CN203984341U - A kind of photovoltaic lightningproof direct current conflux case - Google Patents
A kind of photovoltaic lightningproof direct current conflux case Download PDFInfo
- Publication number
- CN203984341U CN203984341U CN201420382913.XU CN201420382913U CN203984341U CN 203984341 U CN203984341 U CN 203984341U CN 201420382913 U CN201420382913 U CN 201420382913U CN 203984341 U CN203984341 U CN 203984341U
- Authority
- CN
- China
- Prior art keywords
- copper bar
- interface
- out terminal
- direct current
- measurement
- 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.)
- Active
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
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model relates to a kind of photovoltaic combiner box, is specifically related to a kind of photovoltaic lightningproof direct current conflux case, the technical problem solving is: a kind of photovoltaic lightningproof direct current conflux case with different telecommunication modes, thorough and comprehensive lightning protection effect is provided, the technical scheme adopting is: comprising: casing, in casing, the first fuse is connected with anodal copper bar by electrical measurement plate, the second fuse is connected with negative pole copper bar, anodal copper bar is all connected with on-load switch by DC lightning prevention device with negative pole copper bar, on-load switch is connected with the lead-out terminal that confluxes, external power supply terminal is connected with the first miniature circuit breakers by lightning protection for power supply, the first miniature circuit breakers is connected with measurement and control unit, the RS485 PORT COM of measurement and control unit is connected with siganl thunder-proof device, the optical-fibre communications port of measurement and control unit is connected with fiber organizer, DC lightning prevention device, lightning protection for power supply and siganl thunder-proof device are all by grounding copper bar ground connection, the utility model is applicable to electric power system.
Description
Technical field
The utility model relates to a kind of photovoltaic combiner box, is specifically related to a kind of photovoltaic lightningproof direct current conflux case.
Background technology
The world today, along with becoming increasingly prosperous of human social activity, energy problem becomes one of topic of people's attention and worry gradually, and solar energy is as following main energy sources, received increasing concern, solar power generation has started application and development, arises at the historic moment in various large-sized photovoltaics power station; In solar power system, in order to reduce the connecting line between solar photovoltaic assembly array and other DC load or inverter and to facilitate inspection and maintenance, conventionally photovoltaic module some, that specification is identical is together in series, form photovoltaic tandem one by one, and then by several photovoltaic tandems access in parallel photovoltaic combiner box, the multi-channel DC of access in the header box Cheng Yilu that finally confluxes exports from header box, thereby support the use the photovoltaic generating system of complete with photovoltaic DC-to-AC converter, realized grid-connected with civil power.
Header box is as one of requisite electric unit in solar power system, usually be installed in open smooth place and the higher or lower occasion of ambient temperature, and header box is while being installed on open area, owing to there is no veil, very easily there is thunderbolt event, in order to prevent thunderbolt, the header box having has now installed lightning protection for power supply additional and DC lightning prevention device protects solar photovoltaic cell panel to exempt from the infringement of Lightning Over-voltage and switching overvoltage etc., but for the header box with communication function, only there is power lightning protection and DC lightning prevention function is also nowhere near, and when header box is worked in the higher occasion of ambient temperature, direct current in the header box now components and parts great majority that conflux are common components and parts, there is certain working temperature requirement, when working temperature is too high, the performance and used life of components and parts reduces greatly, very easily break down, even can affect the generating efficiency of whole photovoltaic plant, and when ambient temperature is lower, the header box having now can be in casing mounting temperature sensor and heater, by measurement and control unit, carry out the open and close of control heater, reach the operating ambient temperature of header box is controlled to an object in comparatively suitable scope, but because the remittance loop of header box is numerous, wiring between components and parts is loaded down with trivial details, more makes the adding of heater element that space is crowded, wiring cable is mixed and disorderly, and the live metal parts such as the various copper bars in header box now, cable joint are all outside exposed, bring great hidden danger to staff's personal safety, in addition, the communication channel of the header box with communication function is now mostly very single, and for having, the applications of different communication needs is very limited, and service efficiency is comparatively low.
Utility model content
The utility model overcomes the deficiency that prior art exists, technical problem to be solved is: a kind of photovoltaic lightningproof direct current conflux case is provided, this header box not only has different telecommunication modes to adapt to on-the-spot different communication need, but also has comparatively thorough and comprehensive lightning protection effect.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of photovoltaic lightningproof direct current conflux case, comprise: the casing with chamber door, in described casing, be provided with the first fuse, the second fuse, electrical measurement plate, anodal copper bar, negative pole copper bar, grounding copper bar, DC lightning prevention device, on-load switch and the lead-out terminal that confluxes, the leading-out terminal of described the first fuse is connected with the end of incoming cables of described anodal copper bar by described electrical measurement plate, the leading-out terminal of described the second fuse is connected with the end of incoming cables of described negative pole copper bar, the leading-out terminal of the leading-out terminal of described anodal copper bar and described negative pole copper bar is all connected with the end of incoming cables of described on-load switch by described DC lightning prevention device, the leading-out terminal of described on-load switch is connected with the end of incoming cables of the described lead-out terminal that confluxes, described DC lightning prevention device is by described grounding copper bar ground connection, in described casing, be also provided with external power supply terminal, lightning protection for power supply, the first miniature circuit breakers, measurement and control unit, siganl thunder-proof device and fiber organizer, the leading-out terminal of described external power supply terminal is connected with the end of incoming cables of described the first miniature circuit breakers by described lightning protection for power supply, the leading-out terminal of described the first miniature circuit breakers is connected with the power port of described measurement and control unit, the RS485 PORT COM of described measurement and control unit is connected with described siganl thunder-proof device, the optical-fibre communications port of described measurement and control unit is connected with the incoming line of described fiber organizer, described lightning protection for power supply and described siganl thunder-proof device are all by described grounding copper bar ground connection, the bottom of described casing is provided with direct current positive input interface, direct current negative input interface, power interface, ground interface, the positive output of confluxing interface, the negative output of confluxing interface, RS485 interface and optical fiber interface, described direct current positive input interface is connected with the end of incoming cables of described the first fuse, described direct current negative input interface is connected with the end of incoming cables of described the second fuse, described power interface is connected with the end of incoming cables of described external power supply terminal, described ground interface is connected with described grounding copper bar, the described positive output interface that confluxes is connected with the leading-out terminal of the described lead-out terminal that confluxes, described RS485 interface is connected with described siganl thunder-proof device, described optical fiber interface is connected with the line outlet of described fiber organizer.
In described casing, be also provided with the second miniature circuit breakers and heater, the end of incoming cables of described the second miniature circuit breakers is connected with the leading-out terminal of described external power supply terminal by described lightning protection for power supply, the leading-out terminal of described the second miniature circuit breakers is connected with the power end of described heater, the control end of described the second miniature circuit breakers is connected with the control end of described measurement and control unit, and in described measurement and control unit, integrated installation has temperature sense module; On described on-load switch, be provided with for hiding the terminal cap of exposed terminal, on described anodal copper bar and described negative pole copper bar, polymethyl methacrylate baffle plate be installed; All chips in described measurement and control unit and components and parts are technical grade chip and the components and parts with wide temperature range; The mounting means of described casing is wall-hanging installation.
The utility model compared with prior art has following beneficial effect:
1, in the utility model, measurement and control unit in header box not only has RS485 PORT COM, also there is optical-fibre communications port, RS485 PORT COM is connected with the RS485 interface of bottom half, optical-fibre communications port is connected with the optical fiber interface of bottom half, when needs carry out telecommunication, can select different communication channels to carry out transfer of data according to on-the-spot actual demand, applicability is extremely strong; When using RS485 to carry out communication, owing to being provided with siganl thunder-proof device between RS485 PORT COM and RS485 interface, therefore in the process of signal transmission, played lightning protection and put superpotential effect, this siganl thunder-proof device, in conjunction with lightning protection for power supply and DC lightning prevention device, has played thorough and comprehensive lightning protection effect to whole header box.
2, in the utility model, in header box casing, be provided with heater, when ambient temperature is lower, the heating of measurement and control unit control heater is worked header box in a comparatively suitable temperature environment, has improved operating efficiency; And for the sensing device of Real-Time Monitoring ambient temperature, abandoned traditional independent temperature sensor arranging, employing has smaller size smaller and is integrated in the temperature sense module of measurement and control unit inside, not only reduced box house wiring quantity, saved and taken up room, but also solved the problem that sensing device is subject to external environment influence and then reduces its service efficiency.
3, in the utility model, not only on anodal copper bar and negative pole copper bar, polymethyl methacrylate baffle plate is installed, but also on on-load switch, be provided with for hiding the terminal cap of exposed terminal, eliminated the potential safety hazard of equipment operation and maintenance, guaranteed staff's personal safety; In addition, all chips in measurement and control unit and components and parts are technical grade chip and the components and parts with wide temperature range, make so whole equipment in the higher occasion of ambient temperature, normally to work, the performance and used life of components and parts can not be affected, also be difficult for breaking down, ensured the generating efficiency of whole photovoltaic plant.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail;
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the polycrystalline substance schematic diagram of the chamber door of header box while closing;
Fig. 3 is the connection diagram of an optical fiber ring network of a plurality of header boxs compositions;
Fig. 4 is the optical cable connection diagram of each header box;
In figure: 1 is chamber door, 2 is casing, 3 is the first fuse, 4 is the second fuse, 5 is electrical measurement plate, 6 is anodal copper bar, 7 is negative pole copper bar, 8 is grounding copper bar, 9 is DC lightning prevention device, 10 is on-load switch, 11 is the lead-out terminal that confluxes, 12 is external power supply terminal, 13 is lightning protection for power supply, 14 is the first miniature circuit breakers, 15 is measurement and control unit, 16 is siganl thunder-proof device, 17 is fiber organizer, 18 is direct current positive input interface, 19 is direct current negative input interface, 20 is power interface, 21 is ground interface, 22 is the positive output interface that confluxes, 23 is the negative output interface that confluxes, 24 is RS485 interface, 25 is optical fiber interface, 26 is the second miniature circuit breakers, 27 is heater, 28 is terminal cap, 29 is polymethyl methacrylate baffle plate.
Embodiment
As shown in Figure 1, a kind of photovoltaic lightningproof direct current conflux case, comprise: the casing 2 with chamber door 1, in described casing 2, be provided with the first fuse 3, the second fuse 4, electrical measurement plate 5, anodal copper bar 6, negative pole copper bar 7, grounding copper bar 8, DC lightning prevention device 9, on-load switch 10 and the lead-out terminal 11 that confluxes, the leading-out terminal of described the first fuse 3 is connected with the end of incoming cables of described anodal copper bar 6 by described electrical measurement plate 5, the leading-out terminal of described the second fuse 4 is connected with the end of incoming cables of described negative pole copper bar 7, particularly, can on described anodal copper bar 6 and described negative pole copper bar 7, organic glass baffle plate 29 be installed, the leading-out terminal of the leading-out terminal of described anodal copper bar 6 and described negative pole copper bar 7 is all connected with the end of incoming cables of described on-load switch 10 by described DC lightning prevention device 9, the leading-out terminal of described on-load switch 10 is connected with described end of incoming cables of confluxing lead-out terminal 11, described DC lightning prevention device 9 is by described grounding copper bar 8 ground connection, in order to prevent electric shock accidents, can on described on-load switch 10, mounting terminal cover 28, for hiding the exposed terminal of on-load switch 10, in described casing 2, be also provided with external power supply terminal 12, lightning protection for power supply 13, the first miniature circuit breakers 14, measurement and control unit 15, siganl thunder-proof device 16 and fiber organizer 17, the leading-out terminal of described external power supply terminal 12 is connected with the end of incoming cables of described the first miniature circuit breakers 14 by described lightning protection for power supply 13, the leading-out terminal of described the first miniature circuit breakers 14 is connected with the power port of described measurement and control unit 15, the RS485 PORT COM of described measurement and control unit 15 is connected with described siganl thunder-proof device 16, the optical-fibre communications port of described measurement and control unit 15 is connected with the incoming line of described fiber organizer 17, described lightning protection for power supply 13 and described siganl thunder-proof device 16 are all by described grounding copper bar 8 ground connection, in described casing 2, be also provided with the second miniature circuit breakers 26 and heater 27, the end of incoming cables of described the second miniature circuit breakers 26 is connected with the leading-out terminal of described external power supply terminal 12 by described lightning protection for power supply 13, the leading-out terminal of described the second miniature circuit breakers 26 is connected with the power end of described heater 27, the control end of described the second miniature circuit breakers 26 is connected with the control end of described measurement and control unit 15, the interior integrated installation of described measurement and control unit 15 has temperature sense module, in the present embodiment, all chips in described measurement and control unit 15 and components and parts are technical grade chip and the components and parts with wide temperature range, the mounting means of described casing 2 can be wall-hanging installation.
As shown in Figure 2, the bottom of described casing 2 is provided with direct current positive input interface 18, direct current negative input interface 19, power interface 20, ground interface 21, the positive output of confluxing interface 22, the negative output of confluxing interface 23, RS485 interface 24 and optical fiber interface 25, described direct current positive input interface 18 is connected with the end of incoming cables of described the first fuse 3, described direct current negative input interface 19 is connected with the end of incoming cables of described the second fuse 4, described power interface 20 is connected with the end of incoming cables of described external power supply terminal 12, described ground interface 21 is connected with described grounding copper bar 8, described conflux positive output interface 22 with described in the negative output interface 23 that confluxes be connected with the described leading-out terminal that confluxes lead-out terminal 11, described RS485 interface 24 is connected with described siganl thunder-proof device 16, described optical fiber interface 25 is connected with the line outlet of described fiber organizer 17.
In the present embodiment, described header box meets the instructions for use of outdoor mounted, casing 1 adopts hermetically sealed design, there is dustproof, waterproof, antistatic and heat insulation function, be applicable to the area that environmental condition is severe, ambient temperature is lower, normal operating temperature range can reach-40 ℃～+ 70 ℃, can be accessed by 6～24 road solar cell tandems simultaneously, and every road electric current maximum can reach 15A, the open-circuit voltage values of the maximum photovoltaic tandem of access can reach 1000V, and the withstand voltage of fuse is not less than DC1000V, in casing 1, be furnished with photovoltaic special high-pressure lightning protection device, anodal negative pole all possesses lightning protection function, and can realize the power quality analysis of electric current, voltage acquisition, power calculation and the PV group string of each tandem, in addition, described header box also has remote communicating function, can carry out remote signalling, remote control and failure wave-recording, carry optical fiber interface, RS485 interface and Ethernet (Ethernet) interface, adopt the MODBUS agreement of electric power system 103 stipulations and standard, wherein, backbone network adopts the ring-like Ethernet of 100M optical fiber self-healing, Figure 3 shows that the connection diagram of the optical fiber ring network that in the present embodiment, a plurality of header boxs form, transfer of data in whole optical fiber ring network is finally controlled by a Central Control Room, when header box is the configuration of electricity mouth, need external optical fiber ring network switch, the fault-tolerant ability of this network is strong, in network during fibercuts, can realize the automatic loopback between active and standby ring by light SWITCH, being routed automatically to normal link communicates, and isolated fault point, and the automatic healing time of network failure only needs 20ms ~ 500ms, communication media can be used optical fiber flexibly according to transformer station's actual conditions, twisted-pair feeder etc., also can use in one network optical fiber and twisted-pair feeder simultaneously, network topology structure can be star-like or self-healing is ring-like, also can adopt the pattern of both mixed networking, hub-and-spoke network topology structure based on electric SWITCH and structured wiring technology make the reliability of Ethernet reach very high standard, website expansion can complete by upgrading or the cascade of hub, flexibly and easily, the intelligent functions of network is the fault point of positioning and communicating network accurately, easy to maintenance, Figure 4 shows that the optical cable connection diagram of a header box in the present embodiment, the fiber cores that backbone is used is eight cores, four primary four standby, in fiber organizer 17, there is the SC tail optical fiber of eight two meters long, wherein one end of one end of four primary tail optical fibers and four standby tail optical fibers is connected with four standby wire jumpers with four primary wire jumpers outside fiber organizer 17 respectively by adapter, and four primary wire jumpers are connected with measurement and control unit 15, the other end of the other end of four primary tail optical fibers and four standby tail optical fibers is connected with the optical fiber interface 25 of header box casing 2 bottoms by fusion point.
The component structure layout of the utility model configuration is carefully and neatly compact, cabling is attractive in appearance, there is thorough and comprehensive lightning protection function, can select telecommunication mode according to on-site actual situations, can normally be operated in the environment with lower temperature, and there is higher fail safe, there is substantive distinguishing features and progress; By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (5)
1. a photovoltaic lightningproof direct current conflux case, comprise: the casing (2) with chamber door (1), in described casing (2), be provided with the first fuse (3), the second fuse (4), electrical measurement plate (5), anodal copper bar (6), negative pole copper bar (7), grounding copper bar (8), DC lightning prevention device (9), on-load switch (10) and the lead-out terminal that confluxes (11), the leading-out terminal of described the first fuse (3) is connected with the end of incoming cables of described anodal copper bar (6) by described electrical measurement plate (5), the leading-out terminal of described the second fuse (4) is connected with the end of incoming cables of described negative pole copper bar (7), the leading-out terminal of the leading-out terminal of described anodal copper bar (6) and described negative pole copper bar (7) is all connected with the end of incoming cables of described on-load switch (10) by described DC lightning prevention device (9), the leading-out terminal of described on-load switch (10) with described in the conflux end of incoming cables of lead-out terminal (11) be connected, described DC lightning prevention device (9) is by described grounding copper bar (8) ground connection, it is characterized in that: in described casing (2), be also provided with external power supply terminal (12), lightning protection for power supply (13), the first miniature circuit breakers (14), measurement and control unit (15), siganl thunder-proof device (16) and fiber organizer (17), the leading-out terminal of described external power supply terminal (12) is connected with the end of incoming cables of described the first miniature circuit breakers (14) by described lightning protection for power supply (13), the leading-out terminal of described the first miniature circuit breakers (14) is connected with the power port of described measurement and control unit (15), the RS485 PORT COM of described measurement and control unit (15) is connected with described siganl thunder-proof device (16), the optical-fibre communications port of described measurement and control unit (15) is connected with the incoming line of described fiber organizer (17), described lightning protection for power supply (13) and described siganl thunder-proof device (16) are all by described grounding copper bar (8) ground connection,
The bottom of described casing (2) is provided with direct current positive input interface (18), direct current negative input interface (19), power interface (20), ground interface (21), the positive output of confluxing interface (22), the negative output of confluxing interface (23), RS485 interface (24) and optical fiber interface (25), described direct current positive input interface (18) is connected with the end of incoming cables of described the first fuse (3), described direct current negative input interface (19) is connected with the end of incoming cables of described the second fuse (4), described power interface (20) is connected with the end of incoming cables of described external power supply terminal (12), described ground interface (21) is connected with described grounding copper bar (8), described conflux positive output interface (22) with described in the conflux leading-out terminal of lead-out terminal (11) be connected, described RS485 interface (24) is connected with described siganl thunder-proof device (16), described optical fiber interface (25) is connected with the line outlet of described fiber organizer (17).
2. a kind of photovoltaic lightningproof direct current conflux case according to claim 1, it is characterized in that: in described casing (2), be also provided with the second miniature circuit breakers (26) and heater (27), the end of incoming cables of described the second miniature circuit breakers (26) is connected with the leading-out terminal of described external power supply terminal (12) by described lightning protection for power supply (13), the leading-out terminal of described the second miniature circuit breakers (26) is connected with the power end of described heater (27), the control end of described the second miniature circuit breakers (26) is connected with the control end of described measurement and control unit (15), the interior integrated installation of described measurement and control unit (15) has temperature sense module.
3. a kind of photovoltaic lightningproof direct current conflux case according to claim 1 and 2, it is characterized in that: the terminal cap (28) for hiding exposed terminal is installed on described on-load switch (10), on described anodal copper bar (6) and described negative pole copper bar (7), polymethyl methacrylate baffle plate (29) is installed.
4. a kind of photovoltaic lightningproof direct current conflux case according to claim 1 and 2, is characterized in that: all chips in described measurement and control unit (15) and components and parts are technical grade chip and the components and parts with wide temperature range.
5. a kind of photovoltaic lightningproof direct current conflux case according to claim 1 and 2, is characterized in that: the mounting means of described casing (2) is wall-hanging installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420382913.XU CN203984341U (en) | 2014-07-11 | 2014-07-11 | A kind of photovoltaic lightningproof direct current conflux case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420382913.XU CN203984341U (en) | 2014-07-11 | 2014-07-11 | A kind of photovoltaic lightningproof direct current conflux case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203984341U true CN203984341U (en) | 2014-12-03 |
Family
ID=51981754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420382913.XU Active CN203984341U (en) | 2014-07-11 | 2014-07-11 | A kind of photovoltaic lightningproof direct current conflux case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203984341U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452345A (en) * | 2016-11-30 | 2017-02-22 | 合肥源擎电气科技有限公司 | Wall-mounted high power off-grid photovoltaic controller |
| CN106788219A (en) * | 2017-01-23 | 2017-05-31 | 沈小红 | A kind of photovoltaic generation header box |
| CN109194280A (en) * | 2018-10-09 | 2019-01-11 | 安徽大恒能源科技有限公司 | A kind of assembly technology of commercial style photovoltaic plant data acquisition box |
| CN109617524A (en) * | 2018-10-09 | 2019-04-12 | 安徽大恒能源科技有限公司 | A kind of commercial style photovoltaic plant data acquisition box |
| CN112436804A (en) * | 2020-11-09 | 2021-03-02 | 南昌工学院 | Solar photovoltaic power generation measurement and control device |
-
2014
- 2014-07-11 CN CN201420382913.XU patent/CN203984341U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452345A (en) * | 2016-11-30 | 2017-02-22 | 合肥源擎电气科技有限公司 | Wall-mounted high power off-grid photovoltaic controller |
| CN106452345B (en) * | 2016-11-30 | 2018-07-31 | 合肥源擎电气科技有限公司 | A kind of wall-mounted high power off-network photovoltaic controller |
| CN106788219A (en) * | 2017-01-23 | 2017-05-31 | 沈小红 | A kind of photovoltaic generation header box |
| CN109194280A (en) * | 2018-10-09 | 2019-01-11 | 安徽大恒能源科技有限公司 | A kind of assembly technology of commercial style photovoltaic plant data acquisition box |
| CN109617524A (en) * | 2018-10-09 | 2019-04-12 | 安徽大恒能源科技有限公司 | A kind of commercial style photovoltaic plant data acquisition box |
| CN112436804A (en) * | 2020-11-09 | 2021-03-02 | 南昌工学院 | Solar photovoltaic power generation measurement and control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203984341U (en) | A kind of photovoltaic lightningproof direct current conflux case | |
| CN204967752U (en) | Intelligence photovoltaic power generation system based on plastics optical fiber communication | |
| CN202183743U (en) | Photovoltaic confluence box | |
| CN203984337U (en) | A kind of low profile photovoltaic header box | |
| CN215419735U (en) | Bus duct measurement and control device and bus duct measurement and control system | |
| CN203103330U (en) | Intelligent photovoltaic lightning protection anti-reverse junction box | |
| CN211184586U (en) | Outdoor ETC rack | |
| CN106385052B (en) | A kind of photovoltaic inverting system | |
| CN202903962U (en) | Photovoltaic component monitoring system | |
| CN204836080U (en) | Intelligence photovoltaic array collection flow box | |
| CN110336187B (en) | Protection method of outgoing line cabinet and data acquisition device | |
| CN205901442U (en) | Intelligence integration photovoltaic case becomes | |
| CN105024761A (en) | Power passive optical network communication terminal | |
| CN204761391U (en) | Photovoltaic collector shoe gear | |
| CN205123368U (en) | Portable emergent direct current charging device | |
| CN210201493U (en) | New energy power station power generation unit measurement and control device | |
| CN203951255U (en) | Two the filling of the two electricity of a kind of DC power supply put | |
| CN203942491U (en) | A kind of photovoltaic array conflux box | |
| CN203734614U (en) | Novel intelligent photovoltaic combiner box | |
| CN102435832A (en) | Single-phase distribution transformer operation monitoring metering device | |
| CN206742857U (en) | A kind of low-voltage distribution room outgoing line cabinet | |
| CN105577112A (en) | Intelligent solar photovoltaic junction box based on Internet of Things | |
| CN207559667U (en) | A kind of DC energy source router | |
| CN105227130A (en) | A kind of Intelligent photovoltaic electricity generation system based on plastic fiber communication | |
| CN205811955U (en) | Direct current conflux case in photovoltaic generating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211227 Address after: 518054 11e11, floor 11, Maoye department store building, Wenxin Second Road, Haizhu community, Yuehai street, Shenzhen, Guangdong Patentee after: Shenzhen runshihua R & D Technology Co.,Ltd. Address before: 030006 floor 10, Chenyu building, No. 3, central North Street, high tech Zone, Taiyuan City, Shanxi Province Patentee before: NANZI JINNENG AUTOMATION Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 518100 3904, venture capital building, No. 9, Tengfei Road, huanggekeng community, Longcheng street, Longgang District, Shenzhen, Guangdong Province Patentee after: Shenzhen runshihua R & D Technology Co.,Ltd. Address before: 518054 11e11, floor 11, Maoye department store building, Wenxin Second Road, Haizhu community, Yuehai street, Shenzhen, Guangdong Patentee before: Shenzhen runshihua R & D Technology Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |