CN205014651U - Day by day, tracking control system of slot type beam condensing unit - Google Patents
Day by day, tracking control system of slot type beam condensing unit Download PDFInfo
- Publication number
- CN205014651U CN205014651U CN201520752990.4U CN201520752990U CN205014651U CN 205014651 U CN205014651 U CN 205014651U CN 201520752990 U CN201520752990 U CN 201520752990U CN 205014651 U CN205014651 U CN 205014651U
- Authority
- CN
- China
- Prior art keywords
- day
- unit
- solar trough
- concentrating system
- trough concentrating
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a day by day, tracking control system of slot type beam condensing unit in solar energy light and heat power station, control system sets up in the middle part of left and right equivalent slot type beam condensing unit with its oil pressure drive unit, and is single cylinder single armed structure for its leading features, and it is reasonable, easy and simple to handle feasible to have a structure arrangement, and the slot type beam condensing unit rotates the characteristics such as accurate that target in place.
Description
Technical field
The utility model relates to a kind of tracking control system day by day of solar trough concentrating system of solar energy thermo-power station, belongs to solar electrical energy generation equipment technology.
Background technology
Day by day the tracking control system of the solar trough concentrating system of the solar energy thermo-power station involved by the utility model, for solar energy power plant, groove type solar beam condensing unit is followed the tracks of day by day, make groove type solar beam condensing unit, from morning to night remain best angle of incidence of sunlight, thus effectively improve the collecting efficiency of solar trough concentrating system.
And groove type solar beam condensing unit, be slot type glass reflector beam condensing unit.In the length direction both sides of described speculum beam condensing unit support, be provided with the rotating shaft being used for supporting described speculum beam condensing unit be fixedly connected with described support.And described rotating shaft and supporting seat are rotationally connected.Under operating mode, by tracing control unit day by day by drive unit (electronic or oily dynamic) drive shaft, the tracking day by day implementing solar trough concentrating system is rotated, and the solar energy heat-collection field of a large-scale groove type solar power station, be furnished with ten hundreds of solar-energy light collectors.Carry out to make described solar trough concentrating system and follow the tracks of day by day.In prior art, be all generally that coaxial for multiple solar trough concentrating system arranged in series is become several ranks, then realize 1 day by day tracking control system tracing control is day by day carried out to 1 row solar trough concentrating system.
This control structure mode of prior art, it is the one end (left end or right-hand member) driven unit being arranged in the solar trough concentrating system of embarking on journey of connecting, and its driven unit is two cylinder component and is symmetrically arranged along solar trough concentrating system shaft centerline, by being connected respectively of 2 swing arms being fixedly connected with solar trough concentrating system rotating shaft, driving and followed the tracks of day by day by several solar trough concentrating system solar trough concentrating system of embarking on journey of connecting.
Under operating mode, there is many deficiencies in the control structure of this prior art, select its important deficiency to have: one is because driven unit is arranged in the one end of solar trough concentrating system of connecting and embarking on journey, and every a line generally has 12 solar trough concentrating system, total length is about 150m, this just brings enough large moment of torsion to driven unit, and requires that driven unit will have corresponding large driving power; Say, solar trough concentrating system itself also must possess the ability of corresponding large transmitting torque again, but the support of solar trough concentrating system is generally the non-integral property rigid structural member be made up of shaped steel.This just can cause deformation and damage to solar trough concentrating system far and away, and directly has a strong impact on its use safety and service life.Two is its driven units is 2 cylinder components be arranged symmetrically with about the rotating shaft being located at beam condensing unit.Due to its installation accuracy, the fit tolerance of cylinder component, the factors such as asymmetric inharmonious with the control action of the oil-feed and oil extraction that are used for carrying out under control 2 cylinder component operating modes one rise and one drop, and directly had a strong impact on the precision of solar trough concentrating system tracing control day by day, thus can the collecting efficiency of direct reduction solar trough concentrating system.
And the deficiency of the above prior art, be all caused by the structural deficiency of prior art.
Utility model content
The purpose of this utility model is to provide a kind of rational in infrastructure, and the tracking control system day by day following the tracks of the solar trough concentrating system of solar energy thermo-power station accurately day by day of type of drive advanced person, to overcome the deficiency of prior art.
The technical tactic that the utility model realizes its first object is, one is middle part driver element being arranged in often row solar trough concentrating system, and the quantity being positioned at the solar trough concentrating system of driven unit both sides is equal, thus formation is arranged symmetrically with structure; Two is that described driver element changes into by 1 driven unit enforcement single armed drives structure, to avoid the mutual wrongful interference because Dual Drive assembly produces by 2; Three is on the basis of above 2 structural improvement, increases oil pressure damper assembly to improve the stability that solar trough concentrating system follows the tracks of transposition day by day.Thus realize the purpose of this utility model.
Based on the above technical though, the technical scheme that the utility model realizes its object is:
A tracking control system day by day for the solar trough concentrating system of solar energy thermo-power station, comprises Sensor monitoring unit, communication unit, day by day tracing control unit, the oil pressure actuated unit comprising drive motors and accumulator and solar trough concentrating system; Described Sensor monitoring unit, communication unit, day by day tracing control unit are connected with oil pressure actuated unit successively telecommunications; Under operating mode:
Obliquity sensor included by described Sensor monitoring unit is arranged on the support of solar trough concentrating system, and the real-time angular of Real-time Obtaining beam condensing unit; Also comprise GPS unit, in order to obtain in ground location parameter and to carry out satellite time transfer to system;
The geographical location information monitored by Sensor monitoring unit by described communication unit and system real-time time parameter transmission give tracing control unit day by day, day by day the astronomical formula that tracing control unit is then built-in according to it, derives described solar trough concentrating system and follows the tracks of the angle on target parameter that the sun should rotate arrival day by day;
Real-time angular parameter that is that the described unit of tracing control day by day monitors Sensor monitoring unit and solar trough concentrating system, to solar trough concentrating system in real time should angle on target parameter compare after generate corresponding control instruction, and by oil pressure actuated unit, solar trough concentrating system is rotated to current target angular position;
And its:
A, described oil pressure actuated unit is single cylinder single arm structure, one end and the fixed object of the oil hydraulic cylinder driven unit included by it are hinged, and the piston rod of oil hydraulic cylinder driven unit and swing arm one end are hinged, and the other end of swing arm is fixedly connected with the turning cylinder of solar trough concentrating system; And oil hydraulic cylinder driven unit accept tracing control unit controls day by day to oil drain solenoid valve;
B, described solar trough concentrating system is at least 2, and at least 2 solar trough concentrating system are coaxially connected by its turning cylinder and embarked on journey, and described oil pressure actuated cell layout is in the centre position of left and right equivalent solar trough concentrating system, and is controlled one to one its implementation by the described unit of tracing control day by day.
By above given purport technical scheme, can understand in conjunction with technical though of the present utility model, the utility model achieves its object that will realize.
In technique scheme, the utility model is also advocated:
Also comprise the oil pressure damper assembly making solar trough concentrating system follow the tracks of day by day after fine rotational puts in place can not producing drift, one end and the fixed object of the oil pressure damped cylinder assembly included by it are hinged, and the piston rod of oil pressure damped cylinder and damper rod one end are hinged, and the other end of damper rod is fixedly connected with the turning cylinder of solar trough concentrating system, to improve the stability of solar trough concentrating system transposition action day by day further.And the version of described oil pressure damped cylinder assembly, be analogous to the Pneumatic assembly for starting lifting seat, but oil pressure damped cylinder assembly is provided with manual switch valve.
Described Sensor monitoring unit, also comprise by flow, pressure, the temperature of respective sensor to heat-conducting medium in solar trough concentrating system thermal-collecting tube, the voltage of the filter differential pressure of oil pressure actuated unit and oil tank liquid level and oil pressure actuated unit motor, the monitoring of current parameters, and these described parameters are supplied to day by day tracing control unit as mode of operation selection and transmission warning message by communication unit.
Described oil pressure actuated unit, by switching solenoid valve, realizes two kinds of operational modes: a kind of is high accuracy operational mode, and its operation precision is 0.05 °, and another kind is normal operation mode, and its operation precision is 0.1 °.
In described oil pressure actuated unit pipe-line system, the abnormal protection device and differential pressure pickup that accept tracing control unit controls day by day are also installed; Under operating mode, if when being in abnormal operating state, the described unit of tracing control day by day sends the work of instruction turbine shutdown oil pressure driver element, sends alarm signal simultaneously; If when the pressure reduction of oil pressure actuated unit pipe-line system is greater than the process value of setting, then sends the work of instruction turbine shutdown oil pressure driver element by tracing control unit day by day, and send pipeline blockage alarm signal simultaneously.
Also comprise information data storing center, described information data storing center is connected with communication unit telecommunication; By corresponding sensor collection to real time information data, while be transferred to day by day tracing control unit via communication unit, be transferred to information data storing center.
Described information data storing center also comprises wireless communication module; Under operating mode, implement remote monitoring by wireless communication module
After technique scheme is implemented in full, rationally, it is apparent for following the tracks of the feature such as stable, tracking effect is good precisely, day by day day by day for the structure of the tracking control system day by day of described solar trough concentrating system of the present utility model and configuration.
Accompanying drawing explanation
Fig. 1 is the structural representation of tracking control system day by day described in the utility model;
Fig. 2 is driver element 4 and oil pressure damper assembly 9 view simple with the attaching relation of solar trough concentrating system 5.
Detailed description of the invention
Below contrast accompanying drawing to be further described utility model, but be not limited thereto.
Embodiment 1, as shown in accompanying drawing 1,2.
A tracking control system day by day for the solar trough concentrating system of solar energy thermo-power station, comprises Sensor monitoring unit 1, communication unit 2, day by day tracing control unit 3, the oil pressure actuated unit 4 comprising drive motors and accumulator and solar trough concentrating system; Described Sensor monitoring unit 1, communication unit 2, day by day tracing control unit 3 are connected with oil pressure actuated unit 4 successively telecommunications; Under operating mode:
Obliquity sensor 1-1 included by described Sensor monitoring unit 1 is arranged on the support of solar trough concentrating system 5, and the real-time angular of Real-time Obtaining beam condensing unit 5; Also comprise GPS unit 10, in order to obtain in ground location parameter and to carry out satellite time transfer to system;
The geographical location information monitored by Sensor monitoring unit 1 by described communication unit 2 and system real-time time parameter transmission give tracing control unit 3 day by day, day by day the astronomical formula that tracing control unit 3 is built-in according to it, derives described solar trough concentrating system 5 and follows the tracks of the angle on target parameter that the sun should rotate arrival day by day;
Real-time angular parameter that is that the described unit of tracing control day by day 3 pairs of Sensor monitoring unit 1 monitor and solar trough concentrating system 5, to solar trough concentrating system 5 in real time should angle on target parameter compare after generate corresponding control instruction, and by oil pressure actuated unit 4, solar trough concentrating system 5 is rotated to current target angular position;
And its:
A, described oil pressure actuated unit 4 is in single cylinder single arm structure, one end and the fixed object 4-2 of the oil hydraulic cylinder driven unit 4-1 included by it are hinged, and the piston rod 4-1-1 of oil hydraulic cylinder driven unit 4-1 and swing arm 4-2 one end are hinged, the other end of swing arm 4-2 is fixedly connected with the turning cylinder 5-1 of solar trough concentrating system 5; And the oil drain solenoid valve 4-1-2 that gives of oil hydraulic cylinder driven unit 4-1 accepts tracing control unit 3 day by day and controls;
B, described solar trough concentrating system 5 has 12, and 12 solar trough concentrating system 5 are coaxially connected by its turning cylinder 5-1 and embarked on journey, and described oil pressure actuated unit 4 is arranged in the centre position of left and right equivalent solar trough concentrating system 5, and is controlled one to one its implementation by the described unit of tracing control day by day 3.
And its, also comprise the oil pressure damper assembly 9 making solar trough concentrating system follow the tracks of accurate transposition day by day, one end and the fixed object 9-2 of the oil pressure damped cylinder assembly 9-1 included by it are hinged, and the piston rod 9-1-1 of oil pressure damped cylinder 9-1 and damper rod 9-3 one end are hinged, and the other end of damper rod 9-3 is fixedly connected with the turning cylinder 5-1 of solar trough concentrating system 5.
And its, described Sensor monitoring unit 1, also comprise by flow, pressure, the temperature of respective sensor to heat-conducting medium in solar trough concentrating system 5 thermal-collecting tube, the voltage of the filter differential pressure of oil pressure actuated unit 4 and oil tank liquid level and oil pressure actuated unit 4 motor 4-4, the monitoring of current parameters, and these described parameters are supplied to day by day tracing control unit 3 as mode of operation selection and transmission warning message by communication unit 2.
And its, described Sensor monitoring unit 1, also comprise by flow, pressure, the temperature of respective sensor to heat-conducting medium in solar trough concentrating system 5 thermal-collecting tube, the voltage of the filter differential pressure of oil pressure actuated unit 4 and oil tank liquid level and oil pressure actuated unit 4 motor 4-4, the monitoring of current parameters, and these described parameters are supplied to day by day tracing control unit 3 as mode of operation selection and transmission warning message by communication unit 2.
Described oil pressure actuated unit 4, by switching solenoid valve, realizes two kinds of operational modes: a kind of is high accuracy operational mode, and its operation precision is 0.05 °, and another kind is normal operation mode, and its operation precision is 0.1 °.
And the abnormal protection device 6 and differential pressure pickup 7 that accept day by day tracing control unit 3 control are also installed in oil pressure actuated unit 4 pipe-line system described in it; Under operating mode, if when being in abnormal operating state, the described unit of tracing control day by day 3 sends instruction turbine shutdown oil pressure driver element 4 and works, and sends alarm signal simultaneously; If when the pressure reduction of oil pressure actuated unit 4 pipe-line system is greater than the process value of setting, then sends instruction turbine shutdown oil pressure driver element 4 by tracing control unit 3 day by day and work, and send pipeline blockage alarm signal simultaneously.
And it also comprises information data storing center 7, described information data storing center 7 is connected with communication unit 2 telecommunication; By corresponding sensor collection to real time information data, while being transferred to day by day tracing control unit 3 via communication unit 2, be transferred to information data storing center.
And information data storing center 7 described in it also comprises wireless communication module 8; Under operating mode, implement remote monitoring by wireless communication module 8.
The utility model tracking control system day by day as described embodiments, effect acquired in concrete trial run, makes us being satisfied with very much, achieves good control effects.
Claims (7)
1. a tracking control system day by day for solar trough concentrating system, comprises Sensor monitoring unit (1), communication unit (2), day by day tracing control unit (3), the oil pressure actuated unit (4) comprising drive motors and accumulator and solar trough concentrating system (5); Described Sensor monitoring unit (1), communication unit (2), day by day tracing control unit (3) are connected with oil pressure actuated unit (4) successively telecommunications; Under operating mode:
Obliquity sensor (1-1) included by described Sensor monitoring unit (1) is arranged on the support of solar trough concentrating system (5), and the real-time angular of Real-time Obtaining solar trough concentrating system (5); Also comprise GPS unit (10), in order to obtain geo-location parameter and to carry out satellite time transfer to system;
The geographical location information monitored by Sensor monitoring unit (1) by described communication unit (2) and system real-time time parameter transmission give tracing control unit (3) day by day, day by day the astronomical formula that tracing control unit (3) is then built-in according to it, derives described solar trough concentrating system (5) and follows the tracks of the angle on target parameter that the sun should rotate arrival day by day;
The described unit of tracing control day by day (3) Sensor monitoring unit (1) is monitored with the real-time angular parameter of solar trough concentrating system (5), with solar trough concentrating system (5) in real time institute should angle on target parameter compare after generate corresponding control instruction, and pass through oil pressure actuated unit (4) solar trough concentrating system (5) rotated to current target angular position;
It is characterized in that:
A, described oil pressure actuated unit (4) is in single cylinder single arm structure, one end and the fixed object (4-2) of the oil hydraulic cylinder driven unit (4-1) included by it are hinged, and the piston rod (4-1-1) of oil hydraulic cylinder driven unit (4-1) and swing arm (4-2) one end are hinged, the other end of swing arm (4-2) is fixedly connected with the turning cylinder (5-1) of solar trough concentrating system (5); And the oil drain solenoid valve (4-1-2) of giving of oil hydraulic cylinder driven unit (4-1) accepts day by day tracing control unit (3) control;
B, described solar trough concentrating system (5) is at least 2, and at least 2 solar trough concentrating system (5) are embarked on journey by the coaxial series connection of its turning cylinder (5-1), and described oil pressure actuated unit (4) is arranged in the centre position of left and right equivalent solar trough concentrating system (5), and by the described unit of tracing control day by day (3), its implementation is controlled one to one.
2. the tracking control system day by day of solar trough concentrating system as claimed in claim 1, it is characterized in that, also comprise the oil pressure damper assembly (9) making solar trough concentrating system follow the tracks of accurate transposition day by day, one end and the fixed object (9-2) of the oil pressure damped cylinder assembly (9-1) included by it are hinged, and the piston rod (9-1-1) of oil pressure damped cylinder assembly (9-1) and damper rod (9-3) one end are hinged, and the other end of damper rod (9-3) is fixedly connected with the turning cylinder (5-1) of solar trough concentrating system (5).
3. the tracking control system day by day of solar trough concentrating system as claimed in claim 1, it is characterized in that, described Sensor monitoring unit (1), also comprise by the flow of respective sensor to heat-conducting medium in solar trough concentrating system (5) thermal-collecting tube, pressure, temperature, the voltage of the filter differential pressure of oil pressure actuated unit (4) and oil tank liquid level and oil pressure actuated unit (4) motor (4-4), the monitoring of current parameters, and these described parameters are supplied to day by day tracing control unit (3) by communication unit (2), select as mode of operation and send warning message.
4. the tracking control system day by day of solar trough concentrating system as claimed in claim 1, it is characterized in that, described oil pressure actuated unit (4), pass through switching solenoid valve, realize two kinds of operational modes: a kind of is high accuracy operational mode, its operation precision is 0.05 °, and another kind is normal operation mode, and its operation precision is 0.1 °.
5. the tracking control system day by day of solar trough concentrating system as claimed in claim 4, it is characterized in that, be also provided with in described oil pressure actuated unit (4) pipe-line system and accept day by day abnormal protection device (6) that tracing control unit (3) controls and differential pressure pickup (7); Under operating mode, if when being in abnormal operating state, the described unit of tracing control day by day (3) sends instruction turbine shutdown oil pressure driver element (4) work, sends alarm signal simultaneously; If when the pressure reduction of oil pressure actuated unit (4) pipe-line system is greater than the process value of setting, then sends instruction turbine shutdown oil pressure driver element (4) by tracing control unit (3) day by day and work, and send pipeline blockage alarm signal simultaneously.
6. the tracking control system day by day of the solar trough concentrating system as described in one of claim 1 to 5, is characterized in that, also comprises information data storing center (7), and described information data storing center (7) is connected with communication unit (2) telecommunication; By corresponding sensor collection to real time information data, while being transferred to day by day tracing control unit (3) via communication unit (2), be transferred to information data storing center.
7. the tracking control system day by day of solar trough concentrating system as claimed in claim 6, it is characterized in that, described information data storing center (7) also comprises wireless communication module (8); Under operating mode, implement remote monitoring by wireless communication module (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752990.4U CN205014651U (en) | 2015-09-25 | 2015-09-25 | Day by day, tracking control system of slot type beam condensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752990.4U CN205014651U (en) | 2015-09-25 | 2015-09-25 | Day by day, tracking control system of slot type beam condensing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205014651U true CN205014651U (en) | 2016-02-03 |
Family
ID=55213249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520752990.4U Withdrawn - After Issue CN205014651U (en) | 2015-09-25 | 2015-09-25 | Day by day, tracking control system of slot type beam condensing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205014651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091370A (en) * | 2015-09-25 | 2015-11-25 | 常州龙腾太阳能热电设备有限公司 | Day-by-day track control system and method of groove type light gathering devices |
-
2015
- 2015-09-25 CN CN201520752990.4U patent/CN205014651U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091370A (en) * | 2015-09-25 | 2015-11-25 | 常州龙腾太阳能热电设备有限公司 | Day-by-day track control system and method of groove type light gathering devices |
| CN105091370B (en) * | 2015-09-25 | 2017-03-29 | 常州龙腾光热科技股份有限公司 | Day by day the tracking control system of solar trough concentrating system and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101881973B (en) | Active sun tracker | |
| CN102566588A (en) | Sun follow up device | |
| CN101236287A (en) | Heliostat device | |
| CN105471377A (en) | Horizontal single axis sun-tracking support apparatus | |
| CN107171619B (en) | Multifunctional power generation system | |
| CN102867878A (en) | Combined heat and power generation photovoltaic photo-thermal component, combined heat and power generation system and photovoltaic power station | |
| CN102441541B (en) | Solar panel array surface dust removal system and method | |
| CN201950048U (en) | System for automatically dedusting solar cell plate array by utilizing high-pressure airflow | |
| CN105091370B (en) | Day by day the tracking control system of solar trough concentrating system and its control method | |
| CN104571139B (en) | Heliostat field wireless control system | |
| CN205014651U (en) | Day by day, tracking control system of slot type beam condensing unit | |
| CN103019220A (en) | Heliostat zone control system for tower solar thermal plants | |
| CN203070112U (en) | Solar cell panel tracking system | |
| CN101777856B (en) | Photovoltaic tracking device using photosensitive difference and network-based monitoring method | |
| CN107255988B (en) | Intelligent urban heating monitoring system | |
| CN102155365B (en) | Hot-sand-heat-accumulating solar disc type Stirling engine generating set and method thereof | |
| CN201290078Y (en) | Component for tracking sun of solar photovoltaic battery array | |
| CN101576320B (en) | Solar power generation universal optical collector | |
| CN201467017U (en) | Solar power generation universal optical collector | |
| CN203366128U (en) | Solar energy collection transmitter capable of automatically tracking the sun | |
| CN202494930U (en) | Sun tracking system of trough type solar energy collecting device | |
| CN205316718U (en) | A control system that is used for slot type solar thermal energy electricity generation thermal -arrest field | |
| CN102466506A (en) | Intelligent water level remote sensing system | |
| CN102721204A (en) | Hydraulic driving device and driving method used for trench type heat collecting system | |
| CN212749632U (en) | Solar tracking control system with wind speed protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 Changzhou Province, Wujin District, the town of cattle, the town of rainbow road, No. 26 Patentee after: ROYAL TECH CSP LIMITED Address before: 213000 Changzhou Province, Wujin District, the town of cattle, the town of rainbow road, No. 26 Patentee before: Changzhou Longteng Solar Energy Heating Equipment Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160203 Effective date of abandoning: 20170329 |
|
| AV01 | Patent right actively abandoned |