CN207369032U - A kind of consumption detection device based on broadband power line carrier communication unit - Google Patents
A kind of consumption detection device based on broadband power line carrier communication unit Download PDFInfo
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- CN207369032U CN207369032U CN201721483261.9U CN201721483261U CN207369032U CN 207369032 U CN207369032 U CN 207369032U CN 201721483261 U CN201721483261 U CN 201721483261U CN 207369032 U CN207369032 U CN 207369032U
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Abstract
The utility model discloses a kind of consumption detection device based on broadband power line carrier communication unit, the consumption detection device includes：Power source loads unit；The DC power test cell is connected with the electric energy meter communication unit, the concentrator communication unit respectively；The AC power dissipation test cell is connected with the electric energy meter communication unit, the concentrator communication unit respectively；The micro-control unit is connected with the DC power test cell, the AC power dissipation test cell；The display unit；The network communication unit.The dynamic power consumption time for solving power wire broadband carrier module of the prior art is short small with AC power dissipation, so as to cause equipment dynamic response low, AC power dissipation test is inaccurate, it can not be suitable for the technical problem of the test of power wire broadband carrier communication unit, realize that test result is accurate, cost is relatively low, it is good to take just property, the technique effect available for program-controlled and automatic test broadband power line carrier communication unit power consumption.
Description
Technical field
Power-line carrier communication field is the utility model is related to, it is more particularly to a kind of to be led to based on broadband power line carrier
Believe the consumption detection device of unit.
Background technology
The appearance of broadband power line carrier communication (BPLC) technology, improves power line data transmission speed, is state's household electrical appliances
The intelligent grid construction project and four tables unification engineering that net emphasis promotes provide power-assisted.The test of BPLC module dissipations is power consumer
One of important indicator in power information acquisition system inspection technology specification, to the quiet of BPLC modules in communication unit technology specification
State power consumption and dynamic power consumption have specified in more detail.The testing power consumption test main study subject for carrier module is narrow at home
Band module.
But the application utility model people has found above-mentioned existing skill during technical solution in realizing the embodiment of the present application
Art at least has the following technical problems：
Since the dynamic power consumption time of power wire broadband carrier module in the prior art is short and AC power dissipation is small, so as to cause
Equipment dynamic response is low, and AC power dissipation test is inaccurate, can not be suitable for the skill of the test of power wire broadband carrier communication unit
Art problem.
Utility model content
The utility model embodiment provides a kind of consumption detection device based on broadband power line carrier communication unit, uses
It is short small with AC power dissipation to solve the dynamic power consumption time of power wire broadband carrier module in the prior art, so as to cause equipment to move
State response is low, and AC power dissipation test is inaccurate, can not be suitable for the technical problem of the test of power wire broadband carrier communication unit,
Realize that test result is accurate, cost is relatively low, it is good to take just property, available for program-controlled and automatic test broadband power line carrier communication
The technique effect of the power consumption of unit.
To solve the above-mentioned problems, the utility model embodiment provides one kind and is based on broadband power line carrier communication unit
Consumption detection device, the consumption detection device includes：
Power source loads unit, the power source loads unit connection electric energy meter communication unit and concentrator communication unit；
Test the first data of the electric energy meter communication unit, test the concentrator communication unit the second data it is straight
Flow power consumption test unit, the DC power test cell respectively with the electric energy meter communication unit, the concentrator communication unit
Member connection；
The 3rd data of the electric energy meter communication unit are tested, test the friendship of the 4th data of the concentrator communication unit
Flow power consumption test unit, the AC power dissipation test cell respectively with the electric energy meter communication unit, the concentrator communication unit
Member connection；
First data, second data, the micro-control unit of the 3rd data and the 4th data are received,
The micro-control unit is connected with the DC power test cell, the AC power dissipation test cell；
Show the display unit of the data result of calculation of the micro-control unit, the display unit and the microcontroller list
Member connection；
The data result of calculation of the micro-control unit is transmitted to the network communication unit of computer terminal host computer, the net
Network communication unit is connected with the micro-control unit.
Preferably, the power source loads unit is by DC20v power circuits, DC12v power circuits, exchange collection 3.3v power supplys
Circuit, DC5v power circuits, DC3.3v power circuits and line impedance stabilization net work circuit composition.
Preferably, the power source loads unit carries for the DC power test cell with the AC power dissipation test cell
Power supply source.
Preferably, the DC power test cell detects instantaneous power consumption by current sample and voltage sample, wherein, institute
Voltage sample is stated to calculate using divider resistance.
Preferably, the AC power dissipation test cell calculates AC power dissipation by current sample and voltage sample, wherein, institute
Voltage sample is stated to calculate using divider resistance.
Preferably, optically coupled circuit is set between the AC power dissipation test cell and the micro-control unit.
Preferably, the micro-control unit uses STM32F207ZE chips.
Preferably, the STM32F207ZE chips have the operation dominant frequency and an application interface of high speed.
Preferably, the display unit has a touch display screen, and the display unit passes through interface and the direct current
Power consumption test unit, AC power dissipation test cell interaction.
Preferably, the network communication unit is interacted with upper computer software.
Said one or multiple technical solutions in the utility model embodiment, at least have following one or more technologies
Effect：
1st, the utility model embodiment provides a kind of consumption detection device based on broadband power line carrier communication unit,
The consumption detection device includes：Power source loads unit, the power source loads unit connection electric energy meter communication unit and concentrator
Communication unit；The first data of the electric energy meter communication unit are tested, test the second data of the concentrator communication unit
DC power test cell, the DC power test cell communicate with the electric energy meter communication unit, the concentrator respectively
Unit connects；The 3rd data of the electric energy meter communication unit are tested, test the 4th data of the concentrator communication unit
AC power dissipation test cell, the AC power dissipation test cell communicate with the electric energy meter communication unit, the concentrator respectively
Unit connects；Receive first data, second data, the microcontroller list of the 3rd data and the 4th data
Member, the micro-control unit are connected with the DC power test cell, the AC power dissipation test cell；Show the micro-control
The display unit of the data result of calculation of unit processed, the display unit are connected with the micro-control unit；Transmit the micro-control
The data result of calculation of unit processed is to the network communication unit of computer terminal host computer, the network communication unit and the micro-control
Unit connection processed.Solve it is of the prior art since the dynamic power consumption time of power wire broadband carrier module in the prior art is short and
AC power dissipation is small, so as to cause equipment dynamic response low, AC power dissipation test is inaccurate, can not be suitable for power wire broadband carrier
The technical problem of the test of communication unit, realize test result is accurate, cost is relatively low, it is good to take just property, available for it is program-controlled and from
The technique effect of the power consumption of dynamicization testing broad-band power line carrier communication unit.
2nd, the utility model is adopted by the power source loads unit by DC20v power circuits, DC12v power circuits, exchange
Collect 3.3v power circuits, DC5v power circuits, DC3.3v power circuits and line impedance stabilization net work circuit composition.Solve existing
In technology since the dynamic power consumption time of power wire broadband carrier module in the prior art is short and AC power dissipation is small, so as to cause
Equipment dynamic response is low, and AC power dissipation test is inaccurate, can not be suitable for the skill of the test of power wire broadband carrier communication unit
Art problem, adds line impedance stabilization net work circuit, can eliminate influence of the external subcarrier to test system, while can be to be
Unified test examination provides stable electric power linear load, further ensures power supply output accuracy better than 1%, (output electricity under different loads
Flow 0~0.5A) voltage-regulation coefficient≤1%, realize the technique effect that test result is accurate, and test system is stablized.
3rd, the utility model detects instantaneous work(by the DC power test cell by current sample and voltage sample
Consumption, wherein, the voltage sample is calculated using divider resistance.Solve of the prior art due to broadband over power line in the prior art
The dynamic power consumption time of carrier module is short and AC power dissipation is small, so as to cause equipment dynamic response low, AC power dissipation test is inaccurate
Really, the technical problem of the test of power wire broadband carrier communication unit can not be suitable for, it is higher further to have reached sampling precision,
The accurate technique effect of test result.
4th, the utility model between the AC power dissipation test cell and the micro-control unit by setting optical coupling
Circuit.Solve it is of the prior art due to the dynamic power consumption time of power wire broadband carrier module in the prior art it is short with exchange work(
Consume small, so as to cause equipment dynamic response low, AC power dissipation test is inaccurate, can not be suitable for power wire broadband carrier communication list
The technical problem of the test of member, by the optically coupled circuit, realizes between AC power dissipation test cell and micro-control unit
Data transfer and the technique effect isolated.
5th, the utility model uses STM32F207ZE chips by the micro-control unit.Solve it is of the prior art by
It is short small with AC power dissipation in the dynamic power consumption time of power wire broadband carrier module in the prior art, so as to cause equipment dynamic to ring
Should be low, AC power dissipation test is inaccurate, can not be suitable for the technical problem of the test of power wire broadband carrier communication unit, described
STM32F207ZE resources of chip enriches, and communicates comprising 5 UART, wherein, a UART communications are used for liquid crystal display and communicate, two
UART communications are used for AC sampling chip communication, and have 6 tunnel, 12 bit AD sample, available for 12V, 5V, 3.3V DC powers
Sampling.It furthermore achieved that test result is accurate, available for program-controlled and automatic test broadband power line carrier communication unit
Power consumption technique effect.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of consumption detection device based on broadband power line carrier communication unit in the utility model embodiment
Schematic diagram；
Fig. 2 is the DC20v power circuit diagrams in the power source loads unit provided in the utility model embodiment；
Fig. 3 is the DC12v power circuit diagrams in the power source loads unit provided in the utility model embodiment；
Fig. 4 is that the exchange in the power source loads unit provided in the utility model embodiment gathers 3.3v power circuit diagrams；
Fig. 5 is the DC5v power circuit diagrams in the power source loads unit provided in the utility model embodiment；
Fig. 6 is the DC3.3v power circuit diagrams in the power source loads unit provided in the utility model embodiment；
Fig. 7 is the line impedance stabilization net work circuit diagram in the power source loads unit provided in the utility model embodiment；
Fig. 8 is the direct current collection voltages current circuit in the DC power test cell provided in the utility model embodiment
Figure；
Fig. 9 is the ESEM16 chip analog fronts in the AC power dissipation test cell provided in the utility model embodiment
Structure diagram；
Figure 10 is the exchange collection voltages electric current electricity in the AC power dissipation test cell provided in the utility model embodiment
Lu Tu；
Figure 11 is the ESEM16 chip circuit figures in the AC power dissipation test cell provided in the utility model embodiment；
Figure 12 is the optically coupled circuit figure in the AC power dissipation test cell provided in the utility model embodiment；
Figure 13 is the network communication unit circuit diagram provided in the utility model embodiment.
Embodiment
The utility model embodiment provides a kind of consumption detection device based on broadband power line carrier communication unit, solution
It is certainly of the prior art since the dynamic power consumption time of power wire broadband carrier module in the prior art is short and AC power dissipation is small, from
And causing equipment dynamic response low, AC power dissipation test is inaccurate, can not be suitable for the survey of power wire broadband carrier communication unit
The technical problem of examination, realizes that test result is accurate, cost is relatively low, it is good to take just property, available for program-controlled and automatic test broadband
The technique effect of the power consumption of power line carrier communication unit.
The technical scheme in the embodiment of the utility model, overall structure are as follows：Power source loads unit, the power source loads list
Member connection electric energy meter communication unit and concentrator communication unit；The first data of the electric energy meter communication unit are tested, test institute
State the DC power test cell of the second data of concentrator communication unit, the DC power test cell respectively with the electricity
Can table communication unit, concentrator communication unit connection；The 3rd data of the electric energy meter communication unit are tested, described in test
The AC power dissipation test cell of 4th data of concentrator communication unit, the AC power dissipation test cell respectively with the electric energy
Table communication unit, concentrator communication unit connection；Receive first data, second data, the 3rd data
With the micro-control unit of the 4th data, the micro-control unit and the DC power test cell, the AC power dissipation
Test cell connects；Show the display unit of the data result of calculation of the micro-control unit, the display unit with it is described micro-
Control unit connects；The data result of calculation of the micro-control unit is transmitted to the network communication unit of computer terminal host computer,
The network communication unit is connected with the micro-control unit.Solve of the prior art due to broadband over power line in the prior art
The dynamic power consumption time of carrier module is short and AC power dissipation is small, so as to cause equipment dynamic response low, AC power dissipation test is inaccurate
Really, the technical problem of the test of power wire broadband carrier communication unit can not be suitable for, realize test result is accurate, cost compared with
It is low, take that just property is good, technique effect available for program-controlled and automatic test broadband power line carrier communication unit power consumption.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to
The scope of the utility model protection.
Embodiment one
The utility model embodiment provides a kind of consumption detection device based on broadband power line carrier communication unit, please
Referring to figs. 1 to Figure 13, the consumption detection device includes：
Power source loads unit 1, the power source loads unit 1 connect electric energy meter communication unit 2 and concentrator communication unit 3.
Further, the power source loads unit 1 is by DC20v power circuits, DC12v power circuits, exchange collection 3.3v
Power circuit, DC5v power circuits, DC3.3v power circuits and line impedance stabilization net work circuit composition.The power source loads list
Member 1 provides power supply for the DC power test cell 4 and the AC power dissipation test cell 5.
Specifically, please refer to Fig.1 to Fig. 7, the power source loads unit 1 connects electric energy meter communication unit 2 and concentrator
Communication unit 3.The power source loads unit 1 can influence the power consumption of broadband power line carrier technology (BPLC).The power supply is born
After carrier unit 1 accesses power consumption tester, first have to handle the power source loads unit 1.In the power source loads unit 1
Before alternating current incoming end, reply power supply is standardized, and adds line impedance stabilization net work, you can to eliminate external subcarrier
To systematic influence, or system testing provides stable electric power linear load.The power source loads unit 1 is through transformation, rectification,
After filtering, 12V, 5V, 3.3V voltages are provided for whole consumption detection device.
The power source loads unit 1 by DC20v power circuits, DC12v power circuits, exchange collection 3.3v power circuits,
DC5v power circuits, DC3.3v power circuits and line impedance stabilization net work circuit composition.Wherein, Switching Power Supply scheme is easily produced
Raw larger noise, influences carrier communication and measurement accuracy, therefore the DC20v power circuits use linear power supply scheme, and 20V is
Refer to voltage under no-load condition, the voltage can drag down under system power supply and module transmission state, but still can be higher than 14V, rear class warp
Cross DCDC voltage stabilizings and reach 12V, meet the power source loads cell operation requirement.The DC12v power circuits are by DCDC outputs 12V
Voltage is powered for carrier module.The exchange collection 3.3v power circuits use transformer auxiliary winding, halfwave rectifier mode,
It is used for AC sampling chip power supply using LDO output 3.3V voltages, AC sampling need to use non-isolated mode, and direct current sampling needs
Isolation, therefore individually 3.3V is used to power all the way for output.The DC5v power circuits are using LDO output 5V, first, being used for liquid crystal display
Power supply, second, compatible other unit power supply plans.The DC3.3v power circuits are using LDO output 3.3V, for whole system
Power supply, including micro-control unit (MCU) and PHY chips etc..The line impedance stabilization net work circuit is including isolator and simply
Impedance stable network, during test cell dynamic power consumption because load it is different can cause different test results, can be according to 2-
12M carrier frequencies design impedance stable network.
The first data of the electric energy meter communication unit 2 are tested, test the second data of the concentrator communication unit 3
DC power test cell 4, the DC power test cell 4 lead to the electric energy meter communication unit 2, the concentrator respectively
Letter unit 3 connects.
Further, the DC power test cell 4 detects instantaneous power consumption by current sample and voltage sample, its
In, the voltage sample is calculated using divider resistance.
Specifically, the DC power test cell 4 leads to the electric energy meter communication unit 2, the concentrator respectively
Letter unit 3 connects, and the DC power test cell 4 tests the first data of the electric energy meter communication unit 2, tests the collection
Second data of middle device communication unit 3.The DC power test cell 4 detects instantaneous work(by current sample and voltage sample
Consumption, wherein, the voltage sample is calculated using divider resistance.The universal method for measuring direct current average power consumption is in certain time
It is interior, with certain sample rate equal interval sampling N group instantaneous voltages uiWith transient current iiValue.Pass through voltage acquisition numerical value and electricity
Stream collection numerical value, which is multiplied, obtains instantaneous power consumption.Wherein, current sample uses INA282 chips in the DC power test cell.
It refer to Fig. 8, pin 1, the input pin that pin 8 is differential voltage, pin 5 are defeated in the DC power test cell circuit
Go out pin, wherein R1 is sampling resistor, and R4, C9 composition low-pass filtering, reduce influence of the current ripples to sampling.Chip pin 3,
Voltage connects pin on the basis of pin 7, and two pins connect different reference voltages to determine the working method of INA282 chips,
Including Unidirectional, bidirectional movement etc..Since power consumption test only has unidirectional current, two reference voltages are grounded choosing
Select single-phase operation mode.The voltage sample is that the offer of power source loads unit 1 voltage is 12V, and analog-digital converter (ADC) is adopted
The measurement range of sample chip is 3.3V, and beyond AD sampled voltage scopes, voltage sample uses the mode of electric resistance partial pressure, uses respectively
The precision resister of 47K and 10K, it is about 2.1V to make AD sampled voltages, meets that the sampling of the analog-digital converter (ADC) chip will
Ask.Current sample is by the sampling resistor string of high-precision low resistance to 12V power supplys, using precision differential amplifier, will first be sampled
Resistance both end voltage is amplified after being compared, one suitable voltage signal of output to Chip Microcomputer A/D.The INA282 cores
The voltage difference at sampling resistor both ends can be amplified 50 times by piece.Sampling electricity is calculated according to current sample precision, voltage accuracy etc.
Resistance is in the range of 0.016R to 0.132R.According to sampling resistor specification, the present embodiment selection 0.1R resistance is proper, wherein
Sampling resistor has the characteristics that High Precision Low Temperature drift, and sampling precision is higher.
The 3rd data of the electric energy meter communication unit 2 are tested, test the 4th data of the concentrator communication unit 3
AC power dissipation test cell 5, the AC power dissipation test cell 5 lead to the electric energy meter communication unit 2, the concentrator respectively
Letter unit 3 connects.
Further, the AC power dissipation test cell 5 calculates AC power dissipation by current sample and voltage sample, its
In, the voltage sample is calculated using divider resistance.Between the AC power dissipation test cell 5 and the micro-control unit 6
The exchange collection optically coupled circuit is set.
Specifically, the AC power dissipation test cell 5 leads to the electric energy meter communication unit 2, the concentrator respectively
Letter unit 3 connects, and the AC power dissipation test cell 5 tests the 3rd data of the electric energy meter communication unit 2, tests the collection
4th data of middle device communication unit 3.AC power dissipation is mainly zero crossing circuitry power consumption, and the AC power dissipation test cell 5 passes through
Current sample calculates AC power dissipation with voltage sample.Alternating voltage and current sampling unit use non-isolated scheme, in the friendship
Described exchange is set to gather optically coupled circuit between stream power consumption test unit 5 and the micro-control unit 6.Fig. 9 be refer to figure
11, the AC power dissipation test cell 5 uses the electric energy computation chip ESEM16 of Shanghai microelectronics, the ESEM16 chip internals
The micro-control unit (MCU) of integrated high accuracy electric energy metering module, can measure active energy, and measurement voltage, electric current have
Valid value, calculates average active power.The voltage sample is by the way of precision resister partial pressure, the ESEM16 chip voltages
Sampling request input signal is 100uV to 500mV.Consider the fluctuation of different manufacturers module AC power dissipation, AC power dissipation scope is set to
1mW to 300mW.By result of calculation, sampling resistor in the range of 1.1R to 18.3R, choose sampling resistor and be by the present embodiment
10R.2 are please referred to Fig.1, optically coupled circuit is set between the AC power dissipation test cell 5 and the micro-control unit 6, institute
Optically coupled circuit is stated for the data transfer between the AC power dissipation test cell 5 and the micro-control unit 6 with isolating.
Receive first data, second data, the micro-control unit of the 3rd data and the 4th data
6, the micro-control unit 6 is connected with the DC power test cell 4, the AC power dissipation test cell 5.
Further, the micro-control unit 6 uses STM32F207ZE chips.The STM32F207ZE chips have height
The operation dominant frequency and an application interface of speed.
Specifically, the micro-control unit 6 and the DC power test cell 4, the AC power dissipation test cell 5
Connection, the micro-control unit 6 receive first data, second data, the 3rd data and the 4th data.
The micro-control unit 6 is the core cell of power consumption test device, and the micro-control unit 6 uses STM32F207ZE chips, institute
Stating STM32F207ZE chips has the operation dominant frequency and an application interface of high speed.The STM32F207ZE resources of chip enriches,
Communicate comprising 5 UART, wherein, a UART communications are used for liquid crystal display and communicate, and two UART communications are used for AC sampling chip
Communication, and there is 6 tunnel, 12 bit AD sample, available for 12V, 5V, the sampling of 3.3V DC powers.The ADC module has
The sample rate of 12bit measurement accuracy and 30MHz, disclosure satisfy that the BPLC dynamic power consumptions test request.
Show the display unit 7 of the data result of calculation of the micro-control unit 6, the display unit 7 and the micro-control
Unit 6 processed connects；The data result of calculation of the micro-control unit 6 is transmitted to the network communication unit 8 of computer terminal host computer,
The network communication unit 8 is connected with the micro-control unit 6.
Further, the display unit 7 has a touch display screen, and the display unit 7 by interface with it is described
DC power test cell 4, the AC power dissipation test cell 5 interact.The network communication unit 8 and the upper computer software
Interaction.
Specifically, the display unit 7 is connected with the micro-control unit 6, and the display unit 7 shows the micro-control
The data result of calculation of unit 6 processed, the display unit 7 have a touch display screen, and the display unit 7 by interface with
The DC power test cell 4, the AC power dissipation test cell 5 interact, and carry out quiescent dissipation and dynamic power consumption test.
The network communication unit 8 is connected with the micro-control unit 6, and the network communication unit 8 transmits the micro-control unit 6
Data result of calculation to computer terminal host computer.The network communication unit 8 uses LAN8720A chips, the network service
Unit 8 is interacted with the upper computer software, supports remote control, can be by the data result of calculation of the micro-control unit 6
The computer terminal host computer is transmitted to, easy to which power consumption test device is integrated in other test systems.3 are please referred to Fig.1, the net
R70, R71 are the current-limiting resistance of network indicator light in 8 circuit of network communication unit；R58 uses MDC/MDIO modes and Master Communications
16 pins need to be set to pull-up；R61, C63 are reset circuit；When G2, C64, C67 provide PHY chip 50M for active crystal oscillating circuit
Clock；It there are about the impedance of 100 Ω between R63, R64, R65, R66 network interface differential lines, resistance is the effect of impedance matching；C58、C59、
C60, C61, C62, C66 filtering voltage regulation.
The technical solution provided in the embodiment of the present application, has at least the following technical effects or advantages：
1st, the utility model embodiment provides a kind of consumption detection device based on broadband power line carrier communication unit,
The consumption detection device includes：Power source loads unit, the power source loads unit connection electric energy meter communication unit and concentrator
Communication unit；The first data of the electric energy meter communication unit are tested, test the second data of the concentrator communication unit
DC power test cell, the DC power test cell communicate with the electric energy meter communication unit, the concentrator respectively
Unit connects；The 3rd data of the electric energy meter communication unit are tested, test the 4th data of the concentrator communication unit
AC power dissipation test cell, the AC power dissipation test cell communicate with the electric energy meter communication unit, the concentrator respectively
Unit connects；Receive first data, second data, the microcontroller list of the 3rd data and the 4th data
Member, the micro-control unit are connected with the DC power test cell, the AC power dissipation test cell；Show the micro-control
The display unit of the data result of calculation of unit processed, the display unit are connected with the micro-control unit；Transmit the micro-control
The data result of calculation of unit processed is to the network communication unit of computer terminal host computer, the network communication unit and the micro-control
Unit connection processed.Solve it is of the prior art since the dynamic power consumption time of power wire broadband carrier module in the prior art is short and
AC power dissipation is small, so as to cause equipment dynamic response low, AC power dissipation test is inaccurate, can not be suitable for power wire broadband carrier
The technical problem of the test of communication unit, realize test result is accurate, cost is relatively low, it is good to take just property, available for it is program-controlled and from
The technique effect of the power consumption of dynamicization testing broad-band power line carrier communication unit.
2nd, the utility model is adopted by the power source loads unit by DC20v power circuits, DC12v power circuits, exchange
Collect 3.3v power circuits, DC5v power circuits, DC3.3v power circuits and line impedance stabilization net work circuit composition.Solve existing
In technology since the dynamic power consumption time of power wire broadband carrier module in the prior art is short and AC power dissipation is small, so as to cause
Equipment dynamic response is low, and AC power dissipation test is inaccurate, can not be suitable for the skill of the test of power wire broadband carrier communication unit
Art problem, adds line impedance stabilization net work circuit, can eliminate influence of the external subcarrier to test system, while can be to be
Unified test examination provides stable electric power linear load, further ensures power supply output accuracy better than 1%, (output electricity under different loads
Flow 0~0.5A) voltage-regulation coefficient≤1%, realize the technique effect that test result is accurate, and test system is stablized.
3rd, the utility model detects instantaneous work(by the DC power test cell by current sample and voltage sample
Consumption, wherein, the voltage sample is calculated using divider resistance.Solve of the prior art due to broadband over power line in the prior art
The dynamic power consumption time of carrier module is short and AC power dissipation is small, so as to cause equipment dynamic response low, AC power dissipation test is inaccurate
Really, the technical problem of the test of power wire broadband carrier communication unit can not be suitable for, it is higher further to have reached sampling precision,
The accurate technique effect of test result.
4th, the utility model between the AC power dissipation test cell and the micro-control unit by setting optical coupling
Circuit.Solve it is of the prior art due to the dynamic power consumption time of power wire broadband carrier module in the prior art it is short with exchange work(
Consume small, so as to cause equipment dynamic response low, AC power dissipation test is inaccurate, can not be suitable for power wire broadband carrier communication list
The technical problem of the test of member, by the optically coupled circuit, realizes between AC power dissipation test cell and micro-control unit
Data transfer and the technique effect isolated.
5th, the utility model uses STM32F207ZE chips by the micro-control unit.Solve it is of the prior art by
It is short small with AC power dissipation in the dynamic power consumption time of power wire broadband carrier module in the prior art, so as to cause equipment dynamic to ring
Should be low, AC power dissipation test is inaccurate, can not be suitable for the technical problem of the test of power wire broadband carrier communication unit, described
STM32F207ZE resources of chip enriches, and communicates comprising 5 UART, wherein, a UART communications are used for liquid crystal display and communicate, two
UART communications are used for AC sampling chip communication, and have 6 tunnel, 12 bit AD sample, available for 12V, 5V, 3.3V DC powers
Sampling.It furthermore achieved that test result is accurate, available for program-controlled and automatic test broadband power line carrier communication unit
Power consumption technique effect.
Although having been described for the preferred embodiment of the utility model, those skilled in the art once know substantially
Creative concept, then can make these embodiments other change and modification.So appended claims are intended to be construed to wrap
Include preferred embodiment and fall into all change and modification of the scope of the utility model.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model embodiment.In this way, if these modifications and variations of the utility model embodiment belong to this
Within the scope of the requirement of utility model right and its equivalent technologies, then the utility model is also intended to exist comprising these modification and variations
It is interior.
Claims (10)
- A kind of 1. consumption detection device based on broadband power line carrier communication unit, it is characterised in that the consumption detection dress Put including：Power source loads unit, the power source loads unit connection electric energy meter communication unit and concentrator communication unit；The first data of the electric energy meter communication unit are tested, test the direct current work(of the second data of the concentrator communication unit Test cell is consumed, the DC power test cell connects with the electric energy meter communication unit, the concentrator communication unit respectively Connect；The 3rd data of the electric energy meter communication unit are tested, test the exchange work(of the 4th data of the concentrator communication unit Test cell is consumed, the AC power dissipation test cell connects with the electric energy meter communication unit, the concentrator communication unit respectively Connect；First data, second data, the micro-control unit of the 3rd data and the 4th data are received, it is described Micro-control unit is connected with the DC power test cell, the AC power dissipation test cell；Show the display unit of the data result of calculation of the micro-control unit, the display unit connects with the micro-control unit Connect；The data result of calculation of the micro-control unit is transmitted to the network communication unit of computer terminal host computer, the network to lead to Letter unit is connected with the micro-control unit.
- 2. consumption detection device as claimed in claim 1, it is characterised in that the power source loads unit is by DC20v power supplys electricity Road, DC12v power circuits, exchange collection 3.3v power circuits, DC5v power circuits, DC3.3v power circuits and line impedance are steady Determine lattice network composition.
- 3. consumption detection device as claimed in claim 1, it is characterised in that the power source loads unit is the DC power Test cell provides power supply with the AC power dissipation test cell.
- 4. consumption detection device as claimed in claim 1, it is characterised in that the DC power test cell is adopted by electric current Sample and voltage sample detection instantaneous power consumption, wherein, the voltage sample is calculated using divider resistance.
- 5. consumption detection device as claimed in claim 1, it is characterised in that the AC power dissipation test cell is adopted by electric current Sample calculates AC power dissipation with voltage sample, wherein, the voltage sample is calculated using divider resistance.
- 6. consumption detection device as claimed in claim 1, it is characterised in that the AC power dissipation test cell with it is described micro- Optically coupled circuit is set between control unit.
- 7. consumption detection device as claimed in claim 1, it is characterised in that the micro-control unit uses STM32F207ZE Chip.
- 8. consumption detection device as claimed in claim 7, it is characterised in that the STM32F207ZE chips have high speed Run dominant frequency and an application interface.
- 9. consumption detection device as claimed in claim 1, it is characterised in that the display unit has a touch display screen, And the display unit is interacted by interface with the DC power test cell, the AC power dissipation test cell.
- 10. consumption detection device as claimed in claim 1, it is characterised in that the network communication unit and upper computer software Interaction.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107707276A (en) * | 2017-11-09 | 2018-02-16 | 青岛东软载波科技股份有限公司 | A kind of consumption detection device based on broadband power line carrier communication unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707276A (en) * | 2017-11-09 | 2018-02-16 | 青岛东软载波科技股份有限公司 | A kind of consumption detection device based on broadband power line carrier communication unit |
| CN107707276B (en) * | 2017-11-09 | 2023-08-15 | 青岛东软载波科技股份有限公司 | Power consumption detection device based on broadband power line carrier communication unit |
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