Variable frequency heat pump commodity inspection method and system

Abstract

The invention discloses a variable frequency heat pump commodity inspection method and system, and the method comprises the steps: scanning a unit bar code of a variable frequency heat pump unit, and determining whether key parts of the variable frequency heat pump unit are qualified or not according to a scanning result; detecting actual operation data of the variable frequency heat pump unit in different working modes, and comparing the actual operation data with the standard operation data to determine abnormal operation data items; related operation parts of the abnormal operation data items are determined, and potential operation faults and data exception reasons are determined according to the data parameters of the abnormal operation data and the related operation parts; and determining a quality index and a performance index of the variable frequency heat pump unit based on the potential operation fault and the data abnormity reason, and generating a commodity inspection report. According to the technical scheme, comprehensive evaluation and commodity inspection can be carried out on the variable frequency heat pump unit comprehensively through multiple indexes, commodity inspection efficiency, stability and reliability are improved, manual evaluation is not needed, labor cost is reduced, and meanwhile the influence of human subjective factors is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of equipment commercial inspection, and in particular to a commercial inspection method and system for variable frequency heat pumps. Background Art

[0002] At present, with the rapid development of variable frequency heat pump technology, its performance and quality requirements are getting higher and higher. In the mass production process of variable frequency heat pump units, in order to ensure product quality and performance consistency, the products must undergo strict startup and testing before packaging. At present, the common practice is to connect the heat pump unit to the water circuit in the commercial inspection room of the assembly line for online testing. This test method mainly relies on the monitoring of operating parameters such as pressure, current, and water temperature, and judges the qualification of the product through manual comparison. In addition, in order to ensure product quality, some manufacturers will take the products to the laboratory for random inspection according to the proportion required by the national standard after the products are offline, but the random inspection itself is an approximate number and cannot really rule out all the problem machines with unqualified cooling, heating and energy efficiency ratio. However, although the commercial inspection process can screen out some unqualified products to a certain extent, it is impossible to fully ensure that each variable frequency heat pump unit can achieve the expected cooling, heating effect and energy efficiency ratio by random inspection and simple comparison of operating parameters alone. In addition, as a probabilistic method, random inspection cannot completely rule out all potential problems, and the cost of random inspection is high.

[0003] Traditional commodity inspection methods have problems such as low detection efficiency, low accuracy, and large interference from human factors, which are difficult to meet the needs of modern production. Therefore, developing a system that can automatically and intelligently perform commodity inspection on variable frequency heat pump units is of great significance for improving product quality, reducing production costs, and improving production efficiency. Summary of the invention

[0004] In response to the above-mentioned problems, the present invention provides a variable frequency heat pump commercial inspection method and system to solve the problems mentioned in the background technology that the traditional commercial inspection method has low detection efficiency, low accuracy, large interference from human factors, etc., and is difficult to meet the needs of modern production.

[0005] A variable frequency heat pump commercial inspection method comprises the following steps:

[0006] Scan the unit barcode of the variable frequency heat pump unit, and determine whether the key components of the variable frequency heat pump unit are qualified based on the scanning results;

[0007] Detect the actual operating data of the variable frequency heat pump unit under different working modes, and compare the actual operating data with the standard operating data to determine the abnormal operating data items;

[0008] Determine the relevant operating components of the abnormal operating data items, and determine the potential operating failures and causes of data abnormalities based on the data parameters of the abnormal operating data and the relevant operating components;

[0009] Based on potential operating failures and data abnormalities, the quality index and performance index of the variable frequency heat pump unit are determined and a commodity inspection report is generated.

[0010] Preferably, the scanning of the unit barcode of the variable frequency heat pump unit and determining whether the key components of the variable frequency heat pump unit are qualified according to the scanning result include:

[0011] Acquire placement position information of the variable frequency heat pump unit, and determine a scanning trajectory according to the placement position information and structural parameters of the variable frequency heat pump unit;

[0012] Based on the scanning trajectory, use a barcode scanner to scan the unit barcode of the variable frequency heat pump unit, and obtain the current specification and model information of key components according to the scanning results;

[0013] Retrieve preset parameter information of the variable frequency heat pump unit from a pre-entered database, and obtain standard specification model information of key components based on the preset parameter information;

[0014] Compare the standard specification and model information of key components with the current specification and model information, and filter out target key components with unqualified specifications and models based on the comparison results.

[0015] Preferably, the detecting actual operation data of the variable frequency heat pump unit under different operation modes, and comparing the actual operation data with the standard operation data to determine abnormal operation data items, includes:

[0016] Determine the constant conditions of the heat pump unit under different working modes, and configure the water flow parameters and water temperature parameters according to the constant conditions;

[0017] After the configuration is completed, determine the data collection items, select the corresponding sensors according to the data collection items, and use the sensors to detect the actual operating data of the variable frequency heat pump unit in different working modes;

[0018] Extract standard operating data or reasonable operating data range of variable frequency heat pump units in different working modes from the laboratory standard database;

[0019] Confirm whether the actual operation data is the same as the standard operation data or whether the actual operation data is within the reasonable operation data range, and filter out abnormal operation data items based on the confirmation results;

[0020] Among them, constant conditions include constant temperature and constant current.

[0021] Preferably, the determining of the relevant operating components of the abnormal operating data item, and determining the potential operating failure and the cause of the data abnormality according to the data parameters of the abnormal operating data and the relevant operating components, includes:

[0022] Determine the data source of abnormal operation data items, and determine the subject type based on the data source. The subject types include: single component and combined component;

[0023] Determine the relevant operating components of the abnormal operating data item according to the subject type, and obtain the current installation mode of the relevant operating components;

[0024] Determine the reference data parameters of the relevant operating components under the current installation mode, compare the reference data parameters with the data parameters of the abnormal operating data, and if the two are different, determine that the cause of the data abnormality is improper installation of the relevant operating components;

[0025] Determine the connection mode between related operating components, and determine potential operating failures based on the connection mode according to the virtual model of the variable frequency heat pump unit.

[0026] Preferably, the method of determining the quality index and performance index of the variable frequency heat pump unit based on the potential operating failure and data abnormality causes and generating a commodity inspection report includes:

[0027] Obtain evaluation indicators of the quality index and performance index of the variable frequency heat pump unit respectively;

[0028] Determine the index values ​​of the variable frequency heat pump unit under the respective evaluation indicators of the quality index and performance index based on potential operating failures and data abnormalities;

[0029] Determine the quality index and performance index of the variable frequency heat pump unit according to the index value by using preset quality index and performance index calculation rules;

[0030] Determine the comprehensive product qualification of the variable frequency heat pump unit based on the quality index and performance index, obtain unqualified component items and mark the reasons for unqualified to generate a commodity inspection report.

[0031] A variable frequency heat pump commercial inspection system, the system comprising:

[0032] The first determination module is used to scan the unit barcode of the variable frequency heat pump unit and determine whether the key components of the variable frequency heat pump unit are qualified according to the scanning result;

[0033] A comparison module is used to detect the actual operation data of the variable frequency heat pump unit under different working modes, and compare the actual operation data with the standard operation data to determine the abnormal operation data items;

[0034] A second determination module is used to determine the relevant operation components of the abnormal operation data item, and determine the potential operation failure and the cause of the data abnormality according to the data parameters of the abnormal operation data and the relevant operation components;

[0035] The third determination module is used to determine the quality index and performance index of the variable frequency heat pump unit based on potential operating failures and data abnormality causes and generate a commodity inspection report.

[0036] Preferably, the first determining module includes:

[0037] The first determination submodule is used to obtain the placement position information of the variable frequency heat pump unit and determine the scanning trajectory according to the placement position information and the structural parameters of the variable frequency heat pump unit;

[0038] The first acquisition submodule is used to scan the unit barcode of the variable frequency heat pump unit using a barcode scanner based on the scanning trajectory, and obtain the current specification model information of key components according to the scanning results;

[0039] The second acquisition submodule is used to retrieve the preset parameter information of the variable frequency heat pump unit from the pre-entered database, and obtain the standard specification model information of the key components according to the preset parameter information;

[0040] The screening submodule is used to compare the standard specification model information of key components with the current specification model information, and screen out target key components with unqualified specifications and models based on the comparison results.

[0041] Preferably, the comparison module comprises:

[0042] The second determination submodule is used to determine the constant conditions of the heat pump unit under different working modes, and configure the water flow parameters and water temperature parameters according to the constant conditions;

[0043] The first detection submodule is used to determine the data collection items after configuration is completed, select the corresponding sensors according to the data collection items, and detect the actual operation data of the variable frequency heat pump unit in different working modes through the sensors;

[0044] An extraction submodule is used to extract standard operating data or reasonable operating data range of the variable frequency heat pump unit under different working modes from the laboratory standard database;

[0045] The confirmation submodule is used to confirm whether the actual operation data is the same as the standard operation data or whether the actual operation data is within the reasonable operation data range, and filter out abnormal operation data items according to the confirmation results;

[0046] Among them, constant conditions include constant temperature and constant current.

[0047] Preferably, the second determining module includes:

[0048] The third determination submodule is used to determine the data source of the abnormal operation data item, and determine the subject type according to the data source, and the subject type includes: a single component and a combined component;

[0049] A fourth determination submodule is used to determine the relevant operation components of the abnormal operation data item according to the subject type, and obtain the current installation mode of the relevant operation components;

[0050] The fifth determination submodule is used to determine the reference data parameters of the relevant operating components under the current installation mode, compare the reference data parameters with the data parameters of the abnormal operating data, and if the two are different, determine that the cause of the data abnormality is improper installation of the relevant operating components;

[0051] The sixth determination submodule is used to determine the connection mode between relevant operating components and determine potential operating faults based on the connection mode according to the virtual model of the variable frequency heat pump unit.

[0052] Preferably, the third determination module includes:

[0053] The third acquisition submodule is used to respectively obtain evaluation indicators of the quality index and performance index of the variable frequency heat pump unit;

[0054] A seventh determination submodule is used to determine the index value of the variable frequency heat pump unit under the respective evaluation indexes of the quality index and the performance index based on the potential operation fault and the data abnormality cause;

[0055] An eighth determination submodule, configured to determine the quality index and performance index of the variable frequency heat pump unit according to the index value by using preset quality index and performance index calculation rules;

[0056] The generation submodule is used to determine the comprehensive product qualification of the variable frequency heat pump unit according to the quality index and performance index, obtain the unqualified component items and mark the reasons for the unqualified to generate a commodity inspection report.

[0057] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0058] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0060] Figure 1A flow chart of a variable frequency heat pump commercial inspection method provided by the present invention;

[0061] Figure 2 Another working flow chart of a variable frequency heat pump commercial inspection method provided by the present invention;

[0062] Figure 3 A schematic diagram of the structure of a variable frequency heat pump commercial inspection system provided by the present invention;

[0063] Figure 4 This is a structural schematic diagram of a first determination module in a variable frequency heat pump commercial inspection system provided by the present invention. DETAILED DESCRIPTION

[0064] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0065] At present, with the rapid development of variable frequency heat pump technology, its performance and quality requirements are getting higher and higher. In the mass production process of variable frequency heat pump units, in order to ensure product quality and performance consistency, the products must undergo strict startup and testing before packaging. At present, the common practice is to connect the heat pump unit to the water circuit in the commercial inspection room of the assembly line for online testing. This test method mainly relies on the monitoring of operating parameters such as pressure, current, and water temperature, and judges the qualification of the product through manual comparison. In addition, in order to ensure product quality, some manufacturers will take the products to the laboratory for random inspection according to the proportion required by the national standard after the products are offline, but the random inspection itself is an approximate number and cannot really rule out all the problem machines with unqualified cooling, heating and energy efficiency ratio. However, although the commercial inspection process can screen out some unqualified products to a certain extent, it is impossible to fully ensure that each variable frequency heat pump unit can achieve the expected cooling, heating effect and energy efficiency ratio by random inspection and simple comparison of operating parameters alone. In addition, as a probabilistic method, random inspection cannot completely rule out all potential problems, and the cost of random inspection is high.

[0066] Traditional commodity inspection methods have problems such as low detection efficiency, low accuracy, and large interference from human factors, which are difficult to meet the needs of modern production. Therefore, developing a system that can automatically and intelligently perform commodity inspection of variable frequency heat pump units is of great significance for improving product quality, reducing production costs, and improving production efficiency. In order to solve the above problems, this embodiment discloses a commodity inspection method for variable frequency heat pumps based on a dynamic detection method.

[0067] A commercial inspection method for variable frequency heat pumps, such as Figure 1 As shown, the following steps are included:

[0068] Step S101, scanning the unit barcode of the variable frequency heat pump unit, and determining whether the key components of the variable frequency heat pump unit are qualified according to the scanning result;

[0069] Step S102, detecting actual operation data of the variable frequency heat pump unit under different operation modes, and comparing the actual operation data with the standard operation data to determine abnormal operation data items;

[0070] Step S103, determining the relevant operating components of the abnormal operating data items, and determining the potential operating failure and the cause of the data abnormality according to the data parameters of the abnormal operating data and the relevant operating components;

[0071] Step S104: determining the quality index and performance index of the variable frequency heat pump unit based on the potential operating faults and data abnormality causes, and generating a commodity inspection report.

[0072] In this embodiment, the unit barcode is represented by the factory barcode of each component that constitutes the variable frequency heat pump unit;

[0073] In this embodiment, the scanning results are represented by various production information such as the manufacturer, production batch, and production specifications of each component;

[0074] In this embodiment, determining whether the key components are qualified is to determine whether the specifications and functions of the key components and the manufacturers are qualified.

[0075] The working principle of the above technical solution is: scan the unit barcode of the variable frequency heat pump unit, and determine whether the key components of the variable frequency heat pump unit are qualified according to the scanning results; detect the actual operating data of the variable frequency heat pump unit under different working modes, and compare the actual operating data with the standard operating data to determine the abnormal operating data items; determine the relevant operating components of the abnormal operating data items, and determine the potential operating faults and data abnormal causes according to the data parameters of the abnormal operating data and the relevant operating components; determine the quality index and performance index of the variable frequency heat pump unit based on the potential operating faults and data abnormal causes and generate a commodity inspection report.

[0076] The beneficial effects of the above technical solution are: by testing the models and specifications of key components of the variable frequency heat pump unit to ensure the design requirements of the production parts, the use effect and working stability of the variable frequency heat pump unit are maximized. Furthermore, by automatically collecting the actual operating data of the variable frequency heat pump unit and then performing online data comparison through a server or computer to determine equipment abnormalities and faults, the variable frequency heat pump unit can be comprehensively evaluated and inspected through multiple indicators, thereby improving the efficiency, stability and reliability of commercial inspection. There is no need for manual evaluation, which reduces labor costs and avoids the influence of human subjective factors. The traditional commercial inspection methods mentioned in the prior art solve the problems of low detection efficiency, low accuracy, and large interference from human factors, which make it difficult to meet the needs of modern production.

[0077] In one embodiment, Figure 2 As shown, the unit barcode of the variable frequency heat pump unit is scanned, and whether the key components of the variable frequency heat pump unit are qualified is determined according to the scanning result, including:

[0078] Step S201, obtaining placement information of the variable frequency heat pump unit, and determining a scanning trajectory according to the placement information and structural parameters of the variable frequency heat pump unit;

[0079] Step S202: Scan the unit barcode of the variable frequency heat pump unit using a barcode scanner based on the scanning trajectory, and obtain the current specification and model information of key components according to the scanning results;

[0080] Step S203, retrieving preset parameter information of the variable frequency heat pump unit from a pre-entered database, and obtaining standard specification model information of key components according to the preset parameter information;

[0081] Step S204: Compare the standard specification and model information of key components with the current specification and model information, and screen out target key components with unqualified specifications and models according to the comparison results.

[0082] The beneficial effect of the above technical solution is that by determining the scanning trajectory, the barcode scanner can quickly determine the barcode position of each key component and then accurately scan it, thereby improving work efficiency and stability. Furthermore, through online database comparison, the design specifications and models of each component of the variable frequency heat pump unit can be accurately determined through the manufacturer's custom design database, thereby screening out unqualified components, thereby ensuring the data quality and reliability of the reference data.

[0083] In one embodiment, the detecting of actual operation data of the variable frequency heat pump unit in different operation modes and comparing the actual operation data with the standard operation data to determine abnormal operation data items include:

[0084] Determine the constant conditions of the heat pump unit under different working modes, and configure the water flow parameters and water temperature parameters according to the constant conditions;

[0085] After the configuration is completed, determine the data collection items, select the corresponding sensors according to the data collection items, and use the sensors to detect the actual operating data of the variable frequency heat pump unit in different working modes;

[0086] Extract standard operating data or reasonable operating data range of variable frequency heat pump units in different working modes from the laboratory standard database;

[0087] Confirm whether the actual operation data is the same as the standard operation data or whether the actual operation data is within the reasonable operation data range, and filter out abnormal operation data items based on the confirmation results;

[0088] Among them, constant conditions include constant temperature and constant current.

[0089] The beneficial effect of the above technical solution is: by configuring the water flow parameters and water temperature parameters according to constant conditions, a stable working condition can be provided for the variable frequency heat pump unit, thereby ensuring that the subsequent detection data is data under the same working environment, facilitating subsequent comparison and contrast, and ensuring data quality and reliability. Furthermore, by selecting appropriate sensors for data detection, the comprehensiveness and data quality of data detection can be guaranteed, thereby improving work efficiency and practicality.

[0090] In this embodiment, it also includes: determining the effective operation data of the variable frequency heat pump unit in different working modes and building a laboratory standard database, specifically:

[0091] Obtaining the operation statistical characteristics and scene matching parameters of the variable frequency heat pump unit under different working modes, and determining the use condition parameters corresponding to the different working modes of the variable frequency heat pump unit according to the operation statistical characteristics and scene matching parameters;

[0092] Determine the data collection indicators for the variable frequency heat pump unit in different working modes according to the use condition parameters;

[0093] Obtain the index description values ​​of the collected data indicators in different working modes of the variable frequency heat pump unit;

[0094] Construct description value clusters of the same data indicator in different working modes according to the indicator description value, and determine multi-level variable data indicators and single-level unchanged data indicators according to the description value clusters;

[0095] Obtain the data format of the single-level invariant data indicator, and generate a data cleaning template for the single-level invariant data indicator according to the data format;

[0096] Determine the frequency distribution of single-level invariant data indicators within the collected data indicators of the variable frequency heat pump unit under different working modes;

[0097] Determine the effective operation data items of the variable frequency heat pump unit in different working modes according to the frequency distribution;

[0098] Collect standard operating data of the variable frequency heat pump unit under different working modes, clean invalid data in the standard operating data through the data cleaning template, and retain the remaining operating data;

[0099] According to the matching relationship between the data elements of the remaining operation data and the data attributes of the valid operation data items, the remaining operation data are respectively inserted into the valid operation data items and a laboratory standard database is constructed.

[0100] In this embodiment, the operation statistical characteristics are represented by numerical statistical variation characteristics of various operation parameters of the variable frequency heat pump unit operating in different working modes;

[0101] In this embodiment, the scene matching parameters are represented by working scene parameters corresponding to different working modes of the variable frequency heat pump unit;

[0102] The beneficial effects of the above technical solution are as follows: by determining the effective operating data items of the variable frequency heat pump unit under different working modes, the obvious mapping working indicators of the variable frequency heat pump unit under different working modes can be determined and then retained for user reference, overcoming the situation where the same indicators in each mode occupy a large amount of data, so that the staff can quickly and intuitively determine the standard values ​​of the effective working parameters of the variable frequency heat pump unit under different working modes, ensuring the high quality and reference degree of the data in the database, and improving the data reliability and stability.

[0103] In one embodiment, the determining of the relevant operating components of the abnormal operating data item, and determining the potential operating failure and the cause of the data abnormality according to the data parameters of the abnormal operating data and the relevant operating components, includes:

[0104] Determine the data source of abnormal operation data items, and determine the subject type based on the data source. The subject types include: single component and combined component;

[0105] Determine the relevant operating components of the abnormal operating data item according to the subject type, and obtain the current installation mode of the relevant operating components;

[0106] Determine the reference data parameters of the relevant operating components under the current installation mode, compare the reference data parameters with the data parameters of the abnormal operating data, and if the two are different, determine that the cause of the data abnormality is improper installation of the relevant operating components;

[0107] Determine the connection mode between related operating components, and determine potential operating failures based on the connection mode according to the virtual model of the variable frequency heat pump unit.

[0108] The beneficial effect of the above technical solution is that by determining the subject type, it is possible to accurately determine whether each abnormal operation data item is operated by a single component or a combination of multiple components, thereby laying a reference condition for subsequent fault assessment and abnormal cause assessment, and improving practicality and stability.

[0109] In one embodiment, the method of determining the quality index and performance index of the variable frequency heat pump unit based on the potential operating failure and the cause of data abnormality and generating a commodity inspection report includes:

[0110] Obtain evaluation indicators of the quality index and performance index of the variable frequency heat pump unit respectively;

[0111] Determine the index values ​​of the variable frequency heat pump unit under the respective evaluation indicators of the quality index and performance index based on potential operating failures and data abnormalities;

[0112] Determine the quality index and performance index of the variable frequency heat pump unit according to the index value by using preset quality index and performance index calculation rules;

[0113] Determine the comprehensive product qualification of the variable frequency heat pump unit based on the quality index and performance index, obtain unqualified component items and mark the reasons for unqualified to generate a commodity inspection report.

[0114] The beneficial effects of the above technical solution are: according to the potential operating failures and data abnormality reasons, the index values ​​of the variable frequency heat pump unit under the respective evaluation indicators of the quality index and performance index are determined, thereby determining the quality index and performance index of the variable frequency heat pump unit, obtaining the comprehensive product qualification of the variable frequency heat pump unit, and marking the unqualified parts, which can more timely identify and solve potential operating failures, improve the safety and reliability of the variable frequency heat pump unit, and at the same time, marking the unqualified reasons can ensure the safety and quality of the variable frequency heat pump unit. It allows commodity inspection personnel to conduct manual review and equipment maintenance, which improves practicality.

[0115] In one embodiment, this embodiment also discloses a variable frequency heat pump commercial inspection system, such as Figure 3 As shown, the system includes:

[0116] The first determination module 301 is used to scan the unit barcode of the variable frequency heat pump unit and determine whether the key components of the variable frequency heat pump unit are qualified according to the scanning result;

[0117] Comparison module 302, used to detect actual operation data of the variable frequency heat pump unit under different operation modes, and compare the actual operation data with the standard operation data to determine abnormal operation data items;

[0118] The second determination module 303 is used to determine the relevant operation components of the abnormal operation data item, and determine the potential operation fault and the cause of the data abnormality according to the data parameters of the abnormal operation data and the relevant operation components;

[0119] The third determination module 304 is used to determine the quality index and performance index of the variable frequency heat pump unit based on the potential operation fault and the cause of the data abnormality and generate a commodity inspection report.

[0120] The working principle of the above technical solution is: first, the unit barcode of the variable frequency heat pump unit is scanned by the first determination module, and whether the key components of the variable frequency heat pump unit are qualified is determined according to the scanning results; then, the actual operation data of the variable frequency heat pump unit under different working modes is detected based on the comparison module, and the actual operation data and the standard operation data are compared to determine the abnormal operation data items; then, the second determination module is used to determine the relevant operation components of the abnormal operation data items, and the potential operation faults and data abnormal causes are determined according to the data parameters of the abnormal operation data and the relevant operation components; finally, the third determination module is used to determine the quality index and performance index of the variable frequency heat pump unit based on the potential operation faults and data abnormal causes and generate a commodity inspection report.

[0121] The beneficial effects of the above technical solution are: by testing the models and specifications of key components of the variable frequency heat pump unit to ensure the design requirements of the production parts, the use effect and working stability of the variable frequency heat pump unit are maximized. Furthermore, by automatically collecting the actual operating data of the variable frequency heat pump unit and then performing online data comparison through a server or computer to determine equipment abnormalities and faults, the variable frequency heat pump unit can be comprehensively evaluated and inspected through multiple indicators, thereby improving the efficiency, stability and reliability of commercial inspection, eliminating the need for manual evaluation, reducing labor costs and avoiding the influence of human subjective factors.

[0122] In one embodiment, Figure 4 As shown, the first determining module 301 includes:

[0123] The first determination submodule 3011 is used to obtain the placement position information of the variable frequency heat pump unit, and determine the scanning trajectory according to the placement position information and the structural parameters of the variable frequency heat pump unit;

[0124] The first acquisition submodule 3012 is used to scan the unit barcode of the variable frequency heat pump unit using a barcode scanner based on the scanning trajectory, and obtain the current specification model information of the key components according to the scanning result;

[0125] The second acquisition submodule 3013 is used to retrieve preset parameter information of the variable frequency heat pump unit from a pre-entered database, and obtain standard specification model information of key components according to the preset parameter information;

[0126] The screening submodule 3014 is used to compare the standard specification model information of key components with the current specification model information, and screen out target key components with unqualified specifications and models according to the comparison results.

[0127] The beneficial effect of the above technical solution is that by determining the scanning trajectory, the barcode scanner can quickly determine the barcode position of each key component and then accurately scan it, thereby improving work efficiency and stability. Furthermore, through online database comparison, the design specifications and models of each component of the variable frequency heat pump unit can be accurately determined through the manufacturer's custom design database, thereby screening out unqualified components, thereby ensuring the data quality and reliability of the reference data.

[0128] In one embodiment, the comparison module comprises:

[0129] The second determination submodule is used to determine the constant conditions of the heat pump unit under different working modes, and configure the water flow parameters and water temperature parameters according to the constant conditions;

[0130] The first detection submodule is used to determine the data collection items after configuration is completed, select the corresponding sensors according to the data collection items, and detect the actual operation data of the variable frequency heat pump unit in different working modes through the sensors;

[0131] An extraction submodule is used to extract standard operating data or reasonable operating data range of the variable frequency heat pump unit under different working modes from the laboratory standard database;

[0132] The confirmation submodule is used to confirm whether the actual operation data is the same as the standard operation data or whether the actual operation data is within the reasonable operation data range, and filter out abnormal operation data items according to the confirmation results;

[0133] Among them, constant conditions include constant temperature and constant current.

[0134] The beneficial effect of the above technical solution is: by configuring the water flow parameters and water temperature parameters according to constant conditions, a stable working condition can be provided for the variable frequency heat pump unit, thereby ensuring that the subsequent detection data is data under the same working environment, facilitating subsequent comparison and contrast, and ensuring data quality and reliability. Furthermore, by selecting appropriate sensors for data detection, the comprehensiveness and data quality of data detection can be guaranteed, thereby improving work efficiency and practicality.

[0135] In one embodiment, the second determining module includes:

[0136] The third determination submodule is used to determine the data source of the abnormal operation data item, and determine the subject type according to the data source, and the subject type includes: a single component and a combined component;

[0137] A fourth determination submodule is used to determine the relevant operation components of the abnormal operation data item according to the subject type, and obtain the current installation mode of the relevant operation components;

[0138] The fifth determination submodule is used to determine the reference data parameters of the relevant operating components under the current installation mode, compare the reference data parameters with the data parameters of the abnormal operating data, and if the two are different, determine that the cause of the data abnormality is improper installation of the relevant operating components;

[0139] The sixth determination submodule is used to determine the connection mode between relevant operating components and determine potential operating faults based on the connection mode according to the virtual model of the variable frequency heat pump unit.

[0140] The beneficial effect of the above technical solution is that by determining the subject type, it is possible to accurately determine whether each abnormal operation data item is operated by a single component or a combination of multiple components, thereby laying a reference condition for subsequent fault assessment and abnormal cause assessment, and improving practicality and stability.

[0141] In one embodiment, the third determining module includes:

[0142] The third acquisition submodule is used to respectively obtain evaluation indicators of the quality index and performance index of the variable frequency heat pump unit;

[0143] A seventh determination submodule is used to determine the index value of the variable frequency heat pump unit under the respective evaluation indexes of the quality index and the performance index based on the potential operation fault and the data abnormality cause;

[0144] An eighth determination submodule, configured to determine the quality index and performance index of the variable frequency heat pump unit according to the index value by using preset quality index and performance index calculation rules;

[0145] The generation submodule is used to determine the comprehensive product qualification of the variable frequency heat pump unit according to the quality index and performance index, obtain the unqualified component items and mark the reasons for the unqualified to generate a commodity inspection report.

[0146] The beneficial effects of the above technical solution are: according to the potential operating failures and data abnormality reasons, the index values ​​of the variable frequency heat pump unit under the respective evaluation indicators of the quality index and performance index are determined, thereby determining the quality index and performance index of the variable frequency heat pump unit, obtaining the comprehensive product qualification of the variable frequency heat pump unit, and marking the unqualified parts, which can more timely identify and solve potential operating failures, improve the safety and reliability of the variable frequency heat pump unit, and at the same time, marking the unqualified reasons can ensure the safety and quality of the variable frequency heat pump unit. It allows commodity inspection personnel to conduct manual review and equipment maintenance, which improves practicality.

[0147] In one embodiment, the purpose of the present invention is to provide an automatic commodity inspection system for variable frequency heat pump units, which can realize comprehensive, accurate and rapid inspection of variable frequency heat pump units, and improve product quality and inspection efficiency. To achieve the above purpose, the present invention adopts the following technical solutions:

[0148] An automatic commodity inspection system for variable frequency heat pump units includes a sensor for detecting the inlet and outlet water temperature of the pipeline, a flow meter for counting the flow rate, a variable frequency water pump for adjusting the flow rate, an automatic regulating three-way pipeline and three-way valve, a power meter, a commodity inspection computer system for judging parameters, and a constant temperature and humidity commodity inspection room. The system also has the following functions:

[0149] Automatic connection and detection: In the constant temperature and humidity inspection room, the production line detects the variable frequency heat pump unit and the inspection system to connect the water, power supply and 485 communication circuit. By scanning the unit barcode with a barcode scanner, the system automatically calls the corresponding unit preset parameter information in the database and performs relevant comparison processes. The barcode of the key component characteristics and specifications can be compared by scanning to see if they are consistent with the preset.

[0150] Automatic control: The system can automatically turn on the corresponding power supply voltage of the unit and open the rated water flow. At the same time, the system sends relevant control instructions to the unit through RS485, so that the unit can operate in a specific mode, specific frequency, and specific water temperature.

[0151] Dynamic parameter detection: The system monitors and records various parameters of the unit in real time during operation in different modes, including inlet water temperature, outlet water temperature, ambient temperature, coil temperature, compressor operating frequency, operating current, operating voltage, exhaust pressure, expansion valve opening, etc.

[0152] Database comparison: The system compares the actual operating data with the standard data or preset reasonable range through the pre-established laboratory standard database to identify whether there are any differences.

[0153] Alarm and manual review: If it is detected that the data is not within a reasonable range, the system will issue an alarm and notify the commodity inspection personnel to conduct manual review and find out the cause.

[0154] Intelligent judgment: The system can automatically identify whether the variable frequency heat pump unit is working properly, and determine whether there are problems such as defective components or improper installation.

[0155] By setting up an advanced commodity inspection system, we can conduct comprehensive dynamic parameter testing on variable frequency heat pump units to ensure the consistency of product quality and performance.

[0156] If the test data is not within a reasonable range, the system will issue an alarm and the commodity inspection personnel will conduct a manual review and find out the reason. This dynamic parameter detection method can not only accurately detect each key component, but also identify whether there are problems such as defective components or improper installation by comparing actual operation data with standard data.

[0157] The commodity inspection system can identify unqualified products more comprehensively and accurately through dynamic parameter detection, difference comparison and consistency judgment, greatly reducing commodity inspection errors and product unqualified rates. At the same time, it also improves commodity inspection efficiency and detection yield accuracy, providing a strong guarantee for the factory quality of variable frequency heat pump units.

[0158] The technical solution of the present invention can achieve:

[0159] 1) Improve product quality: Through a comprehensive and accurate commodity inspection system, the product quality of variable frequency heat pump units has been significantly improved. This means that consumers can buy more reliable and stable performance heat pump products, thereby improving consumer satisfaction and trust.

[0160] 2) Enhance brand image: The company adopts advanced commodity inspection system, which shows its strict control over product quality and active social responsibility. This helps to enhance the company's brand image and market competitiveness.

[0161] 3) Dynamic parameter detection: By real-time monitoring and recording of various parameters during the operation of the variable frequency heat pump unit, a comprehensive and dynamic evaluation of the unit performance is achieved. This detection method is more accurate and reliable than traditional static detection.

[0162] 4) Database comparison technology: By establishing a laboratory standard database and comparing the actual operation data with the standard data, possible problems in the unit operation process can be quickly identified. This technology improves the accuracy and efficiency of detection.

[0163] 5) Automation and intelligence: The commodity inspection system realizes automation and intelligence of inspection through functions such as code scanning, automatic power-on, and automatic comparison. This not only reduces the tediousness and errors of manual operation, but also improves inspection efficiency.

[0164] 6) Accurate identification technology: By comparing actual operation data with standard data, the commodity inspection system can accurately identify problems such as defective components or improper installation that may exist during the operation of the unit. This technology helps to detect problems in a timely manner and repair them, thereby preventing unqualified products from entering the market.

[0165] In summary, the above methods have produced significant social effects by improving product quality, saving energy and reducing emissions, enhancing brand image and promoting industrial upgrading, and have demonstrated technological innovation in dynamic parameter detection, database comparison technology, automation and intelligence, and precise identification technology.

[0166] Those skilled in the art should understand that the first and second in the present invention merely refer to different application stages.

[0167] Other embodiments of the present disclosure will be readily apparent to those skilled in the art after considering the specification and practicing the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are to be considered exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0168] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A variable frequency heat pump commercial inspection method, characterized in that: The following steps are involved: Scan the unit barcode of the variable frequency heat pump unit, and determine whether the key components of the variable frequency heat pump unit are qualified based on the scanning results; Detect the actual operating data of the variable frequency heat pump unit under different working modes, and compare the actual operating data with the standard operating data to determine the abnormal operating data items; Determine the relevant operating components of the abnormal operating data items, and determine the potential operating failures and causes of data abnormalities based on the data parameters of the abnormal operating data and the relevant operating components; Based on potential operating failures and data abnormalities, the quality index and performance index of the variable frequency heat pump unit are determined and a commodity inspection report is generated.

2. The variable frequency heat pump commercial inspection method according to claim 1, characterized in that: The scanning of the unit barcode of the variable frequency heat pump unit and determining whether the key components of the variable frequency heat pump unit are qualified according to the scanning result include: Acquire placement position information of the variable frequency heat pump unit, and determine a scanning trajectory according to the placement position information and structural parameters of the variable frequency heat pump unit; Based on the scanning trajectory, use a barcode scanner to scan the unit barcode of the variable frequency heat pump unit, and obtain the current specification and model information of key components according to the scanning results; Retrieve preset parameter information of the variable frequency heat pump unit from a pre-entered database, and obtain standard specification model information of key components based on the preset parameter information; Compare the standard specification and model information of key components with the current specification and model information, and filter out target key components with unqualified specifications and models based on the comparison results.

3. The variable frequency heat pump commercial inspection method according to claim 1, characterized in that: The detecting of the actual operation data of the variable frequency heat pump unit under different operation modes and comparing the actual operation data with the standard operation data to determine the abnormal operation data items include: Determine the constant conditions of the heat pump unit under different working modes, and configure the water flow parameters and water temperature parameters according to the constant conditions; After the configuration is completed, determine the data collection items, select the corresponding sensors according to the data collection items, and use the sensors to detect the actual operating data of the variable frequency heat pump unit in different working modes; Extract standard operating data or reasonable operating data range of variable frequency heat pump units in different working modes from the laboratory standard database; Confirm whether the actual operation data is the same as the standard operation data or whether the actual operation data is within the reasonable operation data range, and filter out abnormal operation data items based on the confirmation results; Among them, constant conditions include constant temperature and constant current.

4. The variable frequency heat pump commercial inspection method according to claim 1, characterized in that: The determining of the relevant operating components of the abnormal operating data item, and determining the potential operating failure and the cause of the data abnormality according to the data parameters of the abnormal operating data and the relevant operating components, includes: Determine the data source of abnormal operation data items, and determine the subject type based on the data source. The subject types include: single component and combined component; Determine the relevant operating components of the abnormal operating data item according to the subject type, and obtain the current installation mode of the relevant operating components; Determine the reference data parameters of the relevant operating components under the current installation mode, compare the reference data parameters with the data parameters of the abnormal operating data, and if the two are different, determine that the cause of the data abnormality is improper installation of the relevant operating components; Determine the connection mode between related operating components, and determine potential operating failures based on the connection mode according to the virtual model of the variable frequency heat pump unit.

5. The variable frequency heat pump commercial inspection method according to claim 1, characterized in that: The method of determining the quality index and performance index of the variable frequency heat pump unit based on potential operating failures and data abnormalities and generating a commodity inspection report includes: Obtain evaluation indicators of the quality index and performance index of the variable frequency heat pump unit respectively; Determine the index values ​​of the variable frequency heat pump unit under the respective evaluation indicators of the quality index and performance index based on potential operating failures and data abnormalities; Determine the quality index and performance index of the variable frequency heat pump unit according to the index value by using preset quality index and performance index calculation rules; Determine the comprehensive product qualification of the variable frequency heat pump unit based on the quality index and performance index, obtain unqualified component items and mark the reasons for unqualified to generate a commodity inspection report.

6. A variable frequency heat pump commercial inspection system, characterized in that: The system includes: The first determination module is used to scan the unit barcode of the variable frequency heat pump unit and determine whether the key components of the variable frequency heat pump unit are qualified according to the scanning result; A comparison module is used to detect the actual operation data of the variable frequency heat pump unit under different working modes, and compare the actual operation data with the standard operation data to determine the abnormal operation data items; A second determination module is used to determine the relevant operation components of the abnormal operation data item, and determine the potential operation failure and the cause of the data abnormality according to the data parameters of the abnormal operation data and the relevant operation components; The third determination module is used to determine the quality index and performance index of the variable frequency heat pump unit based on potential operating failures and data abnormality causes and generate a commodity inspection report.

7. The variable frequency heat pump commercial inspection system according to claim 6, characterized in that: The first determining module includes: The first determination submodule is used to obtain the placement position information of the variable frequency heat pump unit and determine the scanning trajectory according to the placement position information and the structural parameters of the variable frequency heat pump unit; The first acquisition submodule is used to scan the unit barcode of the variable frequency heat pump unit using a barcode scanner based on the scanning trajectory, and obtain the current specification model information of key components according to the scanning results; The second acquisition submodule is used to retrieve the preset parameter information of the variable frequency heat pump unit from the pre-entered database, and obtain the standard specification model information of the key components according to the preset parameter information; The screening submodule is used to compare the standard specification model information of key components with the current specification model information, and screen out target key components with unqualified specifications and models based on the comparison results.

8. The variable frequency heat pump commercial inspection system according to claim 6, characterized in that: The comparison module comprises: The second determination submodule is used to determine the constant conditions of the heat pump unit under different working modes, and configure the water flow parameters and water temperature parameters according to the constant conditions; The first detection submodule is used to determine the data collection items after configuration is completed, select the corresponding sensors according to the data collection items, and detect the actual operation data of the variable frequency heat pump unit in different working modes through the sensors; An extraction submodule is used to extract standard operating data or reasonable operating data range of the variable frequency heat pump unit under different working modes from the laboratory standard database; The confirmation submodule is used to confirm whether the actual operation data is the same as the standard operation data or whether the actual operation data is within the reasonable operation data range, and filter out abnormal operation data items according to the confirmation results; Among them, constant conditions include constant temperature and constant current.

9. The variable frequency heat pump commercial inspection method according to claim 6, characterized in that: The second determining module includes: The third determination submodule is used to determine the data source of the abnormal operation data item, and determine the subject type according to the data source, and the subject type includes: a single component and a combined component; A fourth determination submodule is used to determine the relevant operation components of the abnormal operation data item according to the subject type, and obtain the current installation mode of the relevant operation components; The fifth determination submodule is used to determine the reference data parameters of the relevant operating components under the current installation mode, compare the reference data parameters with the data parameters of the abnormal operating data, and if the two are different, determine that the cause of the data abnormality is improper installation of the relevant operating components; The sixth determination submodule is used to determine the connection mode between relevant operating components and determine potential operating faults based on the connection mode according to the virtual model of the variable frequency heat pump unit.

10. The variable frequency heat pump commercial inspection system according to claim 6, characterized in that: The third determining module comprises: The third acquisition submodule is used to respectively obtain evaluation indicators of the quality index and performance index of the variable frequency heat pump unit; A seventh determination submodule is used to determine the index value of the variable frequency heat pump unit under the respective evaluation indexes of the quality index and the performance index based on the potential operation fault and the data abnormality cause; An eighth determination submodule, configured to determine the quality index and performance index of the variable frequency heat pump unit according to the index value by using preset quality index and performance index calculation rules; The generation submodule is used to determine the comprehensive product qualification of the variable frequency heat pump unit according to the quality index and performance index, obtain the unqualified component items and mark the reasons for the unqualified to generate a commodity inspection report.

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