CN201835553U - Energy-saving machine room - Google Patents
Energy-saving machine room Download PDFInfo
- Publication number
- CN201835553U CN201835553U CN2010202816204U CN201020281620U CN201835553U CN 201835553 U CN201835553 U CN 201835553U CN 2010202816204 U CN2010202816204 U CN 2010202816204U CN 201020281620 U CN201020281620 U CN 201020281620U CN 201835553 U CN201835553 U CN 201835553U
- Authority
- CN
- China
- Prior art keywords
- machine room
- energy
- heat exchange
- blower fan
- heat
- 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 - Fee Related
Links
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to an energy-saving machine room which comprises a machine room body provided with a heat exchange chamber arranged on the outer side of at least one side wall of the machine room body, wherein the heat exchange chamber comprises an outer side plate, and a hollow heat exchange interlayer is formed between the outer side plate and the side wall; a heat exchange plate is arranged inside the heat exchange interlayer to divide the heat exchange interlayer into a first part and a second part; at least two openable/closable indoor ventilation openings are arranged on the side wall, and at least one of the indoor ventilation openings is provided with a first blower; at least two openable/closable outdoor ventilation openings are arranged on the outer side plate, and at least one of the outdoor ventilation openings is provided with a second blower; and the heat exchange occurs between the air inside the machine room body and the air outside the heat exchange chamber inside the heat exchange chamber through the heat exchange plate, so that the heat generated inside the machine room body is carried away. With the heat exchange chamber, the energy-saving machine room can take full advantage of the external environment to reduce the temperature inside the machine room body and can reduce the use of the air conditioner in the machine room, even avoid the use of the air conditioner, thereby achieving the purpose of energy saving.
Description
Technical field
The utility model relates to communications equipment room, more particularly, relates to a kind of energy-conservation machine room.
Background technology
Several big operator of China comprises mobile, UNICOM, Netcom, telecommunications etc., and the quantity that has the base station is at 20～300,000, and wherein the overwhelming majority is the old base station of building in the past, and the energy consumption height need carry out reducing energy consumption.Moving forward steadily of the 2G network coverage simultaneously and 3G network construction, the quantity of base station machine room construction can continue to rise, and the demand of machine room quantity is greatly progressively strengthened, and while the energy-conservation of each base station machine room also is the pressing issues that must solve.Add up according to authority, the energy consumption of communication base station account for the whole energy consumption of operator about 70% (wherein the communications equipment room energy consumption be operator's total energy consumption 40%), other are the energy consumption of production management and business hall, and therefore reducing the machine room energy consumption has very important realistic meaning.
With regard to energy-conservation machine room, according to the use experience of mobile operator, the comprehensive energy consumption of sandwich color steel plate machine room will be higher than the civil engineering machine room.This is the heat inertia index D value little (being the heat insulating ability height, poor radiation) owing to the color steel machine room, and the complete attenuation degree is little, and time delay is short, and building maintenance thermal technology property is poor, shuts down the back interior temperature and gos up comparatively fast, and air-conditioning available machine time every day is longer, and energy consumption is big.Show that mainly outside temperature is lower, season (as spring and autumn) that the machine room interior temperature is higher or the low temperature time period of every day (as evening etc.), common color steel machine room is difficult for utilizing outdoor environment temperature reduction, and energy consumption increases.Because civil engineering machine room engineering quantity is big, the construction period is long, lacks mobility, so the sandwich color steel machine room uses often.
At machine room energy-saving, people have also developed some energy-saving equipments, and as air-conditioning, ventilation equipment, the heat-exchange apparatus of energy-saving type, these equipment all need to be used on the base station machine room, to reach the purpose that reduces power consumption.But the structure energy-saving problem of machine room itself, also few people pay close attention to.If can make chromatic steel sandwich plate machine room high-efficiency insulated (when being lower than outside temperature) when the needs heat-insulation and heat-preservation as interior temperature, can quick heat radiating (when being higher than outside temperature) when the needs quick heat radiating as interior temperature, so just can make full use of the high-efficiency insulated performance of sandwiched plate material, make full use of outdoor natural environment temperature simultaneously.
The utility model content
The technical problems to be solved in the utility model is, at the high defective of the above-mentioned energy consumption of the machine room of prior art, provides a kind of energy-conservation machine room, can make full use of external environment condition and dispel the heat, and with the use of minimizing air conditioner in machine room, thereby reaches purpose of energy saving.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of energy-conservation machine room, comprise the machine room body, the arranged outside of at least one sidewall of described machine room body has the heat exchange storehouse;
Described heat exchange storehouse comprises an outer panel, forms a hollow interchange of heat interlayer between described outer panel and the described sidewall;
Be provided with heat exchanger plates in the described interchange of heat interlayer, described heat exchanger plates is divided into two independent parts with described interchange of heat interlayer, and the part between wherein said heat exchanger plates and the described sidewall is a first, is second portion between described heat exchanger plates and the described outer panel;
At least be provided with two room ventilation mouths to be opened/closed on the described sidewall, wherein at least one room ventilation mouth is provided with first blower fan;
At least be provided with two outdoor ventilation mouths to be opened/closed on the described outer panel, wherein at least one outdoor ventilation mouth is provided with second blower fan;
The air of described machine room body interior is entered into the first of described interchange of heat interlayer and is back to the machine room body interior by another room ventilation mouth by one of them room ventilation mouth under the effect of described first blower fan, described heat exchange storehouse air outside enters into the second portion of described interchange of heat interlayer by one of them outdoor ventilation mouth and is back to outdoorly by another one outdoor ventilation mouth under the effect of described second blower fan, the air of described machine room body interior and described heat exchange storehouse air outside are carried out interchange of heat by heat exchanger plates when flowing through described heat exchanger plates.
In energy-conservation machine room described in the utility model, described heat exchanger plates is a metal sheet roof covering.
In energy-conservation machine room described in the utility model, described heat exchanger plates is flat board or corrugated sheet.
In energy-conservation machine room described in the utility model, the crest or the trough of described corrugated sheet vertically extend.
In energy-conservation machine room described in the utility model, be provided with the controller that is used to control described first blower fan and second blower fan in the described machine room body, described first blower fan and described second blower fan are electrically connected with described controller.
In energy-conservation machine room described in the utility model, described controller also is connected with indoor temperature transmitter and outdoor temperature sensor.
In energy-conservation machine room described in the utility model, two described room ventilation mouths are positioned at the position at the diagonal angle of described sidewall, and two described outdoor ventilation mouth correspondences are arranged on the diagonal position of described outer panel.
In energy-conservation machine room described in the utility model, described first blower fan and second blower fan stagger mutually.
In energy-conservation machine room described in the utility model, described outdoor ventilation mouth and described room ventilation mouth are provided with shutter.
In energy-conservation machine room described in the utility model, described shutter is passive shutter or electric-controlled type shutter.
Implement energy-conservation machine room of the present utility model, have following beneficial effect: energy-conservation machine room of the present utility model has a heat exchange storehouse, can make full use of the temperature that external environment condition reduces the machine room body interior, can reduce the use of the air-conditioning in the machine room, even can not satisfy the demand, thereby reach purpose of energy saving with air-conditioning.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the rear elevation of the preferred embodiment of energy-conservation machine room of the present utility model;
Fig. 2 is an A-A sectional drawing among Fig. 1;
Fig. 3 is a B-B sectional drawing among Fig. 2;
Fig. 4 is the structural representation of heat exchanger plates and outer panel in the preferred embodiment of energy-conservation machine room of the present utility model;
C is to view among Fig. 5 Fig. 2;
Fig. 6 is the front view of shutter in the preferred enforcement of energy-conservation machine room of the present utility model;
Fig. 7 is the left view of shutter shown in Figure 6.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 5, a preferred embodiment for energy-conservation machine room of the present utility model comprises machine room body 100, and the arranged outside of the rear wall 110 of machine room body 100 has heat exchange storehouse 200; Heat exchange storehouse 200 comprises an outer panel 210, forms a hollow interchange of heat interlayer 220 between outer panel 210 and the rear wall 110, and the top board 120 of machine room body 100 and left side wall 130 extend back respectively with right side wall 140 and be connected with outer panel 210; Be provided with heat exchanger plates 230 in the interchange of heat interlayer 220, heat exchanger plates 230 is divided into two independent parts with interchange of heat interlayer 220, wherein the part between heat exchanger plates 230 and the rear wall 110 is a first 221, is second portion 222 between heat exchanger plates 230 and the outer panel 210; Rear wall 110 is provided with two room ventilation mouths 111,112 to be opened/closed, one of them room ventilation mouth 111 is provided with first blower fan 310, in the present embodiment, room ventilation mouth 111 is an air outlet, room ventilation mouth 112 is a return air inlet, the air of machine room body 100 is back in the machine room body 100 by room ventilation mouth 112 after first 221 flows by the first 221 that is entered into interchange of heat interlayer 220 under the effect of blower fan 310 by room ventilation mouth 111; Outer panel 210 is provided with two outdoor ventilation mouths 211,212 to be opened/closed, one of them outdoor ventilation mouth 212 is provided with second blower fan 320, in the present embodiment, outdoor ventilation mouth 212 is an air intake, outdoor ventilation mouth 211 is an air outlet, heat exchange storehouse 200 air outside are entered into the second portion 222 of interchange of heat interlayer 220 by outdoor ventilation mouth 212 under the effect of second blower fan 320, the back of flowing in second portion 221 is gone out by outdoor ventilation mouth 211; The air of machine room body 100 inside and heat exchange storehouse 200 air outside are carried out interchange of heat by heat exchanger plates 230 when flowing through heat exchanger plates 230, allow the cold air of 200 outsides, heat exchange storehouse that the heat in the machine room body 100 is taken away, to reach the purpose of heat radiation.When room ventilation mouth 111,112 and outdoor ventilation mouth 211,212 are all closed, air in the heat exchange interlayer 220 does not flow, form two air layers of inside and outside relative closure, the interchange of heat that can completely cut off the inside and outside space of machine room, make machine room have good heat insulation effect, this is particularly useful when the machine room temperature inside is lower than outside temperature.
Referring to Fig. 3 and Fig. 4, show the structure in heat exchange storehouse 200 in the present embodiment, in the present embodiment, outer panel 210 comprises the framework 213 of steel work and is arranged on steel plate 214 on the framework 213 that its light plate 214 is common color steel or steel sheet zinc-plated and that did other antirust processing.This structure makes outer panel 210 process easily, and has good heat-conducting effect, can strengthen heat radiation.The heat exchanger plates 230 general metal sheets of good heat conductivity that adopt are made, flash plating zinc steel plate for example, thin aluminum sheet or other metal sheets, it also will carry out suitable antirust, preservative treatment, can select flat board or corrugated sheet for use, preferred corrugated sheet, because corrugated sheet can increase the surface area of heat exchanger plates 230, make interchange of heat become more abundant, when adopting corrugated sheet, making the crest of corrugated sheet or the bearing of trend of trough is vertical direction, promptly be consistent with airflow direction, reduce gas at its Surface runoff resistance, heat exchanger plates also can be the metal sheet with " W " shape or " bow " shape fold.
Referring to Fig. 1, Fig. 2 and shown in Figure 5, in the present embodiment, in order to obtain better radiating effect, outdoor ventilation mouth 211,212 is separately positioned on the diagonal angle of outer panel 210, the outdoor ventilation mouth button 211 that wherein is used for outside air-out is positioned at by last diagonal angle, the outdoor ventilation mouth 212 that is used for air intake be positioned at by under the diagonal angle; And on the rear wall 110 of machine room body 100, when room ventilation mouth 111,112 is arranged on the position at corresponding diagonal angle too, the position that is room ventilation mouth 111 is corresponding with the position of outdoor ventilation mouth 211, and the position of room ventilation mouth 112 is corresponding with the position of outdoor ventilation mouth 212; First blower fan 310 and 320 of second blower fans stagger mutually, and promptly the two is in the position of relative angle.The benefit of She Zhiing is like this, the cold air air of 200 outsides, heat exchange storehouse is entered into the second portion 222 of interchange of heat interlayer 220 by the outdoor ventilation mouth 212 that is in lower position, cold air flows in second portion 222 from down to up, the hot air of machine room body 100 is then entered into the first 221 of interchange of heat interlayer 220 by the room ventilation mouth 111 that is in the higher position, hot air flows in first 221 from top to bottom, cold air and hot air flow in the opposite direction in heat exchanger plates 230 both sides, can strengthen the heat exchange effect, in second portion 222, rise in cold air heating back, in first 221, after turning cold, hot air descends, the also principle of aerodynamic strengthens the flowability of air.Arrow among Fig. 2 shows, when first blower fan 310 and second blower fan 320 are opened, and the air-flow direction in machine room body 100 and the interchange of heat interlayer 220.
In the present embodiment, room ventilation mouth 112 and outdoor ventilation mouth 211 are respectively arranged with shutter 330,340, the structure of shutter 330,340 as shown in Figure 6 and Figure 7, be the passive shutter, under the nature, the blade of shutter overlaps because of its deadweight, when there is draught head in the both sides of shutter, the blade of shutter is open under the effect of pressure reduction, and shutter is opened, and air flows to low-pressure side by the high-pressure side.First blower fan 310 and second blower fan 320 all carry shutter, and when blower fan was worked, its shutter was blown open, and when blower fan stopped, its shutter was closed automatically.It will be appreciated that the shutter of present embodiment also can change automatically controlled shutter into, promptly shutter has the motor that the control shutter opens and closes, and controls motor to reach the switching of control shutter by controller.
In the present embodiment, for the accurately switching of blower fan, utilize external environment condition to dispel the heat to greatest extent, be provided with controller 400, the first blower fans 310 and second blower fan 320 that are used to control first blower fan 310 and second blower fan 320 in the machine room body 100 and be electrically connected with controller 400.The single-chip microcomputer that controller 400 can be used always or other control chips also can be the control chips of temperature control system in the machine room, open or close first blower fan 310 and second blower fan 320 according to setting.Controller 400 also is connected with indoor temperature transmitter and outdoor temperature sensor, be respectively applied for and detect temperature and the outer temperature of machine room in the machine room, controller 400 can be according to the outer temperature of temperature in the machine room and machine room poor, determine whether to need to open first blower fan 310 and second blower fan 320, temperature gap can preestablish, for example can set to open when outside temperature is lower than 5 degrees centigrade of interior temperatures and open first blower fan 310 and second blower fan 320, otherwise close, occurrence can be set according to the concrete condition of machine room.When first blower fan 310 and second blower fan 320 were closed, room ventilation mouth 111,112 and outdoor ventilation mouth 211,212 were all closed, and the atmosphere draught-free in the heat exchange interlayer 220 is equivalent to an air heat-insulation layer, is that machine room has good heat insulation effect.In order to obtain better radiating effect, equipment 500 that can calorific value is bigger is arranged on the position near the room ventilation mouth 112 that is used for return air of rear wall 110.
In the present embodiment, heat exchange storehouse 200 is arranged on the outside of the rear wall of machine room body, can be arranged on the extra side of other sidewalls in the practical application, for example left side wall or right side wall, the number in heat exchange storehouse also is not limited to one, can require selected according to the size and the heat radiation of machine room.Rear wall on being the room ventilation mouth and the number of the outdoor ventilation mouth on the outer panel in heat exchange storehouse also be not limited to two, can be provided with a plurality of as required, its particular location, do not limit to and the position shown in the embodiment yet, those skilled in the art can be provided with as required flexibly, the number of blower fan and position also can be provided with flexibly, are not limited to concrete number and position among the embodiment.
In the present embodiment, machine room body 100 adopts steel work and sandwich sheet to build, and it will be appreciated that the machine room body of energy-conservation machine room of the present utility model is not limited to the structure of sandwiched plate sheet material, also can adopt civil engineering structure, for example concrete structure etc.The outer panel in heat exchange storehouse does not limit to the structure with color steel or steel plate yet, can be the concrete slab of civil engineering yet, offers ventilation opening thereon.The heat exchange storehouse also can make a cover body separately, be connected on the sidewall of machine room body.
Energy-conservation machine room of the present utility model has a heat exchange storehouse, can make full use of the temperature that external environment condition reduces the machine room body interior, can reduce the use of the air-conditioning in the machine room, even can not satisfy the demand with air-conditioning, thereby reach purpose of energy saving.
In conjunction with the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (10)
1. an energy-conservation machine room is characterized in that, comprises the machine room body, and the arranged outside of at least one sidewall of described machine room body has the heat exchange storehouse;
Described heat exchange storehouse comprises an outer panel, forms a hollow interchange of heat interlayer between described outer panel and the described sidewall;
Be provided with heat exchanger plates in the described interchange of heat interlayer, described heat exchanger plates is divided into two independent parts with described interchange of heat interlayer, and the part between wherein said heat exchanger plates and the described sidewall is a first, is second portion between described heat exchanger plates and the described outer panel;
At least be provided with two room ventilation mouths to be opened/closed on the described sidewall, wherein at least one room ventilation mouth is provided with first blower fan;
At least be provided with two outdoor ventilation mouths to be opened/closed on the described outer panel, wherein at least one outdoor ventilation mouth is provided with second blower fan.
2. energy-conservation machine room according to claim 1 is characterized in that, described heat exchanger plates is a metal sheet roof covering.
3. energy-conservation machine room according to claim 2 is characterized in that, described heat exchanger plates is flat board or corrugated sheet.
4. energy-conservation machine room according to claim 3 is characterized in that, the crest or the trough of described corrugated sheet vertically extend.
5. according to each described energy-conservation machine room of claim 1 to 4, it is characterized in that be provided with the controller that is used to control described first blower fan and second blower fan in the described machine room body, described first blower fan and described second blower fan are electrically connected with described controller.
6. energy-conservation machine room according to claim 5 is characterized in that described controller also is connected with indoor temperature transmitter and outdoor temperature sensor.
7. according to each described energy-conservation machine room of claim 1 to 4, it is characterized in that two described room ventilation mouths are positioned at the position at the diagonal angle of described sidewall, two described outdoor ventilation mouth correspondences are arranged on the diagonal position of described outer panel.
8. energy-conservation machine room according to claim 7 is characterized in that, described first blower fan and second blower fan stagger mutually.
9. energy-conservation machine room according to claim 8 is characterized in that, described outdoor ventilation mouth and described room ventilation mouth are provided with shutter.
10. energy-conservation machine room according to claim 9 is characterized in that, described shutter is passive shutter or electric-controlled type shutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202816204U CN201835553U (en) | 2010-08-04 | 2010-08-04 | Energy-saving machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202816204U CN201835553U (en) | 2010-08-04 | 2010-08-04 | Energy-saving machine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201835553U true CN201835553U (en) | 2011-05-18 |
Family
ID=44005660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202816204U Expired - Fee Related CN201835553U (en) | 2010-08-04 | 2010-08-04 | Energy-saving machine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201835553U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345397A (en) * | 2010-08-04 | 2012-02-08 | 深圳日海通讯技术股份有限公司 | Energy-saving machine room |
| CN102392545A (en) * | 2011-08-24 | 2012-03-28 | 百度在线网络技术（北京）有限公司 | Data center machine room |
| CN103596391A (en) * | 2012-08-17 | 2014-02-19 | 珠海格力电器股份有限公司 | Power adapter shell assembly, power adapter, air conditioner and dehumidifier |
| CN105780943A (en) * | 2016-03-07 | 2016-07-20 | 江西理工大学 | Multi-story building radiation heat exchanging air conditioner wall body |
| CN110331874A (en) * | 2019-04-23 | 2019-10-15 | 广州市淞滨工程技术有限公司 | A kind of 5G communication machine room of the high safety and reliability with heat sinking function |
-
2010
- 2010-08-04 CN CN2010202816204U patent/CN201835553U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345397A (en) * | 2010-08-04 | 2012-02-08 | 深圳日海通讯技术股份有限公司 | Energy-saving machine room |
| CN102345397B (en) * | 2010-08-04 | 2013-09-18 | 深圳日海通讯技术股份有限公司 | Energy-saving machine room |
| CN102392545A (en) * | 2011-08-24 | 2012-03-28 | 百度在线网络技术（北京）有限公司 | Data center machine room |
| CN102392545B (en) * | 2011-08-24 | 2016-04-13 | 百度在线网络技术（北京）有限公司 | Data center machine room |
| CN103596391A (en) * | 2012-08-17 | 2014-02-19 | 珠海格力电器股份有限公司 | Power adapter shell assembly, power adapter, air conditioner and dehumidifier |
| CN103596391B (en) * | 2012-08-17 | 2016-04-06 | 珠海格力电器股份有限公司 | Power adapter shell assembly, power adapter, air conditioner and dehumidifier |
| CN105780943A (en) * | 2016-03-07 | 2016-07-20 | 江西理工大学 | Multi-story building radiation heat exchanging air conditioner wall body |
| CN105780943B (en) * | 2016-03-07 | 2018-03-23 | 江西理工大学 | A kind of tier building radiation heat transfer wall for air condition |
| CN110331874A (en) * | 2019-04-23 | 2019-10-15 | 广州市淞滨工程技术有限公司 | A kind of 5G communication machine room of the high safety and reliability with heat sinking function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201835553U (en) | Energy-saving machine room | |
| CN102345397B (en) | Energy-saving machine room | |
| CN205476656U (en) | Heat energy -saving environmental protection computer lab is led in circulation | |
| CN102561749A (en) | Energy-saving type integrated communication base station room | |
| CN101922253A (en) | Intelligent thermal-insulating energy-saving communication machine room | |
| CN202303758U (en) | Green building energy-saving equipment that ventilates | |
| CN205530969U (en) | Energy -concerving and environment -protective type wallboard and computer lab | |
| CN203586432U (en) | Energy recovery air handling unit | |
| CN203586435U (en) | Energy recovery air handling unit | |
| CN101446436B (en) | Method for regulating temperature of computer room by packaged air conditioner and computer room structure | |
| CN201554246U (en) | Natural heat dissipation structure of machine room | |
| CN206539079U (en) | One kind energy-conservation communication base station room | |
| CN106522424A (en) | Startup controllable photovoltaic ventilation sun-shading system | |
| CN201193859Y (en) | Heat exchange system for machine room | |
| CN103759363A (en) | Evaporative cooling air conditioner system combining passive cooling and heating | |
| CN206593220U (en) | A kind of new blower fan of heat exchange window | |
| CN201957385U (en) | Directly ventilated and heat-dissipated outdoor equipment cabinet | |
| CN202616370U (en) | Battery box | |
| CN105239679A (en) | Energy storage self-regulation type building outer wall structure | |
| CN201513999U (en) | Energy-saving environment protective ventilation system | |
| CN201639906U (en) | Natural cold energy heat exchange device used for communication base station | |
| CN204960177U (en) | Open controllable type photovoltaic ventilation solar shading system | |
| CN201118127Y (en) | Assembled outdoor substation box body | |
| CN2911149Y (en) | Window with energy saving ventilating window | |
| CN203660348U (en) | Resource-saving type natural ventilation power distribution room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20160804 |