CN203083073U - Central ventilation system capable of being in linkage with air conditioner - Google Patents
Central ventilation system capable of being in linkage with air conditioner Download PDFInfo
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- CN203083073U CN203083073U CN 201220664475 CN201220664475U CN203083073U CN 203083073 U CN203083073 U CN 203083073U CN 201220664475 CN201220664475 CN 201220664475 CN 201220664475 U CN201220664475 U CN 201220664475U CN 203083073 U CN203083073 U CN 203083073U
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Abstract
Provided is a central ventilation system capable of being in linkage with an air conditioner. The central ventilation system capable of being in linkage with the air conditioner comprises a fresh air machine, a first splitter, a second splitter, fresh air branch pipes, air exhaust branch pipes, fresh air inlets, air outlets, a controller, a purifying box, air conditioner outdoor units, air conditioner indoor units, an air conditioner switch device, indoor temperature sensors, an outdoor temperature sensor, gas probe sets, a total air inlet, a total air outlet, and the like. Programming is carried out on a microcomputer chip in the controller, relevant circuits are controlled to achieve a function of fresh air cooling, a function of energy saving and a function of indoor air safety, and double effects including an effect of having the fresh air and an effect of high efficiency and energy saving are achieved. Meanwhile, the central ventilation system capable of being in linkage with the air conditioner is further provided with a plurality of gas probes which are used for detecting indoor harmful gases, when indoor pollution exceeds a standard, the fresh air machine is started, the fresh air is led in, and the harmful gases are discharged out of a room.
Description
Technical field the utility model belongs to the system that regulates air and room temperature, be specially can with the VMC of air-conditioning interlock.
The background technology air quality is very close to the health effect of human body, from voguish anion generator, to various indoor air cleaner, all attempt room air is filtered, sterilizes and purifies, in recent years the technology and the product that have occurred family's VMC again, for example: the full heat exchange VMC of considering design from energy-conservation angle is made up of heat recovery fresh air main frame, fresh wind tube road, exhaust duct, fresh wind port, exhaust outlet etc.It belongs to the new new blower fan of bidirectional flow, is to adopt two-way ventilation, outdoor fresh air (new wind) is sent into indoor the time, also indoor foul atmosphere (old wind) row to outdoor.Send into indoor new wind and filter, ensured the cleaning of room air through air cleaner.Because the winter and the big temperature difference of indoor and outdoor existence in summer are provided with air heat exchanger in the fresh air ventilator, introduce indoor air owing to reclaimed the energy of discharging air, have saved the energy.
But so far, various VMCs are not all considered it is combined interlock with indoor existing air-conditioning, that is: when realizing new wind function, can utilize the new wind that outdoor nocturnal temperature has declined to a great extent to be room temperature lowering fully in summer.People sleep by air-conditioning temperature-reducing for a long time, its tangible China a lot of place day and night temperature in summer is very big, room as family, can utilize the new wind cooling of introducing fully at night, significantly reduce the workload of air-conditioning like this, saves energy significantly, the new wind of introducing from the Nature makes people avoid the puzzlement of " air conditioner disease " simultaneously, and it is more healthy to live.
Summary of the invention: the purpose of this utility model is: the deficiency that overcomes technology described in the technical background and product is provided, provide can with the VMC of air-conditioning interlock, this system comprises new blower fan, the splitter first, splitter second, new wind arm, the air draft arm, fresh wind port, exhaust outlet, controller, purifying box, air-conditioner outdoor unit, indoor apparatus of air conditioner, indoor temperature transmitter, outdoor temperature sensor, the gas probe collection, total air inlet, total exhaust outlet.Wherein: the associated components annexation that constitutes air intake passage is: total air inlet is connected with purifying box, the other end of purifying box is connected with new wind air inlet, newly the other end of air inlet is connected with the blast main of splitter first, the branch airduct of splitter first is with newly the wind arm is connected, newly the other end of wind arm is connected with an end of fresh wind port, fresh wind port be arranged on body of wall in the room or furred ceiling on; The annexation that constitutes the air exhaust passage associated components is: exhaust outlet is connected with an end of air draft arm, the other end of air draft arm is connected with the branch airduct of splitter second, the blast main of splitter second is connected with an end of new blower fan exhaust outlet, the other end of new blower fan connects total exhaust outlet.
Microcomputer chip in the controller programmed realize the circuit that control is relevant, the indoor and outdoor temperature sensor signal is passed to controller and by controller new blower fan and air-conditioning etc. is constituted linked system, its middle controller be provided be used for function setting key and display lamp and/or LED (or LCD) display screen be set.Can realize: 1, the rotating speed of new blower fan is set to be fit on the function of eliminating indoor pollution of VMC, that is: slow shelves are interval.When system works when slow shelves are interval, its function and existing VMC are just the same, mainly utilize new wind flow and get rid of indoor pollution; 2; at the night in summer; system is arranged on the fast shelves interval that utilizes outdoor cold wind to lower the temperature in a large number for the room; that is: when outdoor temperature sensor records outdoor temperature and is low to moderate the temperature T 1 of setting; controller will be shut down by air-conditioning switch device control air-conditioning; after this indoor temperature can be shut down gradually because of air-conditioning and be risen; when indoor temperature transmitter records indoor temperature and rises to the temperature T 2 of setting (T2 can be set to≤T1); new fan starting also enters the interval work of fast shelves; the a large amount of outdoor cold wind that utilizes new blower fan to introduce is lowered the temperature to the room, reaches the energy-conservation again double effects of existing new wind.
3, controller utilizes gas probe to detect and control the duty of new blower fan, when the indoor harmful gas pollution exceeds standard, will start new blower fan dilution and get rid of indoor foul atmosphere, reaches the indoor air purpose of safety.
The technical scheme that its technical problem that solves the utility model adopts is: new blower fan is to adopt the new blower fan of bidirectional flow and it is installed in the appropriate location of kitchen or toilet furred ceiling or outdoor body of wall.Associated components such as new blower fan and splitter constitute air intake passage and air exhaust passages, are respectively arranged with splitter at air intake passage and air exhaust passage, and splitter is the parts that air is shunted, and make a plurality of minutes airducts of a blast main correspondence.Wherein, the associated components annexation that constitutes air intake passage is: total air inlet is connected with purifying box, the other end of purifying box is connected with new air inlet, newly the other end of air inlet is connected with the blast main of splitter first, the branch airduct of splitter first is with newly the wind arm is connected, newly the other end of wind arm is connected with an end of fresh wind port, and fresh wind port is arranged on the appropriate location of body of wall in the room or furred ceiling.The annexation that constitutes the air exhaust passage associated components is: be arranged at that the exhaust outlet room in is connected with an end of air draft arm, the other end of air draft arm is connected with the branch airduct of splitter second, the blast main of splitter second is with newly an end of blower fan exhaust outlet is connected, newly the other end of blower fan exhaust outlet connects total exhaust outlet.Comprise in the controller and be provided with microcomputer chip and relevant control circuit, key and display lamp and/or LED or LCD display are set, it respectively with new blower fan, indoor temperature transmitter, outdoor temperature sensor, the air-conditioning switch device, gas probe current collection gas phase connects, wherein the air-conditioning switch device is control, the device or the infrared transmitting tube of emission air-conditioning switch signal, can adopt existing on the market " universal remote control " know-why to realize different types of air conditioners is assert and effectively control, be installed on fresh wind port or the exhaust outlet, perhaps they peripheral position and aim at the receiving side signal position of air-conditioning, control the Push And Release of its emission wireless signal control air-conditioning by controller; Perhaps constitute the air-conditioning switch device and also directly link to each other, realize the Push And Release of air-conditioning by controller controlled entity electric wire with existing switch terminal on the indoor apparatus of air conditioner with the entity electric wire; Indoor temperature transmitter and outdoor temperature sensor are placed in respectively on the relevant position of the indoor of body of wall and outside, the numerical value that controller is surveyed the indoor and outdoor temperature sensor compares with temperature value T1 and T2 set on controller, and then determines the duty of new blower fan, air door and air-conditioning.
Concrete function of the present utility model is: 1, new wind function: the rotating speed by the new blower fan of controller is set to be fit on the function of eliminating indoor pollution of VMC, that is: the interval of several slow shelves gears is arranged.When system works when slow shelves are interval, its function and existing VMC are just the same, mainly utilize new wind flow and get rid of indoor pollution; 2; cooling energy-saving function: at the night in summer; system is arranged on the fast shelves interval that utilizes outdoor cold wind to lower the temperature in a large number for the room; that is: when outdoor temperature sensor records outdoor temperature and is low to moderate the temperature T 1 of setting; controller will be shut down by air-conditioning switch device control air-conditioning; after this indoor temperature can be shut down gradually because of air-conditioning and be risen; when indoor temperature transmitter records indoor temperature and rises to the temperature T 2 of setting (T2 can be set to≤T1); new fan starting also enters the interval work of fast shelves; utilize new blower fan to introduce outdoor a large amount of cold wind the room is lowered the temperature, reach the energy-conservation again double effects of existing new wind.3, function is dyed in safe blowdown: indoor near have a rest and the appropriate location of sleep install be used for the detecting chamber internal contamination as the various sensors to human injury's gas such as formaldehyde, benzene, carbon monoxide, smog, ammonia, controller utilizes the gas probe collection to detect and control the duty of new blower fan, when the indoor harmful gas pollution exceeds standard, will start new blower fan dilution and get rid of indoor harmful gas, reach the purpose of air-safety.
Room described in the utility model comprises bedroom, parlor and dining room etc.; Described new blower fan adopts the new blower fan of bidirectional flow, comprises the new blower fan of full heat exchange with energy-conservation effect etc.; Described purifying box is meant the device that is used for air cleaning, the fresh air purifying case finished product that also can adopt prior art to produce; Described controller is installed in indoor common point, so that operate, be provided with; Described indoor temperature transmitter all links to each other with controller with outdoor temperature sensor, and is installed in the indoor and the outside of body of wall respectively; Described gas probe collection one end link control module, the other end are the various sensors to human injury's gas such as the formaldehyde that is used for the detecting chamber internal contamination, benzene, carbon monoxide, smog, ammonia, are installed in indoor near having a rest or the position of sleep.
The beneficial effects of the utility model are: the function to existing VMC promotes and expands, and has to purify air and the dual-use function of " natural air conditioner ", and is automatic temperature-controlled, significantly reduces the workload of air-conditioning, avoids air conditioner disease and saves energy significantly.
Description of drawings Fig. 1 is connection, the scheme of installation of embodiment 1;
Fig. 2 is the block diagram that is electrically connected of the controller of embodiment 1 and associated components;
Fig. 3 is connection, the scheme of installation of embodiment 2;
Fig. 4 is the block diagram that is electrically connected of the controller of embodiment 2 and associated components.
Among the figure: the new blower fan of 1-, 2-splitter first, 3-splitter second, the new wind arm of 4-, 5-air draft arm, 6-fresh wind port, 7-exhaust outlet, 8-controller, the 9-purifying box, 10-air-conditioner outdoor unit, 11-indoor apparatus of air conditioner, 12-air-conditioning switch device, 13-indoor temperature transmitter, 14-outdoor temperature sensor, 15-gas probe collection, the total air inlet of 16-, the total exhaust outlet of 17-, the 18-wall, 19-door, 20-glass.
The specific embodiment can with the VMC of air-conditioning interlock, comprise new blower fan 1, splitter first 2, splitter second 3, new wind arm 4, air draft arm 5, fresh wind port 6, exhaust outlet 7, controller 8, purifying box 9, air draft arm 5, air-conditioning 11, air-conditioning switch device 12, indoor temperature transmitter 13, outdoor temperature sensor 14, gas probe collection 15, total air inlet 16, total exhaust outlet 17, air door second 18.Gas probe collection described in the utility model can support to connect probes multiple, many purposes, among the figure it is concentrated with a box indicating; Described air-conditioning comprises wall-hanging and vertical air conditioner, contains indoor set and off-premises station, and the indoor set that only drawn among the figure is as signal.Total air inlet 16 and total exhaust outlet 17 are provided with Air Filter and/or rain cover (existing procucts and technology are not drawn among the figure).
Embodiment of the present utility model is described below, but content of the present utility model is not limited to this:
Embodiment 1: Fig. 1 is connection, scheme of installation, and Fig. 2 is the block diagram that is electrically connected of controller and associated components.Present embodiment is to exemplify the utility model to be installed in the house of defending in 1 kitchen 1,2 Rooms, Room 2, unit, and the new blower fan 1 of employing is the new blower fan of heat exchange.The general location of the door of door each chamber of expression 19 among Fig. 1, on behalf of windowpane and glass, glass 20 cut off, the roughly exterior contour of wall 21 expression self-contained flats and the separation situation substantially between each room.
At first, outdoor temperature sensor 14 and indoor temperature transmitter 13 are installed in the outside of body of wall and the appropriate location of indoor (do not omit among the figure and draw) respectively, pernicious gas probe collection 15 is installed in indoor position near sleep quality (do not omit among the figure and draw); New blower fan 1 is installed in the appropriate location of the furred ceiling top of toilet, install in will be correlated with again airduct, splitter, air ports etc., constitute the air intake passage associated components connection is installed: total air inlet 16 is connected with an end of purifying box 9, the other end of purifying box is connected with new blower fan 1 air inlet, newly the other end of the air inlet of blower fan 1 is connected with the blast main of splitter first 2, the branch airduct of splitter first is with newly wind arm 4 is connected, newly the other end of wind arm is connected with fresh wind port 6, and fresh wind port 6 is arranged on the body of wall or furred ceiling in the room; To constitute the air exhaust passage associated components simultaneously connection will be installed: with exhaust outlet 7 be connected with air draft arm 5, the other end of air draft arm 5 is connected with new blower fan 1 exhaust outlet with the other end with being connected of splitter second 3, splitter second, newly the other end of blower fan exhaust outlet connects total exhaust outlet 17.
Secondly, on the wall in room 1, room 2 and parlor (dining room that contains disjunctor) or the appropriate location of furred ceiling be respectively arranged with fresh wind port 6 and exhaust outlet 7, like this, three new wind arms 4 and three air draft arms 5 lead to room 1, room 2 and parlor (dining room that contains disjunctor) and corresponding respectively in corresponding fresh wind port and exhaust outlet in pairs, and fresh wind port 6 and exhaust outlet 7 adopt all that existing product sold does not repeat them here on the market.Simultaneously air-conditioning switch device 12 is arranged on the exhaust outlet 7, aims at the receiving side signal position of indoor apparatus of air conditioner 11.
Once more, according to the be electrically connected block diagram of controller shown in Figure 28 with associated components, with new blower fan 1, air-conditioning switch device 12, indoor temperature transmitter 13, outdoor temperature sensor 14, gas probe collection 15 respectively with controller 8 in corresponding terminals link to each other, because of those skilled in the art all can cognitively also can operate, so all mark its concrete physical routing path profile that draws among each figure.Among Fig. 2 of present embodiment, the dotted line that draws between air-conditioning switch device 12 and air-conditioning 11 is to represent that the two is the annexation of wireless signal.Like this, the whole the utility model of connecting with the mains can use.Exemplify below:
1, new wind function: on the operation control 8 button is set, make system works interval at slow shelves, new rotation speed of fan can be located at the suitable gear of the high, medium and low third gear of this operation interval according to actual needs, this stylish blower fan 1 starts, outdoor new wind is from total air inlet 16 introducings and behind purifying box 9 filtration, purifications, by splitter first 2 and be divided to corresponding new wind arm 4, enter the room from fresh wind port 6 at last again.Simultaneously, the air of indoor dirt flows to air draft arm 5 from exhaust outlet 7 and enters splitter second 3 and converge, and is last all outdoor by blower fan 1 discharge newly through total exhaust outlet 17.The new blower fan of present embodiment is to adopt the new blower fan of heat exchange, like this, the new wind of outdoor introducing and the air themperature of carrying out in the air heat exchanger of the new blower fan of heat exchange from the air of indoor eliminating in cold and hot energy exchange and the balance inlet chamber, thus electric energy saved.These new wind function four seasons can be used.
2, cooling energy-saving function: about 10 ℃ of day and night temperatures in China the greater part in summer.As night in summer: at first being provided with on controller 8 and possessing the temperature conditions of introducing outdoor new wind, also is the temperature value T1 of air-conditioning can shut down the time; Temperature value T2 when secondly, new fan starting being set.The set temperature value of opening air-conditioning before if sleep is 26 ℃, T1 can be set so about 26 ℃.T2 can be set to≤T1, to guarantee that after air-conditioning is shut down the too high stylish blower fan that indoor temperature does not also rise is introduced new wind cooling with regard to OnNow.Temperature and the T1 that has been provided with the utility model, T2 that controller 8 is surveyed respectively by microcomputer chip analysis indoor temperature transmitter 13, outdoor temperature sensor 14 compare; when outdoor temperature is reduced to T1 or its following numerical value; controller 8 promptly sends wireless stopping signal by air-conditioning switch device 12 to indoor apparatus of air conditioner 11, makes air-conditioning enter stopped status.After this; indoor temperature can be shut down gradually because of air-conditioning and be risen; when indoor temperature transmitter records indoor temperature and rises to the temperature T 2 of setting (T2 can be set to≤T1); controller 8 starts new blower fan 1; outdoor new wind is from total air inlet 16 introducings and behind purifying box 9 filtration, purifications; by splitter first 2 and be divided to corresponding new wind arm 4, enter the room from fresh wind port 6 at last again.Simultaneously, the air of indoor dirt flows to air draft arm 5 from exhaust outlet 7 and enters splitter second 3 again and converge, and is last all outdoor by blower fan 1 discharge newly through total exhaust outlet 17.At this moment, because system works is interval at fast shelves, indoor air is in quick circulation status, realizes utilizing outdoor cold wind to be the room purpose of lowering the temperature.Like this, both introduced fresh air, and utilized China's big characteristics of many local day and night temperatures in summer to use the natural air cooling again, one side is saves energy significantly, avoided closing whole night night in summer the door cooling of turning on the aircondition on the other hand again, occurred " air conditioner disease " that make us uncomfortable because of air is obstructed.Actual showing comprises daytime of early autumn and Chun Mo, can select for use the new wind that constantly flows to substitute air-conditioning temperature-reducing.
3, function is dyed in safe blowdown: under open state, gas probe 15 just automatically, constantly survey to indoor harmful gas, when indoor harmful gas pollutes when exceeding standard, controller 8 will start new blower fan 1, its circulation of air principle as mentioned above, pernicious gas by constantly dilution, discharge outdoor.
Embodiment 2: Fig. 3 is connection, the scheme of installation of embodiment 2, and Fig. 4 is the block diagram that is electrically connected of controller of the present utility model and associated components.Present embodiment remains and exemplifies the utility model and be installed in the house of defending in 1 kitchen 1,2 Rooms, Room 2, unit, operation principle is just the same with use method of operating and embodiment 1, be characterized in: 1, air-conditioning switch device 12 is that the entity electric wire constitutes, air-conditioning switch device 12 draws with solid line with the electric connecting relation of indoor apparatus of air conditioner 11 among Fig. 4, special presentation-entity electric wire directly links to each other with indoor apparatus of air conditioner switch inside binding post, controller 8 is by the Push And Release (all can implement the entity electric wire that does not draw concrete among the figure for those skilled in the art) of entity electric wire control air-conditioning.Function is dyed in new wind function, cooling energy-saving function and the safe blowdown of present embodiment and embodiment 1 is identical, and operation principle and using method are also just the same, repeat no more.As described in embodiment, the utility model not only has the effect of fresh air purifying, has more the function that Based Intelligent Control realizes " natural air conditioner ", when ensureing people's air-safety, reduces the workload of air-conditioning in a large number, significantly saves energy.Energy-conservation, healthy and comfortable living environment that high-quality, ozone have been built also can be widely used in places such as office, night shift room.
Should; those of ordinary skill in the art is under enlightenment of the present utility model; also can make other distortion or improvement; as: the standard of the new blower fan of conversion or change purifying box position etc. is set; all can realize the purpose of this utility model; but not changing the interlock control feature of controller, be provided with reality indoor, outdoor temperature sensor simultaneously, all should be considered as mentality of designing of the present utility model, scheme and protection domain new blower fan and air-conditioning.
Claims (5)
- Can with the VMC of air-conditioning interlock, comprise new blower fan (1), splitter first (2) splitter second (3), new wind arm (4), air draft arm (5), fresh wind port (6), exhaust outlet (7), controller (8), purifying box (9), air-conditioner outdoor unit (10), indoor apparatus of air conditioner (11), indoor temperature transmitter (13), outdoor temperature sensor (14), gas probe collection (15), total air inlet (16), total exhaust outlet (17) is characterized in that: the associated components annexation that constitutes air intake passage is: total air inlet (16) is connected with purifying box (9), the other end of purifying box (9) is connected with new blower fan (1) air inlet, the other end of new air inlet is connected with the blast main of splitter first (2), the branch airduct of splitter first (2) is connected with new wind arm (4), the other end of new wind arm (4) is connected with an end of fresh wind port (6), fresh wind port (6) be arranged on body of wall in the room or furred ceiling on; The annexation that constitutes the air exhaust passage associated components is: exhaust outlet (7) is connected with an end of air draft arm (5), the other end of air draft arm (5) is connected with the branch airduct of splitter second (3), the blast main of splitter second (3) is connected with an end of new blower fan (1) exhaust outlet, the other end of new blower fan connects total exhaust outlet (17).
- 2. according to claim 1 can with the VMC of air-conditioning interlock, it is characterized in that: described indoor temperature transmitter (13) all links to each other with controller (8) with outdoor temperature sensor (14), and is installed in the indoor and the outside of body of wall respectively.
- 3. according to claim 1 can with the VMC of air-conditioning interlock, it is characterized in that: comprise in the described controller (8) be provided with microcomputer chip with relevant control circuit, key and display lamp and/or display screen are set, it respectively with new blower fan (1), indoor temperature transmitter (13), outdoor temperature sensor (14), air-conditioning switch device (12) gas probe collection (15) is electrically connected.
- 4. according to claim 1 can with the VMC of air-conditioning interlock, it is characterized in that: described air-conditioning switch device (12) is the device or the infrared transmitting tube of control, emission air-conditioning switch signal, is installed in that fresh wind port (6) or exhaust outlet (7) are gone up or the position of their peripheries and aim at the Push And Release of the receiving side signal position of air-conditioning with wireless signal control air-conditioning; Perhaps also directly go up existing switch terminal and link to each other, realize the Push And Release of air-conditioning by controller (8) controlled entity electric wire with indoor apparatus of air conditioner (11) with entity electric wire formation air-conditioning switch device (12).
- 5. according to claim 1 can with the VMC of air-conditioning interlock, it is characterized in that: described gas probe collection (15) one end link control modules (8), the other end is the sensor of the formaldehyde that is used for the detecting chamber internal contamination, benzene, carbon monoxide, smog, ammonia gas, is installed in indoor near having a rest or the position of sleep.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664475 CN203083073U (en) | 2012-11-28 | 2012-11-28 | Central ventilation system capable of being in linkage with air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664475 CN203083073U (en) | 2012-11-28 | 2012-11-28 | Central ventilation system capable of being in linkage with air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN203083073U true CN203083073U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220664475 Expired - Fee Related CN203083073U (en) | 2012-11-28 | 2012-11-28 | Central ventilation system capable of being in linkage with air conditioner |
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| Country | Link |
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| CN (1) | CN203083073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288123A (en) * | 2016-08-17 | 2017-01-04 | 浙江诚名智能工程有限公司 | A kind of central ventilation system |
-
2012
- 2012-11-28 CN CN 201220664475 patent/CN203083073U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288123A (en) * | 2016-08-17 | 2017-01-04 | 浙江诚名智能工程有限公司 | A kind of central ventilation system |
| CN106288123B (en) * | 2016-08-17 | 2019-04-02 | 浙江诚名智能工程有限公司 | A kind of central ventilation system |
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Effective date of registration: 20161122 Address after: 315000 West Mt. Hengshan Road, Beilun District, Zhejiang, Ningbo, China Patentee after: Ningbo Blue's environmental science and Technology Co Ltd Address before: 230000 Anhui province Hefei City Government District Dan garden 11 unit 3 Building Room 706 Patentee before: Liu Huarong |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20130724 Termination date: 20201128 |