CN108282151A - Photovoltaic module power test device - Google Patents
Photovoltaic module power test device Download PDFInfo
- Publication number
- CN108282151A CN108282151A CN201810226294.8A CN201810226294A CN108282151A CN 108282151 A CN108282151 A CN 108282151A CN 201810226294 A CN201810226294 A CN 201810226294A CN 108282151 A CN108282151 A CN 108282151A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic module
- clip
- power test
- test device
- module power
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 241000112598 Pseudoblennius percoides Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The present invention provides a kind of photovoltaic module power test devices, belong to solar photovoltaic assembly technical field of measurement and test, including pedestal, rotation mechanism in vertical shaft, vertical rotating mechanism and clamping device for fixing photovoltaic module, the clamping device is set on the vertical rotating mechanism, the vertical rotating mechanism is connected with the rotation mechanism in vertical shaft, and the rotation mechanism in vertical shaft is set on the pedestal.The present invention is fixed photovoltaic module by clamping device, the rotation of photovoltaic module different angle is realized using vertical rotating mechanism and rotation mechanism in vertical shaft, it can be under conditions of not changing light source, real simulation photovoltaic module receives the case where different angle light source irradiation, effecting reaction goes out photovoltaic module with the electrical property under sun angular difference situation, the actual performance in reaction component operational process.
Description
Technical field
The invention belongs to solar photovoltaic assembly technical field of measurement and test, are to be related to a kind of photovoltaic module work(more specifically
Rate test device.
Background technology
Photovoltaic module is to be worth highest part in core and photovoltaic generating system in photovoltaic generating system.
It is to convert solar energy into electrical energy, or be sent in accumulator and store, or push loaded work piece that it, which is acted on,.Photovoltaic component encapsulating
It needs to carry out power test after molding, that is, photovoltaic module power test at present will using the method for light source vertical irradiation
The light vertical irradiation of 1000W/m2 measures the power of component by acquisition system to assembly surface.But photovoltaic module is in power station
Due to installation region latitude and sun rise and descent in operational process, the variation of sunlight irradiating angle is caused, it is existing
The test method of vertical polishing cannot effectively reflect variation of the component in one day energy generated energy.
Invention content
The purpose of the present invention is to provide a kind of photovoltaic module power test devices, to solve existing in the prior art hang down
The technical issues of straight irradiation photovoltaic module is unable to effecting reaction component generated energy changes in one day.
To achieve the above object, the technical solution adopted by the present invention is：A kind of photovoltaic module power test device is provided, is wrapped
Include pedestal, rotation mechanism in vertical shaft, vertical rotating mechanism and the clamping device for fixing photovoltaic module, the clamping device setting
In on the vertical rotating mechanism, the vertical rotating mechanism is connected with the rotation mechanism in vertical shaft, the rotation mechanism in vertical shaft
It is set on the pedestal.
Further, the clamping device includes two bar shaped clips for placing photovoltaic module, the cross of the clip
Section is U-shaped, and the U-lag of two clips is oppositely arranged, and the edge of the photovoltaic module is set to the U-lag of the clip
Interior, the top surface of the clip is equipped with the fastener for fastening photovoltaic module, two clips and the vertical rotating mechanism
It is connected.
Further, the rotation mechanism in vertical shaft includes crossbeam and turntable, and the turntable is fixed on the base, described
The middle part of crossbeam is equipped with the shaft being rotatably assorted with the turntable；The both ends of crossbeam are connected with vertical rotating mechanism.
Further, the upper surface of the turntable applies the graduation mark for being useful for indicating angle, and the middle part of the crossbeam is equipped with
The concentric annulus with shaft, the diameter of the annulus are less than the diameter of the turntable, and the outer edge of the annulus is equipped with for referring to
Show the pointer of angle.
Further, the pointer is set to support boom end, and the supporting rod is vertically fixed on the crossbeam, described
The both ends of supporting rod are set on the annulus.
Further, the crossbeam is split structure, including outer tube and two inner sleeves, and the outer tube is by turning
Axis is rotatedly connected with the turntable, and one end of two inner sleeves is set in the outer tube, the outer tube with it is described
Inner sleeve is connected by connector, and the other end of the inner sleeve is connected with the vertical rotating mechanism.
Further, the vertical rotating mechanism includes two columns, the lower end of two columns and the crossbeam
Top is connected, and the upper end of two columns is rotatedly connected with two clips respectively.
Further, two clips are respectively the first clip and the second clip, described in first clip and one
The top of column is equipped with the dial rotated relative to the column, and the dial is fixed with first clip；Described second
Bearing is equipped between clip and another described column, the bearing is fixed on the medial surface at the top of the column.
Further, the outside of the dial is equipped with the pointer rod of instruction angle, and the pointer rod is fixed on described vertical
The top of column, the end of the pointer rod are equipped with the pointer for being used to indicate angle.
Further, U-lag one end closing of the clip, the other end are open.
The advantageous effect of photovoltaic module power test device provided by the invention is：Compared with prior art, of the invention
Photovoltaic module power test device is fixed photovoltaic module by clamping device, using vertical rotating mechanism and horizontally rotates machine
Structure realizes the rotation of photovoltaic module different angle, can be under conditions of not changing light source, and real simulation photovoltaic module receives not
The case where being irradiated with angle light source, effecting reaction go out photovoltaic module with the electrical property under sun angular difference situation, reaction
Actual performance during assembly operating.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of photovoltaic module power test device provided in an embodiment of the present invention；
Wherein, each reference numeral in figure：
1- pedestals, 2- clamping devices, 3- clips, the first clips of 31-, the second clips of 32-；4- fasteners, 5- crossbeams, 6- turn
Disk, 7- graduation marks, 8- annulus, 9- pointers, 10- supporting rods, 11- columns, 12- dials, 13- bearings, 14- pointer rods.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Referring to Fig. 1, existing illustrate photovoltaic module power test device provided by the invention.The photovoltaic module work(
Rate test device, including pedestal 1, rotation mechanism in vertical shaft, vertical rotating mechanism and the clamping device 2 for fixing photovoltaic module,
The clamping device 2 is set on the vertical rotating mechanism, and the vertical rotating mechanism is connected with the rotation mechanism in vertical shaft,
The rotation mechanism in vertical shaft is set on the pedestal 1.Wherein, pedestal is tower structure, including supporting leg and objective table, supporting leg
May be designed as it is adjustable, facilitate adjusting height.
Photovoltaic module power test device provided by the invention has simple in structure, easy to operate compared with prior art
The advantages of, photovoltaic module to be tested is fixed by clamping device, and light is realized using vertical rotating mechanism and rotation mechanism in vertical shaft
The rotation for lying prostrate component different angle, can be under conditions of not changing light source, and real simulation photovoltaic module receives different angle light
Source irradiate the case where, effecting reaction go out photovoltaic module with the electrical property under sun angular difference situation, effecting reaction component
Actual performance in operational process.
Further, referring to Fig. 1, a kind of specific implementation as photovoltaic module power test device provided by the invention
Mode, the clamping device 2 include two bar shaped clips 3 for placing photovoltaic module, and the cross section of the clip 3 is U-shaped,
The U-lag of two clips 3 is oppositely arranged, and the edge of the photovoltaic module is set in the U-lag of the clip 3, described
The top surface of clip 3 is equipped with the fastener 4 for fastening photovoltaic module, and two clips 3 are connected with the vertical rotating mechanism.
Wherein, fastener selects bolt, and photovoltaic module is placed into blending bolt in the U-lag of clip and fixes, to adapt to different-thickness
Photovoltaic module.In addition, other structures also can be selected in clamping device, the pallet of photovoltaic module is such as placed, pallet both ends can use top
Tight element fixes the edge of photovoltaic module.
Further, referring to Fig. 1, a kind of specific implementation as photovoltaic module power test device provided by the invention
Mode, the rotation mechanism in vertical shaft include crossbeam 5 and turntable 6, and the turntable 6 is fixed on the pedestal 1, the crossbeam 5
Middle part is equipped with the shaft being rotatably assorted with the turntable 6；5 both ends of crossbeam are connected with vertical rotating mechanism.Photovoltaic module is fixed
On clip, related vertical rotating mechanism is rotated with the rotation of crossbeam.It is carried in addition, rotation mechanism in vertical shaft can also be selected
The supporting rack of turntable, turntable, which is fixed on supporting rack, to be rotated with supporting rack relative to pedestal, can realize photovoltaic module around the shaft
Horizontally rotate.
Further, referring to Fig. 1, a kind of specific implementation as photovoltaic module power test device provided by the invention
Mode, the upper surface of the turntable 6 apply the graduation mark 7 for being useful for indicating angle, and the middle part of the crossbeam 5 is equipped with concentric with shaft
Annulus 8, the diameter of the annulus 8 is less than the diameter of the turntable 6, and the outer edge of the annulus 8, which is equipped with, is used to indicate angle
Pointer 9.The rotation angle that crossbeam is indicated using pointer improves test to accurately control the rotation angle of photovoltaic module
Accuracy.
Further, referring to Fig. 1, a kind of specific implementation as photovoltaic module power test device provided by the invention
Mode, the pointer 9 are set to 10 end of supporting rod, and the supporting rod 10 is vertically fixed on the crossbeam 5, the supporting rod
10 both ends are set on the annulus 8.Ensure stability of the crossbeam in rotation process using supporting rod and annulus, in turn
Ensure photovoltaic module smooth rotation.
Further, referring to Fig. 1, a kind of specific implementation as photovoltaic module power test device provided by the invention
Mode, the crossbeam 5 are split structure, including outer tube 51 and two inner sleeves 52, the outer tube 51 by shaft with
The turntable 6 is rotatedly connected, and one end of two inner sleeves 52 is set in the outer tube 51, the outer tube 51 and institute
It states inner sleeve 52 by connector to be connected, the other end of the inner sleeve 52 is connected with the vertical rotating mechanism.Pass through adjusting
The relative position of outer tube and inner sleeve, and being relatively fixed for the two, the crossbeam of this split structure are realized by connector
It can adapt to the photovoltaic module of different size.
Further, referring to Fig. 1, a kind of specific implementation as photovoltaic module power test device provided by the invention
Mode, the vertical rotating mechanism include two columns 11, the top phase of the lower end of two columns 11 and the crossbeam 5
Even, the upper end of two columns 11 is rotatedly connected with two clips 3 respectively.Photovoltaic module is fixed in two clips,
Two clips are rotatedly connected with two columns by rotary shaft, photovoltaic module can be realized to revolve by Mechanical Driven or manual actuation
The rotation of line centered on shaft.
Further, referring to Fig. 1, a kind of specific implementation as photovoltaic module power test device provided by the invention
Mode, two clips 3 respectively the first clip 31 and the second clip 32, first clip 31 and a column 11
Top be equipped with the dial 12 that rotate relative to the column 11, the dial 12 and first clip 31 fixation；It is described
Bearing 13 is equipped between second clip 32 and another described column 11, the bearing 13 is fixed on the interior of 11 top of the column
Side.The rotational angle that photovoltaic module is shown by dial, can mitigate clip in rotation process using circular bearing
Frictional force.
Further, referring to Fig. 1, a kind of specific implementation as photovoltaic module power test device provided by the invention
Mode, the outside of the dial 12 are equipped with the pointer rod 14 of instruction angle, and the pointer rod 14 is fixed on the column 11
Top, the end of the pointer rod 14 are equipped with the pointer 9 for being used to indicate angle.Photovoltaic module can be accurately reacted using pointer
Rotational angle improves testing precision.
Further, referring to Fig. 1, a kind of specific implementation as photovoltaic module power test device provided by the invention
Mode, U-lag one end closing of the clip 3, the other end are open.It, only need to be by photovoltaic module from clip when installation photovoltaic component
U-lag open end promote, the blind end of the U-lag of clip limits photovoltaic module, and bolt is utilized to fasten photovoltaic module
.Installation photovoltaic component is convenient and efficient.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. photovoltaic module power test device, it is characterised in that：Including pedestal, rotation mechanism in vertical shaft, vertical rotating mechanism and use
In the clamping device of fixed photovoltaic module, the clamping device is set on the vertical rotating mechanism, the vertical rotating machine
Structure is connected with the rotation mechanism in vertical shaft, and the rotation mechanism in vertical shaft is set on the pedestal.
2. photovoltaic module power test device as described in claim 1, it is characterised in that：The clamping device includes two use
It is U-shaped in the cross section of the bar shaped clip for placing photovoltaic module, the clip, the U-lag of two clips is oppositely arranged, institute
The edge for stating photovoltaic module is set in the U-lag of the clip, and the top surface of the clip is equipped with for fastening photovoltaic module
Fastener, two clips are connected with the vertical rotating mechanism.
3. photovoltaic module power test device as claimed in claim 2, it is characterised in that：The rotation mechanism in vertical shaft includes cross
Beam and turntable, the turntable are fixed on the base, and the middle part of the crossbeam is equipped with the shaft being rotatably assorted with the turntable；
The both ends of the crossbeam are connected with vertical rotating mechanism.
4. photovoltaic module power test device as claimed in claim 3, it is characterised in that：The upper surface of the turntable applies useful
It is equipped with the annulus concentric with shaft in the middle part of the graduation mark for indicating angle, the crossbeam, the diameter of the annulus is less than described
The diameter of turntable, the outer edge of the annulus are equipped with the pointer for being used to indicate angle.
5. photovoltaic module power test device as claimed in claim 4, it is characterised in that：The pointer is set to support rod end
Portion, the supporting rod are vertically fixed on the crossbeam, and the both ends of the supporting rod are set on the annulus.
6. photovoltaic module power test device as claimed in claim 3, it is characterised in that：The crossbeam is split structure,
Including outer tube and two inner sleeves, the outer tube is rotatedly connected by shaft and the turntable, two inner sleeves
One end is set in the outer tube, and the outer tube is connected with the inner sleeve by connector, the inner sleeve it is another
End is connected with the vertical rotating mechanism.
7. photovoltaic module power test device as claimed in claim 3, it is characterised in that：The vertical rotating mechanism includes two
A column, the lower end of two columns are connected with the top of the crossbeam, the upper ends of two columns respectively with two institutes
Clip is stated to be rotatedly connected.
8. photovoltaic module power test device as claimed in claim 7, it is characterised in that：Two clips are respectively first
The top of clip and the second clip, first clip and a column is equipped with the dial rotated relative to the column,
The dial is fixed with first clip；Bearing, the axis are equipped between second clip and another described column
Hold the medial surface being fixed at the top of the column.
9. photovoltaic module power test device as claimed in claim 8, it is characterised in that：The outside of the dial, which is equipped with, to be referred to
Show that the pointer rod of angle, the pointer rod are fixed on the top of the column, the end of the pointer rod, which is equipped with, is used to indicate angle
The pointer of degree.
10. such as claim 2-9 any one of them photovoltaic module power test devices, it is characterised in that：The U-shaped of the clip
The closing of slot one end, the other end are open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226294.8A CN108282151A (en) | 2018-03-19 | 2018-03-19 | Photovoltaic module power test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226294.8A CN108282151A (en) | 2018-03-19 | 2018-03-19 | Photovoltaic module power test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108282151A true CN108282151A (en) | 2018-07-13 |
Family
ID=62809928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810226294.8A Pending CN108282151A (en) | 2018-03-19 | 2018-03-19 | Photovoltaic module power test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108282151A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708725A (en) * | 2021-10-27 | 2021-11-26 | 太一光伏科技(常州)有限公司 | Photovoltaic module production is with adjusting test equipment |
| WO2023181458A1 (en) * | 2022-03-24 | 2023-09-28 | 株式会社Lixil | Photovoltaic power generation equipment measurement system and photovoltaic power generation equipment measurement method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202868563U (en) * | 2012-11-23 | 2013-04-10 | 浙江海洋学院 | Solar energy utilization device |
| CN207910735U (en) * | 2018-03-19 | 2018-09-25 | 英利能源（中国）有限公司 | photovoltaic module power test device |
-
2018
- 2018-03-19 CN CN201810226294.8A patent/CN108282151A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202868563U (en) * | 2012-11-23 | 2013-04-10 | 浙江海洋学院 | Solar energy utilization device |
| CN207910735U (en) * | 2018-03-19 | 2018-09-25 | 英利能源（中国）有限公司 | photovoltaic module power test device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708725A (en) * | 2021-10-27 | 2021-11-26 | 太一光伏科技(常州)有限公司 | Photovoltaic module production is with adjusting test equipment |
| WO2023181458A1 (en) * | 2022-03-24 | 2023-09-28 | 株式会社Lixil | Photovoltaic power generation equipment measurement system and photovoltaic power generation equipment measurement method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108282151A (en) | Photovoltaic module power test device | |
| CN109270300A (en) | A kind of antenna house test table | |
| JP2019537403A (en) | Variable angle solar cell module outdoor test equipment | |
| CN104330752B (en) | Self-positioning debugging device and method for magnetic field testing sensor | |
| CN208206837U (en) | A kind of Portable alpha ray harmless flaw detector | |
| CN207910735U (en) | photovoltaic module power test device | |
| CN106840393A (en) | Portable field direction spectrum test device | |
| CN202404246U (en) | Portable 4 pi response scale device of gamma detector | |
| CN107681979A (en) | A kind of insulation for solar photovoltaic assembly is pressure-resistant automatic testing equipment | |
| CN203310439U (en) | Integrated measuring instrument for measuring height, azimuth angle and radiation intensity of sun | |
| CN208507166U (en) | A kind of OTP+Demura compensation equipment for OLED display screen | |
| CN216869530U (en) | House settlement detection device | |
| CN206698165U (en) | A kind of adjustable photovoltaic bracket of pitch angle | |
| CN205483626U (en) | Multipurpose body -building apparatus fatigue test appearance | |
| CN105638057A (en) | Field experimental area setting device and method for setting experimental area using device | |
| CN108571937A (en) | Crop leaf measuring fixture | |
| CN106196650B (en) | A kind of collector bracket moment of torsion frame erecting device and its installation, application method | |
| CN202713320U (en) | Radio signal field intensity and direction automatic test system | |
| CN113357990A (en) | Multi-angle size detection device for steel structure splicing piece for assembly type building | |
| CN107680462A (en) | A kind of Optical-Physics Experiment device | |
| CN207586256U (en) | For the rotary frame of semiconductor test apparatus | |
| CN204666543U (en) | Heating arrangement during a kind of thermal testing on-the-spot for glass curtain wall | |
| CN215981706U (en) | Convenient and fast's measuring device for building transformation | |
| CN215682205U (en) | But angle regulation's solar rack | |
| CN113465849B (en) | Synchronous test system for multi-point deflection of bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |