CN205067649U - Zero live wire calibration equipment in resident's ammeter - Google Patents
Zero live wire calibration equipment in resident's ammeter Download PDFInfo
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- CN205067649U CN205067649U CN201520826926.6U CN201520826926U CN205067649U CN 205067649 U CN205067649 U CN 205067649U CN 201520826926 U CN201520826926 U CN 201520826926U CN 205067649 U CN205067649 U CN 205067649U
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- 238000001514 detection method Methods 0.000 claims abstract description 45
- 238000004891 communication Methods 0.000 claims abstract description 39
- 238000012360 testing method Methods 0.000 claims abstract description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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Abstract
The utility model relates to an installation of resident's ammeter is checked and accepted and low pressure line detection technical field, and that concretely relates to is a zero live wire calibration equipment in resident's ammeter. Including host computer and handheld quick -witted two parts, the host computer includes host computer CPU host system, host computer wireless communication module, first host computer current transformer detection module, second host current transformer detection module, host computer LED indicating module and host unit power module, handheld quick -witted CPU host system, handheld quick -witted wireless communication module, handheld quick -witted signal load production module, handheld quick -witted power module, handheld quick -witted display module and handheld quick -witted button module are drawn together to handheld press packed bale, handheld quick -witted button module passes to handheld quick -witted CPU host system with button information, and handheld quick -witted CPU host system sends control signal and produces load current for handheld quick -witted signal load production module, gain the host computer testing result through handheld quick -witted wireless communication module with host computer communication to on showing handheld quick -witted display module to the result.
Description
Technical field
The utility model relates to resident's ammeter and installs examination and low-voltage circuit detection technique field, and what be specifically related to is a kind of resident's ammeter zero live wire calibration equipment.
Background technology
In newly-built community resident building, ammeter is corresponding to the live wire of wiring acceptance often only between the table of emphasis family of user, and zero line is not often done to the verifying work of correspondence.Therefore often occur that zero live wire at a residential electricity consumption family, family takes from different ammeters, also can't find abnormal conditions not affecting ammeter metering at ordinary times.But when this user has a power failure, an other zero line mistakenly stop, bring unnecessary power failure puzzlement to other users, and two can not cut off the electricity supply per family completely, with potential safety hazard.
Present most of electric wire all at cabling within the walls, checks cabling to find that the not corresponding difficulty of zero live wire is very large intuitively; Whether another kind method disconnects zero line to check corresponding one by one, but this method brings the puzzlement that has a power failure to user.
Do not have for a long time ripe product can easy, exactly and family corresponding to zero live wire show corresponding situation and carry out confirmatory detection, guarantee circuit cabling accurately, safety.
For improving satisfaction, the minimizing potential safety hazard of residential power client; The testing of zero live wire corresponding relation and family table corresponding relation improves in the urgent need to technology innovation and equipment, needs more easy mode of operation to obtain test result more accurately, guarantees the correctness of routing electric wires.
Utility model content
The purpose of this utility model provides a kind of resident's ammeter zero live wire calibration equipment for above-mentioned weak point, can measure ammeter situation corresponding to user when newly-built community dress table connects electricity easily and accurately, and whether checking each household zero live wire is corresponding consistent.
The utility model resident ammeter zero live wire calibration equipment takes following technical scheme to realize:
Resident's ammeter zero live wire calibration equipment comprises main frame and hand-held set two parts; Main frame comprises host CPU main control module, hosi wireless communication module, the first main frame current transformer detection module, the second main frame current transformer detection module, main frame LED indicating module and host power supply module;
Host CPU main control module is connected with hosi wireless communication module, the first main frame current transformer detection module, the second main frame current transformer detection module, main frame LED indicating module and host power supply module respectively; Current detecting information is sent to host CPU main control module by described first current transformer detection module and the second current transformer detection module; Host CPU main control module sends described current signal to hand-held set by hosi wireless communication module;
Hand-held set comprises hand-held set CPU main control module, hand-held set wireless communication module, hand-held set signal load generation module, hand-held set power module, hand-held set display module and hand-held set key-press module;
Hand-held set CPU main control module is connected with hand-held set wireless communication module, hand-held set signal load generation module, hand-held set power module, hand-held set display module and hand-held set key-press module respectively; Key information is passed to hand-held set CPU main control module by described hand-held set key-press module, and hand-held set CPU main control module sends to hand-held set signal load generation module to produce load current control signal; Obtain Host Detection result by hand-held set wireless communication module and main-machine communication, and result is shown on hand-held set display module.
Described hosi wireless communication module adopts 433M wireless communication module, and emissive power can reach 20dbm, can also can proper communication in the place slightly far away with hand-held set distance.
Described main frame LED indicating module has program running indicator, battery electric quantity pilot lamp, testing result pilot lamp and communications status pilot lamp, for pointing out out the state of current hosts work.
Described first main frame current transformer detection module and the second main frame current transformer detection module, all adopt the open-close type current transformer of 160A/40MA, does overcurrent and overvoltage protection at the secondary employing LL4148 of current transformer and TVS pipe.
Described host power supply module adopts lithium battery power supply mode, and lithium battery capacity adopts 2400MAH, can long time for host work, use the trouble of removing power taking from the scene.
The RN8215 main control chip that described hand-held set CPU main control module adopts sharp energy micro-, RN8215 main control chip internal resource enriches, and external communication interface is numerous.
Described hand-held set load signal generation module thyristor and power resistor composition, thyristor adopts BCA60-1600 (60A1600V), power resistor 1W Chip-R carries out the resistance that series and parallel connections forms 1 50W, can produce the big current signal of 10MS according to the folding of thyristor.
Described hand-held set wireless communication module adopts 433M wireless communication module, and emissive power can reach 20dbm, can also can proper communication in the place slightly far away with main frame distance.
Described hand-held set display module adopts 12864 lattice lcd modules, is used for showing main frame and records result data.
Described hand-held set power module adopts Switching Power Supply mode, and Switching Power Supply has the advantages such as input range is large, volume is little, output power is large.
A kind of resident's ammeter zero live wire calibration equipment is reasonable in design, simple and conveniently can complete the detection that corresponding situation is shown at zero live wire corresponding relation and family reliably, as long as a testing staff first connects main frame at table case place, then hold hand-held set and plug electricity to each household, just testing result be can demonstrate on the handset, zero line reply relation and family table corresponding relation determined.
Site Detection personnel can be helped to increase work efficiency by the present invention, improve examination reliability.Can only have a power failure by a family at a family before avoiding, by checking that stopping telegram in reply situation determines family table corresponding relation, and to the drawback that zero live wire corresponding relation is ignored.Reduce the requirement of technology to survey crew and fitness, also need not have a power failure during detection and bring puzzlement to user.
Accompanying drawing explanation
Below with reference to accompanying drawing, the utility model is described further:
A kind of resident's ammeter zero of Fig. 1 the present invention live wire calibration equipment uses schematic diagram;
A kind of resident's ammeter zero of Fig. 2 the present invention live wire calibration equipment main frame theory diagram;
A kind of resident's ammeter zero of Fig. 3 the present invention live wire calibration equipment hand-held set theory diagram.
In figure: 1, main frame, 2, hand-held set, 3, ammeter, 4, user, the 5, first main frame current transformer detection module, the 6, second main frame current transformer detection module.
Embodiment
With reference to accompanying drawing 1 ~ 3, resident's ammeter zero live wire calibration equipment comprises main frame 1 and hand-held set 2 two parts; Main frame 1 comprises host CPU main control module, hosi wireless communication module, the first main frame current transformer detection module, the second main frame current transformer detection module, main frame LED indicating module and host power supply module;
Host CPU main control module is connected with hosi wireless communication module, the first main frame current transformer detection module, the second main frame current transformer detection module, main frame LED indicating module and host power supply module respectively; Current detecting information is sent to host CPU main control module by described first current transformer detection module and the second current transformer detection module; Host CPU main control module sends described current signal to hand-held set by hosi wireless communication module;
Hand-held set 2 comprises hand-held set CPU main control module, hand-held set wireless communication module, hand-held set signal load generation module, hand-held set power module, hand-held set display module and hand-held set key-press module;
Hand-held set CPU main control module is connected with hand-held set wireless communication module, hand-held set signal load generation module, hand-held set power module, hand-held set display module and hand-held set key-press module respectively; Key information is passed to hand-held set CPU main control module by described hand-held set key-press module, and hand-held set CPU main control module sends to hand-held set signal load generation module to produce load current control signal; Obtain Host Detection result by hand-held set wireless communication module and main-machine communication, and result is shown on hand-held set display module.
When resident's ammeter zero live wire calibration equipment uses, using method is as follows:
1), after finding ammeter 3 epi-position of user, connected with the live wire of ammeter 3 by the first main frame current transformer detection module 5 of main frame 1 at ammeter 3 place of user, the second main frame current transformer detection module 6 connects with the zero line of ammeter 3;
2) open host power supply module switch, main frame 1 is started working;
3) host CPU main control module constantly detects the current signal that the first current transformer detection module and the second current transformer detection module are brought;
When detecting that the first current transformer detection module 5 has the big current of lasting 10MS, when the second current transformer detection module 6 also has a big current of lasting 10MS, illustrate that zero live wire corresponding relation is correct and ammeter 3 is correct with user 4 corresponding relation;
When detecting that the first current transformer detection module 5 has the big current of lasting 10MS, and when the second current transformer detection module 6 does not continue the big current of 10MS, zero line corresponding relation mistake is described;
When detecting that the first current transformer detection module 5 continues the big current of 10MS, and when the second current transformer detection module 6 has a big current of lasting 10MS, live wire corresponding relation mistake is described;
4) testing result described in step 3) saves by host CPU main control module, and is shown by main frame LED indicating module;
5) hand-held set 2 is obtained zero line with user 4 place and after live wire is connected, hand-held set 2 powers on and starts working, and by hand-held set key-press module, key information is passed to hand-held set CPU main control module, makes hand-held set 2 produce load signal; Hand-held set 2 is communicated with main frame 1 by hand-held set wireless communication module, main frame 1 testing result is shown on hand-held set display module, thus completes verification.
Claims (10)
1. resident's ammeter zero live wire calibration equipment, is characterized in that: comprise main frame and hand-held set two parts; Main frame comprises host CPU main control module, hosi wireless communication module, the first main frame current transformer detection module, the second main frame current transformer detection module, main frame LED indicating module and host power supply module;
Host CPU main control module is connected with hosi wireless communication module, the first main frame current transformer detection module, the second main frame current transformer detection module, main frame LED indicating module and host power supply module respectively; Current detecting information is sent to host CPU main control module by described first main frame current transformer detection module and the second main frame current transformer detection module; Host CPU main control module sends described current signal to hand-held set by hosi wireless communication module;
Hand-held set comprises hand-held set CPU main control module, hand-held set wireless communication module, hand-held set signal load generation module, hand-held set power module, hand-held set display module and hand-held set key-press module;
Hand-held set CPU main control module is connected with hand-held set wireless communication module, hand-held set signal load generation module, hand-held set power module, hand-held set display module and hand-held set key-press module respectively; Key information is passed to hand-held set CPU main control module by described hand-held set key-press module, and hand-held set CPU main control module sends to hand-held set signal load generation module to produce load current control signal; Obtain Host Detection result by hand-held set wireless communication module and main-machine communication, and result is shown on hand-held set display module.
2. resident's ammeter zero live wire calibration equipment according to claim 1, is characterized in that: described hosi wireless communication module adopts 433M wireless communication module.
3. resident's ammeter zero live wire calibration equipment according to claim 1, it is characterized in that: described main frame LED indicating module has program running indicator, battery electric quantity pilot lamp, testing result pilot lamp and communications status pilot lamp, for pointing out out the state of current hosts work.
4. resident's ammeter zero live wire calibration equipment according to claim 1; it is characterized in that: described first main frame current transformer detection module and the second main frame current transformer detection module; all adopt the open-close type current transformer of 160A/40MA, do overcurrent and overvoltage protection at the secondary employing LL4148 of current transformer and TVS pipe.
5. resident's ammeter zero live wire calibration equipment according to claim 1, is characterized in that: described host power supply module adopts lithium battery power supply mode, and lithium battery capacity adopts 2400MAH.
6. resident's ammeter zero live wire calibration equipment according to claim 1, is characterized in that: described hand-held set CPU main control module adopts RN8215 main control chip.
7. resident's ammeter zero live wire calibration equipment according to claim 1, it is characterized in that: described hand-held set load signal generation module thyristor and power resistor composition, thyristor adopts BCA60-1600 thyristor, power resistor 1W Chip-R carries out the resistance that series and parallel connections forms 1 50W, produces the big current signal of 10MS according to the folding of thyristor.
8. resident's ammeter zero live wire calibration equipment according to claim 1, is characterized in that: described hand-held set wireless communication module adopts 433M wireless communication module.
9. resident's ammeter zero live wire calibration equipment according to claim 1, is characterized in that: described hand-held set display module adopts 12864 lattice lcd modules, is used for showing main frame and records result data.
10. resident's ammeter zero live wire calibration equipment according to claim 1, is characterized in that: described hand-held set power module adopts Switching Power Supply mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826926.6U CN205067649U (en) | 2015-10-23 | 2015-10-23 | Zero live wire calibration equipment in resident's ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826926.6U CN205067649U (en) | 2015-10-23 | 2015-10-23 | Zero live wire calibration equipment in resident's ammeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205067649U true CN205067649U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520826926.6U Active CN205067649U (en) | 2015-10-23 | 2015-10-23 | Zero live wire calibration equipment in resident's ammeter |
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| Country | Link |
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| CN (1) | CN205067649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182170A (en) * | 2015-10-23 | 2015-12-23 | 国家电网公司 | Device and method for verifying zero and firing lines of household electricity meter |
| CN115598566A (en) * | 2022-12-13 | 2023-01-13 | 麦田能源有限公司（Cn） | Method and device for checking electric meter wiring, processor and electronic equipment |
-
2015
- 2015-10-23 CN CN201520826926.6U patent/CN205067649U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182170A (en) * | 2015-10-23 | 2015-12-23 | 国家电网公司 | Device and method for verifying zero and firing lines of household electricity meter |
| CN105182170B (en) * | 2015-10-23 | 2018-07-03 | 国家电网公司 | A kind of zero firewire calibration equipment of resident's ammeter and its method of calibration |
| CN115598566A (en) * | 2022-12-13 | 2023-01-13 | 麦田能源有限公司（Cn） | Method and device for checking electric meter wiring, processor and electronic equipment |
| CN115598566B (en) * | 2022-12-13 | 2023-05-09 | 麦田能源有限公司 | Ammeter wiring inspection method and device, processor and electronic equipment |
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