CN109375043A - One kind is visited one house after another detection system and its application method - Google Patents
One kind is visited one house after another detection system and its application method Download PDFInfo
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- CN109375043A CN109375043A CN201811155756.8A CN201811155756A CN109375043A CN 109375043 A CN109375043 A CN 109375043A CN 201811155756 A CN201811155756 A CN 201811155756A CN 109375043 A CN109375043 A CN 109375043A
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[Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
Abstract
It visits one house after another detection system and its application method the invention discloses one kind, including testing host, the test host is connected with hand-held intelligent PDA, the test host is also connected with test terminal, the test terminal is also connected with hand-held intelligent PDA, and the test host is connected with current clamp, and the test terminal is connected with ammeter, the current clamp is connected with ammeter, and the hand-held intelligent PDA is connected with current clamp and ammeter respectively.Invention achieves efficient, the advantages of detecting of fast visiting one house after another.
Description
Technical field
It visits one house after another detection system and its application method the present invention relates to one kind, belongs to machine-building and detection field.
Background technique
The ammeter of city dweller mostly as unit of unit building, install concentratedly in multi-epitope electricity box, due to construction make mistakes
Etc. reasons, different Electricity customers will occur in same electricity box and " visit one house after another " phenomenon, is i.e. the ammeter of customer electricity payment and client is practical
Electricity consumption association is inconsistent, it is therefore desirable to make user's table relation test system to outlet switch, outlet switch after client's ammeter to table
Global consistency to the practical electric line of client carries out test and judges, it is ensured that family table relationship is integrally correct, eliminates double for electricity consumption
Fang Zhengyi.Existing family table relation test system will be connected to using carrier communication and micropower wireless communication technology
The family table relation test host and ammeter of electricity box installation place are mounted on slave (test terminal) organic connections in client family one
It rises, test and comparison is carried out with from generator terminal current signal to ammeter load current by host, is obtained after being analyzed and determined
The whether consistent conclusion of family table relationship.The disadvantage is that in customer electricity peak period or using the household electrical appliance such as electromagnetic oven, micro-wave oven
When situation, situations such as being also easy to produce carrier-in-interference, altogether crosstalk, parallel transmission crosstalk, influences the accuracy of test judgement and reliable
Property.
Summary of the invention
The present invention in order to solve the problems, such as it is above-mentioned exist in the prior art, one kind is provided and is visited one house after another detection system and its user
Method, the technical issues of detection with the ammeter that solves to visit one house after another now.
The technical solution adopted by the present invention to solve the technical problems is:
It visits one house after another detection system the present invention provides one kind, including test host, the test host and hand-held intelligent PDA phase
Even, the test host is also connected with test terminal, and the test terminal is also connected with hand-held intelligent PDA, the test host
It is connected with current clamp, the test terminal is connected with ammeter, and the current clamp is connected with ammeter, the hand-held intelligent PDA difference
It is connected with current clamp and ammeter.
In this way, quick, detection of efficiently visiting one house after another can be reached by using detection system of visiting one house after another of the invention.
In addition, detection system according to an embodiment of the present invention of visiting one house after another can also have following additional technical feature:
Preferably, the hand-held intelligent PDA is connected by wireless telecommunications with test terminal, and the test host passes through electric power
Line carrier wave is connected with test terminal.
Preferably, the test host includes current sampling module and voltage sample module, current sampling module and voltage
Sampling module is connected with electric current A/D converter, voltage A/D converter respectively, electric current A/D converter, voltage A/D converter again with
Dsp processor is connected, and dsp processor is connected with the first STM32 single-chip microcontroller, and the first STM32 single-chip microcontroller connects with FLASH, USB respectively
Mouth, carrier module, bluetooth module are connected.
Preferably, the test terminal includes socket, and the socket is connected with test signal generating circuit, the test letter
Number generation circuit is connected with the 2nd STM32 single-chip microcontroller, and the 2nd STM32 single-chip microcontroller is connected with carrier module and bluetooth module again.
Preferably, the current clamp includes the first current clamp, the second current clamp, third current clamp, the 4th current clamp, the 5th
Current clamp, the 6th current clamp, first current clamp, the second current clamp, third current clamp, the 4th current clamp, the 5th current clamp
It is electric with corresponding first ammeter, the second ammeter, third ammeter, the 4th ammeter, the 5th ammeter and the 6th respectively with the 6th current clamp
Table is connected.
The present invention visit one house after another detection system application method the following steps are included:
(1) before test starts, current clamp is clipped in respectively first on the firewire of corresponding every piece of ammeter.Pass through hand-held intelligent
The bar code of PDA sweep current pincers and corresponding ammeter, it is established that the one-to-one relationship of current clamp and ammeter guarantees a table one pincers.
(2) files on each of customers to be detected will be automatically generated in hand-held intelligent PDA, each current clamp is accessed into test master respectively
Machine, test host are located at electricity box, and tester carries test terminal and detects with hand-held intelligent PDA.When test, user is asked
It assists that the socket in terminal insertion user man will be tested, when tester starts to test by hand-held intelligent PDA control.Test
After personnel send beginning test command by hand-held intelligent PDA, hand-held intelligent PDA notifies test terminal by wireless telecommunications, surveys
Examination terminal notifies test host to start to be tested by power line carrier.
(3) test host, which issues, sends signal instruction, and test terminal generates test messenger.It is every by detection to test host
The signal of current clamp, judgement are which block table has accessed test terminal, and result is returned to hand-held intelligent by test terminal
PDA.Test host can also be interacted with hand-held intelligent PDA before testing, by the test archives storage of generation in local, often
Secondary test is automatic to carry out archives correction, after the completion, finally imports hand-held intelligent PDA.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic illustration of the detection system of visiting one house after another of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the detection system of visiting one house after another of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of student's Multi-purpose gauge of the embodiment of the present invention.
Description of symbols:
In Fig. 1-Fig. 3, hand-held intelligent PDA1；Test host 2；Test terminal 3；First current clamp 4；Second current clamp 5；
Third current clamp 6；4th current clamp 7；5th current clamp 8；6th current clamp 9；First ammeter 10；Second ammeter 11；Third electricity
Table 12；4th ammeter 13；5th ammeter 14；6th ammeter 15；Current sampling module 16；Voltage sample module 17；Electric current A/D turns
Change the mold block 18；Voltage A/D conversion module 19；Dsp processor 20；FLASH memory 21；First STM32 single-chip microcontroller 22；USB connects
Mouth 23；First carrier module 24；First bluetooth module 25；Socket 26；Test signal generating circuit 27；2nd STM32 single-chip microcontroller
28；Second carrier module 29；Second bluetooth module 30.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to
The embodiment of attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.It ties below
Attached drawing is closed to further illustrate.
As shown in Figure 1-Figure 3, detection system of visiting one house after another of the invention includes test host 2, the test host 2 and hand-held intelligence
Energy PDA1 is connected, and the test host 2 is also connected with test terminal 3, and the test terminal 3 is also connected with hand-held intelligent PDA1,
The test host 2 is connected with current clamp, and the test terminal 3 is connected with ammeter, and the current clamp is connected with ammeter, the hand
Intelligent PDA 1 is held to be connected with current clamp and ammeter respectively.
Embodiment one: specifically, hand-held intelligent PDA1 is connected by wireless telecommunications with test terminal 3, test host 2 passes through
Power line carrier is connected with test terminal 3.
Specifically, current clamp includes the first current clamp 4, the second current clamp 5, third current clamp 6, the 4th current clamp the 7, the 5th
Current clamp 8, the 6th current clamp 9, the first current clamp 4, the second current clamp 5, third current clamp 6, the 4th current clamp 7, the 5th electric current
Pincers 8 and the 6th current clamp 9 respectively with corresponding first ammeter 10, the second ammeter 11, third ammeter 12, the 4th ammeter the 13, the 5th
Ammeter 14 is connected with the 6th ammeter 15.
Specifically, hand-held intelligent PDA1 may select for anti-visit one house after another and verify instrument use or family table by built-in APP
Archives checking system uses.When as family table archives checking system in use, test before by power consumer archives to be detected import
To hand-held intelligent PDA 1.Scene passes through field data and system file by infrared communication or scanning electric energy meter assets coding
Compare, completes family table relationship and verify.After the completion of test, the power consumer archives export that verification is completed is transferred to power marketing system
System.When as family table relationship instrument in use, hand-held intelligent PDA1 scan table coding with current clamp encode, it is established that electric energy meter and electricity
Flow the corresponding relationship of pincers.When test, hand-held intelligent PDA1 is issued to test terminal 3 and is verified by wirelessly communicating with test terminal 3
Order, and the verification that acceptance test terminal 3 returns can be generated EXCEL file, computer reported to file as a result, after detection.
Specifically, hand-held intelligent PDA1 is based on smart phone, on the basis of smart phone in the scheme of root mean square
On extend infrared interface, can be communicated by infrared with electric energy meter, realize the integration of hand-held intelligent PDA1.It is built-in
Specified data encryption ESAM chip and security module are netted by state.In the realization of the part, based on smart phone, intelligent hand
Machine, which has, takes pictures, the functions such as barcode scanning, supports WIFI, bluetooth, and WCDMA communication has USB interface 23, and support extends out storage card etc.
Function.Turn infrared by extending out USB, can satisfy the requirement of infrared communication.
Specifically, specifically, test host 2 includes current sampling module 16 and voltage sample module 17, current sample mould
Block 16 and voltage sample module 17 are connected with electric current A/D converter, voltage A/D converter respectively, electric current A/D converter, voltage
A/D converter is connected with dsp processor 20 again, and dsp processor 20 is connected with the first STM32 single-chip microcontroller 22, the first STM32 monolithic
Machine 22 is connected with FLASH memory 21, USB interface 23, carrier module, bluetooth module respectively.
Specifically, voltage sample module 17 can sample single-phase or three-phase voltage.Current sampling module 16 can acquire 12
The current signal on road can at most extend to 18 tunnels.By dsp processor 20, voltage and current can be accurately calculated, precision can
To reach ± 0.2%, current sampling module 16 can accurately detect the current pulse signal in route.
Specifically, the first STM32 single-chip microcontroller 22 is the main control module for testing host 2, control command can be issued, letter is carried out
Breath interaction.It can carry out Direct Communication with test terminal 3 by carrier module, communicate indirectly with hand-held intelligent PDA1.It can be with
Control FLASH memory 21 carries out local storage.Bluetooth module or USB interface 23 etc. and computer or hand-held intelligence can also be passed through
Energy PDA1 directly carries out the interaction of information.
Specifically, test host 2 is articulated at ammeter box when test, each current clamp access picked out from host is corresponding
Ammeter.By measuring the current signal of every road current clamp, which route is analysis test terminal 3 connect on, thus identifies electricity
The corresponding relationship of table and user verifies the correctness of archives.Measurement result can directly display on a display screen, and simultaneous transmission arrives
Terminal 3 is tested, mobile phone is issued by terminal and is shown.
Specifically, test terminal 3 includes socket 26, socket 26 is connected with test signal generating circuit 27, and test signal produces
Raw circuit 27 is connected with the 2nd STM32 single-chip microcontroller 28, and the 2nd STM32 single-chip microcontroller 28 is connected with carrier module and bluetooth module again.
Test terminal 3 has two big functions: testing the generation of signal and the middle node of hand-held intelligent PDA1 and test 2 information exchange of host
Point.
Specifically, test signal generating circuit 27, by silicon-controlled and inductively or capacitively equal original parts, a capacitive is generated
Or the current break signal of perception, the current signal are to test signal.Test signal is easy to be measured with current clamp, will not
The normal duty and electricity of user are impacted.
Specifically, since test host 2 is placed at electricity box, and testing terminal 3 and hand-held intelligent PDA1 with survey when test
Examination personnel move around, when hand-held intelligent PDA1 and test host 2 apart from farther out when, hand-held intelligent PDA1 and test host 2 are straight
Connecting letter will become extremely difficult.And test terminal 3 and communicated with test host 2 by power line, this method reliability
It is high；It tests terminal 3 and hand-held intelligent PDA1 distance is relatively close always, it can be by wirelessly being communicated.Therefore, terminal 3 will be tested
Intermediate forwarding nodes as hand-held intelligent PDA1 and main-machine communication.
Specifically, testing the order of the main acceptance test host 2 of terminal 3 in test process.It tests host 2 and issues test
After commencing signal, 3 response command of terminal is tested, a detection signal is generated by test signal generating circuit 27, passes through socket
26 and power line be transmitted at ammeter.After host test, a testing result can be provided, the result is whole by test test
End 3 is forwarded at hand-held intelligent PDA1, notifies tester, and family detection terminates, and can carry out the detection at next family.
Specifically, test host 2 includes electric current A/D conversion module 18, voltage A/D conversion module 19, first carrier module
24, the first bluetooth module 25；Testing terminal includes the second carrier module 29；Second bluetooth module 30.
Specifically, work characteristics: using pulse current, the method that FSK power line carrier the combines scene of carrying out does not have a power failure
Test；Testing staff can not enter in user family, it is only necessary to which user aid will test the socket 26 in the insertion of terminal 3 man, keep away
The worry registered one's residence is exempted from；Using high-speed dsp processor 20, high-precision a/d converter, current impulse accuracy in detection is high, as a result
Reliably；It is easy to operate, fast response time, one machine of a people；After host terminal is correctly accessed, staff can be by hand-held
1 interface operation of intelligent PDA, it is seen that result in 10 seconds；It is easy to carry, test terminal 3, host, hand-held intelligent PDA1 phase
It is mutually independent, mobile only detection terminal and hand-held intelligent PDA1 are needed in test, the two is small in size, and it is light-weight, convenient for test
Transfer；Archives are easy to import and export, it is only necessary to which a data wire can carry out data by computer or bluetooth and other equipment
Exchange；Files on each of customers, can be with the correct family table relationship of auto-returned after test without processing；Instrument has multiple protective,
Ensure operational safety.
Specifically, technical indicator: carrier system: 127K centre frequency FSK communication modes；Carrier communication rate: 100BPS；
Voltage, current measurement accuracy: 0.5%；Host, extension set operating voltage: AC220V ± 20%；Host power consumption :≤10VA；Extension set
Power consumption :≤2VA；Operating ambient temperature: -40 DEG C~70 DEG C；Working environment relative humidity :≤93%RH.
Specifically, function: identification ammeter and user's corresponding relationship comb route relationship；Principle: identifier is by test host
2, current clamp, test 3 three parts of terminal composition.It tests terminal 3 and capacitive load is added, be inserted into user's socket 26, test voltage electricity
Stream waveform is detected, and test host 2 passes through the soft judgement membership of APP.Host 2 is tested at ammeter box, is picked out from host
Each current clamp pass through the every road current signal of measurement, analysis test terminal 3 respectively in the output phase line of each ammeter
In which route, the corresponding relationship of ammeter Yu the user is thus identified, verify the correctness of archives.Measurement result is directly being shielded
Upper display, and mobile phone, computer can be uploaded to.
Specifically, host specification: host embedded with bluetooth, WIFI, GPRS, WCDMA, infrared, 485, carrier wave；Power consumption is small
In 3.5w；Identification distance is not less than 1000M；Voltage accuracy 0.5%, phase angular accuracy 1%, 33 subharmonic measurement accuracy 1%.
Specifically, anti-inspection apparatus design of visiting one house after another: it is contemplated that built-in public network communicates, a main slave, at one master and multiple slaves machine
Mode；It is also contemplated that carrier schemes technology: carrier only solution technique；The communication of wireless carrier technology；It is also contemplated that 230M is logical
News mode；Addition high frequency or low frequency electrical signal with directionality can be used in means, and both ends carry out detecting identification, then provides clear
With loop signal or non-signal of going the same way；Power frequency circuit can also be used and determine ohmic load in user's most proximal segment external reinforcement, or be fixed
Current loading carries out both ends and identifies simultaneously；Capacitive load or inductive load can also be added on low-voltage customer circuit, in this way may not be used
Influence active total, more convenient checking loop；Using correspondence code mode, using table side and user side conventional load electric current as foundation,
It carries out corresponding verification and compares differentiation consistency；The circuit on user entrance or user family's inner looping socket 26 are main loaded
Position may be designed as 26 formula of socket and contact pin type；Using different communication modes, a time deviation should all be added from verification
Logical program；It is specific when executing, a people at electricity box, another people on user entrance, equipment be added under table respectively outlet and
At the terminal box of user doorway or in user family at socket 26, after synchronization time, start plus additional standard load, measuring resistance,
Standard electric perhaps normalized current.
Specifically, additional load should have secondary or be confirmed above: can be designed by the maximum standard of electricity box, together
At one electricity box, an equipment can tap 15 precision current transformers, one group of accurate voltage measure loop；It can disposably examine
Survey an entire electricity box；Can table number, family number, room number first be arranged in host side in high-end designs, can input room number from generator terminal, centainly
Just it can input room number at slave after wanting signal detection correct and then pass through the incoming host of communication signal and update main information, then
Main information is printed Premium Features containing family number, room number, table number, user name etc.；Automatic identification, which should be arranged, electricity condition and nothing
Electricity condition function, when no electricity, automatically switches to battery power supply and remind ray examination, for example to solve line and carry out to ray examination
Etc. basic verification mode, additional low-voltage can also be started in the case where no alternating current, subscriber terminal side adds the side of standard termination
Formula；It is contemplated that the mode of another cable loop payload size, possibility is lower because visit one house after another be usually all it is poor not
More cable lengths；The mode that zero curve is shorted to ground wire, which is checked, visits one house after another, and principle is on condition that always open without earth leakage protective, zero line grounding
Total zero curve can be returned to by zero curve and ground wire afterwards for line current, so the neutral line current at electricity box will appear variation, be changed with this
Rate come embody whether the wiring under same family；The mode that user registers one's residence zero curve (in electricity box) and zero-emission is shorted, this mode can only
Visiting one house after another within the scope of same electricity box is checked, can not be checked in the cable tube after electricity box, in channel, error connection within the walls；It can be with
In conjunction with cell phone application software, the load precise figures that slave is measured with the standard time are transferred to backstage, and live meter reader is copied real-time
Load also passes to backstage, and it is correct to be sent to meter reader confirmation for real-time core pair after correct；It is such the disadvantage is that user to zero power
It can not verify, can not also verify uncharged.
Program profile: embodiment two including test host 2, test 3 two parts of terminal, constitutes slave exact p-value mould
Formula.Scheme cardinal principle is in user side, and indoor installation tests terminal 3, mounting test host 2 at ammeter box, by detecting back
Road voltage, current waveform carry out family table corresponding relationship and verify.Specific implementation are as follows: test terminal 3 inside has the controllable capacitive of switching
Socket 26 in load insertion user man, tests host 2 monitoring voltage, current signal at electric energy meter.Test host 2 and test
Terminal 3 carries out accurate clock synchronization, and terminal tests host 2 by whether can monitor estimated according to Host Command switching capacitive load
Capacitive load currents waveform carry out judging family table corresponding relationship.
Specifically, research contents: originally visiting one house after another and verify instrument test 2 main research of host: high-speed high-accuracy voltage, electricity
Flow acquisition scheme research；Test host 2 and test 3 precise synchronization clock synchronization Mechanism Study of terminal；Accurate voltage, galvanometer quantity algorithm
Research；Originally it visits one house after another and verifies instrument test 3 main research of terminal: accurate capacitive load switching Mechanism Study；With test host 2 it
Between long haul communication Mechanism Study, this verification instrument the key technical indexes to be reached: 0.2 grade of voltage, current precision, 41 subharmonic
Measuring accuracy 1%；Identification distance is not less than 1000m；The communication interfaces such as GPRS/3G/4G, RS485, infrared, carrier wave built in host；
Power consumption is less than 3.5W.
Specifically, project innovation and technological difficulties, the novelty of this programme is as follows: not consuming active electricity in detection process
Can, do not have a power failure, avoids generating unnecessary dispute；Testing staff is indoor without entering, and user aid is only needed to insert terminal 3 is tested
Entering on socket 26, reduces the embarrassment registered one's residence in family；Detection operating process is simple, and testing result is reliable.
Specifically, the technical problem underlying and solution of this programme are as follows: technical problem one: high-accuracy voltage current wave
The acquisition of shape, this programme mainly judge family table relationship, this side by the regular capacitive low current of the detection test generation of terminal 3
The reliability of formula relies primarily on the order of accuarcy of waveform acquisition on site.Therefore, how to realize that high-precision fast signal recording is adopted
Collection is an important technological problems for needing to solve.Using 0.1 grade of high-end advanced collection of simulant signal skill of gate energy meter
Art, 24 bit AD sample chips+high-speed dsp processor 20 of high-speed, high precision is, it can be achieved that high-precision, the recording of rapid field waveform
Acquisition.
Specifically, technical problem two: accurate voltage, current calculation method, it is generally the case that on non-electrical peak, big portion
Divide user power utilization equipment and consumption habit more similar, detection is relatively easy.But in peak of power consumption, the load condition of user is poor
It is different larger, if voltage, the electric current accuracy of measuring be not high to have an impact the correctness of testing result.Therefore, to acquisition signal
High precision computation can directly determine the accuracy of testing result.Solution: at dynamic load metering, harmonic wave metering and critical point
There is mature development Experience in terms of measurement meter, advanced metering algorithm can be used to solve the problems, such as this.
Specifically, anti-inspection apparatus design of visiting one house after another, it is contemplated that built-in public network communication, a main slave, at one master and multiple slaves machine
Mode；It is also contemplated that carrier schemes technology: carrier only solution technique；The communication of wireless carrier technology；It is also contemplated that 230M is logical
News mode, 230M are dedicated wireless uplink communication modes, are almost used less than in anti-detection of visiting one house after another.Band side can be used in means
The addition high frequency or low frequency electrical signal of tropism, both ends carry out detecting identification, then provide clear with loop signal or non-letter of going the same way
Number；High frequency or low frequency carrier signal directionality be not strong, if trap is not installed in ammeter side, the injected carrier at a certain user
It may also detect that signal at other users under signal, same bus or same phase line, accurate detection can not be carried out.And pacify
It is more complicated to fill trap operation, and has some potential safety problems, practicability is lower.It is nearest in user that power frequency circuit can also be used
The additional fixed ohmic load of section, or be fixed current loading and carry out both ends while identifying, if it is constant resistance load, for convenient for
Detection, power requirement is relatively large, and fever is corresponding more, and scene needs to consider heat dissipation problem when using；And use ohmic load
It will increase the active consumption of user.It is identified it is recommended that capacitive load is added.
Specifically, can also on low-voltage customer circuit plus capacitive load or inductive load, can not influence in this way it is active total,
More convenient checking loop, capacitive load are easy to produce and small in size, and when detection does not influence active total, facilitate operation, inductance is born
Load is less susceptible to generate, and volume is very huge compared with capacitor under Same Efficieney, and than cumbersome, and cost is higher, does not recommend to make
With.
Specifically, using table side and user side conventional load electric current as foundation, carrying out corresponding verification ratio using correspondence code mode
Compared with differentiation consistency；User side cable is hidden in wall under normal conditions, and detection user's total load wiring is complex, is needed
Indoor distribution box etc. is opened, is implemented relatively difficult.
Specifically, the circuit on user entrance or user family's inner looping socket 26 are main loaded position, can design
It is 26 formula of socket and contact pin type, it is generally the case that user entrance is all located in user family without terminal box, distribution box.It builds
View detection load design is 26 formula of socket, safe and reliable, easy to operate.Using different communication modes, it is inclined that a time should all be added
Difference checks logical program certainly；When specific execution, at electricity box, another people is added under table a people respectively in user entrance, equipment
At outlet and user doorway terminal box or in user family at socket 26, after synchronization time, start plus additional standard load, mark
Quasi- resistance, standard electric perhaps normalized current, detection load design is 26 formula of socket, safe and reliable, easy to operate.
Specifically, can be designed by the maximum standard of electricity box, at the same electricity box, an equipment can tap 15
Precision current transformer, one group of accurate voltage measure loop；An entire electricity box can disposably be detected；Most of the time flower when detection
In addition of the user from equipment, at same electricity box, disposably accesses 15 current transformers and the raising of whole efficiency is made
With little, and it is higher to do so equipment cost.Overall efficiency and cost, it is proposed that four circuits of detection.
Specifically, can table number, family number, room number first be arranged in host side in high-end designs, room number can be inputted from generator terminal, one
Surely just it can input room number at slave after wanting signal detection correct and then pass through the incoming host of communication signal and update main information, so
Main information is printed Premium Features containing family number, room number, table number, user name etc. afterwards.
Specifically, automatic identification, which should be arranged, an electricity condition and electroless state function, when no electricity, automatically switches to battery power supply
Ray examination is reminded, for example to solve line and carry out to the basic verification mode such as ray examination, the city (comprehensively considering) Ye Kewu
In the case where electricity, start additional low-voltage, subscriber terminal side adds the mode of standard termination, can be by adding in the case where there is electricity condition
Enter capacitive load, test voltage current waveform is detected.
Specifically, in the power-off state, device battery does not work for capacity load, table side can only be disconnected and be spaced apart, benefit
It is verified with carrier-current signaling channel method.It is contemplated that the mode of another cable loop payload size, possibility is lower, because
It is all usually more much the same cable length for what is visited one house after another；The mode that zero curve is shorted to ground wire, which is checked, visits one house after another, principle on condition that
It always opens without earth leakage protective, total zero curve can be returned to by zero curve and ground wire for line current after zero line grounding, so zero at electricity box
Line current will appear variation, with this change rate come embody whether the wiring under same family.
The zero curve specifically, user registers one's residence, the interior mode being shorted with zero-emission of electricity box, this mode can only check same electricity box model
Visiting one house after another in enclosing can not check in the cable tube after electricity box, in channel, error connection within the walls；It can be soft in conjunction with cell phone application
Part, the load precise figures that slave is measured with the standard time are transferred to backstage, after the real-time load that live meter reader is copied also passes to
It is correct to be sent to meter reader confirmation for platform, real-time core pair after correct；It is such the disadvantage is that can not verify the user of zero power, it is right
It is uncharged also to verify；The ammeter load of meter reader copy reading is not real-time load, there is the biggish time difference, passes through comparison
The method error of ammeter and the load data of indoor metering equipment is larger.Under normal conditions, user power utilization equipment and consumption habit
More similar, the load data in non-electrical peak, each user family is not much different, and the result accuracy that the method obtains is not
It is high.
Specifically, equipment is constituted, host: work is in batch meter side, measurement or the current electric parameter data of copy reading, feedback data
To slave.Slave: work applies signal or characteristic load, the electric parameter data of receiving host in user side, and thenad machine transmits number
According to.Palm machine: analyzing for human-computer interaction and data, marketing archive information verification, inquiry, field print test data.
Specifically, functional characteristics: more places use: can be tested in the case that without electricity or power transmission, be suitable for it is newly-built and
Transformation cell is visited one house after another inspection, and the application range of product is wide；High efficiency, 5s-40s can measure wiring condition；18 can be accessed simultaneously
Road user carries out wiring condition inspection.Can quickly, accurately search zero firewire of route is visited one house after another, single zero curve is visited one house after another, single firewire is visited one house after another, zero
It is shorted between firewire reversal connection, zero fire and the wiring such as power supply line's open circuit is abnormal；Can field print test result, facilitate live rectification；
Marketing system customer profile information can be imported to palm machine, scene verification customer information, meter bar code information, batch meter bar code information
With the consistency of marketing archives, prevent situation of visiting one house after another caused by archive information typing mistake.Modular working process is effectively right
It visits one house after another and checks that work is supervised: archive information can be created, by flow operations, the complete typing of information material, operating procedure specification is simultaneously mentioned
Show, archive information and test result locally save；Test result can be uploaded, the detection record and report for having anti-counterfeiting mark are generated
It accuses, as project acceptance inspection foundation, to the standardized management for checking work progress closed loop of entirely visiting one house after another.
Specifically, application: suitable for the quick of field erected electric energy meter and marketing system internal file information
It verifies and compares；Suitable for newly-built community, construction team's checking oneself before handing over room to check and accept；Newly-built community is sent suitable for power supply company
Examination before electricity；Wiring detection after being transformed and taking turns dress suitable for old residential area electric energy meter.
The present embodiment visit one house after another detection system application method it is as follows:
(1) before test starts, current clamp is clipped in respectively first on the firewire of corresponding every piece of ammeter.Pass through hand-held intelligent
The bar code of PDA1 sweep current pincers and corresponding ammeter, it is established that the one-to-one relationship of current clamp and ammeter guarantees a table one pincers.
(2) files on each of customers to be detected will be automatically generated in hand-held intelligent PDA1, and each current clamp will be accessed test respectively
Host 2, test host 2 are located at electricity box, and tester carries test terminal 3 and hand-held intelligent PDA1 and detects.When test,
Please user assist by test terminal 3 be inserted into user family in socket 26, tester by hand-held intelligent PDA1 control when open
Begin to test.After tester sends beginning test command by hand-held intelligent PDA1, hand-held intelligent PDA1 is logical by wireless telecommunications
Know that test terminal 3, test terminal 3 notify test host 2 to start to be tested by power line carrier.
(3) test host 2, which issues, sends signal instruction, and test terminal 3 generates test messenger.Test host 2 passes through inspection
The signal of every current clamp is surveyed, judgement is which block table has accessed test terminal 3, and result is returned by test terminal 3 and is held
Intelligent PDA 1.Test host 2 can also be interacted before testing with hand-held intelligent PDA1, by the test archives storage of generation in
Local, test is automatic every time carries out archives correction, after the completion, finally imports hand-held intelligent PDA1.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (6)
- The detection system 1. one kind is visited one house after another, which is characterized in that including testing host, the test host is connected with hand-held intelligent PDA, The test host is also connected with test terminal, and the test terminal is also connected with hand-held intelligent PDA, the test host and electricity Stream pincers be connected, the test terminal is connected with ammeter, and the current clamp is connected with ammeter, the hand-held intelligent PDA respectively with electricity Stream pincers are connected with ammeter.
- 2. detection system according to claim 1 of visiting one house after another, which is characterized in that the hand-held intelligent PDA passes through wireless telecommunications It is connected with test terminal, the test host is connected by power line carrier with test terminal.
- 3. detection system according to claim 1 of visiting one house after another, which is characterized in that the test host includes current sampling module With voltage sample module, current sampling module and voltage sample module respectively with electric current A/D converter, voltage A/D converter phase Even, electric current A/D converter, voltage A/D converter are connected with dsp processor again, dsp processor and the first STM32 single-chip microcontroller phase Even, the first STM32 single-chip microcontroller is connected with FLASH, USB interface, carrier module, bluetooth module respectively.
- 4. detection system according to claim 1 of visiting one house after another, which is characterized in that the test terminal includes socket, described to insert Seat is connected with test signal generating circuit, and the test signal generating circuit is connected with the 2nd STM32 single-chip microcontroller, the 2nd STM32 Single-chip microcontroller is connected with carrier module and bluetooth module again.
- 5. detection system according to claim 1 of visiting one house after another, which is characterized in that the current clamp includes the first current clamp, the Two current clamps, third current clamp, the 4th current clamp, the 5th current clamp, the 6th current clamp, first current clamp, the second electric current Pincers, third current clamp, the 4th current clamp, the 5th current clamp and the 6th current clamp respectively with corresponding first ammeter, the second ammeter, Third ammeter, the 4th ammeter, the 5th ammeter and the 6th ammeter are connected.
- 6. the application method of detection system described in claim 1 of visiting one house after another, which comprises the following steps:(1) before test starts, current clamp is clipped in respectively first on the firewire of corresponding every piece of ammeter.Pass through hand-held intelligent PDA The bar code of sweep current pincers and corresponding ammeter, it is established that the one-to-one relationship of current clamp and ammeter guarantees a table one pincers；(2) files on each of customers to be detected will be automatically generated in hand-held intelligent PDA, each current clamp is accessed into test host respectively, Test host is located at electricity box, and tester carries test terminal and detects with hand-held intelligent PDA.When test, user is asked to assist The socket in terminal insertion user man will be tested by helping, and when tester starts to test by hand-held intelligent PDA control.Tester After member sends beginning test command by hand-held intelligent PDA, hand-held intelligent PDA passes through wireless telecommunications and notifies test terminal, test Terminal notifies test host to start to be tested by power line carrier；(3) test host, which issues, sends signal instruction, and test terminal generates test messenger.It tests host and passes through every electricity of detection The signal of pincers is flowed, judgement is which block table has accessed test terminal, and result is returned to hand-held intelligent PDA by test terminal.It surveys Examination host can also be interacted with hand-held intelligent PDA before testing, by the test archives storage of generation in local, be tested every time It is automatic to carry out archives correction, after the completion, finally import hand-held intelligent PDA.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782120A (en) * | 2019-03-14 | 2019-05-21 | 张艺博 | A kind of low-voltage customer line using ultra-low frequency signal is visited one house after another detection method |
| CN110618346A (en) * | 2019-08-13 | 2019-12-27 | 深圳供电局有限公司 | Household meter identification method and household meter identification device |
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| CN112382076A (en) * | 2020-11-12 | 2021-02-19 | 贵州电网有限责任公司 | Equipment and operation method for acquiring topological information of district electric energy meter |
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