CN220207754U - Electric wire netting equipment overhauls handheld machine - Google Patents
Electric wire netting equipment overhauls handheld machine Download PDFInfo
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- CN220207754U CN220207754U CN202320736423.4U CN202320736423U CN220207754U CN 220207754 U CN220207754 U CN 220207754U CN 202320736423 U CN202320736423 U CN 202320736423U CN 220207754 U CN220207754 U CN 220207754U
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- 238000012360 testing method Methods 0.000 description 21
- 238000012423 maintenance Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
- 238000011897 real-time detection Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
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- 229910002056 binary alloy Inorganic materials 0.000 description 1
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Abstract
The utility model provides a power grid equipment overhaul handset, which comprises: an embedded operating system, a top terminal, a processor, and hardware devices; the hardware device is respectively connected with the top terminal and the processor; the top terminal is connected with the equipment to be detected, and is used for inputting an analog signal and preset parameters which are generated in advance by the handset into the equipment to be detected; the top terminal is also used for collecting to-be-detected data of to-be-detected equipment and sending the to-be-detected data to the embedded operating system; the embedded operating system is operated in the processor, and the processor is arranged in the handheld machine and is used for carrying out equipment diagnosis, information retrieval, real-time protection and detection on equipment to be detected through the embedded operating system based on the data to be detected.
Description
Technical Field
The utility model relates to the field of automatic detection of power distribution, in particular to a handheld machine for overhauling power grid equipment.
Background
The equipment maintenance of the traditional power grid is generally realized by operating the equipment body and interrupting power supply, and the equipment state is judged by testing the primary side.
However, the overload test, especially the short circuit test, can have adverse effects on the service life of the product, and the conventional power grid equipment maintenance at present has the problems that the equipment maintenance is not deep enough and whether the detection is successful or not can only be judged by means of the feedback result of the equipment.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a power grid equipment maintenance handset, which comprises: an embedded operating system, a top terminal, a processor, and hardware devices;
the hardware device is respectively connected with the top terminal and the processor;
the top terminal is connected with the equipment to be detected, and is used for inputting an analog signal and preset parameters which are generated in advance by the handset into the equipment to be detected;
the top terminal is also used for collecting to-be-detected data of to-be-detected equipment and sending the to-be-detected data to the embedded operating system;
the embedded operating system is operated in a processor, and the processor is installed in the handheld machine and is used for carrying out equipment diagnosis, information retrieval, real-time protection and detection on equipment to be detected through the embedded operating system based on the data to be detected;
wherein the analog signal and the preset parameter are set by a hardware device of the handset.
Preferably, the top terminal includes at least one or more of the following: RS485, CAN, DA analog output and AD analog input.
Preferably, the hardware device at least includes one or more of the following: handset housing, liquid crystal screen, touch screen, camera, battery, RAM and ROM.
Preferably, the storage capacity of the RAM is 1GB; the storage capacity of the ROM is 4GB.
Preferably, the liquid crystal screen is 5.5 inches.
Compared with the closest prior art, the utility model has the following beneficial effects:
1. the utility model provides a power grid equipment overhaul handset, comprising: an embedded operating system, a top terminal, a processor, and hardware devices; the hardware device is respectively connected with the top terminal and the processor; the top terminal is connected with the equipment to be detected, and is used for inputting an analog signal and preset parameters which are generated in advance by the handset into the equipment to be detected; the top terminal is also used for collecting to-be-detected data of to-be-detected equipment and sending the to-be-detected data to the embedded operating system; the embedded operating system is operated in a processor, and the processor is installed in the handheld machine and is used for carrying out equipment diagnosis, information retrieval, real-time protection and detection on equipment to be detected through the embedded operating system based on the data to be detected; the utility model solves the problems that overload test, especially short circuit test, can adversely affect the service life of products, overhaul is not deep enough, whether detection is successful or not can only be judged by means of device feedback results, and the like.
2. The utility model can complete various tests such as overvoltage, undervoltage, overcurrent, underfrequency, phase failure and the like by injecting signals into the equipment to be tested to replace one-time input, thereby solving the problems of difficult one-time input test and the like of the traditional power grid equipment.
3. The utility model integrates multiple functions of equipment diagnosis, equipment maintenance, equipment data acquisition, equipment configuration and the like.
4. The utility model can lead the maintenance handheld equipment to be convenient to carry and operate, and has great value in the field of equipment maintenance.
Drawings
Fig. 1 is a schematic structural connection diagram of a power grid equipment maintenance handset provided by the utility model;
fig. 2 is a software and hardware distribution block diagram of a power grid equipment maintenance handset provided by the utility model;
FIG. 3 is a schematic view of a 24P top terminal provided by the present utility model;
fig. 4 is a hardware block diagram of the power grid equipment maintenance handset provided by the utility model;
FIG. 5 is a schematic diagram of a 24P top terminal function provided by the present utility model;
FIG. 6 is a flow chart of a testing method of a power grid equipment maintenance handset provided by the utility model;
fig. 7 is a schematic diagram of a device diagnosis flow in a testing method of a power grid device maintenance handset provided by the utility model;
FIG. 8 is a schematic diagram of an equipment diagnosis interface in a testing method of a power grid equipment maintenance handset provided by the utility model;
fig. 9 is a schematic diagram of a real-time protection interface in a testing method of a power grid equipment maintenance handset provided by the utility model;
fig. 10 is a schematic diagram of a real-time protection flow in a testing method of a power grid equipment maintenance handset provided by the utility model;
reference numerals illustrate: 1-a handset; 2-top terminals; a 3-processor; 4-an embedded operating system; 5-hardware device.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Example 1:
as shown in fig. 1, the power grid equipment maintenance handset provided by the present utility model includes: an embedded operating system, a top terminal, a processor, and hardware devices;
the hardware device is respectively connected with the top terminal and the processor;
the top terminal is connected with the equipment to be detected, and is used for inputting an analog signal and preset parameters which are generated in advance by the handset into the equipment to be detected;
the top terminal is also used for collecting to-be-detected data of to-be-detected equipment and sending the to-be-detected data to the embedded operating system;
the embedded operating system is operated in a processor, and the processor is installed in the handheld machine and is used for carrying out equipment diagnosis, information retrieval, real-time protection and detection on equipment to be detected through the embedded operating system based on the data to be detected;
wherein the analog signal and the preset parameter are set by a hardware device of the handset.
As shown in fig. 2, the handset is divided into two parts of software and hardware, the software is divided into two levels of an embedded operating system and user application, the embedded operating system is cut independently, the system resource occupancy rate is low, the operation efficiency is high, and long-time stable operation can be supported;
the hardware is mainly a processor and external equipment accessed to the processor through various interaction interfaces;
the method comprises the steps of obtaining data to be detected for an existing overhaul equipment body, analyzing and calculating the data to be detected, and accordingly performing equipment diagnosis, information retrieval, real-time protection, detection and other operations on the equipment to be detected.
Specifically, the top terminal at least comprises one or more of the following peripherals: RS485, CAN, DA analog output and AD analog input;
as shown in fig. 3, the top terminal is 24P, through which the handset can be connected with the equipment to be detected, so as to realize real-time data acquisition, data analysis, equipment configuration and the like on site;
as shown in fig. 4, the handset communicates with the device to be tested through an RS485 or CAN interface in the top terminal, simulates a primary signal converted by the transformer by generating 8 paths of analog signals, and judges the current loop state of the device to be tested by collecting 8 paths of analog signals;
wherein, the function description of the 24P top terminal is shown in FIG. 5.
Specifically, the hardware device at least includes one or more of the following hardware devices: the mobile phone comprises a handheld machine shell, a liquid crystal screen, a touch screen, a camera, a battery, a RAM and a ROM;
the screen and the touch screen of the equipment are used for interacting with the outside, and the 500W camera is used for recording the field environment. RAM and ROM are the running memory and data storage space of the embedded system.
Specifically, the storage capacity of the RAM is 1GB; the storage capacity of the ROM is 4GB.
Specifically, the liquid crystal screen is 5.5 inches.
Example 2:
as shown in fig. 6, the test method of the power grid equipment maintenance handset provided by the utility model comprises the following steps:
step 1: inputting an analog signal and preset parameters which are generated in advance by the hand-held machine into the equipment to be detected through a top terminal of the hand-held machine;
step 2: collecting to-be-detected data of to-be-detected equipment through the top terminal, and sending the to-be-detected data to an embedded operating system of the handset;
step 3: based on the data to be detected, performing equipment diagnosis, information retrieval, real-time protection and real-time detection on equipment to be detected through the embedded operating system;
wherein the analog signal and the preset parameter are set by a hardware device of the handset.
Specifically, the preset parameters in the step 1 include one or more of the following parameters: current and voltage.
Specifically, the embedded operating system at least includes one or more of the following modules: the device comprises a device diagnosis module, an information retrieval module, a real-time protection module and a real-time detection module.
Specifically, the step 3 includes:
based on the data to be detected, performing equipment interaction, data detection and parameter configuration with the equipment to be detected through the real-time detection module;
based on the equipment interaction, data detection and parameter configuration, carrying out information inquiry on the equipment to be detected through the information retrieval module to obtain an inquiry result;
determining whether the equipment to be detected has faults or not through the equipment diagnosis module according to the query result;
and when the equipment to be detected fails, the real-time protection module starts equipment protection.
Specifically, in the step 3, when the device to be detected fails, the real-time protection module starts device protection, including:
when the equipment to be detected fails, the real-time protection module acquires the equipment model of the equipment to be detected;
performing equipment matching according to the equipment model, and selecting a protection model corresponding to the equipment model;
and performing protection calculation on the equipment to be detected through the protection model, obtaining a calculation result, and starting equipment protection according to the calculation result.
In one particular embodiment:
when the equipment diagnosis module works, equipment supporting the test function is matched. After the handset is connected with the equipment to be tested, analog voltage and current signals tested by the equipment to be tested are required to be combined into a supported equipment body;
the handheld terminal selects different test types such as overvoltage, undervoltage, overcurrent and the like, and needs to set parameters such as test voltage values, test current values, test phases and the like corresponding to A, B and C;
wherein A, B, C only represents three-phase parameters, which may be a-phase voltage, B-phase voltage, C-phase voltage, a-phase current, B-phase current, C-phase current; the analog signal is changed so as to test the device, and the test flow is shown in fig. 7.
Handset 24P is connected to the device by a custom cable that contains communications and analog signals. The communication part is responsible for carrying out data interaction with the equipment and informing the equipment of needing to pay attention to the incorporation of analog signals, wherein the analog signals are used for simulating voltage, current, phase information and the like corresponding to the A, B, C three phases;
the analog signals are used for simulating signals of voltage, current, phase and the like corresponding to the current test types A, B and C.
As shown in fig. 8, the interface of the handset is shown, and the interface can set A, B, C three-phase voltage, amplitude, phase and the like of the current analog signal, and after setting, clicking starts the test, the output analog signal of the handset changes.
The information retrieval module is mainly used for inquiring a built-in database, and the database stores equipment information of different types for inspection by overhaulers. The module consists of a database and format rendering;
the database is a relational database supporting pictures and binary systems. The format is rendered into a PDF engine, and the pictures and the words can be presented to the screen in a PDF form according to typesetting.
The real-time protection module is used for temporarily bearing the protection unit during equipment damage maintenance, continuously collecting line voltage, current and phase information during the operation of the real-time protection module, and continuously analyzing whether faults occur or not;
the real-time protection function ensures that the equipment maintenance protection is not interrupted, and has great significance on the power supply safety. The data sources needed for real-time protection are all from the equipment, so that the equipment is needed to be matched and realized.
The real-time protection module is used for real-time protecting the circuit based on the powerful processor performance of the handheld machine and analyzing data in real time. The protection module interface is shown in fig. 9.
In order to improve the accuracy of real-time protection, the system adopts different operation models according to different types of equipment, and the operation process is shown in the following figure 10.
The real-time detection module is mainly used for carrying out data detection and parameter configuration on equipment accessed through RS485 or CAN. The module has the main difficulty of self-adaption of different protocols;
the handheld device is built with various communication protocols and device communication models based on strong computing power, for example, after being accessed through RS485, the handheld device firstly requires a user to select an access device model, and then the handheld device automatically selects a corresponding communication protocol and device model according to the model to interact with the device.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of protection thereof, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that various changes, modifications or equivalents may be made to the specific embodiments of the application after reading the present utility model, and these changes, modifications or equivalents are within the scope of protection of the claims appended hereto.
Claims (5)
1. A power grid equipment servicing handset, comprising: an embedded operating system, a top terminal, a processor, and hardware devices;
the hardware device is respectively connected with the top terminal and the processor;
the top terminal is connected with the equipment to be detected, and is used for inputting an analog signal and preset parameters which are generated in advance by the handset into the equipment to be detected;
the top terminal is also used for collecting to-be-detected data of to-be-detected equipment and sending the to-be-detected data to the embedded operating system;
the embedded operating system is operated in a processor, and the processor is installed in the handheld machine and is used for carrying out equipment diagnosis, information retrieval, real-time protection and detection on equipment to be detected through the embedded operating system based on the data to be detected;
wherein the analog signal and the preset parameter are set by a hardware device of the handset.
2. The handset of claim 1, wherein the top terminal comprises at least one or more of the following: RS485, CAN, DA analog output and AD analog input.
3. The handset of claim 1, wherein the hardware devices comprise at least one or more of the following: handset housing, liquid crystal screen, touch screen, camera, battery, RAM and ROM.
4. The handset of claim 3 wherein the RAM has a storage capacity of 1GB; the storage capacity of the ROM is 4GB.
5. A handset according to claim 3 wherein the liquid crystal screen is 5.5 inches.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320736423.4U CN220207754U (en) | 2023-04-06 | 2023-04-06 | Electric wire netting equipment overhauls handheld machine |
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Application Number | Priority Date | Filing Date | Title |
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CN202320736423.4U CN220207754U (en) | 2023-04-06 | 2023-04-06 | Electric wire netting equipment overhauls handheld machine |
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CN220207754U true CN220207754U (en) | 2023-12-19 |
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CN202320736423.4U Active CN220207754U (en) | 2023-04-06 | 2023-04-06 | Electric wire netting equipment overhauls handheld machine |
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- 2023-04-06 CN CN202320736423.4U patent/CN220207754U/en active Active
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