hot water in people's life.Traditional storage-type and the employed energy of Instant heating type hot water apparatus, as: electric energy, combustion gas, solar energy, air source etc., there is following defective: 1, be subjected to the restriction of service condition easily, as: the cable problem of electric instant heating, solar energy is in the energy supply problem of overcast and rainy use; The effect that air source heat pump uses under low temperature environment and efficiency etc. all can produce certain restriction to the use of hot water apparatus; 2, people's used heat supply heating equipment when heat supply heating generally all uses non-renewable energy resources, and not enough environmental protection does not meet the theory of sustainable development yet, but utilizes regenerative resource that many limitation are arranged again.
The utility model content
The purpose of this utility model is, a kind of energy-conserving and environment-protective are provided, the heating system that heat supply is stable.
For achieving the above object, the utility model provides a kind of heating system, comprises water inlet, delivery port, water tank, earth source heat pump assembly, solar energy assembly, combustion gas assembly, extraneous power interface, TURP die change piece and control module;
Described water inlet, delivery port are connected with water tank;
Described earth source heat pump assembly comprises: compressor, evaporimeter, condenser, throttling arrangement, buried pipe network and source, ground cold water circulation pump, described condenser is connected with the conduction of water tank heat, connect and compose source, ground cold water circulation waterway by pipeline between described buried pipe network and the evaporimeter, source, described ground cold water circulation pump places source, ground cold water circulation waterway;
Described combustion gas assembly comprises the combustion gas water inlet, the combustion gas delivery port, the combustion gas heat(ing) coil, water flow switch, the combustion gas water pump, the combustion gas heating module, gas inlet and exhaust outlet, the combustion gas heating module comprises combustion chamber and heat exchanger, described combustion gas water inlet, the combustion gas delivery port is communicated with the combustion gas heat(ing) coil that places water tank, the combustion gas water inlet is communicated with the combustion gas heating module, the combustion gas heating module is communicated with the combustion gas delivery port, water flow switch places the water route between combustion gas water inlet and the combustion gas delivery port, in the water route of combustion gas water pump between combustion gas heating module and combustion gas water inlet, combustion gas water pump and water flow switch are connected with control module;
Described solar energy assembly comprises: solar photovoltaic cell panel, battery, dc controller, inverter, and described solar photovoltaic cell panel is electrically connected with battery, and battery is electrically connected with dc controller, and dc controller is electrically connected with inverter;
Described TURP die change piece respectively with extraneous power interface, inverter and earth source heat pump assembly,
Described control module is electrically connected with earth source heat pump assembly, combustion gas assembly, TURP die change piece respectively.
Wherein, described combustion gas water pump is electrically connected with TURP die change piece.
Wherein, described heat sink places the water tank middle part.
Wherein, described heat sink is coil pipe, and described heat abstractor is floor heating coil pipe or radiator.
Wherein, described condenser and the conduction of water tank heat are connected to, and are equipped with ground source tray pipe in the water tank bottom, are connected to the ground source heat water-flow circuit by pipeline between ground source tray pipe and the condenser, are equipped with the ground source heat water-circulating pump in the described ground source heat water-flow circuit.
Wherein, described heating system also comprises first temperature sensor and second temperature sensor that places water tank, described first temperature sensor places water tank upper, described second temperature sensor places the water tank middle part, first temperature sensor and second temperature sensor are electrically connected with control module, and described delivery port is positioned at water tank upper.
Wherein, described combustion gas assembly also comprises adjustable speed fan, and described adjustable speed fan is electrically connected with controller module, and links to each other with exhaust outlet on the air channel.
Wherein, described combustion gas assembly also comprises the blast switch that is connected with air channel, adjustable speed fan place, and described blast switch is electrically connected with control module.
Wherein, described combustion gas assembly also comprises the gas ratio valve of control fuel gas inlet amount, and described gas ratio valve is electrically connected with controller module.
Be different from existing heating system, the utility model adopts energy mix, power supply for heating system, being incorporated into the power networks by solar energy assembly and the external energy (as civil power) provides, when the condition of solar energy assembly power supply abundance, civil power does not provide power supply, when the electricity shortage of solar energy assembly, by TURP die change piece, extraneous electric energy is seamless, and incision is additional smoothly.Thus, overcome the defective that simple use solar energy is subjected to the weather restriction, the use of saving non-renewable energy resources again as far as possible can fully ensure the hot water supply of heating system, energy-conserving and environment-protective again.Still with the combustion gas mode of heating hot water in the water tank is compensated heating in the simultaneity factor, help to improve the leaving water temperature of system like this, reduce the temperature difference of heat pump work simultaneously, can improve the integral energy utilization ratio of system.
Description of drawings
Fig. 1 is the described heating system schematic diagram of the utility model specific embodiment;
Fig. 2 is the described heating system water tank of the utility model specific embodiment part schematic diagram;
Fig. 3 is the described heating system earth source heat pump of the utility model specific embodiment unit schematic diagram;
Fig. 4 is the described heating system combustion gas of the utility model specific embodiment part schematic diagram.
Water tank 1, heating assembly 2, earth source heat pump assembly 3, combustion gas assembly 9, controller 4, solar energy assembly 5, inlet pipeline 6, water end 7, extraneous power interface 8;
Inner water tank 19, tank shell 103, tank upper cover 18, water tank lower cover 104, water tank footing 105, insulation bubble material 101, combustion gas heat(ing) coil 15, heating coil 14, source tray pipe 12, magnesium rod 102, water inlet 11, delivery port 17, second temperature sensor 13, first temperature sensor 16;
Floor heating coil pipe 21, heating circulation pump 22, sensor 23;
Earth source heat pump unit 31, ground source heat water-circulating pump 32, source cold water circulation pump 33, buried pipe network 34, compressor 310, condenser 311, throttling arrangement 312, evaporimeter 313;
Solar photovoltaic cell panel 51, battery 52, dc controller 53, inverter 54;
Gas heating system 91, combustion gas delivery port 910, display operating panel 911, shell structure 912, combustion chamber 913, blast switch 914, adjustable speed fan 915, exhaust outlet 916, heat exchanger 917, expansion drum 918, combustion gas water pump 919, gas ratio valve 920, water inlet 921, air inlet 922.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1,2,3, present embodiment provides a kind of heating system, comprises water inlet 11, delivery port 17, water tank 1, earth source heat pump assembly 3, solar energy assembly 5, extraneous power interface 8, TURP die change piece and control module; TURP die change piece and control module place controller 4.
Described water inlet, delivery port are connected with water tank; Inlet pipeline 6 is connected with water inlet, comprising: water inlet pipe, safety valve etc.Water terminal 7 is connected with delivery port, comprising: gondola water faucet, the fire hose are first-class.
Shown in Fig. 1,3, the earth source heat pump assembly comprises: compressor 310, evaporimeter 313, condenser 311, throttling arrangement 312, buried pipe network 34 and source, ground cold water circulation pump 33, described condenser 311 is connected with water tank 1 heat conduction.Connect and compose source, ground cold water circulation waterway by pipeline between described buried pipe network 34 and the evaporimeter 313, source, described ground cold water circulation pump 33 places source, ground cold water circulation waterway;
Described heat conduction ways of connecting can have multiple, in some preferred embodiment, carries out the heat conduction by heat-transfer working medium and connects.Concrete structure is described below: compressor 310, evaporimeter 313, throttling arrangement 312, condenser 311, connect by the copper pipe road, form a closed loop, constitute earth source heat pump unit 31, its operation principle is: compressor start, and compression comes the cryogenic gas of flash-pot, discharge the gas of HTHP from the compressor mouth, enter condenser one side, and heating is through the heat-transfer working medium that circulates of condenser opposite side, become liquid warm in the high pressure through the cold-producing medium after the heat release, pass through throttling arrangement afterwards, cold-producing medium becomes the liquid of low-temp low-pressure, thereby enter evaporimeter one side, and the heat of the heat-transfer working medium that circulates of absorption process evaporimeter opposite side, the cold-producing medium behind the absorption heat becomes the gas of low-temp low-pressure, and final gas is sucked back by compressor, thereby finish a working cycles, the heat-transfer working medium side of condenser is connected with the ground source tray pipe in the attemperater, by ground source heat water-circulating pump 32, with the water heat exchange in the attemperater.Respectively there are two streams condenser 311 and evaporimeter 313 inside---refrigerant flow path and circulation heat-transfer working medium stream, and separate between the stream, but be separated with the heat conduction good metal.By the operation of hot water circulating pump 32, condenser 311 is released into heat in this circulation heat-transfer working medium, and by the ground source tray pipe 12 in the attemperater 1, with water heating in the attemperater 1; Operation by source, ground cold water circulation pump 33, heat-transfer working medium in the buried pipe network 34, enter in the evaporimeter 313, absorbed heat by the cold-producing medium in the evaporimeter, the heat-transfer working medium low by the temperature after absorbing heat flows out from evaporimeter 313, and flows in buried pipe network 34 loops, the heat that absorption tube is outer, temperature constantly rises, and enters evaporimeter 313 at last again, constantly circulation.Here heat-transfer working medium is anti-icing fluid or water.
Combustion gas assembly 9 comprises: gas heating system 91, the pipeline that is connected with the water tank coil pipe, heat-transfer working medium (anti-icing fluid or water); Wherein burnt gas wall hanging furnace comprises (as shown in Figure 3): combustion gas delivery port 910, display operating panel 911, shell structure 912, combustion chamber 913, blast switch 914, adjustable speed fan 915, exhaust outlet 916, heat exchanger 917, expansion drum 918, built-in combustion gas water pump 919, gas ratio valve 920, water inlet 921, air inlet 922 etc.Burnt gas wall hanging furnace operation principle: when the burnt gas wall hanging furnace ignition switch enters duty, adjustable speed fan 915 starts earlier makes formation Negative Pressure Difference in the combustion chamber 913, blast switch 314 is issued built-in water pump 919 to instruction, after built-in combustion gas water pump 919 starts, water flow switch is issued the electrion device to instruction, it starts the back instruction and issues gas ratio valve 920, and gas ratio valve 320 begins to start.Gas ratio valve 920 and blast switch 914 and flue gas inductive switch are chain control, when there is certain negative pressure combustion chamber 913, gas ratio valve 920 just can be worked, when the flue gas inductive switch continued for 5 seconds and detects when having waste gas to discharge, just cut off gas ratio valve 920 and stop air feed, thereby guarantee the safe handling combustion gas.Heat-transfer working medium heats by built-in water pump 919 circulations and by the water in 15 pairs of water tanks of combustion gas heat(ing) coil.Expansion drum 918 is positioned on the inlet pipeline of gas heating system.
Described solar energy assembly comprises: solar photovoltaic cell panel 51, battery 52, dc controller 53, inverter 54, described solar photovoltaic cell panel 51 is electrically connected with battery 52, battery 52 is electrically connected with dc controller 53, and dc controller 53 is electrically connected with inverter 54; Solar photovoltaic cell panel absorbs solar radiant energy, and be converted to electric energy, pass through battery stores, and pass through dc controller, this electric energy is transformed into the output of galvanic current source, pass through inverter again, dc source is changed into can supply the used AC power (the domestic 220AC/50Hz of being generally) of heating device end.The earth source heat pump assembly, the AC power of heating loop assembly, control module is preferentially supplied with by solar electric power supply system.
Described TURP die change piece is electrically connected with extraneous power interface 8, inverter 54, combustion gas assembly 9 and earth source heat pump assembly 3 respectively, is responsible for the power supply of switched system.Each system can be powered by solar energy assembly 5, or the external power supply power supply, or powered jointly by solar energy assembly 5 and extraneous power supply simultaneously.
Described control module is electrically connected with earth source heat pump assembly 3, TURP die change piece respectively.Can send instruction by the mode of manual direct control button, control module is passed to corresponding automatically controlled plate in the heating system with instruction then, and automatically controlled plate is carried out corresponding control action.
Among some embodiment of earth source heat pump assembly, heating system also comprises heating assembly 2, described heating assembly comprises heating pipeline, heating circulation pump 22, heat abstractor and heat sink, described heat sink places in the water tank 1, described heat abstractor places water tank 1 outside, heat abstractor and heat sink are connected to form the heating loop by heating pipeline, and described heating circulation pump 22 places the heating loop.Preferably, heat sink places water tank 1 middle part.Heat sink is heating coil 14, and described heat abstractor is floor heating coil pipe 21 or radiator.Can also comprise sensor 23, for detection of the indoor temperature in heating loop.When control module arranges heating mode, according to indoor temperature is set, heating circulation pump 22 can be selected to start and close, thereby the house is heated according to the temperature difference of actual indoor temperature with the temperature that sets.Because hot and cold water has lamination, required for heating according to the layering rule of water, the heating coil 14 of the usefulness of absorbing heat heating is positioned over the water tank middle part, and the temperature of this regional water is about 45 degree, after heating coil 14 heat exchange, just meets the requirement of heating.
Among some embodiment, heating system also comprises the temperature sensor that places water tank 1, and described temperature sensor is electrically connected with control module.Preferably, described temperature sensor comprises first temperature sensor 16 and second temperature sensor 13, and described first temperature sensor 16 places water tank 1 top, and described second temperature sensor 13 places water tank 1 middle part, and described delivery port is positioned at water tank upper.First temperature sensor detects near the temperature mouth of a river, and second temperature sensor detects heating coil water layer temperature of living in.In an embodiment, as shown in Figure 2, water tank 1 is attemperater, comprising: inner water tank 19, tank shell 103, tank upper cover 18, water tank lower cover 104, water tank footing 105, insulation bubble material 101, combustion gas heat(ing) coil 15, heating coil 14, the ground source tray pipe 12 as condenser, magnesium rod 102, water inlet 11, delivery port 17, first temperature sensor 16, second temperature sensor 13.Inner bag can be enamel or stainless steel inner container, can high pressure-bearing and corrosion-resistant; Ground source tray pipe 12, heating coil 14 materials are gapless stainless steel tube or fin stainless steel tube.The effect of magnesium rod 102 is to adopt cathode protection method (or sacrificial protection) to prevent the inner water tank corrosion.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims (10)

1. a heating system is characterized in that, comprises water inlet, delivery port, water tank, earth source heat pump assembly, solar energy assembly, combustion gas assembly, extraneous power interface, TURP die change piece and control module;
Described water inlet, delivery port are connected with water tank;
Described earth source heat pump assembly comprises: compressor, evaporimeter, condenser, throttling arrangement, buried pipe network and source, ground cold water circulation pump, described condenser is connected with the conduction of water tank heat, connect and compose source, ground cold water circulation waterway by pipeline between described buried pipe network and the evaporimeter, source, described ground cold water circulation pump places source, ground cold water circulation waterway;
Described combustion gas assembly comprises the combustion gas water inlet, the combustion gas delivery port, the combustion gas heat(ing) coil, water flow switch, the combustion gas water pump, the combustion gas heating module, gas inlet and exhaust outlet, the combustion gas heating module comprises combustion chamber and heat exchanger, described combustion gas water inlet, the combustion gas delivery port is communicated with the combustion gas heat(ing) coil that places water tank, the combustion gas water inlet is communicated with the combustion gas heating module, the combustion gas heating module is communicated with the combustion gas delivery port, water flow switch places the water route between combustion gas water inlet and the combustion gas delivery port, in the water route of combustion gas water pump between combustion gas heating module and combustion gas water inlet, combustion gas water pump and water flow switch are connected with control module;
Described solar energy assembly comprises: solar photovoltaic cell panel, battery, dc controller, inverter, and described solar photovoltaic cell panel is electrically connected with battery, and battery is electrically connected with dc controller, and dc controller is electrically connected with inverter;
Described TURP die change piece respectively with extraneous power interface, inverter and earth source heat pump assembly,
Described control module is electrically connected with earth source heat pump assembly, combustion gas assembly, TURP die change piece respectively.
2. heating system according to claim 1, it is characterized in that, described heating system also comprises the heating assembly, described heating assembly comprises heating pipeline, heating circulation pump, heat abstractor and heat sink, described heat sink places in the water tank, described heat abstractor places the water tank outside, and heat abstractor and heat sink are connected to form the heating loop by heating pipeline, and described heating circulation pump places the heating loop.
3. heating system according to claim 2 is characterized in that, described combustion gas water pump is electrically connected with TURP die change piece.
4. heating system according to claim 2 is characterized in that, described heat sink places the water tank middle part.
5. heating system according to claim 2 is characterized in that, described heat sink is coil pipe, and described heat abstractor is floor heating coil pipe or radiator.
6. heating system according to claim 1, it is characterized in that, described condenser and the conduction of water tank heat are connected to, be equipped with ground source tray pipe in the water tank bottom, be connected to the ground source heat water-flow circuit by pipeline between ground source tray pipe and the condenser, be equipped with the ground source heat water-circulating pump in the described ground source heat water-flow circuit.
7. according to any described heating system of claim 1 to 6, it is characterized in that, described heating system also comprises first temperature sensor and second temperature sensor that places water tank, described first temperature sensor places water tank upper, described second temperature sensor places the water tank middle part, first temperature sensor and second temperature sensor are electrically connected with control module, and described delivery port is positioned at water tank upper.
8. according to any described heating system of claim 1 to 6, it is characterized in that described combustion gas assembly also comprises adjustable speed fan, described adjustable speed fan is electrically connected with controller module, and links to each other with exhaust outlet on the air channel.
9. heating system according to claim 8 is characterized in that, described combustion gas assembly also comprises the blast switch that is connected with air channel, adjustable speed fan place, and described blast switch is electrically connected with control module.
10. heating system according to claim 8 is characterized in that, described combustion gas assembly also comprises the gas ratio valve of control fuel gas inlet amount, and described gas ratio valve is electrically connected with controller module.
CN2013201013955U 2013-03-06 2013-03-06 Heating supply system Expired - Fee Related CN203177315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013201013955U CN203177315U (en) 2013-03-06 2013-03-06 Heating supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013201013955U CN203177315U (en) 2013-03-06 2013-03-06 Heating supply system

Publications (1)

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CN203177315U true CN203177315U (en) 2013-09-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013201013955U Expired - Fee Related CN203177315U (en) 2013-03-06 2013-03-06 Heating supply system

Country Status (1)

Country Link
CN (1) CN203177315U (en)

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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: 20130904

Termination date: 20180306

CF01 Termination of patent right due to non-payment of annual fee