Insulation resistance tester verification system for interconnection sharing

Abstract

The invention discloses an insulation resistance tester verification system for interconnection sharing, and relates to the technical field of testing. The system comprises an on-site terminal, a cloud end and a shared terminal, the on-site terminal and the shared terminal are connected with the cloud end and upload data of the on-site terminal and the shared terminal to the cloud end, and the on-site terminal is used for realizing remote operation sent from the shared terminal and verifying an insulation resistance tester by using a PLC controller and an intelligent gateway; the cloud is used for storing the collected data information based on a pre-deployed server and realizing storage and query of historical data; and the sharing terminal is used for inputting the operation data of the user based on the upper computer, realizing remote verification control of the insulation resistance tester and generating a verification report. According to the invention, the Internet of Things technology is used, and verification work co-construction and verification data sharing are realized.

Description

Technical Field

[0001] The invention relates to the field of testing technology, and in particular to a verification system of an insulation resistance tester for interconnection and sharing. Background Art

[0002] At present, the verification of insulation resistance testers is sent to metrology technical institutions and completed by technicians of the unit in the laboratory of the metrology technical institution. There are three shortcomings. First, the equipment needs to be sent to the metrology technical institution and is off-duty, which will affect its use to a certain extent. Second, it is completed by technicians of a metrology technical institution. When the technical strength of the metrology technical institution is weak, it is impossible to optimize the technical strength with other metrology technical institutions, which is not convenient for collaboration. Third, the storage security and reliability of the verification data are not strong, which is not convenient for sharing. Summary of the invention

[0003] In order to overcome the above problems or at least partially solve the above problems, the present invention provides an insulation resistance tester calibration system for interconnection and sharing, which uses the Internet of Things technology to achieve joint construction of calibration work and sharing of calibration data.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] The present invention provides an insulation resistance tester verification system for interconnection and sharing, comprising a field terminal, a cloud, and a shared terminal, wherein both the field terminal and the shared terminal are connected to the cloud, and data of the field terminal and the shared terminal are uploaded to the cloud, wherein:

[0006] Field terminal, used to use PLC controller and intelligent gateway to realize remote operation sent from the shared terminal to calibrate the insulation resistance tester;

[0007] The cloud is used to store the collected data information based on the pre-deployed server, and realize the storage and query of historical data;

[0008] The shared terminal is used to input the user's operation data based on the host computer, realize the remote calibration and control of the insulation resistance tester, and generate a calibration report.

[0009] The present invention utilizes the advantages of Internet of Things technology to provide intellectual support for promoting the development of metrological verification work towards on-site and remote development. The on-site terminal utilizes the PLC operating system and the intelligent gateway to realize remote operations sent from the shared terminal. The on-site terminal only requires the assistance of a technical assistant for auxiliary connection. The technical engineer at the shared terminal remotely controls by reading the status and analog quantity information of the PLC input and output relays to realize the verification of the insulation resistance tester. The server is deployed in the cloud to store the collected data and information, realize the storage and query of historical data, and ensure data interconnection and sharing. The shared terminal is operated by a technical engineer on the host computer to complete the verification of the remote megohmmeter, and perform data processing and report generation on the office computer through the Internet.

[0010] Furthermore, the above-mentioned field terminal includes a PLC controller, an intelligent gateway, a voltage testing module and a programmable resistance module, and the intelligent gateway, voltage testing module and programmable resistance module are all connected to the PLC controller; the programmable resistance module is used to provide a standard voltage, and the voltage testing module is used to collect field voltage parameters.

[0011] Furthermore, the above-mentioned field terminal also includes a storage card module, and the storage card module is connected to the PLC controller and is used to store data of the PLC controller.

[0012] Furthermore, the above-mentioned on-site terminal also includes a touch screen, and the touch screen is connected to the PLC controller.

[0013] Furthermore, the above-mentioned PLC controller adopts an S7-200PLC programmable controller, which is connected to the intelligent gateway via an RS-485 network cable.

[0014] Furthermore, the above-mentioned programmable resistance module adopts HS71A programmable precision DC resistance box, which is used to provide standard resistance by setting specific values.

[0015] Furthermore, the voltage test module adopts an AC0606 voltage detection module for collecting voltage parameters on site.

[0016] Furthermore, the above-mentioned intelligent gateway adopts CATCOM-100 intelligent network terminal, which is transparently transmitted to the cloud via wireless 4G.

[0017] Furthermore, the above-mentioned cloud adopts the OneNet cloud platform, deploys the server in the cloud, stores the collected data and information, realizes the storage and query of historical data, and ensures the interconnection and sharing of data.

[0018] The present invention has at least the following advantages or beneficial effects:

[0019] The present invention provides an insulation resistance tester calibration system for interconnection and sharing, which utilizes the advantages of Internet of Things technology to provide intellectual support for promoting the development of metrological calibration work towards on-site and remote operation. The on-site terminal utilizes a PLC operating system and an intelligent gateway to realize remote operations sent from a shared terminal. The on-site terminal only requires the assistance of a technical assistant for auxiliary connection. The technical engineer at the shared terminal remotely controls by reading the status and analog quantity information of the PLC input and output relays to realize the calibration of the insulation resistance tester. The server is deployed in the cloud to store the collected data and information, realize the storage and query of historical data, and ensure data interconnection and sharing. The shared terminal is operated by a technical engineer on a host computer to complete the calibration of the remote megohmmeter, and perform data processing and report generation on an office computer through the Internet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 The present invention is a schematic diagram of an insulation resistance tester verification system for interconnection and sharing according to an embodiment of the present invention. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] In the description of the embodiments of the present invention, "plurality" means at least 2.

[0027] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Example:

[0029] like Figure 1 As shown, an embodiment of the present invention provides an insulation resistance tester calibration system for interconnection and sharing, including a field terminal, a cloud, and a shared terminal, wherein the field terminal and the shared terminal are both connected to the cloud, and the data of the field terminal and the shared terminal are uploaded to the cloud, wherein:

[0030] Field terminal, used to use PLC controller and intelligent gateway to realize remote operation sent from the shared terminal to calibrate the insulation resistance tester;

[0031] The cloud is used to store the collected data information based on the pre-deployed server, and realize the storage and query of historical data;

[0032] The shared terminal is used to input the user's operation data based on the host computer, realize the remote calibration and control of the insulation resistance tester, and generate a calibration report.

[0033] The present invention utilizes the advantages of Internet of Things technology to provide intellectual support for promoting the development of metrological verification work towards on-site and remote development. The on-site terminal utilizes the PLC operating system and the intelligent gateway to realize remote operations sent from the shared terminal. The on-site terminal only requires the assistance of a technical assistant for auxiliary connection. The technical engineer at the shared terminal remotely controls by reading the status and analog quantity information of the PLC input and output relays to realize the verification of the insulation resistance tester. The server is deployed in the cloud to store the collected data and information, realize the storage and query of historical data, and ensure data interconnection and sharing. The shared terminal is operated by a technical engineer on the host computer to complete the verification of the remote megohmmeter, and perform data processing and report generation on the office computer through the Internet.

[0034] In some embodiments of the present invention, the metrological verification items are: indication error and open circuit voltage.

[0035] a) Indication error. The standard measuring tool method is used to calibrate the indication error. According to the calibration points selected for the meter under test (no less than 3 calibration points are selected in each range under test), the programmable resistance setting values ​​are called in sequence, the displayed values ​​of the meter under test are read, and the qualification is determined based on the technical indicators of the indication error of the meter under test.

[0036] b) Open circuit voltage. The voltage value of the meter under test measured by the voltage measurement module is the open circuit voltage of the meter under test. Whether the open circuit voltage is qualified is determined based on the voltage level of the meter under test.

[0037] Based on the present invention, it is possible to integrate the technical strength of different metrology technical institutions, turning the parts into a whole, and achieving 1 plus 1 being greater than 2. The technical assistants of the on-site terminals and the technical engineers of the shared terminals can come from different metrology technical institutions. It is possible to determine whether the technical status of the insulation resistance tester is good at the equipment site, so that the user's equipment can complete the "annual physical examination" without leaving home. The metrology data can be queried anytime and anywhere.

[0038] Furthermore, the above-mentioned field terminal includes a PLC controller, an intelligent gateway, a voltage testing module and a programmable resistance module, and the intelligent gateway, voltage testing module and programmable resistance module are all connected to the PLC controller; the programmable resistance module is used to provide a standard voltage, and the voltage testing module is used to collect field voltage parameters.

[0039] In some embodiments of the present invention, the field terminal utilizes the PLC operating system and the intelligent gateway to realize remote operations sent from the shared terminal. The field terminal only requires the assistance of a technical assistant for auxiliary connection. The technical engineer at the shared terminal remotely controls the programmable resistance module and the voltage test module by reading the status and analog information of the PLC input and output relays to realize the calibration of the digital megohmmeter.

[0040] Furthermore, the above-mentioned field terminal also includes a storage card module, and the storage card module is connected to the PLC controller and is used to store data of the PLC controller.

[0041] Furthermore, the above-mentioned on-site terminal also includes a touch screen, and the touch screen is connected to the PLC controller.

[0042] In some embodiments of the present invention, the user can control the sending of operation instructions by operating the touch screen, which is more convenient to use.

[0043] Furthermore, the above-mentioned PLC controller adopts an S7-200PLC programmable controller, which is connected to the intelligent gateway via an RS-485 network cable.

[0044] Furthermore, the above-mentioned programmable resistance module adopts HS71A programmable precision DC resistance box, which is used to provide standard resistance by setting specific values.

[0045] Furthermore, the voltage test module adopts an AC0606 voltage detection module for collecting voltage parameters on site.

[0046] Furthermore, the above-mentioned intelligent gateway adopts CATCOM-100 intelligent network terminal, which is transparently transmitted to the cloud via wireless 4G.

[0047] Furthermore, the above-mentioned cloud adopts the OneNet cloud platform, deploys the server in the cloud, stores the collected data and information, realizes the storage and query of historical data, and ensures the interconnection and sharing of data.

[0048] In some embodiments of the present invention, the cloud uses China Mobile's OneNet cloud platform, and deploys the server in the cloud to store the collected data and information, realize the storage and query of historical data, and ensure data interconnection and sharing.

[0049] In the embodiments provided in the present application, it should be understood that the disclosed method and system can also be implemented in other ways. The method and system embodiments described above are merely schematic. For example, the flowcharts and block diagrams in the accompanying drawings show the possible architecture, functions and operations of the method and system, method and computer program product according to multiple embodiments of the present application. In this regard, each box in the flowchart or block diagram can represent a module, a program segment or a part of a code, and the module, a program segment or a part of a code contains one or more executable instructions for implementing a specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram and / or the flowchart, and the combination of boxes in the block diagram and / or the flowchart can be implemented with a dedicated hardware-based system that performs a specified function or action, or can be implemented with a combination of dedicated hardware and computer instructions.

[0050] In addition, the functional modules in the various embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.

[0051] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

[0052] It will be apparent to those skilled in the art that the present application is not limited to the details of the exemplary embodiments described above, and that the present application can be implemented in other specific forms without departing from the spirit or essential features of the present application. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present application. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An insulation resistance tester verification system for interconnection sharing, characterized in that: It includes an on-site terminal, a cloud terminal and a shared terminal. The on-site terminal and the shared terminal are both connected to the cloud terminal, and the data of the on-site terminal and the shared terminal are uploaded to the cloud terminal, wherein: Field terminal, used to use PLC controller and intelligent gateway to realize remote operation sent from the shared terminal to calibrate the insulation resistance tester; The cloud is used to store the collected data information based on the pre-deployed server, and realize the storage and query of historical data; The shared terminal is used to input the user's operation data based on the host computer, realize the remote calibration and control of the insulation resistance tester, and generate a calibration report.

2. The insulation resistance tester verification system for interconnection sharing according to claim 1 is characterized in that: The field terminal includes a PLC controller, an intelligent gateway, a voltage test module and a programmable resistance module, and the intelligent gateway, the voltage test module and the programmable resistance module are all connected to the PLC controller; the programmable resistance module is used to provide a standard voltage, and the voltage test module is used to collect field voltage parameters.

3. The insulation resistance tester verification system for interconnection sharing according to claim 2 is characterized in that: The field terminal further comprises a memory card module, which is connected to the PLC controller and is used for storing data of the PLC controller.

4. The insulation resistance tester verification system for interconnection sharing according to claim 2, characterized in that: The on-site terminal also includes a touch screen, and the touch screen is connected to the PLC controller.

5. The insulation resistance tester verification system for interconnection sharing according to claim 2, characterized in that: The PLC controller adopts S7-200PLC programmable controller, which is connected to the intelligent gateway via RS-485 network cable.

6. The insulation resistance tester verification system for interconnection sharing according to claim 2, characterized in that: The programmable resistance module adopts HS71A programmable precision DC resistance box, which is used to provide standard resistance by setting specific values.

7. The insulation resistance tester verification system for interconnection sharing according to claim 2, characterized in that: The voltage test module adopts an AC0606 voltage detection module for collecting voltage parameters on site.

8. The insulation resistance tester verification system for interconnection sharing according to claim 2, characterized in that: The intelligent gateway adopts CATCOM-100 intelligent network terminal, which is transparently transmitted to the cloud via wireless 4G.

9. The insulation resistance tester verification system for interconnection sharing according to claim 1, characterized in that: The cloud uses the OneNet cloud platform, deploys the server in the cloud, stores the collected data and information, realizes the storage and query of historical data, and ensures data interconnection and sharing.

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