CN211014506U - Portable electric energy quality analyzer - Google Patents
Portable electric energy quality analyzer Download PDFInfo
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- CN211014506U CN211014506U CN201921969250.0U CN201921969250U CN211014506U CN 211014506 U CN211014506 U CN 211014506U CN 201921969250 U CN201921969250 U CN 201921969250U CN 211014506 U CN211014506 U CN 211014506U
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- 238000012545 processing Methods 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 description 8
- 239000004020 conductor Substances 0.000 description 5
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Abstract
The utility model relates to a portable electric energy quality analyzer, which solves the technical problems that the existing electric energy quality analyzer is inconvenient to move, the acquired signal can not be effectively stored, and the power-saving analysis capability of the electric equipment is weaker, and is provided with a signal acquisition module, a power supply module, a human-computer interface and a transmission storage module; the signal acquisition module is simultaneously connected with the human-computer interface, the power supply module and the transmission storage module, and the human-computer interface and the transmission storage module are also simultaneously connected with the power supply module; the signal acquisition module is used for acquiring circuit data and analyzing current, active, reactive, apparent and harmonic content data, the human-computer interface can display the acquired and analyzed current data, the power supply module is used for supplying power to the system, and the transmission and storage module is used for locally storing all data acquired by the signal acquisition module when no network exists and transmitting the data to the cloud platform under the networking condition. The utility model discloses can be in the field of measuring the electrical variable.
Description
Technical Field
The utility model relates to a measure the field of electrical variable, especially relate to a portable electric energy quality analyzer.
Background
With the development of economy and society in China, normal, safe and efficient operation of a power system has very important significance for the healthy development of the economy and the society in China. It is well known that electric power has close relationship and important significance to society and individuals in production and life.
In the practical application process, due to the fact that the current and the voltage are too low and too high, normal use of various electric equipment and service life of the electric equipment are affected, and personal safety is seriously threatened. Therefore, accurate and rapid detection and monitoring of power parameters such as electricity, current, active power, reactive power, power factor, frequency and the like can enable people to master the operation states of power supply lines and equipment in time and discover faults or hidden dangers in a power grid in time, and further reasonable and effective measures are taken to ensure that the power system and the equipment operate well, which is necessary. At present, the existing power quality analyzer is connected with a power grid in real time by acquiring current signals, and cannot be quickly arranged; signals acquired by the electric energy quality analyzer need to be transmitted in real time and cannot be effectively stored; and cannot be installed when the equipment and the power distribution system normally operate.
Disclosure of Invention
The utility model discloses a solve current electric energy quality analyzer and remove inconveniently, the unable effective storage of signal of gathering provides the field connection detection of being convenient for to the more weak technical problem of consumer's power-saving analysis ability simultaneously, but off-line storage power consumption data's portable electric energy quality analyzer.
The utility model provides a portable electric energy quality analyzer, which is provided with a signal acquisition module, a power supply module, a human-computer interface and a transmission and storage module; the signal acquisition module is simultaneously connected with the human-computer interface, the power supply module and the transmission storage module, and the human-computer interface and the transmission storage module are also simultaneously connected with the power supply module; the signal acquisition module is used for acquiring circuit data and analyzing current, active, reactive, apparent and harmonic content data, the human-computer interface can display the acquired and analyzed current data, the power supply module is used for supplying power to the system, the transmission and storage module stores all data of the data acquired by the signal acquisition module locally when no network exists, and the data are transmitted to the cloud platform under the networking condition.
Preferably, the signal acquisition module is provided with a rogowski coil and an integrator for acquiring the current.
Preferably, the portable electric energy quality analyzer can also be connected with a cloud platform, the cloud platform is wirelessly connected with the transmission storage module, the cloud platform can analyze data uploaded by the transmission storage module, and an energy-saving feasibility scheme is automatically analyzed and formulated.
Preferably, the signal acquisition module is provided with a current sampling circuit, a 485 communication circuit, an ADC sampling circuit, an MCU processing unit, a voltage sampling circuit and an auxiliary power supply circuit, wherein the current sampling circuit and the voltage sampling circuit are connected with the ADC sampling circuit, and the ADC sampling circuit is connected with the 485 communication circuit and the auxiliary power supply circuit is connected with the MCU processing unit.
Preferably, the transmission storage module is provided with an MCU processing module, an F L ASH module, an indicator light module, a wireless module, a transceiver module, a clock module, a watchdog module, an antenna and its interface module, and an SIM/UIM card interface module, the F L ASH module, the indicator light module, the wireless module, the transceiver module, the clock module, and the watchdog module are respectively connected with the MCU processing module, and the wireless module is connected with the antenna and its interface module, and the SIM/UIM card interface module.
The utility model has the advantages that:
1. the signal acquisition device of the utility model has simple structure, no direct circuit connection with the tested equipment, safety, stability, reliability, small volume, light weight, convenient disassembly and assembly and convenient carrying;
2. the utility model is provided with a storage module, when no network or network failure exists, the detection signal data can be cached, and the detection signal data can be reported in time after the network is recovered;
3. the utility model discloses can be connected with the high in the clouds platform, fill out the relevant condition of power saving equipment through the backstage, the high in the clouds platform is through carrying out the analysis to the data of uploading, goes out the report automatically, and energy-conserving feasibility scheme book is downloaded to the backstage.
Drawings
FIG. 1 is a schematic diagram of the electrical connection of the present invention;
fig. 2 is a schematic structural diagram of the signal acquisition module of the present invention;
fig. 3 is a schematic structural diagram of the signal transmission storage module of the present invention.
Description of the symbols of the drawings:
1. a signal acquisition module; 2. a human-machine interface; 3. a power supply module; 4. a transmission storage module; 5. and (4) cloud platform.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, so that those skilled in the art can easily implement the present invention.
Example 1: as shown in fig. 1, the utility model discloses be equipped with signal acquisition module 1, human-computer interface 2, power module 3, transmission storage module 4 and cloud platform 5. The human-computer interface 2 and the transmission storage module 4 are simultaneously electrically connected with the signal acquisition module 1, the human-computer interface 2, the transmission storage module 4 and the signal acquisition module 1 are simultaneously electrically connected with the power supply module 3, and the cloud platform 5 is wirelessly connected with the transmission storage module 4.
The signal acquisition module 1 is used for acquiring and analyzing data such as current, voltage, active power, reactive power, apparent power, harmonic content and the like in a circuit; the human-computer interface 2 can display test data, and directly view the voltage, current, active power, dissuasive power, apparent power, power factor, voltage harmonic, current harmonic, voltage current power curve and the like of the tested equipment during detection; the power supply module 3 is used for supplying power to the system, the transmission and storage module 4 is used for transmitting the data acquired by the signal acquisition module 1 to the cloud platform 5 under the condition of network, storing all data locally under the condition of no network, and detecting signal data and uploading the signal data to the cloud platform 5 in time after the network is recovered, so that the data are ensured not to be lost; the cloud platform 5 analyzes the uploaded data, fills in relevant conditions of enterprises through a background, and automatically analyzes and makes an energy-saving feasibility scheme. The report is automatically output, and the energy-saving feasible scheme book is downloaded in the background.
The cloud platform 5 supports viewing of device data on a web or mobile phone terminal, data export and data export, and an analysis report service is hosted in the system and supports functions of uploading condition questionnaire application analysis, uploading analysis reports, downloading analysis reports, triggering mail sending and the like; upon solidification of the analysis report, the system may automatically generate the report, or may automatically generate a body portion of the report.
As shown in fig. 2, the utility model discloses 1 structural schematic of signal acquisition module, its inside voltage sampling circuit, current sampling circuit, ADC sampling circuit, auxiliary power supply circuit, MCU processing circuit and 485 communication circuits of being equipped with. Wherein voltage sampling circuit, current sampling circuit are connected with ADC sampling circuit respectively, and ADC sampling circuit auxiliary power supply circuit, 485 communication circuit are connected in MCU processing circuit respectively.
The voltage sampling circuit is composed of a high-precision divider resistor and a high-precision sampling resistor and is used for collecting voltage parameters in the circuit. The current sampling circuit adopts flexible mutual inductor, be equipped with rogowski coil and integrator, the rogowski coil is soft, it is insulating, moreover, the steam generator is simple in structure, and do not have direct circuit contact between the equipment under test, safety and stability are reliable, small, light in weight, the dismouting of being convenient for, high durability and convenient carrying, rogowski coil theory of operation is that coil skeleton centers on the conductor under test, magnetic field around the conductor can change along with the change of electric current in the conductor, the enameled wire on the skeleton can consequently induce out the electromotive force, according to the mathematics derivation, this electromotive force is directly proportional with the derivative of electric current in the conductor, and the proportionality coefficient is relevant with the coil turn, the skeleton cross section, magnetic permeability etc., can restore the electric current in the conductor after this electromotive. The integrator can restore the measured alternating current by amplifying and integrating the Rogowski coil induced voltage, samples the output signal of the flexible transformer through a high-matching divider resistor, and collects current parameters in the circuit. And the ADC sampling circuit provides data such as active, reactive, apparent and harmonic contents in the full-wave and fundamental wave active electric energy analysis circuit. The auxiliary power supply circuit adopts a high-isolation AC-DC power supply, has high EMC performance index, has a short-circuit protection function and is used for supplying power to the signal acquisition module 1. The MCU processing circuit adopts a 32-bit ARM processor as a core, adopts a high-performance and high-speed AD chip synchronous alternating current sampling, digital filtering and calibration and a reasonable data processing algorithm, and ensures the reliability and accuracy of data; the communication interface, the power supply, the voltage input, the current input, the electric energy pulse output and the like are mutually isolated, so that the reliability of the product is ensured. And the 485 communication circuit is used for the signal acquisition module 1 to perform network communication with other modules.
As shown in fig. 3, the present invention discloses a structural schematic diagram of a transmission storage module 4, which is provided with an MCU processing module, an F L ASH module, an indicator light module, a transceiver module, a watchdog module, a clock module, a wireless module, an SIM/UIM card interface module, an antenna and an interface module thereof, wherein the F L ASH module, the indicator light module, the transceiver module, the watchdog module, the clock module, and the wireless module are respectively connected to the MCU processing module, and the wireless module further comprises an SIM/UIM card interface module, an antenna and an interface module thereof.
The system comprises an MCU processing module, an embedded real-time operating system, a software supporting platform, a communication interface, a power supply, a voltage input, a current input, a pulse output and the like, wherein the MCU processing module adopts a high-performance industrial grade 32-bit communication processor as a core, the embedded real-time operating system is used as the software supporting platform, a high-performance and high-speed AD chip is used for synchronous alternating current sampling, digital filtering and calibration and a reasonable data processing algorithm to ensure the reliability and accuracy of data, the communication interface, the power supply, the voltage input, the current input, the pulse output and the like are mutually isolated, the reliability of a product is ensured, an F L ASH module adopts 32M SPI F L ASh cache to locally store all data under the condition of no network, the detection signal data is uploaded to a cloud platform 5 in time after the network is recovered, an indicator lamp module adopts TT L level output to control the state of an indicator lamp and has a power supply, communication and an online indicator lamp, a transceiver module adopts an industrial terminal interface, is suitable for industrial field application, a 2 road sign RS232 and RS485 interface, can be connected with serial equipment, the interface is internally provided with 15KV ESD protection, a watchdog ESD protection module, a watchdog ESD module adopts a drawer type T gate door design to automatically reset function of resetting a machine, ensures that an SIM is not dead machine, a stable clock system, a clock module, a USB interface is used for generating a wireless clock signal, a USB interface.
The working process of the present invention is described below:
the current transformer of the Rogowski coil in the signal acquisition module 1 is opened, the Rogowski coil is sleeved in a main loop of the tested equipment, a power switch is started, voltage signals acquired by the Rogowski coil are converted into current signals through an integrator, data such as current, active, reactive, apparent and harmonic content of the main loop of the tested equipment are analyzed, the data are collected to the transmission storage module 4, and current power utilization data for detection can be displayed and checked through the human-computer interface 2. When the utility model discloses under the condition that has the net, data collection can direct transmission to cloud platform 5, and cloud platform 5 carries out the analysis to the data that upload, fills in the relevant condition of enterprise through the backstage, and automatic analysis formulates energy-conserving feasibility scheme. The report is automatically sent out, and the energy-saving feasible scheme book is downloaded in the background; when the utility model discloses during unable connecting network, detection data save to transmission storage module 4, retransmit cloud platform 5 when having the network.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the scope defined by the claims of the present invention shall be within the protection scope of the present invention.
Claims (5)
1. A portable electric energy quality analyzer is characterized by being provided with a signal acquisition module, a power supply module, a human-computer interface and a transmission storage module; the signal acquisition module is simultaneously connected with the human-computer interface, the power supply module and the transmission storage module, and the human-computer interface and the transmission storage module are also simultaneously connected with the power supply module; the signal acquisition module is used for acquiring circuit data and analyzing current, active, reactive, apparent and harmonic content data, the human-computer interface can display the acquired and analyzed current data, the power supply module is used for supplying power to the system, and the transmission and storage module is used for locally storing all data acquired by the signal acquisition module when no network exists and transmitting the data to the cloud platform under the networking condition.
2. The portable power quality analyzer of claim 1, wherein the signal collection module is provided with a rogowski coil and an integrator for collecting current.
3. The portable electric energy quality analyzer according to claim 2, wherein the portable electric energy quality analyzer is further capable of being connected with a cloud platform, the cloud platform is wirelessly connected with the transmission storage module, the cloud platform is capable of analyzing data uploaded by the transmission storage module, and an energy-saving feasibility scheme is automatically analyzed and formulated.
4. The portable electric energy quality analyzer according to claim 3, wherein the signal acquisition module is provided with a current sampling circuit, a 485 communication circuit, an ADC sampling circuit, an MCU processing unit, a voltage sampling circuit and an auxiliary power supply circuit, the current sampling circuit and the voltage sampling circuit are connected with the ADC sampling circuit, and the ADC sampling circuit, the 485 communication circuit and the auxiliary power supply circuit are connected with the MCU processing unit.
5. The portable electric energy quality analyzer according to claim 3, wherein the transmission storage module is provided with an MCU processing module, an F L ASH module, an indicator light module, a wireless module, a transceiver module, a clock module, a watchdog module, an antenna and an interface module thereof, and a SIM/UIM card interface module, the F L ASH module, the indicator light module, the wireless module, the transceiver module, the clock module, and the watchdog module are respectively connected with the MCU processing module, and the wireless module is connected with the antenna and the interface module thereof, and the SIM/UIM card interface module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921969250.0U CN211014506U (en) | 2019-11-14 | 2019-11-14 | Portable electric energy quality analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921969250.0U CN211014506U (en) | 2019-11-14 | 2019-11-14 | Portable electric energy quality analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211014506U true CN211014506U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921969250.0U Active CN211014506U (en) | 2019-11-14 | 2019-11-14 | Portable electric energy quality analyzer |
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| Country | Link |
|---|---|
| CN (1) | CN211014506U (en) |
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2019
- 2019-11-14 CN CN201921969250.0U patent/CN211014506U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210602 Address after: Room 1013-1014, building a, 1088 Xinjinqiao Road, Pudong New Area, Shanghai, 201315 Patentee after: Shanghai Zhonghao Energy Technology Co.,Ltd. Address before: No.128, Qingdao Middle Road, Weihai Economic and Technological Development Zone, Shandong Province, 264200 Patentee before: Chen Hao |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240202 Address after: Office Building 820, No. 1300 Jiangqiao Road, Yanshan Township, Bengshan District, Bengbu City, Anhui Province, 233000 Patentee after: Anhui Zhonghao Energy Technology Co.,Ltd. Country or region after: China Address before: Room 1013-1014, Building A, No. 1088 Xinjinqiao Road, Pudong New Area, Shanghai, 201315 Patentee before: Shanghai Zhonghao Energy Technology Co.,Ltd. Country or region before: China |