CN2788061Y - Hot water supply device capable of collecting air energy - Google Patents
Hot water supply device capable of collecting air energy Download PDFInfo
- Publication number
- CN2788061Y CN2788061Y CN 200520033207 CN200520033207U CN2788061Y CN 2788061 Y CN2788061 Y CN 2788061Y CN 200520033207 CN200520033207 CN 200520033207 CN 200520033207 U CN200520033207 U CN 200520033207U CN 2788061 Y CN2788061 Y CN 2788061Y
- Authority
- CN
- China
- Prior art keywords
- water
- hot
- storage container
- water storage
- transfer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a hot water supply device capable of collecting air energy, which comprises a heat pump unit, a circulation water pump and a hot water storage vessel. The utility model is characterized in that the utility model is provided with a transshipment water storage vessel; a water outlet of the heat pump unit is respectively connected with a water inlet of the transshipment storage vessel and a water inlet of the hot water storage vessel through a transshipment water input valve and a hot water input valve; a water inlet of the circulation water pump is respectively connected with a replenishment cold water source and a water outlet of the transshipment water storage vessel through a replenishment cold water input valve and a transshipment water output valve. The replenishment cold water can only be conveyed to the transshipment water storage vessel. The heat pump unit collects heat energy from the air and circularly heats the water in the transshipment water storage vessel in a durative mode. When the temperature of the water in the transshipment water storage vessel reaches a set value, the water in the transshipment water storage vessel is conveyed to the hot water storage vessel. The utility model has the advantages of novel conception, compact structure, reliable performance, stable running, high thermal efficiency and low cost, is capable of realizing central heating and simultaneously provides the hot water with stable temperature and pressure from a plurality of parts in high efficiency at any time. The heat pump which is adopted by the utility model can work in a non high-temperature zone.
Description
Technical field
The utility model relates to the concentrated hot water supply system that adopts heat pump, especially relates to a kind of air and can concentrate hot-water supply device.
Background technology
It all is that the water in the hot-water storage container is directly heated that the air of existing employing heat pump can be concentrated hot-water supply device, and the cold water that comes the self-adding cold water source also is directly to enter hold-up vessel.When water consumption is big, can sink from the cold water of hold-up vessel top supply, the hot water water temperature instability that provides from the hold-up vessel below is provided, if untimely supply cold water, can cause the hold-up vessel water level to descend again and cause hydraulic pressure to descend, therefore, this hot-water supply device only is applicable to Timing water supply and the place not high to the stability requirement of water temperature, water level.In addition, the heat pump long-term work of adopting in this hot-water supply device is at high, middle temperature working environment, and its heat transference efficiency is relatively low, and compressor works long hours in the high-temperature region, also can cause the heat pump high voltage protective to shut down.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of air can concentrate hot-water supply device, it can make full use of the air energy of non-environmental-pollution, at any time efficiently provide the hot water of water temperature, stable water pressure, and the heat pump that is adopted can be operated in the non high temperature district.
Technical problem of the present utility model is solved like this:
This air can be concentrated hot-water supply device, comprise the inlet channel of carrying supply cold water, from air, gather heat energy promote heat be used for to the water heating source pump, with the water supply line of water forced conveyance to be heated to the water circulating pump of source pump water inlet, hot-water storage container, delivering hot water, and control assembly.
This air can concentrate the characteristics of hot-water supply device to be:
Be provided with the transfer water storage container of heating container effect, described source pump delivery port is connected with described hot-water storage container water inlet with described transfer water storage container water inlet by transfer water water intaking valve, hot water water intaking valve by control assembly control respectively, and the water inlet of described water circulating pump is connected with described transfer water storage container delivery port with the supply cold water source by supply cold water water intaking valve, transfer water outlet valve by control assembly control respectively.
Described supply cold water can only be delivered to the transfer water storage container.
Described source pump is gathered heat energy the water in the transfer water storage container is continued the circulation heating from air.
Described transfer water storage container water temperature is delivered to the hot-water storage container again until reaching setting value.
Above-mentioned composite design can make the hot-water storage container that the hot water of water temperature, stable water pressure can be provided, and the source pump that is adopted can be operated in the non high temperature district.
Technical problem of the present utility model can be solved like this:
The water inlet of described water circulating pump can also be connected with the hot-water storage water outlet of container by the hot water effluent's valve by control assembly control, when the water temperature in the hot-water storage container is lower than design temperature, source pump is gathered heat energy from air can continue the water in the hot-water storage container circulation heating again, reaches setting value until its water temperature.
Described supply cold water water intaking valve, transfer water outlet valve, hot water effluent's valve are check valves, perhaps at the outlet of supply cold water water intaking valve, transfer water outlet valve, the hot water effluent's valve check-valves of connecting respectively, to avoid the reverse circulation of pipeline water.
Described control assembly is the control assembly that comprises the water temperature detection components of control source pump, water circulating pump running status.
Described water temperature detection components is provided with and is installed in the cooling-water temperature sensor that the outer pipeline of source pump delivery port is interior, the hot-water storage container is interior respectively.
Described control assembly is the control assembly that comprises the water level detecting assembly of control source pump, water circulating pump running status.
Described water level detecting assembly is provided with the level sensor that is installed in respectively in transfer water storage container, the hot-water storage container.
Described transfer water water intaking valve, hot water water intaking valve, supply cold water water intaking valve, transfer water outlet valve, hot water effluent's valve are the autocontrol valves of being controlled respectively by control assembly.
Described autocontrol valve is the minute-pressure magnetic valve.
Described supply cold water can only be delivered to the transfer water storage container, when being mounted in level sensor in the transfer water storage container and detecting the transfer water storage container and be in low water level, supply cold water water intaking valve, water circulating pump, source pump, transfer water water intaking valve are opened in control assembly control, the cold water that the supply cold water source is provided is delivered to the transfer water storage container after through the source pump heating, reaches the setting ordinary water level until its water level.
Described source pump is gathered heat energy the water in the transfer water storage container is continued the circulation heating from air, being mounted in level sensor in the transfer water storage container detects the transfer water storage container and is in the setting ordinary water level, and when being installed in cooling-water temperature sensor in the pipeline outside the source pump delivery port and detecting water temperature and be lower than design temperature, transfer water outlet valve, water circulating pump, source pump, transfer water water intaking valve are opened in control assembly control, water in the transfer water storage container is continued the circulation heating, reach setting value until its water temperature.
Described transfer water storage container water temperature is delivered to the hot-water storage container again until reaching setting value, being mounted in level sensor in the transfer water storage container detects the transfer water storage container and is in the setting ordinary water level, and when being installed in cooling-water temperature sensor in the pipeline outside the source pump delivery port and detecting water temperature and reach setting value, transfer water outlet valve is opened in control assembly control, water circulating pump, source pump, the hot water water intaking valve, the water that water temperature is reached in the transfer water storage container of setting value is delivered to the hot-water storage container, and the level sensor in being installed in the hot-water storage container detects its water level and reaches the setting ordinary water level.
Described source pump is gathered heat energy from air can continue the water in the hot-water storage container circulation heating, be that the described level sensor that is installed in the hot-water storage container detects the hot-water storage container and is in when setting ordinary water level, and when being installed in cooling-water temperature sensor in the hot-water storage container and detecting water temperature and be lower than design temperature, hot water effluent's valve, water circulating pump, source pump, hot water water intaking valve are opened in control assembly control, water in the hot-water storage container is continued circulation heating again, reach setting value until its water temperature.
The described level sensor that is installed in the hot-water storage container detects the hot-water storage container and is in when setting ordinary water level, and when being installed in cooling-water temperature sensor in the hot-water storage container and detecting water temperature and reach design temperature, water circulating pump, source pump, transfer water water intaking valve, hot water water intaking valve, supply cold water water intaking valve, transfer water outlet valve, hot water effluent's valve are closed in control assembly control, and the water supply line of hot-water storage container by described delivering hot water provides water temperature, the stable water pressure hot water in setting value at any time.
Technical problem of the present utility model can further be solved like this:
Described source pump connects to form the thermodynamic cycle parts by the thermodynamic cycle pipe successively with evaporimeter, compressor, condenser and expansion valve.
Described source pump also comprises four-way change-over valve, magnetic valve and frost removal.
Described source pump can be the unit group, also can be the combination unit by unit group serial or parallel connection.
Described transfer water storage container is the double-layer heat insulation container, fill insulant material in the middle of the interlayer.
Described transfer water storage container also is provided with exhaust outlet, cleans sewage draining exit, water level detecting mouth and temperature detection mouth.
Described hot-water storage container also is the double-layer heat insulation container, fill insulant material in the middle of the interlayer.
Described hot-water storage container yet is provided with exhaust outlet, cleans sewage draining exit, water level detecting mouth and temperature detection mouth.
Described control assembly is the automatic control component that comprises temperature parameter treatment element, water level parameter treatment element, parameter display element, overflow protecting element, parameter processing center, cabinet.
Described control assembly is the control assembly that adopts Programmable Logic Controller PLC.
The utility model device has been provided with the transfer water storage container of heating container effect, novel, form compactness, dependable performance, make full use of the air energy of non-environmental-pollution, no matter indoor, outdoor, basement, no matter daytime, night, fine day, cloudy day, blow, rain or snow all stable, and thermal efficiency height, cost is lower, can realize concentrating heating, efficient at any time multiple spot provides the hot water of water temperature, stable water pressure simultaneously, and the heat pump that is adopted can be operated in the non high temperature district.The hot water amount that the utility model provides can rise to tens tons from tens, can be widely used in hotel, hotel, industrial and mineral, school, hospital, sauna, beauty parlor, swimming pool, greenhouse, plant, laundry and family.
Description of drawings:
Accompanying drawing is a composition schematic diagram of the present utility model.
The specific embodiment
Below the contrast accompanying drawing and in conjunction with the specific embodiment the utility model is described in further detail.
Air can be concentrated hot-water supply device as shown in drawings, comprise the inlet channel of carrying supply cold water, from air, gather heat energy promote heat be used for to the water heating source pump 1, with the water supply line 4 of water forced conveyance to be heated to the water circulating pump 2 of source pump 1 water inlet, hot-water storage container 3, delivering hot water, and control assembly 5.
Be provided with the transfer water storage container 6 of heating container effect, described source pump 1 delivery port is connected with described hot-water storage container 3 water inlets with described transfer water storage container 6 water inlets by transfer water water intaking valve 7, hot water water intaking valve 8 by control assembly 5 controls respectively, and the water inlet of described water circulating pump 2 is connected with described transfer water storage container 6 delivery ports with the supply cold water source by supply cold water water intaking valve 9, transfer water outlet valve 10 by control assembly 5 controls respectively.
Described supply cold water can only be delivered to transfer water storage container 6, source pump 1 is gathered heat energy the water in the transfer water storage container 6 is continued the circulation heating from air, reach setting value until its water temperature and be delivered to hot-water storage container 3 again, make hot-water storage container 3 that the hot water of water temperature, stable water pressure can be provided, and the source pump 1 that is adopted can be operated in the non high temperature district.
Described source pump 1 delivery port is connected with described hot-water storage container 3 water inlets with described transfer water storage container 6 water inlets by transfer water water intaking valve 7, hot water water intaking valve 8 by control assembly 5 controls respectively.
The water inlet of described water circulating pump 2 is connected with described transfer water storage container 6 delivery ports with the supply cold water source by supply cold water water intaking valve 9, transfer water outlet valve 10 by control assembly 5 controls respectively.
The water inlet of described water circulating pump 2 also is connected with hot-water storage container 3 delivery ports by the hot water effluent's valve 11 by control assembly 5 controls, when the water temperature in hot-water storage container 3 is lower than design temperature, source pump 1 is gathered heat energy the water in the hot-water storage container 3 is continued circulation heating again from air, reach setting value until its water temperature.
Described transfer water water intaking valve 7, hot water water intaking valve 8, supply cold water water intaking valve 9, transfer water outlet valve 10, hot water effluent's valve 11 are minute-pressure magnetic valves of being controlled respectively by control assembly 5, and at the outlet of supply cold water water intaking valve 9, transfer water outlet valve 10, hot water effluent's valve 11 check-valves of connecting respectively, to avoid the reverse circulation of pipeline water.
Described control assembly 5 is the control assemblies that comprise the water temperature detection components of control source pump 1, water circulating pump 2 running statuses.
Described water temperature detection components is provided with and is installed in the cooling-water temperature sensor 12,13 in the pipeline, in the hot-water storage container 3 outside source pump 1 delivery port respectively.
Described control assembly 5 is to comprise that control source pump 1, water circulating pump move the control assembly of the water level detecting assembly of 2 states.
Described water level detecting assembly is provided with the level sensor 14,15 that is installed in respectively in transfer water storage container 6, the hot-water storage container 3.
When the described level sensors 14 that are installed in the transfer water storage container 6 detect transfer water storage container 6 and are in low water level, supply cold water water intaking valve 9, water circulating pump 2, source pump 1, transfer water water intaking valve 7 are opened in control assembly 5 controls, the cold water that the supply cold water source is provided is delivered to transfer water storage container 7 after through source pump 1 heating, reaches the setting ordinary water level until its water level.
The described level sensor 14 that is installed in the transfer water storage container 6 detects transfer water storage container 6 and is in the setting ordinary water level, and when being installed in cooling-water temperature sensor 12 in the pipeline outside source pump 1 delivery port and detecting water temperature and be lower than design temperature, transfer water outlet valve 10, water circulating pump 2, source pump 1, transfer water water intaking valve 7 are opened in control assembly 5 controls, water in the transfer water storage container 6 is continued the circulation heating, reach setting value until its water temperature.
The described level sensor 14 that is installed in the transfer water storage container 6 detects transfer water storage container 6 and is in the setting ordinary water level, and when being installed in cooling-water temperature sensor 12 in the pipeline outside source pump 1 delivery port and detecting water temperature and reach setting value, transfer water outlet valve 10, water circulating pump 2, source pump 1, hot water water intaking valve 8 are opened in control assembly 5 controls, the water that water temperature is reached in the transfer water storage container 6 of setting value is delivered to hot-water storage container 3, and the level sensor 15 in being installed in hot-water storage container 3 detects its water level and reaches the setting ordinary water level.
The described level sensor 15 that is installed in the hot-water storage container 3 detects hot-water storage container 3 and is in when setting ordinary water level, and when being installed in cooling-water temperature sensors 13 in the hot-water storage container 3 and detecting water temperature and be lower than design temperature, hot water effluent's valve 11, water circulating pump 2, source pump 1, hot water water intaking valve 8 are opened in control assembly 5 controls, water in the hot-water storage container 3 is continued circulation heating again, reach setting value until its water temperature.
The described level sensor 15 that is installed in the hot-water storage container 3 detects hot-water storage container 3 and is in when setting ordinary water level, and when being installed in cooling-water temperature sensors 13 in the hot-water storage container 3 and detecting water temperature and reach design temperature, water circulating pump 2, source pump 1, transfer water water intaking valve 7, hot water water intaking valve 8, supply cold water water intaking valve 9, transfer water outlet valve 10, hot water effluent's valve 11 are closed in control assembly 5 control, and the water supply line 4 of hot-water storage container 3 by described delivering hot water provides water temperature, the stable water pressure hot water in setting value at any time.
Described source pump 1 is the combination unit of product " wind is speeded " board FRQ of Shenzhen Fengchi Hot Pump Technology Co., Ltd. type heat pump parallel connection.By the thermodynamic cycle pipe with evaporimeter, compressor, condenser and expansion valve connect to form the thermodynamic cycle parts successively, the heat absorption working medium that is preset in the device is lower than-20 ℃ under the state of liquefaction, exist the temperature difference with ambient temperature, can from air, gather heat energy, and at the inner carburation by evaporation of evaporimeter, energy in the surrounding medium is absorbed in evaporimeter, the temperature of heat absorption working medium is improved in compressed again machine compression back, make heat absorption working medium be converted into liquefaction by condenser then from vapor state, in conversion process, discharge a large amount of heats and heat the water that is stored in the water tank, water temperature is raise, reach the purpose of producing hot water, give off cold air simultaneously, the hot water of producing is user's supply by the delivery pipeline.The energy of heat pump output equals the electric flux of compressor work consumption and the heat sum that heat pump absorbs from environment.Therefore, adopt heat pump techniques can save a large amount of electric energy.And the heat absorption working medium that discharges heat is back to evaporimeter after regulating through the expansion valve with throttling, hypotensive effect again, repeat above-mentioned thermodynamic cycle process, heat energy in air is transferred to the water that is stored in the water tank, make it become the hot water of temperature rise, to satisfy user's needs to setting value.Described source pump 1 also comprises four-way change-over valve, magnetic valve, frost removal.
Described transfer water storage container 6, hot-water storage container 3 all are the double-layer heat insulation containers, and the middle insulation asbestos of filling of interlayer all are respectively equipped with exhaust outlet, cleaning sewage draining exit, water level detecting mouth and water temperature and detect mouth.
Described control assembly 5 is the automatic control components that comprise the employing Programmable Logic Controller PLC of water temperature data handling component, waterlevel data treatment element, data display element, overflow protecting element and cabinet.
This specific embodiment is 55 ℃ about 15 tons of hot water for certain hotel that has over one hundred cover guest room daily provides temperature, the thermal efficiency is 350%, the ton all power consumption of hot water is about 13 kilowatt hours, provide hot water to compare with oil, gas, electric hot water equipment, the annual operating cost of this specific embodiment is saved 6～120,000 yuan, has also saved expenses such as environmental protection blowdown, plant maintenance.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the utility model is determined by claims of being submitted to.
Claims (5)
1. an air can be concentrated hot-water supply device, comprise the inlet channel of carrying supply cold water, from air, gather heat energy promote heat be used for to the water heating source pump, with the water supply line of water forced conveyance to be heated to the water circulating pump of source pump water inlet, hot-water storage container, delivering hot water, and control assembly, it is characterized in that:
Be provided with the transfer water storage container of heating container effect, described source pump delivery port is connected with described hot-water storage container water inlet with described transfer water storage container water inlet by transfer water water intaking valve, hot water water intaking valve by control assembly control respectively, and the water inlet of described water circulating pump is connected with described transfer water storage container delivery port with the supply cold water source by supply cold water water intaking valve, transfer water outlet valve by control assembly control respectively;
Described supply cold water can only be delivered to the transfer water storage container;
Described source pump is gathered heat energy the water in the transfer water storage container is continued the circulation heating from air;
Described transfer water storage container water temperature is delivered to the hot-water storage container again until reaching setting value.
2. can concentrate hot-water supply device according to the described air of claim 1, it is characterized in that:
The water inlet of described water circulating pump also is connected with the hot-water storage water outlet of container by the hot water effluent's valve by control assembly control, when the water temperature in the hot-water storage container is lower than design temperature, source pump is gathered heat energy the water in the hot-water storage container is continued circulation heating again from air, reach setting value until its water temperature.
3. can concentrate hot-water supply device according to claim 1 or 2 described air, it is characterized in that:
Described supply cold water water intaking valve, transfer water outlet valve, hot water effluent's valve are check valves, perhaps at the outlet of supply cold water water intaking valve, transfer water outlet valve, the hot water effluent's valve check-valves of connecting respectively.
4. can concentrate hot-water supply device according to the described air of claim 3, it is characterized in that:
Described control assembly is the control assembly that comprises the water temperature detection components of control source pump, water circulating pump running status, and described water temperature detection components is provided with and is installed in the cooling-water temperature sensor that the outer pipeline of source pump delivery port is interior, the hot-water storage container is interior respectively;
Described control assembly is the control assembly that comprises the water level detecting assembly of control source pump, water circulating pump running status, and described water level detecting assembly is provided with the level sensor that is installed in respectively in transfer water storage container, the hot-water storage container.
5. can concentrate hot-water supply device according to the described air of claim 4, it is characterized in that:
Described transfer water water intaking valve, hot water water intaking valve, supply cold water water intaking valve, transfer water outlet valve, hot water effluent's valve are the autocontrol valves of being controlled respectively by control assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033207 CN2788061Y (en) | 2005-02-02 | 2005-02-02 | Hot water supply device capable of collecting air energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033207 CN2788061Y (en) | 2005-02-02 | 2005-02-02 | Hot water supply device capable of collecting air energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2788061Y true CN2788061Y (en) | 2006-06-14 |
Family
ID=36786357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520033207 Expired - Lifetime CN2788061Y (en) | 2005-02-02 | 2005-02-02 | Hot water supply device capable of collecting air energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2788061Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374782C (en) * | 2005-02-02 | 2008-03-12 | 赵越野 | Air heat energy central hot water supplying method and device thereof |
| CN103968544A (en) * | 2014-04-03 | 2014-08-06 | 宿迁伊杉科技有限公司 | Air energy heating unit system adopting swimming pool water heating scaling-free technology |
-
2005
- 2005-02-02 CN CN 200520033207 patent/CN2788061Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374782C (en) * | 2005-02-02 | 2008-03-12 | 赵越野 | Air heat energy central hot water supplying method and device thereof |
| CN103968544A (en) * | 2014-04-03 | 2014-08-06 | 宿迁伊杉科技有限公司 | Air energy heating unit system adopting swimming pool water heating scaling-free technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10260763B2 (en) | Method and apparatus for retrofitting an air conditioning system using all-weather solar heating | |
| CN201355156Y (en) | Heat pump unit capable of recovering waste water and residual heat | |
| CN1122896A (en) | Cogeneration system | |
| CN1734199A (en) | Air-conditioning system and control method thereof | |
| CN101948230A (en) | Sludge drying treatment system | |
| CN2788061Y (en) | Hot water supply device capable of collecting air energy | |
| CN207035281U (en) | A kind of solar energy and the compound storing energy and supplying hot system of air source heat pump | |
| CN101046101A (en) | Air water taking device utilizing natural energy | |
| CN200979316Y (en) | Solar energy and heat pump and ground heat coupled refrigeration and heating system | |
| CN201857330U (en) | Sludge drying treatment system | |
| CN205261921U (en) | Solar heat pump water -heating system | |
| CN100374782C (en) | Air heat energy central hot water supplying method and device thereof | |
| CN1407297A (en) | Medium-high temperature solar heat collecting absoption air conditioner system | |
| CN1485588A (en) | Dual-purpose multiple operating mode self-defrosting type heat pump air-conditioner and automatic defrosting process thereof | |
| CN107726425B (en) | Solar auxiliary heat pump and phase-change energy storage integrated heating system | |
| CN208312733U (en) | A kind of solar energy combines heating test experimental bed with air energy heat pump | |
| CN203572093U (en) | Hot water CCHP heat pump unit of air-source central air conditioner | |
| CN202131681U (en) | Multifunctional thermal insulation system for integrating heat pipes and outer wall decorative finish | |
| CN1884931A (en) | Household thermoelectric cold and warm air conditioning and water heating system | |
| CN2763729Y (en) | Boiler and air conditioner set combined system | |
| CN103174474A (en) | System used for improving combined cycle generator set vacuumizing efficiency and saving air conditioner power utilization | |
| CN200961970Y (en) | Water source heat pump for supplying the hot water | |
| CN2807158Y (en) | Gas-liquid separator | |
| CN2811821Y (en) | Solar water heating and air conditioning integrated device | |
| CN1884932A (en) | Household thermoelectric cold and heat source system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080312 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |