CN116801596B - Intelligent heat dissipation system of photovoltaic inverter - Google Patents
Intelligent heat dissipation system of photovoltaic inverter Download PDFInfo
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- CN116801596B CN116801596B CN202311045184.9A CN202311045184A CN116801596B CN 116801596 B CN116801596 B CN 116801596B CN 202311045184 A CN202311045184 A CN 202311045184A CN 116801596 B CN116801596 B CN 116801596B
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- 230000017525 heat dissipation Effects 0.000 title claims description 201
- 238000009434 installation Methods 0.000 claims abstract description 110
- 230000005855 radiation Effects 0.000 claims abstract description 56
- 238000012545 processing Methods 0.000 claims abstract description 37
- 238000011156 evaluation Methods 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 23
- 238000012423 maintenance Methods 0.000 claims description 18
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 230000005856 abnormality Effects 0.000 claims description 7
- 238000012937 correction Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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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 invention discloses an intelligent heat radiation system of a photovoltaic inverter, which comprises a mounting position acquisition module, a mounting height acquisition module, an external temperature acquisition module, an internal temperature acquisition module, a heat radiation equipment acquisition module, an environment information acquisition module, a data processing module and an information sending module, wherein the mounting height acquisition module is used for acquiring the mounting height of the photovoltaic inverter; the installation position acquisition module is used for acquiring installation environment information, and the installation height acquisition module is used for acquiring installation height information; the heat radiation device acquisition module is used for acquiring heat radiation device information, the external temperature acquisition module is used for acquiring external temperature information of the inverter, and the internal temperature acquisition module is used for acquiring internal temperature information of the inverter. The invention can better and more intelligently dissipate heat of the photovoltaic inverter.
Description
Technical Field
The invention relates to the field of heat dissipation systems, in particular to an intelligent heat dissipation system of a photovoltaic inverter.
Background
The photovoltaic inverter can convert variable direct current voltage generated by the photovoltaic solar panel into alternating current with the mains frequency, and the alternating current can be fed back to a commercial power transmission system or used for an off-grid power grid. The photovoltaic inverter is one of important system balances in a photovoltaic array system, and can be used with common alternating current power supply equipment. The solar inverter has a special function of matching with the photovoltaic array;
when the photovoltaic inverter is used, heat dissipation is needed to be carried out, and the temperature of the photovoltaic inverter is guaranteed, so that a heat dissipation system can be used for controlling the heat dissipation of the photovoltaic inverter.
The existing heat dissipation system has simple heat dissipation management and control functions, and heat dissipation brings certain influence to the use of the safety protection system, so that the intelligent heat dissipation system of the photovoltaic inverter is provided.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: how to solve the problem that the use of the existing safety protection system brings a certain influence because of single protection type and poor protection effect, and provides an intelligent heat dissipation system of a photovoltaic inverter.
The invention solves the technical problems through the following technical scheme that the invention comprises a mounting position acquisition module, a mounting height acquisition module, an external temperature acquisition module, an internal temperature acquisition module, a heat radiation equipment acquisition module, an environment information acquisition module, a data processing module and an information sending module;
the installation position acquisition module is used for acquiring installation environment information, and the installation height acquisition module is used for acquiring installation height information;
the heat radiation device acquisition module is used for acquiring heat radiation device information, the external temperature acquisition module is used for acquiring external temperature information of the inverter, and the internal temperature acquisition module is used for acquiring internal temperature information of the inverter;
the data processing module is used for processing the installation environment information, the installation height information, the heat dissipation equipment information, the external temperature information of the inverter and the internal temperature information of the inverter to generate first heat dissipation information, second heat dissipation information, third heat dissipation information and fourth heat dissipation information;
the information sending module is used for sending the information to a preset receiving terminal after the first heat dissipation information, the second heat dissipation information, the third heat dissipation information and the fourth heat dissipation information are generated.
Further, the first heat dissipation information is heat dissipation evaluation information of a mounting position, the heat dissipation evaluation information of the mounting position comprises suitable mounting information and unsuitable mounting information, and the specific processing procedures of the suitable mounting information and the unsuitable mounting information are as follows: the collected installation position information is extracted, the installation position information comprises the quantity of heat dissipation influence factors of the installation position and the air flow velocity information of the installation position, when the quantity of the heat dissipation influence factors of the installation position is larger than a preset value or the air flow velocity information of the installation position is smaller than a preset value, unsuitable installation information is generated, and when the quantity of the heat dissipation influence factors of the installation position is smaller than the preset value and the air flow velocity information of the installation position is larger than the preset value, suitable installation information is generated.
Further, the heat dissipation influence factors comprise high-temperature equipment quantity information in an installation position warning range and barrier quantity information in the installation position warning range;
the judging process of the installation position warning range is as follows: marking the installation position as a point A, guiding the warning distance R by a user, drawing a circle by taking the warning distance R as a radius and taking the point A as a circle center to obtain a circle Aa, namely obtaining the warning range of the installation position;
the high-temperature equipment judging process in the installation position warning range is as follows: the equipment with the temperature exceeding the preset value in the warning range of the installation position is judged to be high-temperature equipment;
the obstacle judging process in the installation position warning range is as follows: and the object with the installation angle and the water surface angle being larger than the preset value angle is judged to be an obstacle.
The method is characterized in that the second heat dissipation information is heat dissipation equipment mounting information, and the specific processing process of the second heat dissipation information is as follows: and extracting the acquired installation height information, acquiring the air flow rate information of the height, and generating the heat radiation equipment additional information when the air flow rate information of the height is smaller than a preset value, namely generating second heat radiation information.
Further, the heat dissipation device additional information comprises heat dissipation device additional quantity information, the heat dissipation device additional quantity information is in direct proportion to the air flow rate information, and the heat dissipation device additional quantity information is not more than three at most.
The third heat dissipation information includes external heat dissipation control information and internal heat dissipation control information, and the specific processing procedure of the third heat dissipation information is as follows: the method comprises the steps of extracting acquired external temperature information and internal temperature information of an inverter, generating external heat dissipation control information when the external temperature information of the inverter is greater than a preset temperature a1, and generating internal heat dissipation control information when the internal temperature information of the inverter is greater than a preset temperature a2;
when the external temperature information of the inverter is larger than a preset temperature a1, generating external heat dissipation control information and internal heat dissipation control information at the same time when the difference value between the internal temperature information of the inverter and the external temperature information of the inverter is larger than a preset value;
when the internal temperature information of the inverter is larger than a preset temperature a2, generating external heat dissipation control information and internal heat dissipation control information at the same time when the difference value between the external temperature information of the inverter and the internal temperature information of the inverter is larger than a preset value, wherein a1 is larger than a2;
and processing the internal temperature information of the inverter and the external temperature information of the inverter to obtain comprehensive evaluation parameters, and generating external heat dissipation control information and internal heat dissipation control information simultaneously when the comprehensive evaluation parameters are abnormal.
Further, the specific processing process of the comprehensive evaluation parameters and the abnormality judgment of the comprehensive evaluation parameters are as follows; extracting the internal temperature information and the external temperature information of the inverter, marking the internal temperature of the inverter as Q1, marking the external temperature information of the inverter as Q2, giving a correction value W1 to the internal temperature Q1 of the inverter, giving a correction value W2 to the external temperature information Q2 of the inverter, wherein W1 is more than W2, W1 +W2=1, and W2 = Qq is represented by the formula Q1 +W1 +Q2, namely, the comprehensive evaluation parameter Qq is obtained, and when the comprehensive evaluation parameter Qq is larger than a preset value, the comprehensive evaluation parameter Qq is abnormal.
The fourth heat dissipation information is heat dissipation device management and control information, and the heat dissipation device management and control information comprises heat dissipation device maintenance information, heat dissipation device replacement information and heat dissipation device addition information;
the specific processing of the heat dissipation device management and control information is as follows: extracting collected heat radiation equipment information, wherein the heat radiation equipment information comprises fan rotation speed information of heat radiation equipment, heat radiation equipment operation sound information and heat radiation equipment quantity information;
processing fan rotation speed information of the heat radiation equipment to obtain rotation speed evaluation parameters, and generating heat radiation equipment maintenance information when the rotation speed evaluation parameter information is smaller than a preset standard rotation speed evaluation parameter;
after the heat radiation equipment maintenance information generates the preset time length, acquiring the rotation speed evaluation parameter information again, and when the acquired rotation speed evaluation parameter information is still smaller than the preset standard rotation speed evaluation parameter;
performing voiceprint processing on the running sound information of the heat radiation equipment to obtain real-time running voiceprint information, performing similarity comparison on the real-time running voiceprint information and preset standard voiceprint information, generating heat radiation equipment maintenance information when the similarity is smaller than a preset value, acquiring the real-time running voiceprint information again after the heat radiation equipment maintenance information generates a preset time length, and performing similarity comparison on the real-time running voiceprint information and the preset standard voiceprint information, and generating heat radiation equipment maintenance information when the similarity is still smaller than the preset value;
when the internal temperature of the inverter is still greater than a preset value after the heat dissipation equipment in the inverter runs for a preset period of time, generating heat dissipation equipment increasing information, and increasing the heat dissipation equipment in the inverter at the moment;
when the external temperature of the inverter is still greater than a preset value after the heat dissipating device outside the inverter operates for a preset period of time, heat dissipating device increasing information is generated, and at the moment, the heat dissipating device outside the inverter is increased.
Further, the specific processing procedure of the rotation speed evaluation parameter information is as follows: and acquiring fan rotation speed information of the heat dissipation equipment once every preset time, continuously acquiring x times, and then calculating the average value of the fan rotation speed information of the heat dissipation equipment for x times to acquire rotation speed evaluation parameter information.
Compared with the prior art, the invention has the following advantages: this intelligent cooling system of photovoltaic inverter, when carrying out photovoltaic inverter's installation, promptly carry out the analysis of refining to its mounted position, and when finding unusually, in time generate first heat dissipation information and carry out the suggestion, prompt the radiating situation of this position of installer, thereby guarantee the radiating effect of photovoltaic inverter after the installation, through the second heat dissipation information of formation, can in time discover the anomaly of photovoltaic inverter's installation height, when the installation highly unusual and radiating effect has the problem, the second heat dissipation information of timely formation, the radiator installs the information additional and carries out the additional installation of radiator, guarantee the radiating effect of inverter, through monitoring the outside temperature of inverter and the inside temperature of inverter, in time produce corresponding heat dissipation control information when finding unusually, carry out better inverter heat dissipation, through the anomaly of the radiating equipment of finding timely to the radiator of inverter, generate fourth heat dissipation information and manage and control the stability of guaranteeing the photovoltaic inverter, thereby realize the intelligent of carrying out the solar inverter of comprehensive, let this system be worth more popularization and use.
Drawings
Fig. 1 is a system block diagram of the present invention.
Detailed Description
The following describes in detail the examples of the present invention, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
As shown in fig. 1, this embodiment provides a technical solution: an intelligent heat dissipation system of a photovoltaic inverter comprises a mounting position acquisition module, a mounting height acquisition module, an external temperature acquisition module, an internal temperature acquisition module, a heat dissipation device acquisition module, an environment information acquisition module, a data processing module and an information sending module;
the installation position acquisition module is used for acquiring installation environment information, and the installation height acquisition module is used for acquiring installation height information;
the heat radiation device acquisition module is used for acquiring heat radiation device information, the external temperature acquisition module is used for acquiring external temperature information of the inverter, and the internal temperature acquisition module is used for acquiring internal temperature information of the inverter;
the data processing module is used for processing the installation environment information, the installation height information, the heat dissipation equipment information, the external temperature information of the inverter and the internal temperature information of the inverter to generate first heat dissipation information, second heat dissipation information, third heat dissipation information and fourth heat dissipation information;
the information sending module is used for sending the first heat dissipation information, the second heat dissipation information, the third heat dissipation information and the fourth heat dissipation information to a preset receiving terminal after the first heat dissipation information, the second heat dissipation information, the third heat dissipation information and the fourth heat dissipation information are generated;
according to the invention, when the photovoltaic inverter is installed, namely the installation position of the photovoltaic inverter is subjected to refined analysis, when abnormality is found, the first heat dissipation information is timely generated to prompt an installer to heat dissipation conditions of the position, so that the heat dissipation effect of the installed photovoltaic inverter is ensured, the abnormality of the installation height of the photovoltaic inverter can be timely found through the generated second heat dissipation information, when the installation height is abnormal and the heat dissipation effect is problematic, the second heat dissipation information, namely the heat dissipation equipment adding information, is timely generated to carry out the adding of the heat dissipation equipment, the heat dissipation effect of the inverter is ensured, the external temperature of the inverter and the internal temperature of the inverter are monitored, the corresponding heat dissipation control information is timely generated to carry out better heat dissipation of the inverter when abnormality is found, and the abnormality of the heat dissipation equipment of the inverter is timely found, and the fourth heat dissipation information is generated to carry out control so as to ensure the stability of the photovoltaic inverter.
The first heat dissipation information is installation position heat dissipation evaluation information, the installation position heat dissipation evaluation information comprises proper installation information and improper installation information, and the specific processing procedures of the proper installation information and the improper installation information are as follows: extracting the acquired installation position information, wherein the installation position information comprises the quantity of heat dissipation influence factors of the installation position and the air flow rate information of the installation position, generating unsuitable installation information when the quantity of the heat dissipation influence factors of the installation position is larger than a preset value or the air flow rate information of the installation position is smaller than the preset value, and generating suitable installation information when the quantity of the heat dissipation influence factors of the installation position is smaller than the preset value and the air flow rate information of the installation position is larger than the preset value;
through the process, the radiating effect of the installation position of the inverter can be evaluated when the inverter is installed, so that the photovoltaic inverter can be always installed at the position with good radiating effect, and the photovoltaic inverter can be guaranteed to obtain better radiating.
The heat dissipation influence factors comprise high-temperature equipment quantity information in the installation position warning range and barrier quantity information in the installation position warning range, and the quantity of the heat dissipation influence factors is the sum of the high-temperature equipment quantity information in the installation position warning range and the barrier quantity information in the installation position warning range;
the judging process of the installation position warning range is as follows: marking the installation position as a point A, guiding the warning distance R by a user, drawing a circle by taking the warning distance R as a radius and taking the point A as a circle center to obtain a circle Aa, namely obtaining the warning range of the installation position;
the high-temperature equipment judging process in the installation position warning range is as follows: the equipment with the temperature exceeding the preset value in the warning range of the installation position is judged to be high-temperature equipment;
the obstacle judging process in the installation position warning range is as follows: an object with an area larger than a preset value in the warning range of the installation position and an included angle between the installation angle and the water surface larger than the preset value is judged to be an obstacle;
when the quantity information of the high-temperature equipment in the warning range of the installation position is too much, the heat of the high-temperature equipment can influence the heat dissipation of the photovoltaic inverter, so that the photovoltaic inverter needs to be evaluated, and when the quantity information of the obstacles in the warning range of the installation position is too much, the ventilation effect of the installation position of the photovoltaic inverter is poor, so that the heat dissipation of the photovoltaic inverter can be influenced.
The second heat dissipation information is heat dissipation equipment mounting information, and the specific processing process of the second heat dissipation information is as follows: extracting the collected installation height information, collecting the air flow rate information of the height, and generating heat radiation equipment additional information when the air flow rate information of the height is smaller than a preset value, namely generating second heat radiation information; the heat dissipation device additional information comprises heat dissipation device additional quantity information, wherein the heat dissipation device additional quantity information is in direct proportion to the air flow rate information, but the heat dissipation device additional quantity information is not more than three at most;
the installation heights of the photovoltaic inverters are different, and the obtained heat dissipation effect is also different, so that second heat dissipation information is required to be generated according to the real-time condition, namely the heat dissipation equipment is additionally installed in a prompting mode through the heat dissipation equipment additionally installed information, and the stable heat dissipation effect of the photovoltaic inverters is ensured.
The third heat dissipation information comprises external heat dissipation control information and internal heat dissipation control information, and the specific processing process of the third heat dissipation information is as follows: the method comprises the steps of extracting acquired external temperature information and internal temperature information of an inverter, generating external heat dissipation control information when the external temperature information of the inverter is greater than a preset temperature a1, and generating internal heat dissipation control information when the internal temperature information of the inverter is greater than a preset temperature a2;
when the external temperature information of the inverter is larger than a preset temperature a1, generating external heat dissipation control information and internal heat dissipation control information at the same time when the difference value between the internal temperature information of the inverter and the external temperature information of the inverter is larger than a preset value;
when the internal temperature information of the inverter is larger than a preset temperature a2, generating external heat dissipation control information and internal heat dissipation control information at the same time when the difference value between the external temperature information of the inverter and the internal temperature information of the inverter is larger than a preset value, wherein a1 is larger than a2;
the method comprises the steps of processing the internal temperature information of the inverter and the external temperature information of the inverter to obtain comprehensive evaluation parameters, and generating external heat dissipation control information and internal heat dissipation control information simultaneously when the comprehensive evaluation parameters are abnormal;
through the process, the heat dissipation control of the shell of the inverter and the heat dissipation control of the inside of the inverter are intelligently performed, the normal temperature of the shell of the inverter and the normal temperature of the inside of the inverter are ensured, the inverter damage caused by the existence of the shell temperature of the inverter and the temperature of the inside of the inverter is prevented, and the inverter damage caused by the difference of the temperature of the inside and the outside of the inverter is prevented.
The specific processing process of the comprehensive evaluation parameters and the abnormality judgment of the comprehensive evaluation parameters are as follows; extracting internal temperature information and external temperature information of the inverter, marking the internal temperature of the inverter as Q1, marking the external temperature information of the inverter as Q2, giving a correction value W1 to the internal temperature Q1 of the inverter, giving a correction value W2 to the external temperature information Q2 of the inverter, wherein W1 is more than W2, W1+W2=1, and W2 = Qq through a formula Q1 x W1+Q2, namely acquiring a comprehensive evaluation parameter Qq, and when the comprehensive evaluation parameter Qq is larger than a preset value, indicating that the comprehensive evaluation parameter Qq is abnormal;
through the process, a more accurate comprehensive evaluation parameter Qq can be obtained, so that the accuracy of third heat dissipation information generation is ensured.
The fourth heat dissipation information is heat dissipation device management and control information, and the heat dissipation device management and control information comprises heat dissipation device maintenance information, heat dissipation device replacement information and heat dissipation device addition information;
the specific processing of the heat dissipation device management and control information is as follows: extracting collected heat radiation equipment information, wherein the heat radiation equipment information comprises fan rotation speed information of heat radiation equipment, heat radiation equipment operation sound information and heat radiation equipment quantity information;
processing fan rotation speed information of the heat radiation equipment to obtain rotation speed evaluation parameters, and generating heat radiation equipment maintenance information when the rotation speed evaluation parameter information is smaller than a preset standard rotation speed evaluation parameter;
after the heat radiation equipment maintenance information generates the preset time length, acquiring the rotation speed evaluation parameter information again, and when the acquired rotation speed evaluation parameter information is still smaller than the preset standard rotation speed evaluation parameter;
performing voiceprint processing on the running sound information of the heat radiation equipment to obtain real-time running voiceprint information, performing similarity comparison on the real-time running voiceprint information and preset standard voiceprint information, generating heat radiation equipment maintenance information when the similarity is smaller than a preset value, acquiring the real-time running voiceprint information again after the heat radiation equipment maintenance information generates a preset time length, and performing similarity comparison on the real-time running voiceprint information and the preset standard voiceprint information, and generating heat radiation equipment maintenance information when the similarity is still smaller than the preset value;
when the internal temperature of the inverter is still greater than a preset value after the heat dissipation equipment in the inverter runs for a preset period of time, generating heat dissipation equipment increasing information, and increasing the heat dissipation equipment in the inverter at the moment;
when the external temperature of the inverter is still greater than a preset value after the heat radiation equipment outside the inverter runs for a preset period of time, generating heat radiation equipment increasing information, and increasing the heat radiation equipment outside the inverter at the moment;
through the process, the intelligent control of the heat dissipation device on the inverter is realized, the stability of the heat dissipation device is ensured, and the inverter is better cooled.
The specific processing process of the rotational speed evaluation parameter information is as follows: the fan rotating speed information of the heat dissipation equipment is collected once every preset time, x times are continuously collected, and then the average value of the fan rotating speed information of the heat dissipation equipment for x times is calculated to obtain rotating speed evaluation parameter information, wherein x is more than or equal to 10.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (5)
1. The intelligent heat dissipation system of the photovoltaic inverter is characterized by comprising a mounting position acquisition module, a mounting height acquisition module, an external temperature acquisition module, an internal temperature acquisition module, a heat dissipation equipment acquisition module, an environment information acquisition module, a data processing module and an information sending module;
the installation position acquisition module is used for acquiring installation environment information, and the installation height acquisition module is used for acquiring installation height information;
the heat radiation device acquisition module is used for acquiring heat radiation device information, the external temperature acquisition module is used for acquiring external temperature information of the inverter, and the internal temperature acquisition module is used for acquiring internal temperature information of the inverter;
the data processing module is used for processing the installation environment information, the installation height information, the heat dissipation equipment information, the external temperature information of the inverter and the internal temperature information of the inverter to generate first heat dissipation information, second heat dissipation information, third heat dissipation information and fourth heat dissipation information;
the information sending module is used for sending the first heat dissipation information, the second heat dissipation information, the third heat dissipation information and the fourth heat dissipation information to a preset receiving terminal after the first heat dissipation information, the second heat dissipation information, the third heat dissipation information and the fourth heat dissipation information are generated;
the first heat dissipation information is installation position heat dissipation evaluation information, the installation position heat dissipation evaluation information comprises proper installation information and improper installation information, and the specific processing procedures of the proper installation information and the improper installation information are as follows: extracting the acquired installation position information, wherein the installation position information comprises the quantity of heat dissipation influence factors of the installation position and the air flow rate information of the installation position, generating unsuitable installation information when the quantity of the heat dissipation influence factors of the installation position is larger than a preset value or the air flow rate information of the installation position is smaller than the preset value, and generating suitable installation information when the quantity of the heat dissipation influence factors of the installation position is smaller than the preset value and the air flow rate information of the installation position is larger than the preset value;
the second heat dissipation information is heat dissipation equipment mounting information, and the specific processing process of the second heat dissipation information is as follows: extracting the collected installation height information, collecting the air flow rate information of the height, and generating heat radiation equipment additional information when the air flow rate information of the height is smaller than a preset value, namely generating second heat radiation information;
the third heat dissipation information comprises external heat dissipation control information and internal heat dissipation control information, and the specific processing process of the third heat dissipation information is as follows: the method comprises the steps of extracting acquired external temperature information and internal temperature information of an inverter, generating external heat dissipation control information when the external temperature information of the inverter is greater than a preset temperature a1, and generating internal heat dissipation control information when the internal temperature information of the inverter is greater than a preset temperature a2;
when the external temperature information of the inverter is larger than a preset temperature a1, generating external heat dissipation control information and internal heat dissipation control information at the same time when the difference value between the internal temperature information of the inverter and the external temperature information of the inverter is larger than a preset value;
when the internal temperature information of the inverter is larger than a preset temperature a2, generating external heat dissipation control information and internal heat dissipation control information at the same time when the difference value between the external temperature information of the inverter and the internal temperature information of the inverter is larger than a preset value, wherein a1 is larger than a2;
the method comprises the steps of processing the internal temperature information of the inverter and the external temperature information of the inverter to obtain comprehensive evaluation parameters, and generating external heat dissipation control information and internal heat dissipation control information simultaneously when the comprehensive evaluation parameters are abnormal;
the fourth heat dissipation information is heat dissipation device management and control information, and the heat dissipation device management and control information comprises heat dissipation device maintenance information, heat dissipation device replacement information and heat dissipation device addition information;
the specific processing of the heat dissipation device management and control information is as follows: extracting collected heat radiation equipment information, wherein the heat radiation equipment information comprises fan rotation speed information of heat radiation equipment, heat radiation equipment operation sound information and heat radiation equipment quantity information;
processing fan rotation speed information of the heat radiation equipment to obtain rotation speed evaluation parameters, and generating heat radiation equipment maintenance information when the rotation speed evaluation parameter information is smaller than a preset standard rotation speed evaluation parameter;
after the heat radiation equipment maintenance information generates the preset time length, acquiring the rotation speed evaluation parameter information again, and when the acquired rotation speed evaluation parameter information is still smaller than the preset standard rotation speed evaluation parameter;
performing voiceprint processing on the running sound information of the heat radiation equipment to obtain real-time running voiceprint information, performing similarity comparison on the real-time running voiceprint information and preset standard voiceprint information, generating heat radiation equipment maintenance information when the similarity is smaller than a preset value, acquiring the real-time running voiceprint information again after the heat radiation equipment maintenance information generates a preset time length, and performing similarity comparison on the real-time running voiceprint information and the preset standard voiceprint information, and generating heat radiation equipment maintenance information when the similarity is still smaller than the preset value;
when the internal temperature of the inverter is still greater than a preset value after the heat dissipation equipment in the inverter runs for a preset period of time, generating heat dissipation equipment increasing information, and increasing the heat dissipation equipment in the inverter at the moment;
when the external temperature of the inverter is still greater than a preset value after the heat dissipating device outside the inverter operates for a preset period of time, heat dissipating device increasing information is generated, and at the moment, the heat dissipating device outside the inverter is increased.
2. The intelligent heat dissipation system of a photovoltaic inverter of claim 1, wherein: the heat dissipation influence factors comprise high-temperature equipment quantity information in an installation position warning range and barrier quantity information in the installation position warning range;
the judging process of the installation position warning range is as follows: marking the installation position as a point A, guiding the warning distance R by a user, drawing a circle by taking the warning distance R as a radius and taking the point A as a circle center to obtain a circle Aa, namely obtaining the warning range of the installation position;
the high-temperature equipment judging process in the installation position warning range is as follows: the equipment with the temperature exceeding the preset value in the warning range of the installation position is judged to be high-temperature equipment;
the obstacle judging process in the installation position warning range is as follows: and the object with the installation angle and the water surface angle being larger than the preset value angle is judged to be an obstacle.
3. The intelligent heat dissipation system of a photovoltaic inverter of claim 1, wherein: the heat dissipation device additional information comprises heat dissipation device additional quantity information, the heat dissipation device additional quantity information is in direct proportion to the air flow rate information, and the maximum number of the heat dissipation device additional quantity information is not more than three.
4. The intelligent heat dissipation system of a photovoltaic inverter of claim 1, wherein: the specific processing process of the comprehensive evaluation parameters and the abnormality judgment of the comprehensive evaluation parameters are as follows; extracting the internal temperature information and the external temperature information of the inverter, marking the internal temperature of the inverter as Q1, marking the external temperature information of the inverter as Q2, giving a correction value W1 to the internal temperature Q1 of the inverter, giving a correction value W2 to the external temperature information Q2 of the inverter, wherein W1 is more than W2, W1 +W2=1, and W2 = Qq is represented by the formula Q1 +W1 +Q2, namely, the comprehensive evaluation parameter Qq is obtained, and when the comprehensive evaluation parameter Qq is larger than a preset value, the comprehensive evaluation parameter Qq is abnormal.
5. The intelligent heat dissipation system of a photovoltaic inverter of claim 1, wherein: the specific processing process of the rotational speed evaluation parameter information is as follows: and acquiring fan rotation speed information of the heat dissipation equipment once every preset time, continuously acquiring x times, and then calculating the average value of the fan rotation speed information of the heat dissipation equipment for x times to acquire rotation speed evaluation parameter information.
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