CN111744819A - Collector sorting equipment and method - Google Patents
Collector sorting equipment and method Download PDFInfo
- Publication number
- CN111744819A CN111744819A CN202010393214.5A CN202010393214A CN111744819A CN 111744819 A CN111744819 A CN 111744819A CN 202010393214 A CN202010393214 A CN 202010393214A CN 111744819 A CN111744819 A CN 111744819A
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- collector
- sorting
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- concentrator
- collectors
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/3412—Sorting according to other particular properties according to a code applied to the object which indicates a property of the object, e.g. quality class, contents or incorrect indication
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C7/00—Sorting by hand only e.g. of mail
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/068—Arrangements for indicating or signaling faults
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to a collector sorting device and a method, which are used for collector fault detection and sorting, and comprise the following steps: the system comprises a collector installation area, a concentrator installation area, a controllable voltage source, an electric energy meter simulation unit, a processor, an attenuator group, a harmonic interference unit, a code scanning unit and a network unit. The method comprises the following steps: the scanning unit scans the bar code of the collector; the processor acquires the information of the collector from the marketing system through the network unit according to the bar code information; the processor performs preliminary sorting on the collectors according to the acquired collector information; and performing function detection on the collectors passing the preliminary sorting, if the function detection is qualified, marking the collectors as qualified, otherwise, marking the collectors to be scrapped. The invention has the advantages that: the device is provided with an attenuator group, a harmonic interference unit and a controllable voltage source, and can simulate the field working condition of the collector, so that the detached and reused collector can stably operate on the field; the device can be used for the fault recurrence of the collector, and is convenient for the collector to be repaired; the wiring terminal is arranged, and the collector is convenient to connect.
Description
Technical Field
The invention relates to the field of sorting of dismantling equipment, in particular to sorting equipment and a method for a collector.
Background
The II-type collector mainly adopts a low-voltage power line carrier communication technology to realize data reading and instruction forwarding of the electric energy meter by the concentrator, and is the most common collection mode used in rural scattered areas at present. The device has a relay function, can realize the forwarding of carrier signals, and has a maintenance-free function of a table address index table, thereby realizing the assembly from bottom to top.
After the II-type collector is put into operation on a large scale, faults such as unstable meter reading and the like often occur. On-site operation and maintenance personnel mostly directly replace the collectors under the condition that the failure reason is difficult to judge at a moment, and actually, most collectors do not have the failure through detection, and a large amount of II-type collectors are directly scrapped to cause serious resource waste. Therefore, how to do the sorting and multiplexing management for disassembling the II-type collector is very important.
Disclosure of Invention
The invention mainly solves the problems that the sorting management is difficult when the collector is disassembled, the sheet surface is sorted, and the field working condition is not considered during sorting, also solves the problem that the fault of the collector is difficult to reproduce, and provides the collector sorting equipment and the method which can simulate the field working condition of the collector to automatically sort the collector.
The technical scheme adopted by the invention for solving the technical problem is that the collector sorting equipment is used for collector fault detection and sorting and comprises the following components:
the concentrator is communicated with the collector and used for acquiring the information of the electric energy meter collected by the collector;
the controllable voltage source is connected with the concentrator and the collector and used for providing alternating-current voltages with different frequencies and different voltage values to realize carrier communication between the concentrator and the collector;
the electric energy meter simulation unit is connected with the concentrator and is used for simulating a plurality of different electric energy meters for the collector to collect data;
and the processor is connected with the electric energy meter simulation unit and the concentrator and used for comparing the data generated by the electric energy meter simulation unit with the data collected by the concentrator.
The meter reading communication function of the collector is tested through a system consisting of the electric energy meter simulation unit, the collector and the concentrator, the field working condition is simulated through adjusting the input voltage value and the voltage frequency of the collector through the controllable voltage source, the adaptability of the collector to the working condition is tested, and the sorting multiplexing collector can be ensured to normally run on the field.
As a preferable scheme of the scheme, the device is provided with a mounting bracket for fixing the collector, a wiring terminal is arranged near the mounting bracket, and the wiring terminal comprises a power line connected with a controllable voltage source and a communication line connected with an electric energy meter simulation unit. The wiring terminal integrates the power line and the communication line together, so that the collector is conveniently connected with the electric energy meter simulation unit.
As a preferable scheme of the above scheme, an attenuator group is arranged between the concentrator and the controllable voltage source, and a control end of the attenuator group is connected with the processor. The processor controls the attenuator group to generate different attenuations, and the attenuations are used for testing the stability of carrier communication between the collector and the concentrator and can also be used for simulating carrier attenuation in actual use.
As a preferable scheme of the scheme, the harmonic interference unit is further arranged, an output end of the harmonic interference unit is connected with an output of the controllable voltage source, and a control end of the harmonic interference unit is connected with the processor. The harmonic interference unit is controlled by the processor to superpose harmonic waves on the output of the controllable voltage source, so that the harmonic interference in field use is simulated, and the harmonic interference unit is used for testing the anti-interference performance of the collector and the concentrator in communication.
As a preferred scheme of the scheme, the system further comprises a code scanning unit for scanning the bar code of the collector and a network unit for connecting the upper computer and the marketing system. The sorting equipment is used for acquiring and updating the collector information pair collectors in the marketing system through the scanning unit and the network unit, and can carry out remote control and sorting data derivation on the sorting device through the upper computer.
As a preferable mode of the above mode, an indicator lamp is further provided near the mounting bracket. The device is used for indicating the sorting result of the collector, the red light is to be scrapped, and the green light is qualified.
Correspondingly, the invention also provides a collector sorting method, and the collector sorting equipment comprises the following steps:
s1: the scanning unit scans the bar code of the collector;
s2: the processor acquires the information of the collector from the marketing system through the network unit according to the bar code information;
s3: the processor performs preliminary sorting on the collectors according to the acquired collector information;
s4: and performing function detection on the collectors passing the preliminary sorting, if the function detection is qualified, marking the collectors as qualified, otherwise, marking the collectors to be scrapped.
The collectors exceeding the scrapping age and damaged in appearance are screened out through primary sorting, the collectors are further sorted through function detection, and the collectors with complete functions are kept to be put into use again.
As a preferred scheme of the above scheme, the collector information includes a collector state production date, the collector state includes operation, outage, to-be-shunted, to-be-dropped and to-be-checked, and the processor modifies the collector state in outage, to-be-shunted and to-be-dropped into the marketing system to be to-be-checked after acquiring the collector information. And modifying the state of the collector in the marketing system, so that the destination of the collector can be conveniently inquired.
As a preferred scheme of the scheme, when the initial sorting is carried out, the collection exceeding the preset scrapping age is marked to be scrapped according to the production date of the collector.
As a preferable solution of the above solution, the function detection includes a communication test, a power supply influence test, a harmonic influence test, and a frequency influence test.
The invention has the advantages that: the device is provided with an attenuator group, a harmonic interference unit and a controllable voltage source, and can simulate the field working condition of the collector, so that the detached and reused collector can stably operate on the field; the device can be used for the fault recurrence of the collector, and is convenient for the collector to be repaired; the wiring terminal is arranged, and the collector is convenient to connect.
Drawings
Fig. 1 is a schematic front view of the sorting device of the collector in the embodiment.
Fig. 2 is a structural block diagram of the collector sorting equipment in the embodiment.
Fig. 3 is a schematic flow chart of the collector sorting method in the embodiment.
1-collector installation area 2-concentrator installation area 3-controllable voltage source 4-electric energy meter simulation unit 5-processor 6-attenuator group 7-harmonic interference unit 8-code scanning unit 9-network unit 10-installation bracket 11-wiring terminal 12-indicator light 13-collector.
Detailed Description
The technical solution of the present invention is further described below by way of examples with reference to the accompanying drawings.
Example (b):
the embodiment provides a collector sorting device, which is used for collector fault detection and sorting, and as shown in fig. 1 and fig. 2, the device includes: collector installing zone 1, concentrator installing zone 2, controllable voltage source 3, electric energy meter analog unit 4, treater 5, attenuator group 6, harmonic interference unit 7, sweep yard unit 8 and network unit 9, including installation bracket 10 in the collector installing zone, binding post 11 and pilot lamp 12, the installation bracket is used for installing collector 13, binding post links to each other with the collector, integrated power cord and the communication line among the binding post, the power cord links to each other with controllable voltage source output, the communication line links to each other with electric energy meter analog unit, electric energy meter analog unit receives the processor control, can simulate a plurality of electric energy meters and supply the collector to carry out the meter reading, the pilot lamp, be used for instructing collector letter sorting result, the red light is for waiting to scrap, the green light is qualified. A concentrator 14 is mounted in the concentrator mounting area 2.
The controllable voltage source control end is connected with the processor, alternating currents with different voltage values and different frequencies are output under the control of the processor, the controllable voltage source output end is connected with the concentrator through the attenuator group, the concentrator is used for acquiring information of the electric energy meter acquired by the collector, the attenuator group control end is connected with the processor, attenuation with different degrees is provided under the control of the processor, the harmonic interference unit control end is connected with the processor, the harmonic interference unit output end is connected with the controllable voltage source output end, and the harmonic interference unit superposes harmonic waves in the alternating currents output by the controllable voltage source under the control of the processor to interfere with carrier communication of the collector and the concentrator. Sweep a yard unit and network element and all link to each other with the treater, the treater acquires the collector serial number through sweeping the sign indicating number, acquires the collector information of this serial number in marketing system through network element, and network element still links to each other with the host computer, can carry out remote control to sorting device through the host computer, also can derive the letter sorting result. The processor judges whether the meter reading communication function of the collector is normal or not by comparing the data generated by the electric energy meter simulation unit with the data collected by the concentrator.
Correspondingly, the embodiment further provides a collector sorting method, as shown in fig. 3, including the following steps:
s1: the scanning unit scans the disassembled bar code of the collector to obtain the serial number of the collector;
s2: the processor acquires the collector information from the marketing system through the network unit according to the collector label, the collector information comprises a collector state and a production date, the collector state comprises operation, outage, to-be-shunted, to-be-dropped and to-be-tested, and the processor modifies the collector state in outage, to-be-shunted and to-be-dropped into the marketing system to be tested after acquiring the collector information;
s3: the processor performs preliminary sorting on the collectors according to the acquired collector information, when the preliminary sorting is performed, the collectors exceeding the preset discarding age are marked to be discarded according to the production date of the collectors, and in addition, the collectors need to be sorted in appearance manually, and the collectors with damaged appearance are screened out;
s4: the method comprises the steps that the collectors which pass through the preliminary sorting are subjected to function detection, if the function detection is qualified, the collectors are marked as qualified, otherwise, the collectors are marked to be scrapped, the function detection comprises communication test, power supply influence test, harmonic wave influence test and frequency influence test, when the function detection is carried out, an electric energy meter simulation unit simulates a plurality of electric energy meters to be used for the collectors to read the meters, and the collectors are subjected to the communication test by comparing the electric energy meter data simulated by the electric energy meter simulation unit with the data received by a concentrator; on the basis of communication test, a power supply influence test is carried out by controlling a controllable voltage source to output a voltage value within a certain range of the rated working voltage of the collector, if the rated working voltage of the collector is 220V, the output voltage of the controllable voltage source is set between 187V and 264V when the power supply influence test is carried out; on the basis of communication test, controlling a controllable voltage source to output alternating current frequency within a certain range of the rated working voltage frequency of the collector to carry out frequency influence test, wherein if the rated working voltage frequency of the collector is 55Hz, the frequency of the output voltage frequency of the controllable voltage source is set between 45Hz and 65Hz when the frequency influence test is carried out; on the basis of communication test, 2-21 harmonics are superimposed in alternating current voltage output by a controllable voltage source through controlling a harmonic interference module to carry out harmonic influence test, for example, the rated working voltage frequency of a collector is 55Hz, and when the frequency influence test is carried out, the frequency of the output voltage of the controllable voltage source is set between 45Hz and 65 Hz. And the attenuation of the attenuator group can be adjusted during the communication test, so that the attenuation test is carried out.
Example 2:
in this embodiment, the collector sorting device in embodiment 1 reproduces a collector fault, and when the collector is put into use, its working environment is not constant, and the collector may be affected by various interferences, for example, the working voltage is too low or too high, the working voltage frequency is too low or too high, the attenuation between the collector and the concentrator is too large, and harmonic interference exists. The collector with the complete function has certain containment to the working environment, but the situation that meter reading cannot be carried out or communication with the concentrator cannot be carried out in the environment can occur to the collector with the fault, when the collector with the fault is disassembled for maintenance, the working power supply provided by the maintenance room is stable, harmonic interference is less, the collector can normally run, and the collector with the fault can be put into use again.
When collector faults are reproduced by using collector sorting equipment, a collector is installed on the installation bracket and connected with the connecting terminal to form a system of the electric energy meter simulation unit, the collector and the concentrator, so that the collector reads the electric energy meter simulated by the electric energy meter simulation unit, the concentrator acquires data obtained by the collector during the reading, and the collector faults are reproduced by continuously adjusting the voltage value and the frequency output by the controllable voltage source, the attenuation of the attenuator group and the harmonic output by the harmonic interference unit, so that the collector is convenient to maintain.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a collector letter sorting equipment for collector fault detection and letter sorting, characterized by: the method comprises the following steps:
the concentrator is communicated with the collector and used for acquiring the information of the electric energy meter collected by the collector;
the controllable voltage source is connected with the concentrator and the collector and used for providing alternating-current voltages with different frequencies and different voltage values to realize carrier communication between the concentrator and the collector;
the electric energy meter simulation unit is connected with the concentrator and is used for simulating a plurality of different electric energy meters for the collector to collect data;
and the processor is connected with the electric energy meter simulation unit and the concentrator and used for comparing the data generated by the electric energy meter simulation unit with the data collected by the concentrator.
2. The collector sorting apparatus of claim 1, wherein: the electric energy meter is characterized in that a mounting bracket for fixing the collector is arranged, a wiring terminal is arranged near the mounting bracket, and the wiring terminal comprises a power line connected with a controllable voltage source and a communication line connected with an electric energy meter simulation unit.
3. The collector sorting apparatus of claim 1, wherein: an attenuator group is arranged between the concentrator and the controllable voltage source, and the control end of the attenuator group is connected with the processor.
4. The collector sorting apparatus of claim 1, wherein: the harmonic interference unit is further arranged, the output end of the harmonic interference unit is connected with the output of the controllable voltage source, and the control end of the harmonic interference unit is connected with the processor.
5. The collector sorting apparatus of claim 1, wherein: the system also comprises a code scanning unit for scanning the bar code of the collector and a network unit for connecting the upper computer and the marketing system.
6. A collector sorting apparatus according to claim 2 wherein: an indicator light is also provided adjacent the mounting bracket.
7. A collector sorting method using the collector sorting apparatus of any one of claims 1-6, characterized in that: the method comprises the following steps:
s1: the scanning unit scans the bar code of the collector;
s2: the processor acquires the information of the collector from the marketing system through the network unit according to the bar code information;
s3: the processor performs preliminary sorting on the collectors according to the acquired collector information;
s4: and performing function detection on the collectors passing the preliminary sorting, if the function detection is qualified, marking the collectors as qualified, otherwise, marking the collectors to be scrapped.
8. The collector sorting method according to claim 7, wherein the method comprises the following steps: the collector information comprises collector states and production dates, the collector states comprise operation, outage, to-be-shunted, to-be-dropped and to-be-tested, and the collector states of outage, to-be-shunted and to-be-dropped are modified to be to-be-tested in the marketing system after the processor acquires the collector information.
9. The collector sorting method according to claim 7, wherein the method comprises the following steps: and when the initial sorting is carried out, marking the collection exceeding the preset scrapping age as to be scrapped according to the production date of the collector.
10. The collector sorting method according to claim 7, wherein the method comprises the following steps: the function detection comprises a communication test, a power supply influence test, a harmonic influence test and a frequency influence test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393214.5A CN111744819A (en) | 2020-05-11 | 2020-05-11 | Collector sorting equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393214.5A CN111744819A (en) | 2020-05-11 | 2020-05-11 | Collector sorting equipment and method |
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| CN111744819A true CN111744819A (en) | 2020-10-09 |
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| CN202010393214.5A Pending CN111744819A (en) | 2020-05-11 | 2020-05-11 | Collector sorting equipment and method |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002296099A (en) * | 2001-03-30 | 2002-10-09 | Anritsu Corp | Combined meter |
| CN103049994A (en) * | 2012-12-28 | 2013-04-17 | 北京煜邦电力技术有限公司 | Production quality detection system of acquisition unit |
| CN103064055A (en) * | 2013-01-08 | 2013-04-24 | 上海市电力公司 | Single phase intelligent electric energy meter collector compatibility type automation verification system and method |
| CN204884160U (en) * | 2015-08-25 | 2015-12-16 | 武汉中原电子信息公司 | Ammeter data collection station detecting system |
| CN205428190U (en) * | 2015-12-01 | 2016-08-03 | 国家电网公司 | Intelligent electric energy meter data acquisition device of multiple strapping table case |
| CN206039832U (en) * | 2016-09-23 | 2017-03-22 | 衢州汇亮售电服务有限公司 | Collector fault detection judges system |
| CN108376324A (en) * | 2018-01-25 | 2018-08-07 | 国网浙江省电力公司衢州供电公司 | A kind of carrier acquisition device measuring asset management system and method |
| CN109510310A (en) * | 2018-11-30 | 2019-03-22 | 天合光能股份有限公司 | Intelligent energy photovoltaic management system |
| CN109598172A (en) * | 2018-03-14 | 2019-04-09 | 国网浙江省电力公司衢州供电公司 | A kind of collector sorting operation system and method based on mobile operation |
| CN110233681A (en) * | 2019-03-21 | 2019-09-13 | 浙江八达电子仪表有限公司 | A kind of II type collector failure tears back sorting detection device open |
| CN212633480U (en) * | 2020-05-11 | 2021-03-02 | 国网浙江省电力有限公司衢州供电公司 | Collector sorting equipment |
-
2020
- 2020-05-11 CN CN202010393214.5A patent/CN111744819A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002296099A (en) * | 2001-03-30 | 2002-10-09 | Anritsu Corp | Combined meter |
| CN103049994A (en) * | 2012-12-28 | 2013-04-17 | 北京煜邦电力技术有限公司 | Production quality detection system of acquisition unit |
| CN103064055A (en) * | 2013-01-08 | 2013-04-24 | 上海市电力公司 | Single phase intelligent electric energy meter collector compatibility type automation verification system and method |
| CN204884160U (en) * | 2015-08-25 | 2015-12-16 | 武汉中原电子信息公司 | Ammeter data collection station detecting system |
| CN205428190U (en) * | 2015-12-01 | 2016-08-03 | 国家电网公司 | Intelligent electric energy meter data acquisition device of multiple strapping table case |
| CN206039832U (en) * | 2016-09-23 | 2017-03-22 | 衢州汇亮售电服务有限公司 | Collector fault detection judges system |
| CN108376324A (en) * | 2018-01-25 | 2018-08-07 | 国网浙江省电力公司衢州供电公司 | A kind of carrier acquisition device measuring asset management system and method |
| CN109598172A (en) * | 2018-03-14 | 2019-04-09 | 国网浙江省电力公司衢州供电公司 | A kind of collector sorting operation system and method based on mobile operation |
| CN109510310A (en) * | 2018-11-30 | 2019-03-22 | 天合光能股份有限公司 | Intelligent energy photovoltaic management system |
| CN110233681A (en) * | 2019-03-21 | 2019-09-13 | 浙江八达电子仪表有限公司 | A kind of II type collector failure tears back sorting detection device open |
| CN212633480U (en) * | 2020-05-11 | 2021-03-02 | 国网浙江省电力有限公司衢州供电公司 | Collector sorting equipment |
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Application publication date: 20201009 |