CN103185368B - A kind of solar water concentrates the system and method for collection heat separating user accumulation of heat orientation heat exchange - Google Patents
A kind of solar water concentrates the system and method for collection heat separating user accumulation of heat orientation heat exchange Download PDFInfo
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- CN103185368B CN103185368B CN201110443066.4A CN201110443066A CN103185368B CN 103185368 B CN103185368 B CN 103185368B CN 201110443066 A CN201110443066 A CN 201110443066A CN 103185368 B CN103185368 B CN 103185368B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000009825 accumulation Methods 0.000 title claims abstract description 29
- 239000012141 concentrate Substances 0.000 title claims abstract description 20
- 238000005338 heat storage Methods 0.000 claims abstract description 50
- 230000005520 electrodynamics Effects 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000003139 buffering Effects 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005303 weighing Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 206010018987 Haemorrhage Diseases 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- 230000000740 bleeding Effects 0.000 description 2
- 231100000319 bleeding Toxicity 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010043431 Thinking abnormal Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
Abstract
The invention discloses a kind of solar water and concentrate the system and method for collection heat separating user accumulation of heat orientation heat exchange, including being located at the solar thermal collector of roof, buffer tank and master controller, the heat storage water tank also including being located at each user and indoor controller, point circulation line of the heat storage water tank of each user is respectively equipped with electrodynamic valve.The temperature sensor of the temperature sensor on the top of solar thermal collector and the temperature sensor of bottom and buffer tank is connected with master controller respectively, and the electromagnetic valve in the temperature sensor of heat storage water tank and point circulation line is connected with indoor controller respectively.Indoor controller jointly controls with master controller, takes the temperature rise staged heat exchange such as forward, the problem that can thoroughly solve reverse heat exchange, vertical direction weighing apparatus uneven in temperature can be prevented, distribute to each family by what solar heat equalized, and prevent water tank overtemperature, simple in construction, practicality, low cost.System controller is connected to remote monitoring center, it is simple to estate management.
Description
Technical field
The present invention relates to the system of a kind of solar water heat exchange, particularly relate to a kind of solar water and concentrate collection heat separating user
The system and method for accumulation of heat orientation heat exchange.Belong to solar energy heat utilization field.
Background technology
At present, solar thermal utilization industry is developed rapidly, especially the solar thermal utilization in city, possesses wide
Prospect.In the case of the price of conventional energy resource improves further, middle-high building uses solar energy to come as the hot water energy
Source mainly for answering form, gradually come into one's own.
In prior art, occur in that multiple solution party at solar thermal utilization product in different Integration of building technology
Case, substantially can be to be divided into four kinds of forms:
The first form is mainly the method that separate unit water heater is installed on roof.The advantage of this mode is distinct property right,
Respectively with each water power, shortcoming is that the damage of estate management difficulty and the installation of roof repeatedly different people is more, the hot water that user uses
Pressure and cold water pressure do not mate.
The second form is to install the balcony type solar water heater of south elevation.Existing problems are due to the policy of saving the area
Maximizing with real estate merchant's profit-push, there is the sunshine time lower limit of 2 hours, middle-high building in current China building in design
Spacing be compressed to can not be the least stage.So that the balcony of many buildings, sufficient sunshine can not be obtained, do not have
The standard sunshine more than six hours, balcony type system solar insuring rate is had to be greatly reduced.
The third mode is that hot water engineering is installed on roof concentratedly, it is achieved household metering.The shortcoming existed is mainly manifested in room
The hot water of the supply of the cold water source on top and upper property each household the to be decomposed user of metering uses, and the expense of electricity auxiliary heating needs
Decomposing each family, if the hot water of supply user uses 24 hours systems, substantial amounts of (more than 15% is average) energy dissipation is at pipe
In the circulation of well, basic supplying hot water saving of the many time periods operation energy that uses, also the structure load-bearing of high level roof tank to be examined
Consider and redesign.Maximum problem occurs when the price of charging is irrational, and customer group reduces to be run into raising system
This.
4th kind of mode is thermal-arrest in set roof, household water tank, point family heat exchange engineering.The solar energy system of this mode is
The third mode develops and deepens, but technology development at present is the most immature, there is the user of reverse heat exchange, different layers
The hot problem such as unbalanced, price is the most expensive.
Summary of the invention
It is an object of the invention to provide and a kind of can prevent reverse heat exchange, equilibrium assignment solar heat, the sun of low cost
Collection heat separating user accumulation of heat can be concentrated to orient the system and method for heat exchange by hot water.
It is an object of the invention to be achieved through the following technical solutions:
The solar water of the present invention concentrates the system of collection heat separating user accumulation of heat orientation heat exchange, including the solar energy being located at roof
Heat collector, buffer tank and master controller, the heat storage water tank also including being located at each user and indoor controller；
Circulation line between described solar thermal collector and buffer tank is provided with the first circulating pump, described buffer tank
And the major cycle pipeline between the heat storage water tank of user is provided with the second circulating pump, and described major cycle pipeline is with each user's
It is respectively equipped with electrodynamic valve on point circulation line between heat storage water tank, in described heat storage water tank, is provided with heat exchange coil；
The temperature sensor on the top of described solar thermal collector and the temperature sensor of bottom and described buffer tank
Thermometer is connected with described master controller respectively；
Described first circulating pump and the second circulating pump are connected with described master controller respectively；
Electromagnetic valve in the temperature sensor of heat storage water tank described in electrodynamic valve and described point of circulation line respectively with described family
Internal controller connects；
Described indoor controller is connected with described master controller.
The above-mentioned solar water of the present invention concentrates the system of collection heat separating user accumulation of heat orientation heat exchange to realize solar water
The method concentrating collection heat separating user accumulation of heat orientation heat exchange, including step:
First, master controller gathers the temperature bottom the temperature at solar thermal collector top, solar thermal collector and buffering
Water tank temperature, and compare the head temperature of solar thermal collector and the difference of buffer tank temperature, when this difference is more than or equal to
During the threshold value set, start the first circulating pump, in the energy storage that solar thermal collector is gathered to buffer tank；
Then, carry out heat exchange between main controller controls buffer tank and the heat storage water tank of user, take the temperature rises such as forward
Staged heat exchange；
The temperature rise staged heat exchange such as described forward include:
Starting the second circulating pump, first buffer tank and carries out heat exchange, when first between the heat storage water tank of ground floor user
The heat storage water tank temperature of layer user raises after setting the temperature difference (a degree), closes the electrodynamic valve that ground floor user is corresponding, then to next
Layer user heats identical temperature rise.Successively to all layer user's heat exchange, take turns after heating completes until one, the most all with increasing per family
Identical temperature, it is ensured that what solar heat was equalized is allocated to all of user.Now, return again to ground floor, continue
Second takes turns heating, the most repeatedly.
As seen from the above technical solution provided by the invention, the solar water that the present invention provides concentrates collection heat separating user
The system and method for accumulation of heat orientation heat exchange.Realize too owing to controlling circulating pump, electrodynamic valve etc. by master controller, customer controller
The heat exchange between accumulation of heat and buffer tank and the heat storage water tank of user between sun energy heat collector and buffer tank, and control to take
The temperature rise staged heat exchange such as forward.The problem that can thoroughly solve reverse heat exchange, can prevent vertical direction weighing apparatus uneven in temperature, will too
Sun can heat balance distribute to each family, and prevent water tank overtemperature, simple in construction, practicality, low cost.
Accompanying drawing explanation
Fig. 1 concentrates the system signal of collection heat separating user accumulation of heat orientation heat exchange for the solar water that the embodiment of the present invention provides
Figure.
In figure: 1, solar thermal collector, 2, indoor controller, 3, heat storage water tank, 4, electrodynamic valve, 5, remote monitoring center,
6, master controller, 7, buffer tank, 8, major cycle pipeline, 9, heat exchange coil, 10, auxiliary electrical heater.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail.
The solar water of the present invention concentrates the system of collection heat separating user accumulation of heat orientation heat exchange, its preferably detailed description of the invention
It is:
Including being located at the solar thermal collector of roof, buffer tank and master controller, also include being located at each user's
Heat storage water tank and indoor controller；
Circulation line between described solar thermal collector and buffer tank is provided with the first circulating pump, described buffer tank
And the major cycle pipeline between the heat storage water tank of user is provided with the second circulating pump, and described major cycle pipeline is with each user's
It is respectively equipped with electrodynamic valve on point circulation line between heat storage water tank, in described heat storage water tank, is provided with heat exchange coil；
The temperature sensor on the top of described solar thermal collector and the temperature sensor of bottom and described buffer tank
Temperature sensor is connected with described master controller respectively；
Described first circulating pump and the second circulating pump are connected with described master controller respectively；
Electromagnetic valve in the temperature sensor of described heat storage water tank and described point of circulation line respectively with described indoor control
Device connects；
Described indoor controller is connected with described master controller.
Being provided with auxiliary electrical heater in described heat storage water tank, described auxiliary electrical heater is connected with described indoor controller.
Described indoor controller and described master controller are connected with remote monitoring center respectively.
The above-mentioned solar water of the present invention concentrates the system of collection heat separating user accumulation of heat orientation heat exchange to realize solar water
The method concentrating collection heat separating user accumulation of heat orientation heat exchange, its preferably detailed description of the invention includes step:
First, master controller gathers the temperature bottom the temperature at solar thermal collector top, solar thermal collector and buffering
Water tank temperature, and compare the head temperature of solar thermal collector and the difference of buffer tank temperature, when this difference is more than or equal to
During the threshold value set, start the first circulating pump, in the energy storage that solar thermal collector is gathered to buffer tank；
Then, carry out heat exchange between main controller controls buffer tank and the heat storage water tank of user, take the temperature rises such as forward
Staged heat exchange；
The temperature rise staged heat exchange such as described forward include:
Starting the second circulating pump, first buffer tank and carries out heat exchange, when first between the heat storage water tank of ground floor user
The heat storage water tank temperature of layer multi-user raises after setting the temperature difference (a degree), closes the corresponding electrodynamic valve of ground floor user, then to next
Layer user heats identical temperature rise.Successively to all layer user's heat exchange, take turns after heating completes until one, the most all with increasing per family
Identical temperature, it is ensured that what solar heat was equalized is allocated to all of user.Now, return again to ground floor, continue
Second takes turns heating, the most repeatedly.
The condition starting described forward staged heat exchange is the temperature storage than each user of ground floor of described buffer tank
The temperature height b degree of boiler.
If the heat storage water tank temperature of the user in a layer is higher than c degree, the electrodynamic valve at this family cuts out, and stops heat exchange；
If the heat storage water tank temperature of all users in a layer is all higher than c degree, this layer stops heat exchange, under being directly switch to
One layer；
When the hot water storage tank temperature of all layer users be all higher than c spend time, return ground floor, by every layer of once intensification a degree
Mode continues successively to heat；
When the hot water storage tank temperature of all layer users be all higher than d spend time, stop heat exchange；
Described a degree is 4-6 degree, and described b degree is 8-12 degree, and described c degree is 45-55 degree, and described d degree is 60-70 degree.
When the temperature of described buffer tank is spent less than 2-4 higher than the value of the temperature of user's heat storage water tank, master controller control
The electrodynamic valve making this family cuts out.
When the electrical heating of user starts, indoor controller controls the electrodynamic valve at this family and cuts out.
Specific embodiment, as shown in Figure 1:
At roof unified installation solar thermal collector 1, each user family installs the heat accumulation of a band heat exchange coil 9
Water tank 3, sets auxiliary electrical heater 10 in each heat storage water tank 3, the solar energy that solar thermal collector 1 absorbs is stored up by recuperated cycle
Existing in the buffer tank 7 of roof, the solar energy of absorption is stored in each by recuperated cycle by buffer tank 7 more uniformly
In the heat storage water tank 3 of user, supplemented by auxiliary electrical heater 10 if heat storage water tank 3 shortage of heat.
The mode of carrying out practically is:
Master controller 6 gathers temperature Tb bottom temperature Ta at solar thermal collector 1 top, solar thermal collector 1 and eases up
Waste preventer temperature Tc.The difference of master controller head temperature Ta Yu buffer tank temperature Tc by comparing solar thermal collector 1
During Ta-Tb ＞=X DEG C (X is the threshold value set), starting the first circulating pump, the energy storage that solar thermal collector 1 is gathered arrives
In buffer tank 7.Control to carry out between buffer tank 7 and user's heat storage water tank 3 heat exchange by master controller 6 again, take forward
Staged heat exchange.
The specific embodiment of forward staged heat exchange includes:
Start the second circulating pump, the buffer tank on roof 7 the most only with wherein 4 families (2～6 families can be set, suitable by floor
Sequence) heat exchange, after heat storage water tank 3 temperature of user raises 5 degree (adjustable), close the electrodynamic valve 4 at this 4 family, automatically switch to next
Layer, successively to all user's heat exchange (every time simultaneously the number of users of heat exchange is constant), takes turns after heating completes until one, returns ground floor,
Continue second and take turns heating, the most repeatedly.So can ensure that all users substantially can obtain identical energy.
The condition of startup forward heat exchange is that the temperature of roof buffer tank is higher than user's water tank temperature in 4 families in ground floor
10 degree (adjustable).If this layer wherein family heat storage water tank temperature is higher than 50 degree, this family electromagnetism (moving) valve cuts out, and stops heat exchange.
If all families temperature is all higher than 50 degree in this layer, it is directly switch to next layer.When all layer water tank temperatures are all higher than 50 degree,
Returning ground floor, the mode of 5 degree of once heating up by every layer continues successively to heat.When all water tank temperatures are higher than 65 degree, stop
Heat exchange.
When the temperature of roof buffer tank 7 is less than 3 degree (adjustable) higher than the temperature of user's heat storage water tank 3, pass through master control
Device 6 processed controls this family electrodynamic valve 4 and cuts out.When electrical heating starts, the hot water of user's water tank is prevented to be pulled away, by indoor control
Device 2 cuts out this family electrodynamic valve 4.
The beneficial effect that the present invention obtains:
The problem that can thoroughly solve reverse heat exchange: master controller 6 is by roof buffer tank 7 and user's heat storage water tank 3
The temperature difference control this family electrodynamic valve 4 and close；This family electrodynamic valve 4 is closed by indoor controller 2 when electrical heating starts.Prevent out
Now reversely heat exchange and the heat of user's heat storage water tank 3 is taken away.
Prevent vertical direction weighing apparatus uneven in temperature: by temperature gradient heat exchange (temperature rise is adjustable) such as each households, it is ensured that all users
Substantially obtain identical heat, it is to avoid heat exchange unbalanced problem.
Prevent water tank overtemperature: when utilizing solar heat-exchange heating heat storage water tank, when water tank temperature is higher than 65 degree, electrodynamic valve
Close, prevent water tank overtemperature.When utilizing electric heater heating heat storage water tank, when water tank temperature reaches design temperature (the highest 65 degree)
Time, electrical heating stops.There is overheat protector expansion valve on the electric heater of heat storage water tank simultaneously, water tank is carried out overheat protector.
Preventing freeze in winter measure is: temperature Tb bottom solar thermal collector 1 is less than starting water pump circulation time 5 degree (adjustable)
Antifreeze, when temperature Tb temperature is less than 3 degree, start electric-heating belt antifreeze.
System exhaust measure: owing to buffer tank designs on roof, circulation line is in full water state all the time, typically will not
Air is had to enter.Even if there being gas to produce, the air in circulation main line can be discharged by buffer tank；Each user
Heat storage water tank coil pipe upper outlet installs air bleeding valve.Cycle fluid enters from coil pipe outlet at bottom, and top exit flows out, if gas collection
If can be discharged by air bleeding valve.
Improve the measure of water temperature summer: owing to pipeline heat waste in summer is little, can many frequencys, different layers heat exchange or reduce heat exchange
Step temperature, circulates accumulation of heat as far as possible, reduces heat collector operating temperature, improves efficiency.
Teletransmission measure: each indoor controller gathers water tank temperature and electrodynamic valve and electrical heating state, is passed by 485 buses
Being passed to master controller, master controller is by radioing to property, it is achieved each household state and temperature seen from property data center, and
Storage and offer software analysis go out daily sheet.
Remotely control to realize each household electrodynamic valve, positive closing or open, the electrically heated positive closing of each household or open.
And the parameter that manually or automatically amendment master control and family are controlled.
Long distance control system can by user's water tank parameter and collection all parameters in hot-zone and state transfer to property.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be as the criterion.
Claims (7)
1. a solar water is concentrated the system of collection heat separating user accumulation of heat orientation heat exchange to realize solar water and is concentrated collection heat separating user
The method of accumulation of heat orientation heat exchange, it is characterised in that
This solar water concentrates the system of collection heat separating user accumulation of heat orientation heat exchange to include being located at the solar thermal collector of roof, buffering
Water tank and master controller, the heat storage water tank also including being located at each user and indoor controller；Described solar thermal collector with
Circulation line between buffer tank is provided with the first circulating pump, and the master between described buffer tank and the heat storage water tank of user follows
Endless tube road is provided with the second circulating pump, on point circulation line between described major cycle pipeline and the heat storage water tank of each user
It is respectively equipped with electrodynamic valve, in described heat storage water tank, is provided with heat exchange coil；The temperature sensor on the top of described solar thermal collector
Temperature sensor and the temperature sensor of described buffer tank with bottom are connected with described master controller respectively；Described first follows
Ring pump and the second circulating pump are connected with described master controller respectively；The temperature sensor of described heat storage water tank and described point of circulation pipe
Electrodynamic valve on road is connected with described indoor controller respectively；Described indoor controller is connected with described master controller；
This system realizes solar water and concentrates the method for collection heat separating user accumulation of heat orientation heat exchange to comprise the following steps:
First, master controller gathers the temperature bottom the temperature at solar thermal collector top, solar thermal collector and buffer tank
Temperature, and compare the head temperature of solar thermal collector and the difference of buffer tank temperature, when this difference is more than or equal to setting
Threshold value time, start the first circulating pump, the energy storage that solar thermal collector is gathered is in buffer tank；
Then, carry out heat exchange between main controller controls buffer tank and the heat storage water tank of user, take the temperature rise ladders such as forward
Formula heat exchange；
The temperature rise staged heat exchange such as described forward include:
Starting the second circulating pump, first buffer tank and carries out heat exchange between the heat storage water tank of ground floor user, when ground floor is used
After the heat storage water tank temperature at family raises a degree, close the electrodynamic valve that ground floor user is corresponding, then next layer of user is heated identical
Temperature rise；Successively to all layer user's heat exchange, take turns after heating completes until one, the most all with increasing identical temperature per family, protect
That has demonstrate,proved that solar heat equalized is allocated to all of user；Now, return again to ground floor, continue second and take turns heating, as
This is repeatedly.
Solar water the most according to claim 1 concentrates the method for collection heat separating user accumulation of heat orientation heat exchange, it is characterised in that
The condition starting the temperature rise staged heat exchange such as described forward is the temperature heat accumulation than each user of ground floor of described buffer tank
The temperature height b degree of water tank.
Solar water the most according to claim 2 concentrates the method for collection heat separating user accumulation of heat orientation heat exchange, it is characterised in that
If the heat storage water tank temperature at the family in a layer is higher than c degree, the electrodynamic valve at this family cuts out, and stops heat exchange；
If the heat storage water tank temperature of the multi-user in a layer is all higher than c degree, this layer stops heat exchange, is directly switch to next layer；
When the hot water storage tank temperature of all layer users be all higher than c spend time, return ground floor, by the mode of every layer of once intensification a degree
Continue successively to heat；
When the hot water storage tank temperature of all layer users be all higher than d spend time, stop heat exchange；
Described a degree is 3-20 degree, and described b degree is 8-12 degree, and described c degree is 45-55 degree, and described d degree is 60-70 degree.
Solar water the most according to claim 3 concentrates the method for collection heat separating user accumulation of heat orientation heat exchange, it is characterised in that
When the temperature of described buffer tank is less than 4 degree higher than the value of the temperature of user's heat storage water tank, the electricity at this family of main controller controls
Dynamic valve cuts out.
Solar water the most according to claim 4 concentrates the method for collection heat separating user accumulation of heat orientation heat exchange, it is characterised in that
When the electrical heating of user starts, indoor controller controls the electrodynamic valve at this family and cuts out.
Solar water the most according to any one of claim 1 to 5 concentrates the method for collection heat separating user accumulation of heat orientation heat exchange,
It is characterized in that, in described solar water concentrates the system of collection heat separating user accumulation of heat orientation heat exchange, set in described heat storage water tank
Auxiliary electrical heater, described auxiliary electrical heater is had to be connected with described indoor controller.
Solar water the most according to any one of claim 1 to 5 concentrates the method for collection heat separating user accumulation of heat orientation heat exchange,
It is characterized in that, described solar water concentrate collection heat separating user accumulation of heat orientation heat exchange system in, described indoor controller and
Described master controller is connected with remote monitoring center respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443066.4A CN103185368B (en) | 2011-12-27 | A kind of solar water concentrates the system and method for collection heat separating user accumulation of heat orientation heat exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443066.4A CN103185368B (en) | 2011-12-27 | A kind of solar water concentrates the system and method for collection heat separating user accumulation of heat orientation heat exchange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185368A CN103185368A (en) | 2013-07-03 |
| CN103185368B true CN103185368B (en) | 2016-12-14 |
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| CN201396836Y (en) * | 2009-02-11 | 2010-02-03 | 武汉领辉科技有限责任公司 | Household solar energy central heating device |
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| CN201748540U (en) * | 2010-09-17 | 2011-02-16 | 三河市桑宝金太阳新能源技术有限公司 | Solar heat accumulation system for concentrated heat collection and separate heat exchange |
| CN201772636U (en) * | 2010-02-08 | 2011-03-23 | 河海大学常州校区 | Solar central heating device for unit building |
| CN201926024U (en) * | 2011-01-14 | 2011-08-10 | 崔新明 | Pressure-bearing bi-water tank circulating solar hot water control system |
| CN202973338U (en) * | 2011-12-27 | 2013-06-05 | 廊坊创意博能源有限公司 | Solar hot-water central heating household-based heat-storage directional heat exchange system |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201396836Y (en) * | 2009-02-11 | 2010-02-03 | 武汉领辉科技有限责任公司 | Household solar energy central heating device |
| CN201772636U (en) * | 2010-02-08 | 2011-03-23 | 河海大学常州校区 | Solar central heating device for unit building |
| CN201706602U (en) * | 2010-07-02 | 2011-01-12 | 浙江世贸建筑科技研究院有限公司 | Intelligent master control system for centralized heat-collection and individual household heat-storage type solar water heating |
| CN201748540U (en) * | 2010-09-17 | 2011-02-16 | 三河市桑宝金太阳新能源技术有限公司 | Solar heat accumulation system for concentrated heat collection and separate heat exchange |
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Effective date of registration: 20180712 Address after: 213, 2nd Floor, No. 7 Fengxian Middle Road, Haidian District, Beijing 100089 Patentee after: Beijing creative Museum Technology Co., Ltd. Address before: 065201 Ou Sen Industrial Park, 10 Yan Chang Road, Sanhe Yanjiao Development Zone, Langfang, Hebei Patentee before: Langfang Chuangyibo Energy Co., Ltd. |
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Granted publication date: 20161214 Termination date: 20181227 |