CN204989451U - On --spot check -up communication tester of electric energy meter - Google Patents
On --spot check -up communication tester of electric energy meter Download PDFInfo
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- CN204989451U CN204989451U CN201520572931.9U CN201520572931U CN204989451U CN 204989451 U CN204989451 U CN 204989451U CN 201520572931 U CN201520572931 U CN 201520572931U CN 204989451 U CN204989451 U CN 204989451U
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- 238000004891 communication Methods 0.000 title claims abstract description 96
- 238000012360 testing method Methods 0.000 claims abstract description 68
- 238000012545 processing Methods 0.000 claims abstract description 15
- 230000003993 interaction Effects 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 5
- 238000011156 evaluation Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model provides an on - -spot check -up communication tester of electric energy meter, including electric energy meter data reading unit, communication baud rate test unit and table address reading unit, each unit passes through remote communication module and is connected with data processing module respectively. The utility model discloses an on electric energy meter on -the -spot check gauge basis, increase electric energy meter data reading, communication test instrument such as test of communication baud rate and table address reading unit, make it become the on -the -spot check gauge of novel electric energy meter, can the check -up error of on -the -spot electric energy meter, can test the communication of electronic type electric energy meter again, different producers can test, the touchstone S -parameter output performance of different model electric energy meters under complicated site environment, its product quality of comprehensive evaluation of, be favorable to work efficiency's improvement, make things convenient for developing of site work.
Description
Technical field
The utility model relates to electric power meter inspection technology field, particularly relates to Watt-hour meter's field test communication test instrument.
Background technology
Electric energy meter, as measurement instrument, not only requires to examine and determine accordingly in laboratory, also will test at the scene.Field test electric energy meter should adopt standard electric energy meter method, utilize photoelectricity sampling control or taken temperature the electric signal control that generates electricity carry out inspection.Once, once, at least annual field test of III class electric energy meter once for the field test at least every 6 months of II class electric energy meter for the field test at least every 3 months of I class electric energy meter.
Present electronic electric energy meter not only has function of measuring, and possess communication function, existing electric energy meter on-site calibrator only possesses electric energy meter error verification, the functions such as false wiring analysis, do not possess electric energy meter communication check function, the communication check of electric energy meter also needs to be equipped with testing apparatus in addition, during work staff to carry instrument and meter more, very large inconvenience is caused to work, the patent of CN201220352230.0 provides a kind of communication reliability test macro of intelligent electric energy meter, comprise: the communication reliability test-types determining intelligent electric energy meter, send the communication frame corresponding with described communication reliability test-types, and according to the reaction that each intelligent electric energy meter is made, judge the Test Host of the communication reliability of each intelligent electric energy meter, receive the communication frame corresponding with described communication reliability test-types that described Test Host sends, to the communication frame that each intelligent electric energy meter distribution is corresponding with described communication reliability test-types, and when intelligent electric energy meter makes response to the communication frame received, send the multi-serial-port card of the acknowledge communication frame that intelligent electric energy meter returns to described Test Host, be connected with described multi-serial-port card, receive the communication frame corresponding with described communication reliability test-types of described multi-serial-port card distribution, at least two intelligent electric energy meters that the communication frame received is made a response.But, if both on-site calibrator and communication test system function can be combined, be developed to new testing tool, will the raising of work efficiency be conducive to, and facilitate carrying out of work on the spot.
Utility model content
The purpose of this utility model is to solve the problems of the technologies described above, Watt-hour meter's field test communication test instrument is provided, parameter function efficiently can be carried out to electric energy meter to detect, different manufacturers, the different model electric energy meter parameter output performance under complicated site environment can be tested, its product quality of comprehensive evaluation.
For achieving the above object, the technical scheme that the utility model adopts is: Watt-hour meter's field test communication test instrument, comprise electric energy meter data-reading unit, communication baud rate test cell and table address reading unit, each unit is connected with data processing module respectively by remote communication module.
Described electric energy meter data-reading unit comprises the communication interface of several and field electric energy list catenation, and described communication interface comprises RS232 communication module.
Described communication baud rate test cell comprises carrier signal receiver and Frequency tester.
Described table address reading unit comprises data bus and connected specific store array, and described data bus is connected with described remote communication module by collection in worksite device.
Described remote communication module includes linear light fibre or wireless transmitter.
Described wireless transmitter comprises wireless receiving and dispatching antenna.
Described data processing module comprises MCU processor and the connected human-computer interaction interface of difference.
Watt-hour meter's field test communication test instrument, be tester at the scene basis on, add new communication test system, its communication test function mainly relies on electric energy meter data-reading unit, communication baud rate test cell and table address reading unit to realize, electric energy meter data-reading unit comprises several RS232 communication interfaces, each electric energy meter communication interface in each RS232 interface and ammeter box connects one to one, be used for reading energy data, and by remote communication module, data be transmitted in data processing module.
Communication baud rate test cell comprises carrier signal receiver and Frequency tester, primary recipient also checks the signal of communication of tested electric energy meter to export situation, comprise electric flux pulse output state, multifunctional signal output state and control signal output state, wherein, pulse signal or clock signal can be detected by Frequency tester, non-pulse signal mostly is on-off model or periodic square wave signal, mostly this kind of signal is to transmit with carrier signal form, can test with carrier signal transceiver.
Table address reading unit comprises data bus and connected specific store array, and data bus is connected with remote communication module by collection in worksite device.Specific store array is the storer CAM carrying out classification according to content, this is a kind of special storage array RAM, its groundwork mechanism is exactly an input data item automatically compared with all data item be stored in CAM simultaneously, differentiate whether the data item stored in this input data item and CAM matches, and export match information corresponding to this data item, be particularly useful for data class various, call complicated situation, this kind of storer can make data processing module according to the data category information that will record or call, carry out the accurate extraction of data, convenient and swift.
Collection in worksite device matches with remote communication module and designs, its transmitting-receiving frequency is identical with the transmitting-receiving frequency of remote communication module, remote communication module is connected with data processing module, data processing module comprises MCU processor and the connected human-computer interaction interface of difference, MCU processor can select single-chip microcomputer or dsp processor, have the controlling functions such as selection, comparison, data loading and output, the intelligent maincenter that can realize whole tester controls; Human-computer interaction interface can be set to the mode of full liquid crystal touch screen, also can be set to the mode that touch-tone keypad and display screen are used in combination, can edit, store and transmit communication test data and result.
Remote communication module includes linear light fibre or wireless transmitter, wireless transmitter comprises wireless GSM transport module or wireless GPRS transport module, model calling wireless receiving and dispatching antenna, in order to strengthen wireless transmission distance, adopt the gain and performance that improve antenna, increase wireless device emissive power and receiving sensitivity.Wireless receiving and dispatching Antenna Operation is at the public wave band of 429MHz to 436MHz, because the signal transmission power of this wave band of national regulation must not more than 10mV, just be difficult to promote so antenna sensitivity arrives to a certain degree, therefore select the performance receiving antenna that obviously can improve wireless device, comprise directional gain antenna and Omnidirectional rotation antenna, directional gain antenna is spiral arm dipole antenna, be connected with MCU processor by shielding wire size line, can play and receive and transfer parameter instruction, transmission, the effect of feedback signal, thus reduce the difficulty that engineering raises directivity aligning between line all day, Omnidirectional rotation antenna is the small spiral antenna of omnidirectional in normal orientation, its installation site arbitrarily can adjust in specialized range, mainly conveniently in narrower and small scope, and Signal reception demand can both be met in all directions.
Traditional electric energy meter measuring technology, that electronic electric energy meter is after the collecting devices such as electric current, voltage, electricity gather, on deliver to corresponding main website, send into collection in worksite device after adopting the parallel connection of electronic electric energy meter order wire during concrete operations, but between electronic electric energy meter and collector, because collector parameters (table address, baud rate etc.) and order wire malunion really and often cause communication failure, need the wiring of regular inspection communication link and collector optimum configurations, very inconvenient.The utility model is on electric energy meter field on-site calibrator basis, increase the communication test instruments such as electric energy meter digital independent, communication baud rate test and table address reading unit, become electric energy meter on-site calibrator, the error of field electric energy table can be verified, the communication of electronic electric energy meter can be tested again, different manufacturers, the different model electric energy meter parameter output performance under complicated site environment can be tested, its product quality of comprehensive evaluation, be conducive to the raising of work efficiency, facilitate carrying out of work on the spot.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model system.
Embodiment
As shown in Figure 1, Watt-hour meter's field test communication test instrument, comprise electric energy meter data-reading unit 1, communication baud rate test cell 2 and table address reading unit 12, each unit is connected 9 with data processing module respectively by remote communication module 8; Electric energy meter data-reading unit comprises the communication interface of several and field electric energy list catenation, and communication interface comprises RS232 communication module; Communication baud rate test cell comprises carrier signal receiver 3 and Frequency tester 4; Table address reading unit comprises data bus 5 and connected specific store array 6, and data bus is connected with remote communication module by collection in worksite device 7; Remote communication module includes linear light fibre or wireless transmitter; Wireless transmitter comprises wireless receiving and dispatching antenna; Data processing module comprises MCU processor 10 and the connected human-computer interaction interface 11 of difference.
Watt-hour meter's field test communication test instrument, be tester at the scene basis on, add new communication test system, its communication test function mainly relies on electric energy meter data-reading unit, communication baud rate test cell and table address reading unit to realize, electric energy meter data-reading unit comprises several RS232 communication interfaces, each electric energy meter communication interface in each RS232 interface and ammeter box connects one to one, be used for reading energy data, and by remote communication module, data be transmitted in data processing module.
Communication baud rate test cell comprises carrier signal receiver and Frequency tester, primary recipient also checks the signal of communication of tested electric energy meter to export situation, comprise electric flux pulse output state, multifunctional signal output state and control signal output state, wherein, pulse signal or clock signal can be detected by Frequency tester, non-pulse signal mostly is on-off model or periodic square wave signal, mostly this kind of signal is to transmit with carrier signal form, can test with carrier signal transceiver.
Table address reading unit comprises data bus and connected specific store array, and data bus is connected with remote communication module by collection in worksite device.Specific store array is the storer CAM carrying out classification according to content, this is a kind of special storage array RAM, its groundwork mechanism is exactly an input data item automatically compared with all data item be stored in CAM simultaneously, differentiate whether the data item stored in this input data item and CAM matches, and export match information corresponding to this data item, be particularly useful for data class various, call complicated situation, this kind of storer can make data processing module according to the data category information that will record or call, carry out the accurate extraction of data, convenient and swift.
Collection in worksite device matches with remote communication module and designs, its transmitting-receiving frequency is identical with the transmitting-receiving frequency of remote communication module, remote communication module is connected with data processing module, data processing module comprises MCU processor and the connected human-computer interaction interface of difference, MCU processor can select single-chip microcomputer or dsp processor, have the controlling functions such as selection, comparison, data loading and output, the intelligent maincenter that can realize whole tester controls; Human-computer interaction interface can be set to the mode of full liquid crystal touch screen, also can be set to the mode that touch-tone keypad and display screen are used in combination, can edit, store and transmit communication test data and result.
Remote communication module includes linear light fibre or wireless transmitter, wireless transmitter comprises wireless GSM transport module or wireless GPRS transport module, model calling wireless receiving and dispatching antenna, in order to strengthen wireless transmission distance, adopt the gain and performance that improve antenna, increase wireless device emissive power and receiving sensitivity.Wireless receiving and dispatching Antenna Operation is at the public wave band of 429MHz to 436MHz, because the signal transmission power of this wave band of national regulation must not more than 10mV, just be difficult to promote so antenna sensitivity arrives to a certain degree, therefore select the performance receiving antenna that obviously can improve wireless device, comprise directional gain antenna and Omnidirectional rotation antenna, directional gain antenna is spiral arm dipole antenna, be connected with MCU processor by shielding wire size line, can play and receive and transfer parameter instruction, transmission, the effect of feedback signal, thus reduce the difficulty that engineering raises directivity aligning between line all day, Omnidirectional rotation antenna is the small spiral antenna of omnidirectional in normal orientation, its installation site arbitrarily can adjust in specialized range, mainly conveniently in narrower and small scope, and Signal reception demand can both be met in all directions.
During practical application, MCU processor can also connect statement analysis generation unit, statement analysis generation unit comprises the database storing ammeter canonical parameter information, be connected with specific store array, and test parameters and canonical parameter are compared, and according to the size of relative error, draw detection check form, and by connecting report generation unit, generate final conclusion.Form conclusion can be divided into safety analysis and resolution two parts, the related data that safety analysis draws according to testing standard, carries out standard analysis comparison, sees whether Pass Test requirement; Resolution then provides analysis result, provides corresponding error compensation structure, for the table meter that still can continue to use, can give simple improving or the evaluation used of demoting.
Claims (7)
1. Watt-hour meter's field test communication test instrument, is characterized in that: comprise electric energy meter data-reading unit, communication baud rate test cell and table address reading unit, each unit is connected with data processing module respectively by remote communication module.
2. Watt-hour meter's field test communication test instrument as claimed in claim 1, is characterized in that: described electric energy meter data-reading unit comprises the communication interface of several and field electric energy list catenation, and described communication interface comprises RS232 communication module.
3. Watt-hour meter's field test communication test instrument as claimed in claim 1, is characterized in that: described communication baud rate test cell comprises carrier signal receiver and Frequency tester.
4. Watt-hour meter's field test communication test instrument as claimed in claim 1, it is characterized in that: described table address reading unit comprises data bus and connected specific store array, described data bus is connected with described remote communication module by collection in worksite device.
5. Watt-hour meter's field test communication test instrument as claimed in claim 1, is characterized in that: described remote communication module includes linear light fibre or wireless transmitter.
6. Watt-hour meter's field test communication test instrument as claimed in claim 5, is characterized in that: described wireless transmitter comprises wireless receiving and dispatching antenna.
7. Watt-hour meter's field test communication test instrument as claimed in claim 1, is characterized in that: described data processing module comprises MCU processor and the connected human-computer interaction interface of difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572931.9U CN204989451U (en) | 2015-07-30 | 2015-07-30 | On --spot check -up communication tester of electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572931.9U CN204989451U (en) | 2015-07-30 | 2015-07-30 | On --spot check -up communication tester of electric energy meter |
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| CN204989451U true CN204989451U (en) | 2016-01-20 |
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| CN201520572931.9U Expired - Fee Related CN204989451U (en) | 2015-07-30 | 2015-07-30 | On --spot check -up communication tester of electric energy meter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411483A (en) * | 2016-08-23 | 2017-02-15 | 华立科技股份有限公司 | Method and system for detecting instrument communication baud rate accuracy |
| CN106788920A (en) * | 2016-12-19 | 2017-05-31 | 珠海格力电器股份有限公司 | Baud rate deviation detection method and device and air conditioner indoor unit |
| CN110109043A (en) * | 2019-05-07 | 2019-08-09 | 河南九域腾龙信息工程有限公司 | Electric energy meter detection method, detection terminal and computer readable storage medium |
| CN112487083A (en) * | 2016-07-20 | 2021-03-12 | 创新先进技术有限公司 | Data verification method and equipment |
-
2015
- 2015-07-30 CN CN201520572931.9U patent/CN204989451U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112487083A (en) * | 2016-07-20 | 2021-03-12 | 创新先进技术有限公司 | Data verification method and equipment |
| CN112487083B (en) * | 2016-07-20 | 2024-03-12 | 创新先进技术有限公司 | Data verification method and device |
| CN106411483A (en) * | 2016-08-23 | 2017-02-15 | 华立科技股份有限公司 | Method and system for detecting instrument communication baud rate accuracy |
| CN106411483B (en) * | 2016-08-23 | 2019-10-25 | 华立科技股份有限公司 | A kind of method and system detecting the accuracy of instrument communication baud rate |
| CN106788920A (en) * | 2016-12-19 | 2017-05-31 | 珠海格力电器股份有限公司 | Baud rate deviation detection method and device and air conditioner indoor unit |
| CN106788920B (en) * | 2016-12-19 | 2019-08-23 | 珠海格力电器股份有限公司 | Baud rate deviation detection method and device and air conditioner indoor unit |
| CN110109043A (en) * | 2019-05-07 | 2019-08-09 | 河南九域腾龙信息工程有限公司 | Electric energy meter detection method, detection terminal and computer readable storage medium |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |