CN206832357U - The natural frequency measurement, device of photovoltaic bracket - Google Patents
The natural frequency measurement, device of photovoltaic bracket Download PDFInfo
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- CN206832357U CN206832357U CN201720667997.5U CN201720667997U CN206832357U CN 206832357 U CN206832357 U CN 206832357U CN 201720667997 U CN201720667997 U CN 201720667997U CN 206832357 U CN206832357 U CN 206832357U
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- photovoltaic bracket
- crossbeam
- photovoltaic
- natural frequency
- frequency measurement
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- 238000005259 measurement Methods 0.000 title claims abstract description 23
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 3
- 238000012360 testing method Methods 0.000 claims description 10
- 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 description 7
- 238000010276 construction Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 description 39
- 238000010998 test method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
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- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a kind of natural frequency measurement, device of photovoltaic bracket, the device includes fixed photovoltaic bracket, and the photovoltaic bracket includes crossbeam and column, and array row is provided with several photovoltaic modulies on the crossbeam；Vibration generating mechanism, it is arranged on one end of the crossbeam, for providing vibration force to the crossbeam；Frequency collection device, it includes the displacement transducer for connecting the photovoltaic module and the column, the transmitter being connected with institute displacement sensors, and the data acquisition unit that the data being used for after transmitter processing are acquired.The utility model is simple in construction, easy for installation, measurement data is accurate, and support is provided to solve the improvement of alternate load and structure that photovoltaic bracket is subjected to.
Description
Technical field
A kind of field of photovoltaic technology is the utility model is related to, for measuring the intrinsic frequency of photovoltaic bracket, passes through measure
Intrinsic frequency solves the alternate load infringement that photovoltaic bracket is subjected to.
Background technology
Photovoltaic bracket is out of doors in use, it is necessary to bear certain load in the presence of strong wind and air pressure；Because of wind direction and
The direction polytropy of air pressure, its caused load on photovoltaic bracket is also alternation.Photovoltaic bracket when by alternate load,
Its support can follow the rotation of rotation girder to produce the vibration of multi-frequency.Intrinsic frequency and this alternating download when photovoltaic bracket
When lotus frequency is equal or close, photovoltaic bracket will be destroyed because reaching resonance state, to solve the production of this alternate load
Raw resonance problem, the intrinsic frequency of photovoltaic bracket need to be first measured, the danger for targetedly solving alternate load based on this
Evil, is even more important so the research to the intrinsic frequency of photovoltaic bracket just seems.
Existing photovoltaic bracket, design examination factor is mostly load-carrying, blast etc..But in actual outdoor use environment, wind
To the double action with air pressure, its execution is not usually simple superposition, at SAP (mechanical analysis dbase) or limited
It can not all be realized in meta analysis, can not more know the intrinsic frequency of photovoltaic bracket system.
Therefore, this programme proposes a kind of natural frequency measurement, device of photovoltaic bracket, accurately measures photovoltaic bracket
Intrinsic frequency, so as to provide design considerations to solve the problems such as alternate load of photovoltaic bracket.
Utility model content
The purpose of this utility model is to provide a kind of natural frequency measurement, device of photovoltaic bracket, accurately measures photovoltaic
The intrinsic frequency of support, so that the alternate load being subjected to solve photovoltaic bracket provides design considerations the problems such as infringement.
The technical scheme that the utility model is provided is as follows：
A kind of natural frequency measurement, device of photovoltaic bracket, including：
Fixed photovoltaic bracket, the photovoltaic bracket include crossbeam and column, and array row is provided with several on the crossbeam
Photovoltaic module；
Vibration generating mechanism, it is arranged on one end of the crossbeam, for providing vibration force to the crossbeam；
Frequency collection device, it includes the displacement transducer for connecting the photovoltaic module and the column, with the displacement
The transmitter that sensor is connected, and the data acquisition unit that the data being used for after transmitter processing are acquired.
In the technical program, by setting a vibration generating mechanism on fixed photovoltaic bracket, using vibrating generation machine
Alternate load suffered by structure simulation photovoltaic bracket.Simultaneously by the displacement transducer in frequency collection device to photovoltaic module
Vibration displacement is detected, and after by transmitter, the data of detection are handled, data acquisition unit is gathered and sent.So
Contribute to technical staff to know the fixed frequency of photovoltaic bracket by the data of collection, and then solve the alternate load of photovoltaic bracket
The problems such as, effectively extend photovoltaic bracket service life.
Preferably, the vibration generating mechanism, including a cantilever beam, one end of the cantilever beam and one end of the crossbeam
Connection, the other end top of the cantilever beam are provided with decelerator；
One end of the decelerator connects a rotatable cantilever weight mechanism, and other end connection one is that the decelerator carries
For the drive device of power, it is set to control the rotating speed of the cantilever weight mechanism.
In the technical program, the vibration generating mechanism of setting specifically includes cantilever beam, and sets on a cantilever beam
Decelerator.The driving force of drive device is transferred to the cantilever weight mechanism of connection by the decelerator of setting, brought it about
Rotate, can effectively drive cantilever weight mechanism to produce larger Oscillation Amplitude, so as to improve to photovoltaic bracket Oscillation Amplitude
Detection efficiency.
Preferably, the drive device is variable speed electric motors, particularly.
In the technical program, the drive device of setting is using variable speed electric motors, particularly, it is therefore an objective to by changing variable speed electric motors, particularly
Rotating speed, so as to obtain different photovoltaic bracket amplitudes, and then photovoltaic bracket is drawn in different photovoltaic bracket amplitudes is obtained
Fixed frequency.
Preferably, a fixed plate is additionally provided with the cantilever beam, the fixed plate is from the cantilever beam away from the crossbeam
One end towards the crossbeam one end be extended, and the fixed plate be provided with several be used for fix the decelerator
Installation position.
In the technical program, a fixed plate is preferably installed on a cantilever beam, passes through several set in fixed plate
Installation position, realizes the fixation to decelerator, and different installation positions meets the adjustment of decelerator fixed position on a cantilever beam, effectively
Ground improves the use range of whole measurement apparatus.
Preferably, one end of the column is connected by an anchor ear with the crossbeam, and the other end is by a pedestal pier and admittedly
Determine face connection.
The technical program central post one end is connected by anchor ear with crossbeam, and the other end is connected by pedestal pier with stationary plane
Connect, it is possible to increase column is with the basis of stationary plane bonding strength, further facilitating the installation of column.
Preferably, the transmitter is integrated in a testing and control case with the data acquisition unit.
In the technical program, transmitter and data acquisition unit are integrated in a testing and control case, it is therefore an objective to which simplification is whole
Body structure, it is easy to carry and use.
Another object of the present utility model is to provide a kind of method of testing of the intrinsic frequency of photovoltaic bracket, and its feature exists
In being tested with the natural frequency measurement, device of foregoing photovoltaic bracket, specific testing procedure includes：
S01, current vibration order is obtained, and vibration force corresponding to current vibration order is provided to crossbeam；
The Oscillation Amplitude of the photovoltaic module of S02, collection on the crossbeam under the vibration force；
S03, the Oscillation Amplitude of collection transmitted to remote server, and stop vibrating；
S04, using the Oscillation Amplitude collected as current vibration amplitude；
S05, judge whether historical vibration amplitude is initial value, if so, then S07, if it is not, then performing S06；
S06, judge whether the current vibration amplitude is more than the historical vibration amplitude, if so, S07 is then held, if it is not,
Then perform S08；
S07, the historical vibration amplitude is updated with current vibration amplitude, and according to default renewal rule, renewal is described to work as
After preceding vibration order, S01 is performed；
S08, the peak swing that the historical vibration amplitude is photovoltaic bracket.
Preferably, in step S08, the peak swing is the vibration frequency of photovoltaic bracket.
Preferably, in step S03, the Oscillation Amplitude of collection is by data acquisition unit with RS485, RS232 or USB
In a kind of mode be sent on the remote server.
A kind of natural frequency measurement, device of photovoltaic bracket provided by the utility model, can bring following at least one
Beneficial effect：
1st, the utility model utilizes vibration generating mechanism by setting a vibration generating mechanism on fixed photovoltaic bracket
Simulate the alternate load suffered by photovoltaic bracket.Photovoltaic module is shaken by the displacement transducer in frequency collection device simultaneously
Dynamic displacement is detected, and after by transmitter, the data of detection are handled, data acquisition unit is gathered and sent.By changing
Become the vibration force size of vibration generating mechanism, after so contributing to multigroup gathered data that technical staff passes through acquisition, therefrom
Know the Oscillation Amplitude of maximum, the fixed frequency of photovoltaic bracket is calculated, so as to solve the problems such as alternate load of photovoltaic bracket,
Effectively extend the service life of photovoltaic bracket.
2nd, larger Oscillation Amplitude can be produced to cantilever beam by the cantilever weight mechanism of setting in the utility model,
So that crossbeam and photovoltaic module produce larger Oscillation Amplitude, the inspection to photovoltaic bracket Oscillation Amplitude is effectively improved
Survey efficiency.
3rd, the variable speed electric motors, particularly set in the utility model can be obtained under different rotating speeds by changing the rotating speed of variable speed electric motors, particularly
Photovoltaic bracket amplitude, simultaneously also by the weight weight in cantilever weight mechanism, and reduce the installation of device on a cantilever beam
Position, the scope of application of whole device is improved, improve utilization rate commercially.
4th, method of testing of the present utility model is simpler, can be collected by current vibration order and historical vibration order
Oscillation Amplitude compare, draw maximum vibration amplitude, be its intrinsic frequency so as to obtain the vibration frequency of whole photovoltaic bracket.
Brief description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to the intrinsic frequency of photovoltaic bracket
Above-mentioned characteristic, technical characteristic, advantage and its implementation of measurement apparatus be further described.
Fig. 1 is shown for the natural frequency measurement, device of photovoltaic bracket in the utility model and the attachment structure of photovoltaic bracket
It is intended to；
Fig. 2 is for the structural representation of the natural frequency measurement, device of photovoltaic bracket in the utility model；
Fig. 3 is for a kind of structural representation of embodiment of the fixation of photovoltaic bracket in the utility model；
Fig. 4 is for the structural representation of another embodiment of the fixation of photovoltaic bracket in the utility model；
Fig. 5 is for the flow chart of the method for testing of the intrinsic frequency of photovoltaic bracket in the utility model.
Drawing reference numeral explanation：
Crossbeam 100；Column 101；Photovoltaic module 102；Anchor ear 103；Bearing 104；Pedestal pier 105；Bearing pin 106；
Vibration generating mechanism 200；Cantilever beam 201；Decelerator 202；Cantilever weight mechanism 203；Swingle 2031；Weight
2032；Variable speed electric motors, particularly 204；
Fixed plate 300；Installation position 301；
Displacement transducer 400.
Embodiment
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, accompanying drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that drawings in the following description are only of the present utility model one
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings, and obtains other embodiments.
To make simplified form, the part related to the utility model, but not generation are only schematically show in each figure
Its practical structures as product of table.
In device embodiment one of the present utility model, referring to shown in Fig. 1-3, the natural frequency measurement, of photovoltaic bracket fills
Put, including fixed photovoltaic bracket, and photovoltaic bracket specifically includes crossbeam 100 and column 101, while array on crossbeam 100
Row is provided with several photovoltaic modulies 102；Vibration generating mechanism 200, it is arranged on one end of crossbeam 100, for crossbeam 100
Vibration force is provided；Frequency collection device, it includes the displacement transducer 400 for connecting photovoltaic module 102 and column 101, with displacement
The transmitter that sensor 400 is connected, and a data acquisition unit being acquired for the data after transmitter is handled.
In actual use, the transmitter of setting and data acquisition unit can be integrated in a testing and control case, so
The structure of whole frequency collection device can be simplified, be also convenient for carrying and use, simplify installation procedure.It can certainly separate and set
Put, specific basis, which is actually needed, does rational selection.
In embodiment one of the present utility model, referring again to shown in Fig. 2, the vibration generating mechanism 200 of setting is specific
One end of cantilever beam 201 is connected with one end of crossbeam 100 including a cantilever beam 201, during actual installation, is provided with above the other end
Decelerator 202.And one end of decelerator 202 connects a rotatable cantilever weight mechanism 203, other end connection one is decelerator
202 provide the drive device of power, it is therefore an objective to drive decelerator 202 by drive device and control cantilever weight mechanism 203
Rotate.Wherein, decelerator 202 is arranged far from one end cantilever beam 201 of crossbeam 100, so in rotatable cantilever weight
In the case that mechanism 203 has constant weight, larger Oscillation Amplitude can be produced to cantilever beam 201 by rotation, so as to
Enough so that crossbeam 100 and photovoltaic module 102 produce larger Oscillation Amplitude.
Certainly in actual use, it should be noted that the drive device set is preferably variable speed electric motors, particularly 204, so pass through
Change change of the rotating speed realization of variable speed electric motors, particularly 204 to photovoltaic bracket Oscillation Amplitude, the light under different rotating speeds may finally be obtained
The Oscillation Amplitude of support is lied prostrate, to draw highest Oscillation Amplitude.
In embodiment two of the present utility model, referring again to shown in Fig. 2, the difference with embodiment one is, in cantilever
Fixed plate 300 is further set on beam, and fixed plate 300 is from the one end of cantilever beam away from crossbeam 100 towards the one of crossbeam 100
What end was extended, while several installation positions 301 for being used to fix decelerator 202 are provided with fixed plate 300, i.e., in fixation
The mounting hole of diverse location is opened up on plate 300, to adjust the distance between decelerator 202 and crossbeam 100, and then can be adjusted
The Oscillation Amplitude size of crossbeam 100.
In two above-mentioned embodiments, the cantilever weight mechanism 203 of setting specifically includes being connected with decelerator 202
Swingle 2031, and the weight 2032 being detachably connected with swingle 2031.Can be in swingle 2031 during actual installation
On be provided for install weight 2032 mounting hole, naturally it is also possible to use connected in a manner of magnetic can also, specific root
Set according to being actually needed, no longer repeated one by one in the application.
In two above-mentioned embodiments, it should be noted that the specific one end of the connected mode of column 101 passes through anchor ear 103
One bearing 104 is attached with crossbeam 100, and the other end is connected by a pedestal pier 105 with stationary plane.Referring specifically to Fig. 2,
Shown in 3.The stability being connected simultaneously for guarantee column 101 with crossbeam 100, column 101 is arranged on to the both ends of crossbeam 100, and
One end end for the crossbeam 100 that vibration generating mechanism 200 is set, so not only facilitate installation, be also convenient for detecting.
Certainly in other examples, referring to shown in Fig. 4, between column 101 and pedestal pier 105 can by one can on
The adjustable plate of lower regulation is attached.Specifically adjustable plate is fixedly connected with pedestal pier 105 by bearing pin 106.Certainly
Other fixed forms can also be used to connect, need to only ensured on the basis of adjustable, realized fixed.
In the embodiment of method of testing of the present utility model, referring specifically to shown in Fig. 5；
A kind of method of testing of the intrinsic frequency of photovoltaic bracket, with the natural frequency measurement, device of above-mentioned photovoltaic bracket
Embodiment tested, specific testing procedure includes：
S01, current vibration order is obtained, and vibration force corresponding to current vibration order is provided to crossbeam 100；
The Oscillation Amplitude of the photovoltaic module 102 of S02, collection on the crossbeam 100 under vibration force；
S03, the Oscillation Amplitude of collection transmitted to remote server, and stop vibrating；
S04, using the Oscillation Amplitude collected as current vibration amplitude；
S05, judge whether historical vibration amplitude is initial value, if so, then S07, if it is not, then performing S06；
S06, judge whether current vibration amplitude is more than historical vibration amplitude, if so, S07 is then held, if it is not, then performing
S08；
S07, historical vibration amplitude is updated with current vibration amplitude, and current vibration is stated according to default renewal rule, renewal
After order, S01 is performed；
S08, the peak swing that historical vibration amplitude is photovoltaic bracket.It would know that in the peak swing for learning photovoltaic bracket
The vibration frequency of photovoltaic bracket, so as to draw the intrinsic frequency of photovoltaic bracket.
Such as：The rotating speed of variable-frequency motor is set in advance as first, second and third order successively from low to high：
When S01, the first order, vibration force is transferred to by crossbeam 100 by cantilever beam, then photovoltaic is transferred to by crossbeam 100
Component 102；
The Oscillation Amplitude of the photovoltaic module 102 of S02, collection on the crossbeam 100 under vibration force；
S03, the Oscillation Amplitude of collection transmitted to remote server, and stop vibration (i.e. variable speed electric motors, particularly 204 is closed, whole
Individual vibration generating mechanism 200 is stopped)；
S04, using the Oscillation Amplitude collected as the first Oscillation Amplitude；Due to there may be existing test vibration amplitude
Data in (i.e. historical vibration amplitude), it is therefore necessary to have and first judge, if data with existing be present；
S05, judge whether historical vibration amplitude is initial value (when being 0 or nothing)：If so, then S07 (will test
One Oscillation Amplitude retains on the server as historical vibration amplitude, and according to default order, when starting the second order, passes through
Vibration force is transferred to crossbeam 100 by cantilever beam, then is transferred to photovoltaic module 102 by crossbeam 100, and one is obtained again from S01-S04
Individual Oscillation Amplitude, as second of Oscillation Amplitude, so executable S06, by second of Oscillation Amplitude and first time Oscillation Amplitude
It is compared, if being greater than first time Oscillation Amplitude, repeatedly S01-S04, when obtaining third time, will be vibrated by cantilever beam again
Power is transferred to crossbeam 100, then is transferred to photovoltaic module 102 by crossbeam 100, as the 3rd Oscillation Amplitude, then performs S06, by
Three Oscillation Amplitudes compared with the second Oscillation Amplitude, the like, until Oscillation Amplitude ratio is preceding once small after measuring, then perform
S08)
If it is not, then perform S06 (i.e. have historical vibration amplitude, can be directly by the first Oscillation Amplitude and historical vibration amplitude
Compare, if being greater than historical vibration amplitude, repeatedly S01-S04, when obtaining second, is passed vibration force by cantilever beam again
Crossbeam 100 is handed to, then photovoltaic module 102 is transferred to by crossbeam 100, as the second Oscillation Amplitude, performs S06, by the second vibration
Amplitude is compared with the first Oscillation Amplitude, ibid, until Oscillation Amplitude ratio is preceding once small after measuring, then performs
S08。
Certainly above-mentioned is only one embodiment, and specific setting order can be according to the rotating speed of variable speed electric motors, particularly 204, or cantilever
The weight of weight mechanism 203, or the one or more in the position between decelerator 202 and crossbeam 100 are adjusted to set, this reality
Just do not repeated one by one with new, it is only necessary to which the Oscillation Amplitude of maximum is obtained by most fast, most efficient method measurement.With
This judges the resonant frequency of photovoltaic bracket and system rigidity, solves photovoltaic bracket alternate load and provides support, while is also light
The Curve guide impeller for lying prostrate support provides support.
In all embodiments of the present utility model, it should be noted that preferably displacement transducer 400 in the utility model
Sensor maximum reciprocating speed be 10m/s, measurement range can be 0-1000mm, and linear precision can reach 0.4%FS, repeat essence
It is -80 DEG C -150 DEG C to spend for 0.01mm, temperature range, and the life-span is up to 10,000,000 times.Transmitter and linear displacement transducer 400
Output end be connected, the output signal of sensor is handled, amplified, meanwhile, transmitter module can carry out real-time to data
It has been shown that, the form of display data can be set as requested.Data from transmitter are acquired by data acquisition unit, are adopted
The channel data of collection module can be selected according to demand, and 2-16 paths can be selected voluntarily.The signal of data acquisition unit can
Computer is sent to by modes such as RS485 or RS232 or USB.Above-mentioned transmitter and data acquisition unit can use same power supply
It is powered, transmitter, data acquisition unit and power supply can be so integrated into a testing and control case, it is easy to carry and use,
Testing and control case is powered using alternating current 220V AC, and there are shift knob, data to show and the function such as power supply instruction.In testing and control
Case is connected with the external world to be easy to using push-in aviation plug or others by the way of plug.Also can be by transmitter, data acquisition
Device, power supply and remote server (i.e. computer) etc. are integrated into a portable control terminal with display function, and exploitation is special
Test software control terminal directly operate.
It should be noted that above-described embodiment can independent assortment as needed.Described above is only of the present utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
- A kind of 1. natural frequency measurement, device of photovoltaic bracket, it is characterised in that including：Fixed photovoltaic bracket, the photovoltaic bracket include crossbeam and column, and array row is provided with several photovoltaics on the crossbeam Component；Vibration generating mechanism, it is arranged on one end of the crossbeam, for providing vibration force to the crossbeam；Frequency collection device, it includes the displacement transducer for connecting the photovoltaic module and the column, with the displacement sensing The transmitter that device is connected, and the data acquisition unit that the data being used for after transmitter processing are acquired.
- 2. the natural frequency measurement, device of photovoltaic bracket according to claim 1, it is characterised in that：The vibration generating mechanism, including a cantilever beam, one end of the cantilever beam are connected with one end of the crossbeam, described outstanding Decelerator is provided with above the other end of arm beam；One end of the decelerator connects a rotatable cantilever weight mechanism, and other end connection one provides dynamic for the decelerator The drive device of power, it is set to control the rotating speed of the cantilever weight mechanism.
- 3. the natural frequency measurement, device of photovoltaic bracket according to claim 2, it is characterised in that：The drive device is variable speed electric motors, particularly.
- 4. the natural frequency measurement, device of photovoltaic bracket according to claim 2, it is characterised in that：It is additionally provided with a fixed plate on the cantilever beam, the fixed plate is from the one end of the cantilever beam away from the crossbeam towards institute State what one end of crossbeam was extended, and the fixed plate is provided with several and is used to fix the installation position of the decelerator.
- 5. the natural frequency measurement, device of photovoltaic bracket according to claim 1, it is characterised in that：One end of the column is connected by an anchor ear with the crossbeam, and the other end is connected by a pedestal pier with stationary plane.
- 6. the natural frequency measurement, device of the photovoltaic bracket according to claim any one of 1-5, it is characterised in that：The transmitter is integrated in a testing and control case with the data acquisition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720667997.5U CN206832357U (en) | 2017-06-09 | 2017-06-09 | The natural frequency measurement, device of photovoltaic bracket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720667997.5U CN206832357U (en) | 2017-06-09 | 2017-06-09 | The natural frequency measurement, device of photovoltaic bracket |
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| Publication Number | Publication Date |
|---|---|
| CN206832357U true CN206832357U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720667997.5U Withdrawn - After Issue CN206832357U (en) | 2017-06-09 | 2017-06-09 | The natural frequency measurement, device of photovoltaic bracket |
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| CN (1) | CN206832357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063448A (en) * | 2017-06-09 | 2017-08-18 | 江苏中信博新能源科技股份有限公司 | A kind of device and method of testing for simulating photovoltaic mount vibration frequency |
-
2017
- 2017-06-09 CN CN201720667997.5U patent/CN206832357U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063448A (en) * | 2017-06-09 | 2017-08-18 | 江苏中信博新能源科技股份有限公司 | A kind of device and method of testing for simulating photovoltaic mount vibration frequency |
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Granted publication date: 20180102 Effective date of abandoning: 20240119 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |