CN206833694U - The long-range stress monitoring system of photovoltaic module support being wirelessly transferred based on chain type - Google Patents
The long-range stress monitoring system of photovoltaic module support being wirelessly transferred based on chain type Download PDFInfo
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- CN206833694U CN206833694U CN201720440459.2U CN201720440459U CN206833694U CN 206833694 U CN206833694 U CN 206833694U CN 201720440459 U CN201720440459 U CN 201720440459U CN 206833694 U CN206833694 U CN 206833694U
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- module
- support
- stress monitoring
- photovoltaic module
- chain type
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- 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
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Abstract
The utility model discloses a kind of long-range stress monitoring system of the photovoltaic module support being wirelessly transferred based on chain type, each photovoltaic module one stress monitoring module of access in parallel, module is powered by photovoltaic module.The support of component and the sensor of module are attached, and the sedimentation situation of support is gathered by strain gauge.The information that each component collects is transmitted by wireless chain type uploads to summary device by information.Collect it and pass information to host computer, the information gathering situation of each stress monitoring module is analyzed by host computer, and then monitor the suffered stress situation of each photovoltaic module support.If it find that some assembly support feedback data is abnormal, the component place of data exception is determined according to feedback information, according to the alarm condition of feedback, early notify Field Force to be handled, and then avoid damage to property.
Description
Technical field
A kind of long-range stress monitoring system of the photovoltaic module support being wirelessly transferred based on chain type is the utility model is related to belong to
Photovoltaic power plant bracket monitoring technology field.
Background technology
Photovoltaic plant is the photovoltaic generating system that the mode in parallel with power network transmits electric power to power network, belongs to country's encouragement
Green energy resource project.Photovoltaic generating system is mainly made up of photovoltaic module equipment, and in photovoltaic plant, photovoltaic bracket is used in batch
Installation photovoltaic component, the more stable and stronger of support create necessary condition for photovoltaic plant smooth long term running.Due to land use
Rate situation, current country encourages to build photovoltaic plant in the area such as coal mining, wetland, massif, but these areas are all decanting zones,
The orographic condition of decanting zone has tested the support of photovoltaic plant, and settlement region can cause photovoltaic module support unbalance stress, for a long time
Accumulation, bending, the fracture of assembly support may be caused, loss of assets is brought to photovoltaic plant.
Stress monitoring is carried out to the assembly support of decanting zone photovoltaic plant, by the sedimentation information of stress collecting region,
The field condition that sedimentation causes to obtain the stress monitoring of assembly support site before loss improves.
Current common geology sedimentation monitoring system generally directed to bridge, dam, heavy construction application scenarios, directly exist
Photovoltaic plant apply and had the following problems：
1. monitoring accuracy is inadequate, conventional monitoring system typically carries out regional monitoring, and photovoltaic plant floor space is big, greatly
The precision of area monitoring cannot be guaranteed to report the stressing conditions of each support, it is impossible to monitor the situation of each support；
2. expensive, common monitoring system functional is relatively simple, and application scenarios are limited, in the application scenarios of heavy construction
Under, separate unit price is higher, especially needs the application scenarios of multi-point monitoring photovoltaic plant is this, cost performance is relatively low；
3. application difficulty is big, common detecting system needs special power supply, communication connection, in the outdoor plant area of photovoltaic plant,
Need specially to set up cable and communicated, increase engineering cost and difficulty.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided a kind of to be wirelessly transferred based on chain type
The long-range stress monitoring system of photovoltaic module support, assembly support stressing conditions can be carried out with monitoring in real time by wirelessly reporting shape
State situation, alarmed when the stress of assembly support changes.
In order to solve the above technical problems, to provide a kind of photovoltaic module support for being wirelessly transferred based on chain type remote for the utility model
Journey stress monitoring system, including multiple photovoltaic module strings, the photovoltaic module group that each photovoltaic module string is sequentially connected in series by several
Into each photovoltaic module is arranged on corresponding assembly support, and multiple photovoltaic group strings are parallel with one another on header box, in addition to is converged
Total device, host computer and the strain gauge and stress monitoring module installed in assembly support；
The assembly support is put down including support ground with the parallel support level axle being erected on support ground, photovoltaic module
Row is layed on assembly support trunnion axis, and support ground is embedded in below ground, and height of level is consistent；
The strain gauge is pasted on support level axle both sides, and 2 strain gauges are installed on each assembly support；Institute
State strain gauge collection support level axle deformation quantity；
The output end access process circuit of the strain gauge, the output end access stress monitoring module of process circuit；
The analog signal of support level axle deformation quantity is conveyed to stress monitoring module, all stress monitoring modules by the process circuit
The analog signal of collection is conveyed to summary device；
The stress monitoring module is connected in parallel on the output end of photovoltaic module, and photovoltaic module provides electric power for stress monitoring module
Support；
The summary device is connected by RS485 interfaces with host computer.
Foregoing stress monitoring module uses the single-chip microcomputer with analog-to-digital conversion interface.
Wireless communication module is included inside foregoing stress monitoring module, each wireless communication module forms chain type transmission network
Network.
Foregoing summary device includes wireless module, and summary device receives the simulation of chain type transmission network transmission by wireless module
Signal.
The chain type transmission means of foregoing chain type transmission network is the communication of 2.4GHz or 915MHz frequency ranges.
Foregoing host computer uses PC.
Foregoing host computer includes display module.
Foregoing host computer includes alarm module.
Compared with prior art, the beneficial effect that the utility model is completed is：
The utility model passes through side position attachment strain gauge, stress monitoring mould above and below photovoltaic module support trunnion axis
Block reads the monitor value of strain gauge, by the standoff information transmission of institute into host computer, when monitoring due to environmental change
During caused Parameters variation, pinpoint the problems early alarm, by the processing of related personnel, avoid bringing to photovoltaic plant
Further loss.
It is that information transmission is carried out by chain type communication between all stress monitoring modules of the present utility model,
Each stress monitoring module by this chain type be wirelessly transferred it is final communicates information to summary device, then on deliver to host computer, ensure
Host computer receives the reliability of data, using chain type wireless telecommunications, so as to reduce engineering cost and difficulty.
All stress monitoring modules of the utility model are by cable interface nigh photovoltaic module in parallel, from photovoltaic
The voltage x current needed for operation is obtained in component, it is not necessary to specially set up service cable.The utility model deployment is simple, implements just
Profit, cost are low, strong adaptability.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model stress monitoring system；
Fig. 2 is the structural representation of assembly support；
Fig. 3 is the Principle of Communication figure of long-range stress monitoring system；
Fig. 4 is the theory diagram of chain type transmission.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
Photovoltaic generating system of the prior art, as shown in figure 1, multiple photovoltaic modulies 8 are sequentially connected in series photovoltaic module
String 7, during the output ends of multiple photovoltaic module strings 7 output direct current is connected to the grid after header box 4 is transformed to alternating current, Mei Geguang
Lie prostrate component 8 to be arranged on corresponding assembly support, header box 4 includes multipair port corresponding with 7 numbers of photovoltaic module string, each pair
Port is respectively set to S+, S-, and each photovoltaic group string 7 is connected between two ports of S+, S-, and multiple photovoltaic group strings 7 are mutually simultaneously
It is associated on header box.
The photovoltaic module support long-range stress monitoring system of the present utility model being wirelessly transferred based on chain type, as shown in figure 1,
The multiple photovoltaic module strings 7 being connected to the grid including the output electric energy that is in parallel, each photovoltaic module string 7 are multiple including being sequentially connected in series
Photovoltaic module 8, each photovoltaic module 8 are arranged on corresponding assembly support, in addition to multiple stress installed in assembly support
Sensor 2 and stress monitoring module 3, header box 4, summary device 6 and host computer 5.
Host computer 5 includes main control computer and the display module for showing each assembly support deformation data.
Each strain gauge is mounted on corresponding assembly support, and each strain gauge 2 is connected with stress monitoring module 3
Connect.
Stress monitoring module constitutes the hardware foundation of wireless chain type transmission, and wireless telecommunications are included inside stress monitoring module
Module, stress monitoring module are postponed and neighbouring stress monitoring module forms chain type transmission network matching somebody with somebody by handheld configuration device 1
The information collected is uploaded.
Stress monitoring module 3 gathers the information that strain gauge returns, and uploads to summary device, summary device supervises multiple stress
The sample information of survey module is wirelessly transferred by chain type to collect, and passes information to host computer.
Further, host computer 5 also includes alarm module, when the stress monitoring module monitoring in chain type wireless-transmission network
When exceeding the deformation quantity of limit value to photovoltaic module support, alarm module output alarm signal.Alarm module can use existing sound
Light alarm module, when suspicious circumstances occurs in certain assembly support, main control computer receives related data, you can control alarm module
Alarmed, to warn staff.
In the utility model, the normal output voltage of photovoltaic module 8 is 20 to 40 volts, multiple photovoltaics in photovoltaic module string 7
Component 8 is sequentially connected in series output electric energy and is connected to the grid through header box, and each photovoltaic module 8 is arranged on corresponding assembly support, should
Force snesor 2 gathers the stress and deformation data of corresponding assembly support, and stress mornitoring module 3 collects the phase that each strain gauge uploads
The stress and deformation data of assembly support are answered to be uploaded to summary device 6.When, which there is unbalance stress, in assembly support produces serious deformation, shape
Variable will embody in the Monitoring Data of stress monitoring module, and stress monitoring system serious deformation occurs by sampled data positioning
Assembly support, so as to notifying staff to be handled in time, avoid further losing.
Wireless chain type transmission between stress monitoring module is realized by the radio communication of 2.4GHz or 915MHz frequency ranges
's.The radio communication mold block type that communication mode is depended on inside stress monitoring module, it is complete by corresponding wireless communication protocol
It is wirelessly transferred into chain type.
The schematic diagram of assembly support including support ground 121 with parallel as shown in Fig. 2 be erected on support ground 121
Support level axle 122.The parallel laid of photovoltaic module 8 at photovoltaic plant scene is on assembly support trunnion axis 122, and trunnion axis is very
Long, length is different according to the photovoltaic module quantity often gone here and there and changes, and length can be 10 to 50 meters.Support ground 121 is embedded in ground
Below face.It is basically identical in construction period assembly support height of level, stress after photovoltaic module 8 is set up on support level axle 122
Uniformly, deformation quantity is fixed.If uneven sedimentation occurs in scene, cause the level height of different support ground different, then support
Trunnion axis will be by extra uneven pressure, and the trunnion axis center between support ground is most easily because uneven stress
Produce deformation.Strain gauge 2 is pasted on support level axle both sides, 13 be strain gauge affixed points in figure, then can be to water
Flat axle deformation quantity carries out long-term, lasting monitoring, and then is inferred to the settlement of foundation situation near monitoring point.Strain gauge 2
Output end pass through cable and access stress monitoring module, the stress of the acquisition component support of strain gauge 2 and deformation, stress sensing
Device connects process circuit, and the physical quantity that strain gauge gathers is converted into voltage analog signal by process circuit.11 be light in figure
Lie prostrate module frame.
Stress monitoring module uses the chip microcontroller of the prior art with analog-to-digital conversion interface, as shown in figure 3, place
Circuit connection stress monitoring module is managed, voltage analog signal is conveyed to single-chip microcomputer, single-chip microcomputer collects sampled data, and data are led to
Cross chain type and be wirelessly transferred and be transported to summary device.
Chain type is transmitted as shown in figure 4, each stress monitoring module is according to corresponding mode and neighbouring stress monitoring module
Networking is carried out, equipment communication is carried out in this way, even if some stress monitoring module of information transmission mode as shown in Figure 4
Go wrong and also do not interfere with the chain type transmission communication of total system.
Stress monitoring module 3 is connected in parallel on the output end of photovoltaic module 8, as shown in figure 1, photovoltaic module 8 is corresponding stress
Monitoring modular is powered, and the voltage opposing circuit operating voltage of photovoltaic module output is higher, and inside becomes photovoltaic group of changing commanders by DC-DC
The photovoltaic conversion of 20 to 40 higher volts caused by part 8 is the voltage of 3 to 5 volts needed for stress monitoring module work.
Summary device 6 uses arm processor of the prior art as master controller, as shown in figure 3, arm processor connects nothing
Wire module and RS485 interfaces, wireless module receive the signal of stress monitoring module transmission, received in arm processor by wireless
After the information that module receives, information is passed into host computer by RS485 interface Modbus agreements.
Stress monitoring module and assembly support are one-to-one relations, initially can be included and group in stress monitoring module
ID number corresponding to part support, subsequently it can also be set with handheld configuration device.Handheld configuration device can use in the prior art
Handheld terminal, and stress monitoring module radio communication, the ID number and chain type transmission path of stress monitoring module are set.
Host computer 5 can realize that summary device 6 is assisted by the Modbus of RS485 interfaces using PC of the prior art
View passes data to PC, and the display module of PC can intuitively be shown to the assembly support deformation data of collection, together
When according to the support deformation sampled data received, when serious deformation occurs for certain assembly support, alarm module ring reminds work
Make personnel and check corresponding assembly support in time, so can more accurately and efficiently monitor the state feelings of each assembly support
Condition.
The utility model mounts strain gauge by two side positions up and down in photovoltaic module support, from stress monitoring mould
Block obtains strain gauge parameter, and numerous support force situations in photovoltaic plant plant area are monitored in master system,
Alarmed in any monitored support because early stage the problem of unbalance stress, deformation occur in address settlement issues, pass through scene
The processing of personnel, avoid further losing.The wireless telecommunications of chain type transmission means are carried out between all stress monitoring modules,
Communication distance is very considerable between stress monitoring module, can reach the communication distance of hundreds of meters of open field.All stress monitoring modules
It is in parallel with neighbouring photovoltaic module by cable, the voltage x current needed for operation is obtained from photovoltaic module, it is not necessary to special
Power supply cabling.System uses wireless telecommunications, the low laying cost and difficulty of communication cabling of high degree.The utility model portion
Administration is simple, implementation is convenient, cost is low, strong adaptability.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made, these change
Enter and also should be regarded as the scope of protection of the utility model with modification.
Claims (8)
1. based on the long-range stress monitoring system of photovoltaic module support that chain type is wirelessly transferred, it is characterised in that including multiple photovoltaics
Component string, the photovoltaic module that each photovoltaic module string is sequentially connected in series by several are formed, and each photovoltaic module is arranged at accordingly
On assembly support, multiple photovoltaic group strings are parallel with one another on header box, in addition to summary device, host computer and installed in component branch
The strain gauge and stress monitoring module of frame；
The assembly support includes support ground and the parallel support level axle being erected on support ground, photovoltaic module parallel laid
On assembly support trunnion axis, support ground is embedded in below ground, and height of level is consistent；
The strain gauge is pasted on support level axle both sides, and 2 strain gauges are installed on each assembly support；It is described to answer
Force snesor gathers support level axle deformation quantity；
The output end access process circuit of the strain gauge, the output end access stress monitoring module of process circuit；It is described
The analog signal of support level axle deformation quantity is conveyed to stress monitoring module by process circuit, and all stress monitoring modules will adopt
The analog signal of collection is conveyed to summary device；
The stress monitoring module is connected in parallel on the output end of photovoltaic module, and photovoltaic module provides electric power branch for stress monitoring module
Hold；
The summary device is connected by RS485 interfaces with host computer.
2. the photovoltaic module support long-range stress monitoring system according to claim 1 being wirelessly transferred based on chain type, it is special
Sign is that the stress monitoring module uses the single-chip microcomputer with analog-to-digital conversion interface.
3. the photovoltaic module support long-range stress monitoring system according to claim 1 being wirelessly transferred based on chain type, it is special
Sign is, wireless communication module is included inside the stress monitoring module, and each wireless communication module forms chain type transmission network.
4. the photovoltaic module support long-range stress monitoring system according to claim 3 being wirelessly transferred based on chain type, it is special
Sign is that the summary device includes wireless module, and the simulation that summary device receives the transmission of chain type transmission network by wireless module is believed
Number.
5. the photovoltaic module support long-range stress monitoring system according to claim 3 being wirelessly transferred based on chain type, it is special
Sign is that the chain type transmission means of the chain type transmission network is the communication of 2.4GHz or 915MHz frequency ranges.
6. the photovoltaic module support long-range stress monitoring system according to claim 1 being wirelessly transferred based on chain type, it is special
Sign is that the host computer uses PC.
7. the photovoltaic module support long-range stress monitoring system according to claim 6 being wirelessly transferred based on chain type, it is special
Sign is that the host computer includes display module.
8. the photovoltaic module support long-range stress monitoring system according to claim 6 being wirelessly transferred based on chain type, it is special
Sign is that the host computer includes alarm module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720440459.2U CN206833694U (en) | 2017-04-25 | 2017-04-25 | The long-range stress monitoring system of photovoltaic module support being wirelessly transferred based on chain type |
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| CN201720440459.2U CN206833694U (en) | 2017-04-25 | 2017-04-25 | The long-range stress monitoring system of photovoltaic module support being wirelessly transferred based on chain type |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809985A (en) * | 2021-09-16 | 2021-12-17 | 西安热工研究院有限公司 | Robot-based marine photovoltaic bracket corrosion condition diagnosis system and method |
| CN117034499A (en) * | 2023-08-25 | 2023-11-10 | 聚合电力工程设计(北京)股份有限公司 | Photovoltaic support foundation design method based on wind energy simulation calculation |
-
2017
- 2017-04-25 CN CN201720440459.2U patent/CN206833694U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809985A (en) * | 2021-09-16 | 2021-12-17 | 西安热工研究院有限公司 | Robot-based marine photovoltaic bracket corrosion condition diagnosis system and method |
| CN117034499A (en) * | 2023-08-25 | 2023-11-10 | 聚合电力工程设计(北京)股份有限公司 | Photovoltaic support foundation design method based on wind energy simulation calculation |
| CN117034499B (en) * | 2023-08-25 | 2024-02-20 | 聚合电力工程设计(北京)股份有限公司 | Photovoltaic support foundation design method based on wind energy simulation calculation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.532, building 5, No.97, Changping Road, Shahe Town, Changping District, Beijing Patentee after: Beijing Qingyun Energy Group Co.,Ltd. Address before: No.532, building 5, No.97, Changping Road, Shahe Town, Changping District, Beijing Patentee before: BEIJINGQINGKONG JIENENG TECHNOLOGY CO.,LTD. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 5009, podium building, floor 5, No. 69, Zizhuyuan Road, Haidian District, Beijing 102206 Patentee after: Beijing Qingyun Energy Group Co.,Ltd. Address before: No.532, building 5, No.97, Changping Road, Shahe Town, Changping District, Beijing Patentee before: Beijing Qingyun Energy Group Co.,Ltd. |