CN214621745U - Photovoltaic tracker drive arrangement life-span test system - Google Patents
Photovoltaic tracker drive arrangement life-span test system Download PDFInfo
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- CN214621745U CN214621745U CN202120808914.6U CN202120808914U CN214621745U CN 214621745 U CN214621745 U CN 214621745U CN 202120808914 U CN202120808914 U CN 202120808914U CN 214621745 U CN214621745 U CN 214621745U
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Abstract
The utility model relates to a photovoltaic equipment tests technical field, discloses a photovoltaic tracker drive arrangement life-span test system, and it includes: the testing device comprises a plurality of testing devices, a driving device and a control device, wherein each testing device is provided with the driving device; the control device is respectively connected with the plurality of driving devices and is used for controlling the driving devices to simulate actual running states; the signal acquisition devices are respectively connected with the plurality of driving devices and are used for acquiring current signals in the operation of the driving devices; and the processor is in communication connection with the signal acquisition device and is used for processing and displaying the current signal. The utility model discloses in, simulation photovoltaic tracking drive device system actual application condition, the operation with higher speed, a plurality of drive arrangement's of real-time supervision operating current state data to realize drive arrangement's life-span test.
Description
Technical Field
The utility model relates to a photovoltaic equipment tests technical field, especially relates to a photovoltaic tracker drive arrangement life-span test system.
Background
Photovoltaic power generation is a technology of directly converting light energy into electric energy by using the photovoltaic effect of a semiconductor interface. The key element of the technology is a solar cell, the solar cells are connected in series and then are packaged and protected to form a large-area solar cell module, and the photovoltaic power generation device is formed by matching with components such as a power controller and the like. In order to fully utilize solar energy resources and achieve the maximum power generation efficiency of the solar module, a photovoltaic tracker is usually adopted to adjust the angle of the solar module in time.
In a photovoltaic tracking system, the service life of a photovoltaic tracker driving device can be tested by testing the current of the driving device, but the current data monitoring of the photovoltaic tracker driving device is manually monitored or singly monitored according to an ammeter, the operation data of a plurality of driving devices cannot be automatically monitored and stored in real time at the same time, and the testing efficiency is low.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a photovoltaic tracker drive arrangement life-span test system simulates photovoltaic tracking drive arrangement system actual application condition, moves with higher speed, and a plurality of drive arrangement's of real-time supervision operating current state data to realize drive arrangement's life-span test.
The utility model provides a technical scheme as follows:
a photovoltaic tracker drive arrangement life test system, comprising:
the device comprises a plurality of testing devices, a driving device to be tested and a control device, wherein each testing device is provided with the driving device to be tested;
the control device is respectively connected with the plurality of driving devices and is used for controlling the driving devices to simulate actual running states;
the signal acquisition devices are respectively connected with the plurality of driving devices and are used for acquiring current signals in the operation of the driving devices;
and the processor is in communication connection with the signal acquisition device and is used for processing and displaying the current signal.
In the technical scheme, the control device synchronously controls the plurality of driving devices to simulate the actual operation condition of the photovoltaic tracker driving device in the actual operation on the testing device, the signal acquisition device respectively acquires current signals of the plurality of driving devices in the operation process in the process of simulating the actual operation condition, the current signals are recorded and calculated through the processor, and the service life progress of the current driving device is calculated and displayed.
Further preferably, the method further comprises the following steps: a wireless communication module;
the driving device is in communication connection with the processor through the wireless communication module.
In the technical scheme, the wireless communication module can be a Lora module, the Lora module is a long-distance wireless communication module based on LPWAN, a LORAWAN standard protocol is supported, serial port data is transmitted through two-way communication, and the Lora technology has the characteristics of long distance, low power consumption, multiple nodes and low cost and can provide safe two-way communication with long data transmission distance based on a LoRaWAN network.
Further preferably, the method further comprises the following steps: a direct current power supply;
the direct current power supply is connected with the driving device and used for supplying power to the driving device.
Further preferably, the test device comprises:
the main beam is sleeved in the driving device and serves as an output shaft, a plurality of rows of transmission arms are vertically connected to the main beam, and each transmission arm is connected with a load unit;
the driving device drives the main beam to drive the transmission arm to synchronously rotate under a load working condition so as to realize simulation of the actual running state of the driving device.
Further preferably, the load unit comprises a first load unit and a second load unit, the first load unit is suspended at one end of the transmission arm, and the second load unit is connected with the other end of the transmission arm through a fixed pulley;
the fixed pulley and the transmission arm which are connected with each other are positioned in the same vertical plane, and the position of the fixed pulley in the vertical plane is higher than that of the transmission arm.
Further preferably, the center of the transmission arm is fixed to the main beam, and the first load unit and the second load unit at the two ends of the same transmission arm have the same weight.
Further preferably, the testing apparatus further comprises:
the top end of each first upright post is rotatably connected with the main beam;
the top ends of the second upright columns are respectively fixedly connected with the cross beam, and the fixed pulleys are fixed on the cross beam.
In the technical scheme, the testing device can simulate the characteristics of the driving device and verify the service life of the driving device in stages, so that the service life of the driving device is verified fully and accurately, and the expected effect is achieved.
Further preferably, the driving device comprises a motor and a slewing reducer, and the slewing reducer is arranged at the driving end of the motor.
Further preferably, the control device comprises a single chip microcomputer and an inclination angle sensor, wherein the inclination angle sensor is connected with the output end of the rotary speed reducer and is used for acquiring the real-time rotation angle of the rotary speed reducer;
the single chip microcomputer is respectively electrically connected with the inclination angle sensor and the rotary speed reducer and is used for controlling the rotation of the rotary speed reducer according to the real-time rotary angle.
Further preferably, the control device further comprises two limit switches, the two limit switches are respectively arranged on two sides of the transmission arm of the testing device and used for limiting the rotation angle of the transmission arm of the testing device, and the limit switches are connected with the single chip microcomputer and used for controlling the positive and negative rotation of the motor through the single chip microcomputer.
In the technical scheme, a single chip microcomputer outputs an instruction to a motor to drive a main beam to rotate, correspondingly drives a transmission arm to synchronously rotate under a load working condition, when a rotary speed reducer operates to a maximum or minimum tracking angle, a limit switch is triggered, the single chip microcomputer receives a feedback pulse signal of the limit switch and controls a direct current motor of the rotary speed reducer to rotate forward and backward, and therefore the actual operation condition of the rotary speed reducer of a photovoltaic tracking system in actual operation is simulated; in the process of simulating the actual operation condition, the signal acquisition device is utilized to monitor the maximum operation current of the rotary speed reducer within the preset time in real time, the processor is used for recording and calculating the current signal, and the service life progress of the current driving device is calculated and displayed through the display device.
Compared with the prior art, the utility model discloses a photovoltaic tracker drive arrangement life-span test system beneficial effect lies in:
the utility model discloses in, the actual motion condition of a plurality of drive arrangement of controlling means synchro control photovoltaic tracker drive arrangement in the actual motion simulates on testing arrangement, and at the in-process of simulation actual motion operating mode, signal acquisition device gathers the current signal of a plurality of drive arrangement in-service respectively, records and calculates current signal through the treater to the life-span progress that will calculate current drive arrangement shows.
Drawings
The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.
Fig. 1 is a structural framework diagram of a system for testing the service life of a photovoltaic tracker driving apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a testing device according to another embodiment of the present invention.
The reference numbers illustrate:
1. the device comprises a testing device, 11. a driving device, 111. a motor, 112. a rotary speed reducer, 12. a main beam, 13. a transmission arm, 14. a first load unit, 15. a second load unit, 16. a fixed pulley, 17. a first upright post, 18. a second upright post, 19. a cross beam, 2. a control device, 21. a single chip microcomputer, 22. an inclination angle sensor, 23. a limit switch, 3. a signal acquisition device, 4. a processor and 5. a display device.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
As a specific embodiment, as shown in fig. 1, the present embodiment provides a system for testing the lifetime of a photovoltaic tracker driving apparatus, including: the device comprises a plurality of testing devices 1, a control device 2, a signal acquisition device 3, a processor 4 and a display device 5. Each testing device 1 is provided with a driving device 11, and the control device 2 is connected with a plurality of driving devices 11 respectively and used for controlling the driving devices 11 to simulate actual running states. The signal acquisition device 3 is in wireless communication connection with the plurality of driving devices 11 through the lora module respectively, and is used for acquiring current signals of the driving devices 11 in operation. The processor 4 is in communication connection with the signal acquisition device 3 and is used for processing the current signal. The display device 5 is connected to the processor 4 for displaying the processed data.
In this embodiment, the control device 2 synchronously controls the plurality of driving devices 11 to simulate the actual operation condition of the photovoltaic tracker driving device in the actual operation on the testing device 1, and in the process of simulating the actual operation condition, the signal acquisition device 3 respectively acquires current signals of the plurality of driving devices 11 in the operation, records and calculates the current signals through the processor 4, and displays the calculated current service life progress of the driving devices 11 through the display device 5.
Specifically, the signal collecting device 3 is a sensor, an instrument or a meter capable of collecting current signals during the operation of the mobile device 11. The display device 5 may be a display screen, a touch screen or a display of the processor 4 itself. The processor 4 is internally provided with a data processing component, a real-time monitoring component and an information intelligent analysis processing component for detecting the operation data of the driving device 11. For example: the processor 4 automatically and circularly monitors and records the running current of the driving device 11 in real time, automatically screens out the maximum current value in the current ten minutes, calculates the target service life progress of the driving device 11 and displays the target service life progress on a screen. Or by an automated software control system provided on the processor 4. The method for calculating the service life of the driving device 11 can be predicted by the maximum current value, generally speaking, as the working life of the driving device 11 increases, the operating current of the driving device will become larger and larger, and when the operating current exceeds a certain preset value, the current of the driving device can be judged to be unqualified, that is, the service life of the driving device is terminated; the processor 4 can perform calculation comparison through a plurality of groups of data to obtain a curve of the operating current and the service life of the driving device, so as to predict and judge the fault of the driving device 11 and display the fault by the display device 5. The processor 4 predicts and judges faults of the driving device 11 and displays the faults through the display device 5, so that the labor amount of workers can be reduced, the time cost can be effectively reduced, and the detection efficiency is improved.
Further, photovoltaic tracker drive arrangement life-span test system still includes: and the direct current power supply is connected with the driving device 11 and is used for supplying power to the driving device 11. The driving device 11 is in communication connection with the processor 4 through a wireless communication module. The wireless communication module can be the Lora module, and the Lora module is long distance wireless communication module based on LPWAN, supports LORAWAN standard protocol, and serial ports data passes through two-way communication, and the Lora technique has long distance, low-power consumption, multinode, the low-cost characteristic can provide safe data transmission distance far away two-way communication based on the network of LoRaWAN.
In another embodiment, as shown in fig. 2, on the basis of the above embodiment, the testing apparatus includes: a main beam 12 serving as an output shaft and sleeved in the driving device 11, wherein the main beam 12 is vertically connected with a plurality of rows of transmission arms 13, and each transmission arm 13 is connected with a load unit; the driving device 11 drives the main beam 12 to drive the transmission arm 13 to synchronously rotate under the load working condition, so that the simulation of the actual running state of the driving device 11 is realized.
The driving device 11 includes a motor 111 and a rotation reducer 112, the rotation reducer 112 is disposed at a driving end of the motor 111, and the main beam 12 is sleeved in the rotation reducer 112 and serves as an output shaft. The load unit includes a first load unit 14 and a second load unit 15, the first load unit 14 is suspended at one end of the transmission arm 13, and the second load unit 15 is connected to the other end of the transmission arm 13 through a fixed pulley 16. The fixed pulley 16 and the driving arm 13 connected to each other are located in the same vertical plane, and the fixed pulley 16 is located higher than the driving arm 13 in the vertical plane. The center of the transmission arm 13 is fixed on the main beam 12, and the first load unit 14 and the second load unit 15 at two ends of the same transmission arm 13 have the same weight.
Further, as shown in fig. 2, the testing apparatus further includes: a plurality of first stand 17 that the interval set up and a plurality of second stand 18 that the interval set up, the top of every first stand 17 rotates with girder 12 respectively and is connected, the top of every second stand 18 respectively with crossbeam 19 fixed connection, fixed pulley 16 is fixed on crossbeam 19.
In this embodiment, the testing device 1 can simulate the actual operation condition of the driving device 11, so as to accelerate the operation, so that the driving device 11 can complete the 50-year life in a short time, and verify whether the operation wear life of the driving device reaches the comprehensive current data and the operation state in the process of designing the requirement.
In another embodiment, as shown in fig. 1 and fig. 2, on the basis of the above embodiments, the control device 2 includes a single chip 21 and an inclination sensor 22, and the inclination sensor 22 is connected to an output end of the slewing reducer 112 and is used for acquiring a real-time slewing angle of the slewing reducer 112. The single chip 21 is electrically connected to the tilt sensor 22 and the rotation reducer 112, respectively, and is configured to control rotation of the rotation reducer 112 according to the real-time rotation angle.
Further, the control device 2 further comprises two limit switches 23, the two limit switches 23 are respectively arranged on two sides of the transmission arm 13 of the testing device 1 and used for limiting the rotation angle of the transmission arm 13 of the testing device 1, and the limit switches 23 are connected with the single chip microcomputer 21 and used for controlling the forward and reverse rotation of the motor 111 through the single chip microcomputer 21.
In this embodiment, the control device 2 supplies power by using 220V alternating current, outputs an instruction to the rotary speed reducer 112 through the single chip microcomputer 21, drives the main beam 12 to rotate, correspondingly drives the transmission arm 13 to synchronously rotate under a load working condition, triggers the limit switch 23 when the rotary speed reducer 112 runs to a maximum or minimum tracking angle, receives a feedback pulse signal of the limit switch 23 by the single chip microcomputer 21, and controls the direct current motor of the rotary speed reducer 112 to rotate forward and backward, so that the actual running condition of the rotary speed reducer 112 of the photovoltaic tracking system in actual running is simulated; in the process of simulating the actual operation condition, the signal acquisition device 3 is used for monitoring the maximum operation current of the rotary speed reducer 112 within the preset time in real time, the processor 4 is used for recording and calculating the current signal, and the service life progress of the current driving device 11 is calculated and displayed through the display device 5.
In practical application, the photovoltaic tracker is used for realizing driving by tracking sun tracking actually, loads with different proportions are loaded to operate at rated output torque of the rotary speed reducer, the operating angle of the rotary speed reducer is set to be +/-60 degrees, a continuous operation program is adopted, when the rotary speed reducer operates to the maximum tracking angle, the limit switch is triggered, the single chip microcomputer receives a limit protection signal and controls the direct current motor of the rotary speed reducer to rotate forwards and backwards, the cycle operating time is set to be 24min, the 50-year service life of the rotary speed reducer operates for 18250 cycles, the system operates for 0.16 year in one day, the system automatically monitors and records the motor operating current in a real-time cycle mode, the maximum current value within ten minutes is automatically screened, and the target service life progress of the current driving device is automatically calculated and displayed on a screen.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A photovoltaic tracker drive arrangement life-span test system characterized by, includes:
the device comprises a plurality of testing devices, a driving device to be tested and a control device, wherein each testing device is provided with the driving device to be tested;
the control device is respectively connected with the plurality of driving devices and is used for controlling the driving devices to simulate actual running states;
the signal acquisition devices are respectively connected with the plurality of driving devices and are used for acquiring current signals in the operation of the driving devices;
and the processor is in communication connection with the signal acquisition device and is used for processing and displaying the current signal.
2. The photovoltaic tracker drive apparatus life test system of claim 1, further comprising: a wireless communication module;
the driving device is in communication connection with the processor through the wireless communication module.
3. The photovoltaic tracker drive apparatus life test system of claim 1, further comprising: a direct current power supply;
the direct current power supply is connected with the driving device and used for supplying power to the driving device.
4. The photovoltaic tracker drive apparatus life test system of claim 1, wherein the test apparatus comprises:
the main beam is sleeved in the driving device and serves as an output shaft, a plurality of rows of transmission arms are vertically connected to the main beam, and each transmission arm is connected with a load unit;
the driving device drives the main beam to drive the transmission arm to synchronously rotate under a load working condition so as to realize simulation of the actual running state of the driving device.
5. The photovoltaic tracker drive apparatus life test system of claim 4, wherein:
the load unit comprises a first load unit and a second load unit, the first load unit is hung at one end of the transmission arm, and the second load unit is connected with the other end of the transmission arm through a fixed pulley;
the fixed pulley and the transmission arm which are connected with each other are positioned in the same vertical plane, and the position of the fixed pulley in the vertical plane is higher than that of the transmission arm.
6. The photovoltaic tracker drive apparatus life test system of claim 5, wherein:
the center of the transmission arm is fixed on the main beam, and the first load unit and the second load unit which are positioned at the two ends of the same transmission arm have the same weight.
7. The photovoltaic tracker drive apparatus life test system of claim 5, wherein the test apparatus further comprises:
the top end of each first upright post is rotatably connected with the main beam;
the top ends of the second upright columns are respectively fixedly connected with the cross beam, and the fixed pulleys are fixed on the cross beam.
8. The photovoltaic tracker drive apparatus life test system of claim 1, wherein:
the driving device comprises a motor and a rotary speed reducer, and the rotary speed reducer is arranged at the driving end of the motor.
9. The photovoltaic tracker drive apparatus life test system of claim 8, wherein:
the control device comprises a single chip microcomputer and an inclination angle sensor, and the inclination angle sensor is connected with the output end of the rotary speed reducer and used for acquiring the real-time rotary angle of the rotary speed reducer;
the single chip microcomputer is respectively electrically connected with the inclination angle sensor and the rotary speed reducer and is used for controlling the rotation of the rotary speed reducer according to the real-time rotary angle.
10. The photovoltaic tracker drive apparatus life test system of claim 9, wherein:
the control device further comprises two limit switches which are respectively arranged on two sides of the transmission arm of the testing device and used for limiting the rotation angle of the transmission arm of the testing device, and the limit switches are connected with the single chip microcomputer and used for controlling the positive and negative rotation of the motor through the single chip microcomputer.
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| CN202120808914.6U CN214621745U (en) | 2021-04-20 | 2021-04-20 | Photovoltaic tracker drive arrangement life-span test system |
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| CN202120808914.6U CN214621745U (en) | 2021-04-20 | 2021-04-20 | Photovoltaic tracker drive arrangement life-span test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280477A (en) * | 2021-12-24 | 2022-04-05 | 兰州飞行控制有限责任公司 | Driving device service life testing system and testing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280477A (en) * | 2021-12-24 | 2022-04-05 | 兰州飞行控制有限责任公司 | Driving device service life testing system and testing method |
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