CN209280821U - A kind of outer electric energy quality monitoring, recording instrument of household portable - Google Patents
A kind of outer electric energy quality monitoring, recording instrument of household portable Download PDFInfo
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- CN209280821U CN209280821U CN201821853211.XU CN201821853211U CN209280821U CN 209280821 U CN209280821 U CN 209280821U CN 201821853211 U CN201821853211 U CN 201821853211U CN 209280821 U CN209280821 U CN 209280821U
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- cabinet
- data acquisition
- acquisition processing
- processing circuit
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Abstract
A kind of outer electric energy quality monitoring, recording instrument of household portable, including instrument container, its main feature is that, instrument container is hinged with case lid by cabinet, fixed grab is flexibly connected with lock fixed on case lid on cabinet, handle is hinged on cabinet, voltage is equipped in the rear end of cabinet, current measurement port, human-computer interaction module is built-in in cabinet, data acquisition processing circuit and GPRS module, human-computer interaction module is electrically connected with data acquisition processing circuit, data acquisition processing circuit is electrically connected with GPRS module, the display screen of human-computer interaction module is placed in the upper end of data acquisition processing circuit, it is electrically connected by sampling line with current sampling circuit in the current measurement port for the data acquisition processing circuit that the rear end of cabinet is arranged, the voltage port of the data acquisition processing circuit of the rear end setting of cabinet passes through connecting line and voltage sampling circuit electricity Connection.The advantages that simple with structure, small in size, light-weight, test function is complete, hermetically sealed, high reliablity, easy to use.
Description
Technical field
The utility model relates to power supply system low-voltage power quality monitoring, recording fields, are a kind of outer electric energy matter of household portable
Measure monitoring and recording instrument.
Background technique
Existing electric energy quality monitor device, can substantially be divided into three classes: the first kind: remote monitoring instrument: be mounted on fixation
Position, can be articulated in outdoor, and the main electricity of prolonged continuous monitoring electric system can be carried out in unattended situation
Energy quality index, and real time data is generated, it upload the data to server in a communication manner and carries out power quality analysis.Disadvantage
It is that the infield of equipment can not be replaced, when installation needs to power off, if equipment failure will affect junior's electric power
The use of equipment.Second class: fixed test instrumentation uses indoors, is suitable for experiment station, measurement accuracy is high, analytic function
Powerful, no anti-theft function, in measurement, technical staff can not be left may only measure power index in a short time, without real-time
Data upload, and can not achieve unattended long-continued electric energy quality monitoring.Third class: fixed type multifunctional analyzer
The characteristics of device, such instrument be it is intelligent, multi-functional, information capacity is big, data processing function is strong, be primarily adapted for use in live special project
Test, cannot be used for a long time, and inconvenient to carry outdoors, and not can be carried out remote data transmission.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiency of the prior art, and it is simple to provide a kind of structure, body
Product is small, and light-weight, test function is complete, hermetically sealed, high reliablity, easy to use, is particularly suitable for interim or short under outdoor environment
The portable electric energy quality monitoring, recording instrument that phase uses.
The scheme for solving the use of its technical problem is: a kind of outer electric energy quality monitoring, recording instrument of household portable, it includes instrument
Device case, characterized in that instrument container is hinged with case lid by cabinet, lock fixed on the fixed grab and case lid activity on cabinet
Connection, is hinged with handle on cabinet, is equipped with voltage, current measurement port in the rear end of cabinet, is built-in with man-machine friendship in cabinet
Mutual module, data acquisition processing circuit and GPRS module, human-computer interaction module are electrically connected with data acquisition processing circuit, and data are adopted
Collection processing circuit is electrically connected with GPRS module, and the display screen of human-computer interaction module is placed in the upper end of data acquisition processing circuit,
The current measurement port of the data acquisition processing circuit of the rear end setting of cabinet is electrically connected by sampling line with current sampling circuit,
The voltage port of the data acquisition processing circuit of the rear end setting of cabinet is electrically connected by connecting line with voltage sampling circuit.
The human-computer interaction module uses integrated ARM+DSP circuit using the ATPAD screen inside of ATS serial model No..
The microprocessor of the data acquisition processing circuit uses ADE7880 chip.
The GPRS module is USR-GM1 module.
The current sampling circuit uses Y-FCT series Rogowski coil.
The voltage sampling circuit is A phase voltage, B phase voltage, the electrical clamps of C phase voltage and N line.
Instrument container is hermetically sealed, degree of protection IP65, is suitble to use in outdoor mounted.
The outer electric energy quality monitoring, recording instrument of the utility model household portable, usefulness are embodied in:
1. structure is simple, small in size, light-weight, easy to carry, IP65 level of protection, can be surveyed as outdoor interim inspection
Examination uses, and can also be used for a long time outdoors；
2. it is powerful, it is functional to the institute of electric energy quality monitoring requirement to meet national standard.Work long hours reliability online
Height, execute-in-place is convenient and practical, and when connection does not need to disconnect test line.It can be communicated with server, it can non-volatile recording, storage
Data and it can classify and read data；
3. remote, the reliable networking on a large scale of data can be realized；
4. test function is complete, analytical model diversification, a variety of displays such as waveform diagram, polar plot, histogram and analysis mould
Formula；
5. data store double copies, it can effectively guarantee that data are not lost.
Detailed description of the invention
Fig. 1 is a kind of external structure stereoscopic schematic diagram of the outer electric energy quality monitoring, recording instrument of household portable；
Fig. 2 is the schematic front view of Fig. 1；
Fig. 3 is the left view schematic diagram of Fig. 2；
Fig. 4 is the outer electric energy quality monitoring, recording instrument functional block diagram of household portable；
Fig. 5 is current sampling circuit schematic diagram；
Fig. 6 is voltage sampling circuit schematic diagram；
Fig. 7 is data acquisition processing circuit schematic diagram；
Fig. 8 is ADE7880 for being electrically connected circuit diagram；
Fig. 9 is human-computer interaction module schematic illustration；
Figure 10 is GPRS module principle schematic diagram.
Specific embodiment
The utility model implementation is described further below with attached drawing:
The instrument container of-Fig. 3 referring to Fig.1, a kind of outer electric energy quality monitoring, recording instrument of household portable of the utility model can
Meet the requirement of outwork environment.Knot is flexibly connected with lock 3 fixed on case lid 2 using fixed grab on cabinet 1
Structure, outdoors to electric energy quality monitoring when case lid 2 can be buckled well into locking；The current measurement port 6 of the rear end setting of cabinet 1 is logical
Over-sampling line is electrically connected with current sampling circuit, and the voltage port 5 of the rear end setting of cabinet 1 passes through connecting line and voltage sample electricity
Road electrical connection, samples line and connection all has waterproof and dustproof function.The outer electric energy quality monitoring, recording instrument of household portable is in case
It can achieve IP65 degree of protection in the case where 3 snapping of lock fixed on fixed grab and case lid 2 on body 1.On cabinet 1
Being hinged with handle 4 can be convenient carrying, and also padlockable makes it possess anti-theft function when using outdoors.
Referring to Fig. 4, the outer electric energy quality monitoring, recording instrument of the household portable of the utility model, using data acquisition processing circuit
The parameter of electric system is acquired, is then analyzed, shown, stored by human-computer interaction module, human-computer interaction module
Using integrated ARM+DSP circuit is used inside the ATPAD screen of ATS serial model No., the internal circuit of entire instrument can simplify,
To enhance anti-interference energy.It can still can be used in the environment of inclement condition.Human-computer interaction module will treated
Data are by GPRS module through internet teletransmission to background server.The Roche that the acquisition of current signal passes through current sampling circuit
Coil collected as current sensor be a Current versus time differential, the voltage signal of output is accumulated by one
The circuit divided, so that it may really restore input current.Data acquisition processing circuit is mainly by power circuit and signal circuit
It constitutes.Power circuit keeps power supply reliable and stable, guarantees measurement accuracy；Signal circuit is ADE7880 chip and data
The bridge between chip is handled, if bad to signal processing, will lead to the result failure entirely measured.
Referring to Fig. 5, current sampling circuit has 4 Rogowski coils, Rogowski coil be directly connected to power line A, B, C phase and
Zero curve.When having electric current to flow through in power line, Rogowski coil generates the differential signal directly proportional to electric current, and four road circuits are identical
, with wherein differential signal enters resistance R71 and R70 all the way, resistance R70, capacitor C37, resistance R62 are connected, R71 and capacitor
C36 is connected, and the other end pin of capacitor C36, C37 are all grounded, the other end pin and capacitor C34 and ADE7880 of resistance R62
The IAN of chip is connected, and another pin and capacitor C35 of resistance R63 are commonly connected to the micro process of data acquisition processing circuit
The IAP of device ADE7880 chip, result in formation of the sample circuits that one reduces interference, decompression filtering.Then microprocessor
ADE7880 integrates signal, to obtain current value.The microprocessor of the data acquisition processing circuit uses
ADE7880 chip is the electric energy quality monitoring microprocessor circuit of profession.
Referring to Fig. 6, the A phase voltage of voltage sampling circuit, B phase voltage, C phase voltage and N, connection three-phase electricity and zero is represented
Line, A, B, C three-phase voltage are passing through the respective voltage transformer LCTV3PCE 2MA/2MA of resistance R72- R77 connection just respectively
Pole, N connection mutual inductor LCTV3PCE 2MA/2MA cathode, is converted into weak signal for strong signal.By wherein all the way for, mutual inductor
Secondary side parallel connection R55 passes through resistance R50 connection capacitor C25, and capacitor C25 other end pin is connected with resistance R55 secondary side cathode
Through accessing simulation ground after resistance R11, wherein A, B, C three-phase anode is after above-mentioned low-pass filter processing and data
The microprocessor ADE7880 of acquisition process circuit is connected.Microprocessor ADE7880 includes DSP, by the way that voltage, electricity is calculated
Flow a series of parameters such as virtual value, power factor, active power, reactive power, electrical energy measurement, voltage swells rapid drawdown.
Referring to Fig. 7, the HR pin and chip U11 ADUM3401 tetra- of the microprocessor ADE7880 of data acquisition processing circuit
The VIA pin of channel number word isolator is connected, the IRQ1 pin of microprocessor ADE7880 and chip U11 ADUM3401 four-way
The VIB pin of digital isolator is connected, the IRQ0 pin of microprocessor ADE7880 and chip U11 ADUM3401 four-way are digital
The VIC pin of isolator is connected, the SCLK pin of microprocessor ADE7880 is isolated with chip U11 ADUM3401 four-way number
The VOD pin of device is connected, the RESET pin of microprocessor ADE7880 and chip U11 ADUM3401 four-way digital isolator
VEI pin among be added after R1 be mutually connected in the side RESET by capacitor C1 be linked into digitally, microprocessor ADE7880
MOSI pin is connected with the VOA pin of chip U12 ADUM3401 four-way digital isolator, the SS/ of microprocessor ADE7880
CS pin is connected with the VOB pin of chip U12 ADUM3401 four-way digital isolator, the MISO of microprocessor ADE7880 draws
Foot is connected with the VID pin of chip U12 ADUM3401 four-way digital isolator.Chip ADUM3401 can eliminate light-coupled isolation
The problems such as current transfer ratio that device usually has is uncertain, nonlinear transfer function and temperature and service life influence, is believing
In the comparable situation of number rate, the power consumption of device only has the 1/10 to 1/6 of photo-coupler, to reduce power consumption.The other side
With human-computer interaction module connecting communication, sends parameter to human-computer interaction module and be further analyzed processing.Chip U11
The VOA pin of ADUM3401 four-way digital isolator is linked into the industrial intelligent touch display screen of human-computer interaction module
The VOB pin of the HR terminal of ATS043/ATS70 integrated circuit, chip U11 ADUM3401 four-way digital isolator is linked into
The VOC pin of ATS043/ATS70 integrated circuit IRQ1 terminal, chip U11 ADUM3401 four-way digital isolator is linked into
The IRQ0 terminal of ATS043/ATS70 integrated circuit, the VID pin access of chip U11 ADUM3401 four-way digital isolator
VIA pin to the SCLK terminal of ATS043/ATS70 integrated circuit, chip U12 ADUM3401 four-way digital isolator connects
Enter the MOSI terminal to ATS043/ATS70 integrated circuit, the VIB pin of chip U12 ADUM3401 four-way digital isolator
It is linked into the CS terminal of ATS043/ATS70 integrated circuit, the VIC pin of chip U12 ADUM3401 four-way digital isolator
It is linked into the CSI terminal of ATS043/ATS70 integrated circuit, the VOD of chip U12 ADUM3401 four-way digital isolator draws
Foot is linked into the MISO terminal of ATS043/ATS70 integrated circuit, the electricity of U11 and U12 ADUM3401 four-way digital isolator
The 3.3V that source power supply all uses for ADE7880, joined 104 capacitors between power vd D and GND.
It is the power circuit of microprocessor ADE7880 chip, the VDD pin of microprocessor ADE7880 chip referring to Fig. 8
Between DGND pin shunt capacitance C3, C2, C6, C13, connect the connection of 3.3V DC power supply in VDD side and enter chip 7150
VO pin；The HAS pin of microprocessor ADE7880 connects VDD with PM0 pin anode, and negative side connects 1K resistance R4 through shining
Diode ground connection.The V1 pin of chip 7150 connects 5V DC power supply, is controlled by controlling the voltage levels of enable end En pin
Out-put supply electricity processed realizes that circuit structure is simple and small by power fluctuation interference effect, and power good measurement result is accurate.
Human-computer interaction module uses the industrial intelligent touch display screen ATS043/ATS70 of Beijing Ai Chuan scientific & technical corporation production, the module collection
At resource abundant, such as ARM9 processor, touch screen, general purpose I/O, multi-channel A/D, UART/485, file system, buzzer, refer to
Show lamp etc..
Referring to Fig. 9, J1 is that UART interface is connected to GPRS communication module, and J2 is power supply and 485 interfaces, and J9 is A D interface,
J10 is that I/O interface is connected with the signal output end of microprocessor ADE7880.
Referring to Fig.1 0, GPRS module uses USR-GM1 module, realizes the remote large capacity networking of data.GPRS module
5V DC power supply is used to use the general Energy Saving Technology Co's autonomous production in Tener, and commercially available 5V DC power supply.5V is straight
Galvanic electricity source is using ultralow ripple factor and the circuit of power supply noise.GPRS module passes through UART interface and human-computer interaction module phase
Even, the major function of GPRS module is wirelessly to communicate data with server.The screen of human-computer interaction module
UART interface is directly connected to UATR TXD and UART TXD.The data of the upload or downloading in GPRS can thus be read and write.
Specific embodiment of the present utility model is not exhaustive, and those skilled in the art are without the simple multiple of creativeness
System and improve, should belong to the utility model protection within the scope of.
Claims (6)
1. a kind of outer electric energy quality monitoring, recording instrument of household portable, it includes instrument container, characterized in that instrument container is by cabinet and case
Lid is hinged, and fixed grab is flexibly connected with lock fixed on case lid on cabinet, handle is hinged on cabinet, in cabinet
Rear end be equipped with voltage, current measurement port, be built-in with human-computer interaction module, data acquisition processing circuit and GPRS mould in cabinet
Block, human-computer interaction module are electrically connected with data acquisition processing circuit, and data acquisition processing circuit is electrically connected with GPRS module, man-machine
The display screen of interactive module is placed in the upper end of data acquisition processing circuit, in the data acquisition processing circuit that the rear end of cabinet is arranged
Current measurement port be electrically connected by sampling line with current sampling circuit, the data acquisition processing circuit that the rear end of cabinet is arranged
Voltage port be electrically connected with voltage sampling circuit by connecting line.
2. a kind of outer electric energy quality monitoring, recording instrument of household portable according to claim 1, characterized in that described is man-machine
Interactive module uses integrated ARM+DSP circuit using the ATPAD screen inside of ATS serial model No..
3. a kind of outer electric energy quality monitoring, recording instrument of household portable according to claim 1, characterized in that the data
The microprocessor of acquisition process circuit uses ADE7880 chip.
4. a kind of outer electric energy quality monitoring, recording instrument of household portable according to claim 1, characterized in that described
GPRS module is USR-GM1 module.
5. a kind of outer electric energy quality monitoring, recording instrument of household portable according to claim 1, characterized in that the electric current
Sample circuit uses Y-FCT series Rogowski coil.
6. a kind of outer electric energy quality monitoring, recording instrument of household portable according to claim 1, characterized in that the voltage
Sample circuit is A phase voltage, B phase voltage, the electrical clamps of C phase voltage and N line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821853211.XU CN209280821U (en) | 2018-11-12 | 2018-11-12 | A kind of outer electric energy quality monitoring, recording instrument of household portable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821853211.XU CN209280821U (en) | 2018-11-12 | 2018-11-12 | A kind of outer electric energy quality monitoring, recording instrument of household portable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280821U true CN209280821U (en) | 2019-08-20 |
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ID=67600933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821853211.XU Expired - Fee Related CN209280821U (en) | 2018-11-12 | 2018-11-12 | A kind of outer electric energy quality monitoring, recording instrument of household portable |
Country Status (1)
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| CN (1) | CN209280821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002497A (en) * | 2021-09-30 | 2022-02-01 | 北京海博思创科技股份有限公司 | Portable power detection device |
| CN115003095A (en) * | 2022-05-27 | 2022-09-02 | 江苏科技大学 | Portable ship water elasticity data analysis device |
-
2018
- 2018-11-12 CN CN201821853211.XU patent/CN209280821U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002497A (en) * | 2021-09-30 | 2022-02-01 | 北京海博思创科技股份有限公司 | Portable power detection device |
| CN115003095A (en) * | 2022-05-27 | 2022-09-02 | 江苏科技大学 | Portable ship water elasticity data analysis device |
| CN115003095B (en) * | 2022-05-27 | 2024-02-27 | 江苏科技大学 | Portable ship water elasticity data analysis device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20201112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |