CN106680758A - Inspection equipment and inspection method for single-phase liquid crystal electricity meter - Google Patents
Inspection equipment and inspection method for single-phase liquid crystal electricity meter Download PDFInfo
- Publication number
- CN106680758A CN106680758A CN201710002785.XA CN201710002785A CN106680758A CN 106680758 A CN106680758 A CN 106680758A CN 201710002785 A CN201710002785 A CN 201710002785A CN 106680758 A CN106680758 A CN 106680758A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- phase liquid
- ammeter
- inspection
- zero line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 72
- 238000007689 inspection Methods 0.000 title claims abstract description 59
- 230000005611 electricity Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 19
- 238000012545 processing Methods 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims description 47
- 230000011664 signaling Effects 0.000 claims description 14
- 230000005856 abnormality Effects 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 10
- 238000012544 monitoring process Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006127 Vicarious substitution reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses an inspection equipment for a single-phase liquid crystal electricity meter. The inspection equipment includes a housing, an electricity meter cavity, a live line zero line inlet wire and a live line zero line outlet wire and also includes a jack cylinder connected with a top board. The top board is provided with round table shaped quick wiring posts corresponding to four wiring holes in the single-phase liquid crystal electricity meter and the round table shaped quick wiring posts are separately connected with the live line zero line inlet wire and the live line zero line outlet wire. The bottom of the electricity meter cavity is provided with a plurality of guide posts aligned to screw holes in the bottom of the single-phase liquid crystal electricity meter. The upper surface of the housing is provided with an interference coil capable of rotating around an axis to the above of the electricity meter cavity. The inspection equipment is provided with a signal transceiving module in communication with the single-phase liquid crystal electricity meter and a signal processing module processing signals of the signal transceiving module. The inspection equipment provided by the invention has advantages of realizing integrated inspection of the electricity meter before delivery and being simple in structure, quick and convenient in operation, comprehensive in inspection items, direct in inspection results and the like.
Description
Technical field
The present invention and electrical appliance field, more particularly to a kind of inspection equipment and the method for inspection of single-phase liquid crystal ammeter.
Background technology
With expanding economy, traditional electrical network must develop to intelligent grid, and this is just to electric power auxiliary facility and equipment
Interface capability, communication capacity and data-handling capacity are put forward higher requirement.And as most important composition in electric-power metering
Part, traditional induction type electric energy meter far can not meet the needs of entire society and economic development.
Based on the development of basic technology, electronic electric energy meter gradually instead of induction type electric energy meter, in order to further meet
The demand of production development, national grid have promulgated the design standard of intelligent electric energy meter, and the ammeter enterprise in the whole country will be according to
A more intelligence of this standard design can more meet the single-phase intelligent electric energy meter of user's request.In fact, the electronic type electricity of early stage
The most of vicariouss components and parts for still adopting of energy table, complete electric energy to the conversion of pulse by photoelectric sensor, then by electronics electricity
Road carries out sampling processing to pulse, completes the metering of electric flux.But the major loop of its measurement is constituted with the components and parts of vicariouss, make
It as induction type electric energy meter, it is still low with precision, the shortcomings of measurement frequency scope is little.
Nowadays, through development for many years, European and American developed countries are in single-phase intelligent electric energy meter field achieved with substantially progressive, intelligence
Constantly ripe, function constantly strengthens energy electric energy meter technology, application is constantly popularized, and functional requirement is definitely.Due to infrastructure
Advantage, American-European countries on the basis of power consumption characteristics and electrical network feature, intelligent electric energy meter it is intelligent, information-based and compatible
Function is enriched constantly, and is widely popularized.Early in 2008, the U.S. just had determined that the function of intelligent electric energy meter, function
It is as follows：Must have remote control switch function, bi-directional data transmitting function, carry information storage function, long-range programing function,
Monitoring voltage feedback information function, power-off positioning function；Electric energy meter must be with hour as unit meter reading, same day transmission data,
Data message extracts interval and is accurate to 15 minutes or shorter；Electric energy meter supports automatic Load control, supports Real-Time Pricing, timesharing
Price, it is possible to calculate the spontaneous electricity of user.At present the intelligent electric energy meter of China has reached or closely developed country
Technical standard, China have become the big producing country of intelligent electric energy meter, and production and research and development ability also have been able to meet international city
The different demands of field, and price advantage is substantially, has had stronger competitiveness in the international market.
But, very important, since ammeter invention, stealing and anti-theft electricity technology are all constantly being won all the time
Draw development, at present by digital electric meter, Every household has an ammeter etc., and mode prevented the rudimentary of most of lawless person originally substantially steals
Electric behavior, but senior electricity filching behavior still remains incessant after repeated prohibition, and because digital electric meter to bring self-confident of power department and because
For a large amount of reductions of the employee that checks meter, on-site supervision is greatly reduced, once stealing finds that new technique can escape from available liquid crystal ammeter
Metering, such as ammeter controller disturb ammeter index by oscillating circuit, by various mode stealings before table is entered, adopt at home
Disturb the stealing modes such as ammeter, the cycle which is found after implementing at the scene greatly prolong with abnormal power mode.
Current liquid crystal digital ammeter not anti-interference or anti-interference first is weak, can produce shake by ammeter controller etc.
Swing electric current to disturb ammeter；Secondly, generally it is only capable of using recording and sending voltage-current curve to server, by manual monitoring
Or software analysis are finding, but the electricity consumption amount in a careless region is all ten hundreds of, is sent out using manual supervisory mode
Now may not；Using software analysis because the probability for curve abnormality occur is more than stealing, often there is erroneous judgement, causes in Jing
The manpower for sending on-site supervision to is wasted in a large number, selective examination means in part also can only be taken in substantial amounts of exception, or is improved fault-tolerant
Rate, artificial construction logic, screens out out and compares unlike stealing, but a large amount of electricity filching behaviors can be caused to have an opportunity to take advantage of.Therefore stealing is existing
As still overcoming completely.Also, most of intelligent electric meter and the liquid crystal ammeter method of inspection are original on the market at present, and wiring is adopted
Wiring by hand, without the more comprehensive method of inspection, such as detects without anti-interference, power stealing etc., also without conveniently checking equipment
Carry out integrated exfactory inspection.
The present inventor applied on the same day one it is entitled《A kind of single-phase liquid crystal ammeter for preventing to sneak current and its control method》's
Patent, but because the ammeter employs brand new technical scheme, without supporting inspection equipment and the method for inspection.
The content of the invention
To solve drawbacks described above present in prior art, the present invention is intended to provide a kind of carry out integral type of dispatching from the factory to ammeter
Check, device structure is simple, simple and quick, inspection project is comprehensive, assay is directly perceived, it is same to the present inventor to be especially suitable for
Filed in day, a kind of single-phase liquid crystal ammeter for preventing to sneak current carries out the inspection equipment and the method for inspection of exfactory inspection.
In order to realize foregoing invention purpose, the present invention is employed the following technical solutions：A kind of inspection of single-phase liquid crystal ammeter sets
It is standby, including housing, be disposed therein for single-phase liquid crystal ammeter accommodate ammeter chamber, live wire inlet wire, zero line inlet wire, live wire outlet,
Zero line outlet；Also include that the jacking cylinder that the other end is connected with top board is fixed in one end with housing, is provided with top board and single-phase liquid crystal
The quick-acting terminal of the corresponding truncated cone-shaped of four wiring holes on ammeter, respectively with live wire inlet wire, zero line inlet wire, live wire outlet, zero
Line outlet is connected；Ammeter bottom of chamber portion is provided with multiple lead columns alignd with single-phase liquid crystal ammeter lower screws hole；Housing upper table
Face is provided with the interference coil that can be pivoted to above ammeter chamber；It is provided with the signal that can be communicated with single-phase liquid crystal ammeter
Transceiver module, and to message processing module that its signal is processed.
The inspection equipment of above-mentioned a kind of single-phase liquid crystal ammeter, wherein：Outer stealing is provided between live wire inlet wire and ground wire
Electrical testing resistance, and the outer power stealing signaling switch of series connection with it, the holding wire and message processing module of outer power stealing signaling switch
Connection.
The inspection equipment of above-mentioned a kind of single-phase liquid crystal ammeter, wherein：Work is provided between live wire outlet, zero line outlet
Make resistance, and the operating switch of series connection with it, the holding wire of operating switch is connected with message processing module.
The inspection equipment of above-mentioned a kind of single-phase liquid crystal ammeter, wherein：The jacking cylinder, outer power stealing signaling switch, work
Switch, interference coil can be individually operated by operation button, also can be carried out successively by PLC programmings automatically.
The method of inspection that a kind of inspection equipment using above-mentioned single-phase liquid crystal ammeter is tested to single-phase liquid crystal ammeter,
Comprise the following steps：
1) single-phase liquid crystal ammeter is in place
Single-phase liquid crystal ammeter is put into into ammeter chamber, lead column ensures that its position is accurate；Start jacking cylinder, top board drives quick
Binding post heads into wiring hole, completes single-phase liquid crystal ammeter and live wire inlet wire, zero line inlet wire, live wire outlet, the fixation of zero line outlet
Connection.
2) power stealing inspection outward
Respective operations button is pressed, message processing module starts outer power stealing signaling switch, now, in live wire inlet wire and ground wire
Between access outer power stealing test resistance, single-phase liquid crystal ammeter should send general alarm signal, and signal transmitting and receiving module is transmitted after receiving
To message processing module, and display whether to check by outer power stealing by display screen.Judgment basis：If not receiving alarm signal,
Then it is judged to not check by this.
3) electric energy metrical inspection
Press respective operations button, message processing module starts operating switch, now, live wire outlet, zero line outlet it
Between access operating resistance, single-phase liquid crystal ammeter carries out electric energy metrical, and after test ending, signal transmitting and receiving module is actively to single-phase liquid crystal
Ammeter obtains variable, and judges its error rate, and display screen displays whether to check by electric energy metrical.Judgment basis：If metering
Error rate exceedes permissible value, then be judged to not check by this.
4) anti-interference inspection
Respective operations button is pressed, interference coil pivoting is to above ammeter chamber；Interference circuit start, interference coil are sent out
Go out strong interfering signals, electric current and voltage waveform are compared by microprocessor with reference waveform in single-phase liquid crystal ammeter, work as ripple
When unusual fluctuations occurs in shape, then higher level alarm signal is sent, signal transmitting and receiving module is transferred to message processing module after receiving；
Meanwhile, single-phase liquid crystal ammeter carry out stress Autonomous test, note abnormalities, send test result and high-grade alarm, also through signal
Transceiver module is transferred to message processing module after receiving, and display screen is displayed whether by anti-interference inspection.Judgment basis：If information
Processing module does not receive any one in higher level alarm and high-grade alarm signal, then be judged to not check by this.
Compared with prior art, the present invention has advantages below：Ammeter is quickly positioned by lead column, it is ensured that position is accurate
Really；Drive truncated cone-shaped quick-acting terminal to head into wiring hole using jacking cylinder, realize with live wire inlet wire, zero line inlet wire, live wire outlet,
The fast-wiring of zero line outlet, the quick-acting terminal of truncated cone-shaped ensure that every circuit is at least all linear contact lay, it is to avoid general goes out
The speed of the manual wiring of factory's inspection is slow, miss line, the problems such as wiring is unstable, pull out line equally rapid；Outer power stealing test resistance mould
The conventional scene sneaked current before ammeter inlet wire is intended, operating resistance simulates normal electricity consumption, and interference coil simulates conventional
The interference for stalling, slow-speed is even reversed is carried out to ammeter by unlawful meanses such as ammeter controllers, these simulated scenarios are exactly
A kind of key monitoring scope of single-phase liquid crystal ammeter for preventing to sneak current that the present inventor applies on the same day, fully examines single-phase liquid crystal
The power stealing test level of ammeter and the accuracy of normal electric energy metrical inspection, therefore check project comprehensive；The present invention can be replaced
For multiple process inspection, guarantee that in link of dispatching from the factory the performance of whole ammeter is up to standard；And programmed by PLC, a key will can be pushed up
The action for rising cylinder, outer power stealing signaling switch, operating switch, interference coil etc. is all programmed, and is looked into by display after carrying out automatically
Assay is seen, it is simple and quick；The motion structure part of this equipment is less, simple structure, and maintenance is convenient.
Description of the drawings
Fig. 1 is the three-dimensional profile figure of the present invention；
Fig. 2 is the structure and circuit diagram of the present invention.
In figure：Interference coil 1, housing 2, display screen 3, lead column 4, ammeter chamber 5, quick-acting terminal 6, top board 7, jacking cylinder
8th, operation button 9, single-phase liquid crystal ammeter 10, wiring hole 11, it is outer power stealing test resistance 12, it is outer power stealing signaling switch 13, live wire 14,
Zero line 15, operating switch 16, operating resistance 17, message processing module 18, signal transmitting and receiving module 19.
Specific embodiment
The present invention is applied to the exfactory inspection of single-phase liquid crystal ammeter, is particularly suited for what the present inventor applied on the same day《It is a kind of
Prevent single-phase liquid crystal ammeter and its control method sneaked current》, before the specific embodiment of the present invention is illustrated, first introduce the patent
In technical scheme, with strengthen the present invention understanding.
《A kind of single-phase liquid crystal ammeter for preventing to sneak current and its control method》Technical scheme it is as follows.
A kind of single-phase liquid crystal ammeter for preventing to sneak current, including arrange on watchcase, watchcase and connect for the Live line Zero line that city is electrically accessed
String holes and louvre, the radome arranged in watchcase, the microprocessor in radome and the power supply being attached thereto
Module, clock module, memory module, electrical quantity comprehensive detection module, display module, self-detection module, and it is arranged on shielding
Communication module that is outside cover, in watchcase and being connected with microprocessor；The radome adds gold attached thereto for metal framework
Category net is constituted, and metal framework and wire netting are preferably copper or aluminum；Installation side of the microprocessor using similar computer CPU
Formula is connected with radome by fin, or microprocessor is directly installed on shielding cover inner surface；Electrical quantity comprehensive detection
Module includes that the electronic current transducer being respectively provided with live wire and zero line and the electronic voltage that arranges between Live line Zero line are mutual
Sensor；The self-detection module includes that the digital control analog switch being connected in parallel between Live line Zero line and digital control simulation are opened
The LED that the test resistance of series connection is connected with test resistance is closed, signal end and the microprocessor of digital control analog switch connect
Connect, i.e., after microprocessor reception test resistance is connected into the order of circuit, letter is opened to digital control analog switch by holding wire
Number, switch becomes path, and test resistance is started working, until length of testing speech finishes rear microprocessor to digital control analog switch
Till shutdown signal.The installation site of LED should ensure that light can spread out of table body by naked eyes it is visible, can be straight to play Field Force
Connect the effect of observation.
The method of inspection of the single-phase liquid crystal ammeter for preventing to sneak current of the present invention, comprises the following steps：
1) normal work
The Live line Zero line of civil power enters watchcase by wiring hole, detects Live line Zero line by electrical quantity comprehensive detection module
In electric current and voltage therebetween, and be transferred to microprocessor, coordinate clock module to carry out power consumption calculating.
2) from judgement, there is abnormal automatic alarm
If 1. live wire is different with the appearance of the electric current of zero line, it is defined by larger, and microprocessor sends general alarm
Signal, Jing communication modules are sent to server；
2. electric current and voltage waveform are compared by microprocessor with the waveform in memory module, when extraordinary wave occurs in waveform
When dynamic, then higher level alarm signal is sent, Jing communication modules are sent to server.
3) Autonomous test
1. stress Autonomous test
When in 2), alert if is triggered, microprocessor is signaled to automatically digital control analog switch and is allowed to close,
Test resistance accesses circuit, and LED is lighted visible, and after specifying duration test, digital control analog switch disconnects, micro-
Processor will be compared before the waveform and electrical quantity in test process and test, is noted abnormalities, and sends test result and high
Level alarm is to server.
2. active Autonomous test
When monitoring personnel or Field Force find that certain ammeter is suspicious, can actively pass through server or hand-held instrument to logical
Letter module sends Autonomous test instruction, and microprocessor is signaled to digital control analog switch and is allowed to close, and test resistance is accessed
Circuit, and LED lights visible, the digital control analog switch disconnection after specifying duration test, and microprocessor will test
During waveform and electrical quantity and test before be compared, note abnormalities, send test result and high-grade alarm to service
Device.
3. test electricity consumption bales catch to remove
Because 1., 2. in two Autonomous test steps, test resistance itself can consume electric energy, microprocessor can be counted automatically
Calculate and reduce the power consumption that test resistance occurs in test process.
Jing test, the present invention prevent sneak current single-phase liquid crystal ammeter can under the power stealing scene of multiple analog automatic decision
And report to the police immediately, by stress Autonomous test provide analytical data.So, monitoring personnel only needs emphasis to pay close attention to high-grade alarm in real time
With its test result, browse higher level alarm daily, the periodically alarm as browsing weekly, high-grade alarm can coordinate
The monitoring camera or check on the spot at scene carrys out emphasis solution, higher level alarm because can automatically stress Autonomous test, from
It is dynamic stress Autonomous test do not pinpoint the problems in the case of only need to selective examination or check when periodically patrolling；General alarm is because fire
Line neutral line current has taken large values, and in the case where other problems are not found, can keep a close eye in selective examination or when periodically patrolling
.
Embodiment 1
A kind of inspection equipment of single-phase liquid crystal ammeter, including housing 2, be disposed therein for single-phase liquid crystal ammeter 10 accommodate
Ammeter chamber 5, live wire inlet wire, zero line inlet wire, live wire outlet, zero line outlet；Also include that the other end and top board are fixed with housing 2 in one end
7 connection jacking cylinders 8, be provided with top board 7 with single-phase liquid crystal ammeter 10 four 11 corresponding truncated cone-shapeds of wiring hole it is quick
Binding post 6, is connected with live wire inlet wire, zero line inlet wire, live wire outlet, zero line outlet respectively；5 bottom of ammeter chamber be provided with it is multiple with
The lead column 4 of 10 lower screws hole of single-phase liquid crystal ammeter alignment, its external diameter are more smaller than the path of screw thread；2 upper surface of housing is arranged
Have and can pivot to interference coil 1 above ammeter chamber 5, buy commercially available ammeter controller and be integrated in housing, connection is dry
Disturb coil 1；The signal transmitting and receiving module 19 that can be wirelessly or non-wirelessly communicated with single-phase liquid crystal ammeter 10 is provided with, and it is right
The message processing module 18 processed by its signal；Outer power stealing test resistance 12 is provided between live wire inlet wire and ground wire, with
And the outer power stealing signaling switch 13 of series connection with it, it is outer power stealing signaling switch 13 holding wire be connected with message processing module 18；
Operating resistance 17, and the operating switch 16 of series connection with it, the letter of operating switch 16 are provided between live wire outlet, zero line outlet
Number line is connected with message processing module 18；PLC is provided with, by the jacking cylinder 8, outer power stealing signaling switch
13rd, the action such as operating switch 16, interference coil 1 (including rotating and starting disturbing circuit) is all programmed, and reserved rational inspection
Duration is tested, so, its action can be individually operated by operation button 9, also can be carried out successively by PLC programmings automatically, the present invention
It is actual realize that effect is, individually the short operation button 9 by each separate operations, individually carries out various operations；By arrange from
Dynamic inspection key, need to only be put into ammeter, and a key can complete all operations.
The method of inspection single-phase liquid crystal ammeter 10 tested using the inspection equipment of the single-phase liquid crystal ammeter of the present invention,
Comprise the following steps：
1) single-phase liquid crystal ammeter 10 is in place
Single-phase liquid crystal ammeter 10 is put into into ammeter chamber 5, lead column 4 ensures that its position is accurate；Start jacking cylinder 8,7 band of top board
Dynamic quick-acting terminal 6 heads into wiring hole 11, completes single-phase liquid crystal ammeter 10 and live wire inlet wire, zero line inlet wire, live wire outlet, zero line
Outlet is fixedly connected.
2) power stealing inspection outward
Respective operations button 9 is pressed, message processing module 18 starts outer power stealing signaling switch 13, now, in live wire inlet wire
Outer power stealing test resistance 12 is accessed between ground wire, single-phase liquid crystal ammeter 10 should send general alarm signal, signal transmitting and receiving module
Message processing module 18 is transferred to after 19 receptions, and displays whether to check by outer power stealing by display screen 3.Judgment basis：If
Alarm signal is not received, is then judged to not check by this.
3) electric energy metrical inspection
Respective operations button 9 is pressed, message processing module 18 starts operating switch 16, now, goes out in live wire outlet, zero line
Cut-in operation resistance 17 between line, single-phase liquid crystal ammeter 10 carry out electric energy metrical, 19 active of signal transmitting and receiving module after test ending
Variable is obtained to single-phase liquid crystal ammeter 10, and judges its error rate, display screen 3 displays whether to check by electric energy metrical.Sentence
Determine foundation：If error in dipping rate exceedes permissible value, it is judged to not check by this.
4) anti-interference inspection
Respective operations button 9 is pressed, interference 1 pivoting of coil is to above ammeter chamber 5；Interference circuit start, interfering line
Circle 1 sends strong interfering signals, and in single-phase liquid crystal ammeter 10, electric current and voltage waveform are compared by microprocessor with reference waveform
Compared with, when unusual fluctuations occurs in waveform, then higher level alarm signal being sent, signal transmitting and receiving module 19 is transferred to information after receiving
Processing module 18；Meanwhile, single-phase liquid crystal ammeter 10 carry out stress self-checking, note abnormalities, send test result and high-grade police
Report, is transferred to message processing module 18 after receiving also through signal transmitting and receiving module 19, and display screen 3 is displayed whether by anti-interference inspection
Test.Judgment basis：If message processing module 18 does not receive any one in higher level alarm and high-grade alarm signal,
It is judged to not check by this.
By the inspection equipment and the method for inspection of the present invention, inspection project is comprehensive, and visual result is visual.
The foregoing description of the disclosed embodiments, only for enabling professional and technical personnel in the field to realize or using this
Invention.Various modifications to these embodiments will be apparent for those skilled in the art, institute herein
The General Principle of definition can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore,
The present invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent most wide scope of point.
Claims (5)
1. a kind of inspection equipment of single-phase liquid crystal ammeter, including housing (2), be disposed therein for single-phase liquid crystal ammeter (10) accommodate
Ammeter chamber (5), live wire inlet wire, zero line inlet wire, live wire outlet, zero line outlet, it is characterised in that：Also include one end and housing
(2) the jacking cylinder (8) that the fixed other end is connected with top board (7), is provided with top board (7) upper four with single-phase liquid crystal ammeter (10)
The quick-acting terminal (6) of the corresponding truncated cone-shaped of wiring hole (11), is gone out with live wire inlet wire, zero line inlet wire, live wire outlet, zero line respectively
Line is connected；Ammeter chamber (5) bottom is provided with multiple lead columns (4) alignd with single-phase liquid crystal ammeter (10) lower screws hole；Shell
Body (2) upper surface is provided with the interference coil (1) that can be pivoted to above ammeter chamber (5)；Being provided with can be with single-phase liquid crystal electricity
The signal transmitting and receiving module (19) communicated by table (10), and the message processing module (18) processed by its signal.
2. a kind of inspection equipment of single-phase liquid crystal ammeter as claimed in claim 1, it is characterised in that in live wire inlet wire and ground wire
Between be provided with outer power stealing test resistance (12), and the outer power stealing signaling switch (13) of series connection with it, outer power stealing signaling switch
(13) holding wire is connected with message processing module (18).
3. a kind of inspection equipment of single-phase liquid crystal ammeter as claimed in claim 2, it is characterised in that in live wire outlet, zero line
Be provided with operating resistance (17), and the operating switch (16) of series connection with it between outlet, the holding wire of operating switch (16) with
Message processing module (18) connects.
4. a kind of inspection equipment of single-phase liquid crystal ammeter as claimed in claim 3, it is characterised in that the jacking cylinder (8), outer
Power stealing signaling switch (13), operating switch (16), interference coil (1) can by operation button (9) it is individually operated, can also pass through
PLC programmings are carried out automatically successively.
5. a kind of inspection equipment using single-phase liquid crystal ammeter as claimed in claim 4 is examined to single-phase liquid crystal ammeter (10)
The method of inspection tested, it is characterised in that comprise the following steps：
1) single-phase liquid crystal ammeter (10) is in place
Single-phase liquid crystal ammeter (10) is put into into ammeter chamber (5), lead column (4) ensures that its position is accurate；Start jacking cylinder (8), top
Plate (7) drives quick-acting terminal (6) to head into wiring hole (11), complete single-phase liquid crystal ammeter (10) and live wire inlet wire, zero line inlet wire,
Live wire outlet, zero line outlet are fixedly connected.
2) power stealing inspection outward
Respective operations button (9) is pressed, message processing module (18) starts outer power stealing signaling switch (13), now, enters in live wire
Outer power stealing test resistance (12) is accessed between line and ground wire, single-phase liquid crystal ammeter (10) should send general alarm signal, and signal is received
Send out, and display whether to check by outer power stealing by display screen (3).
Judgment basis：If not receiving alarm signal, it is judged to not check by this.
3) electric energy metrical inspection
Respective operations button (9) is pressed, message processing module (18) starts operating switch (16), now, in live wire outlet, zero line
Cut-in operation resistance (17) between outlet, single-phase liquid crystal ammeter (10) carry out electric energy metrical, signal transmitting and receiving module after test ending
(19) actively variable being obtained to single-phase liquid crystal ammeter (10), and judging its error rate, display screen (3) is displayed whether by electric energy
Metering test.Judgment basis：If error in dipping rate exceedes permissible value, it is judged to not check by this.
4) anti-interference inspection
Respective operations button (9) is pressed, interference coil (1) pivoting is to above ammeter chamber (5)；Interference circuit start, interference
Coil (1) sends strong interfering signals, and the interior microprocessor of single-phase liquid crystal ammeter (10) is by electric current and voltage waveform and reference waveform
It is compared, when unusual fluctuations occurs in waveform, then sends higher level alarm signal, signal transmitting and receiving module (19) is passed after receiving
It is defeated by message processing module (18)；Meanwhile, single-phase liquid crystal ammeter (10) carry out stress self-checking, note abnormalities, send test knot
Fruit and high-grade alarm, are transferred to message processing module (18) after receiving also through signal transmitting and receiving module (19), display screen (3) shows
Whether show by anti-interference inspection.Judgment basis：If message processing module (18) does not receive higher level alarm and high-grade police
Any one in the number of notifying, then be judged to not check by this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002785.XA CN106680758B (en) | 2017-01-03 | 2017-01-03 | A kind of method of inspection of single-phase liquid crystal ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002785.XA CN106680758B (en) | 2017-01-03 | 2017-01-03 | A kind of method of inspection of single-phase liquid crystal ammeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106680758A true CN106680758A (en) | 2017-05-17 |
| CN106680758B CN106680758B (en) | 2019-08-16 |
Family
ID=58850300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710002785.XA Active CN106680758B (en) | 2017-01-03 | 2017-01-03 | A kind of method of inspection of single-phase liquid crystal ammeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106680758B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526055A (en) * | 2017-08-16 | 2017-12-29 | 广东电网有限责任公司揭阳供电局 | Electric energy meter detection device |
| CN107918036A (en) * | 2017-12-21 | 2018-04-17 | 江苏丽阳电子仪表有限公司 | A kind of mounting process of single-phase intelligent ammeter |
| CN112114194A (en) * | 2020-08-19 | 2020-12-22 | 宁波三星医疗电气股份有限公司 | Electric energy meter operation control method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044390U (en) * | 1988-12-30 | 1989-09-13 | 尤晓 | Multi-functional automatic anti-electricity stealing and protector |
| CN2062453U (en) * | 1989-11-08 | 1990-09-19 | 靳文君 | Electric meter with limited current and anti-stealing electricity function |
| CN2108303U (en) * | 1991-10-08 | 1992-06-24 | 胡景明 | Electricity stealing and limiting device |
| CN101458315A (en) * | 2008-12-18 | 2009-06-17 | 绍兴电力局 | Electric energy meter air pressure connection and ripping device |
| CN201464517U (en) * | 2009-06-12 | 2010-05-12 | 郑州三晖电气股份有限公司 | Positioning and wiring mechanism for electric energy meter |
| JP2010249777A (en) * | 2009-04-20 | 2010-11-04 | Nippon Denki Keiki Kenteisho | Automatic wire connection device for electric meter |
| CN202433516U (en) * | 2011-12-15 | 2012-09-12 | 河南省电力公司计量中心 | Meter carrying tray for three-phase electric energy meter automatic testing line |
| CN202995027U (en) * | 2012-12-26 | 2013-06-12 | 北京煜邦电力技术有限公司 | Ammeter detection system |
| CN203572958U (en) * | 2013-12-05 | 2014-04-30 | 国家电网公司 | Dummy-load-type electric energy meter reading-checking rack |
| CN204101602U (en) * | 2014-10-17 | 2015-01-14 | 北京煜邦电力技术有限公司 | A kind of single-phase smart meter performance test access device |
-
2017
- 2017-01-03 CN CN201710002785.XA patent/CN106680758B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044390U (en) * | 1988-12-30 | 1989-09-13 | 尤晓 | Multi-functional automatic anti-electricity stealing and protector |
| CN2062453U (en) * | 1989-11-08 | 1990-09-19 | 靳文君 | Electric meter with limited current and anti-stealing electricity function |
| CN2108303U (en) * | 1991-10-08 | 1992-06-24 | 胡景明 | Electricity stealing and limiting device |
| CN101458315A (en) * | 2008-12-18 | 2009-06-17 | 绍兴电力局 | Electric energy meter air pressure connection and ripping device |
| JP2010249777A (en) * | 2009-04-20 | 2010-11-04 | Nippon Denki Keiki Kenteisho | Automatic wire connection device for electric meter |
| CN201464517U (en) * | 2009-06-12 | 2010-05-12 | 郑州三晖电气股份有限公司 | Positioning and wiring mechanism for electric energy meter |
| CN202433516U (en) * | 2011-12-15 | 2012-09-12 | 河南省电力公司计量中心 | Meter carrying tray for three-phase electric energy meter automatic testing line |
| CN202995027U (en) * | 2012-12-26 | 2013-06-12 | 北京煜邦电力技术有限公司 | Ammeter detection system |
| CN203572958U (en) * | 2013-12-05 | 2014-04-30 | 国家电网公司 | Dummy-load-type electric energy meter reading-checking rack |
| CN204101602U (en) * | 2014-10-17 | 2015-01-14 | 北京煜邦电力技术有限公司 | A kind of single-phase smart meter performance test access device |
Non-Patent Citations (1)
| Title |
|---|
| 黄荣国 等: "防窃电仿真试验平台设计与实现", 《电测与仪表》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526055A (en) * | 2017-08-16 | 2017-12-29 | 广东电网有限责任公司揭阳供电局 | Electric energy meter detection device |
| CN107918036A (en) * | 2017-12-21 | 2018-04-17 | 江苏丽阳电子仪表有限公司 | A kind of mounting process of single-phase intelligent ammeter |
| CN112114194A (en) * | 2020-08-19 | 2020-12-22 | 宁波三星医疗电气股份有限公司 | Electric energy meter operation control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106680758B (en) | 2019-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202372551U (en) | Electric larceny preventing intelligent remote check device | |
| CN106680758A (en) | Inspection equipment and inspection method for single-phase liquid crystal electricity meter | |
| CN106383763A (en) | Data center intelligent fault detection alarm system | |
| CN106771440B (en) | Control method of single-phase liquid crystal electricity meter for avoiding electricity stealing | |
| CN103200051A (en) | Intelligent substation message simulation testing and association message analysis system and method | |
| CN110491061A (en) | A kind of oppose electricity-stealing evidence-obtaining system and the method for augmented reality | |
| CN200996970Y (en) | Charge-evasion preventer for comparing high-voltage end and low-voltage end quantity | |
| CN207248962U (en) | Low-voltage platform area data analyzer | |
| CN106546936B (en) | Virtual detection system and detection method for detecting energy efficiency monitoring equipment | |
| CN206020991U (en) | Water resource well electricity dual control management system | |
| CN203350433U (en) | Device capable of rapidly determining error of electric energy meter | |
| CN206115587U (en) | Water gauge based on NFC swiftly pays | |
| CN210572666U (en) | Rural power grid distribution transformer temperature monitoring cloud service system based on Internet of things | |
| CN204101720U (en) | Ammeter detection device | |
| CN204405737U (en) | A kind of harmonic measurement device based on DSP | |
| CN211701610U (en) | Power distribution cabinet monitoring system | |
| CN208141207U (en) | A kind of platform for the diagnosis of factory's efficiency | |
| CN204349447U (en) | microcomputer harmonic elimination device | |
| CN102879112B (en) | Dedicated temperature monitoring and recording system for diamond fretsaw | |
| CN110995543B (en) | Non-invasive method for monitoring abnormal internet surfing behavior of minors | |
| CN208109952U (en) | A kind of power quality analyzer | |
| CN203275554U (en) | Multipoint electric power parameter monitoring management system based on ARM and WinCE | |
| CN207601174U (en) | A kind of taiwan area acquisition terminal and unit-area management system | |
| CN206479821U (en) | A kind of pressure vessel operation monitoring system | |
| CN207832314U (en) | A kind of vibration monitoring device for Coal Mine Electromechanical Equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190717 Address after: 325604 Wenzhou, Zhejiang City, Liushi City, Jiangsu Province, Lu Industrial Zone Applicant after: Zhejiang Tengen Electric Co., Ltd. Address before: 100011 No. 19 Beiyuan East Road, Chaoyang District, Beijing Applicant before: Zhang Sheying |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |