CN204332061U - A kind of carrier system electric power acquisition equipment and carrier test equipment thereof - Google Patents
A kind of carrier system electric power acquisition equipment and carrier test equipment thereof Download PDFInfo
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- CN204332061U CN204332061U CN201520049728.3U CN201520049728U CN204332061U CN 204332061 U CN204332061 U CN 204332061U CN 201520049728 U CN201520049728 U CN 201520049728U CN 204332061 U CN204332061 U CN 204332061U
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Abstract
The utility model discloses a kind of carrier system electric power acquisition equipment, comprise the body be made up of current collection module and the mutual grafting of data integration module, described current collection module by electric power signal collection terminal access civil power custom power line wherein, and obtains electric power signal by its metering circuit and is calculated; Described data integration module obtains the electric power signal after calculating by MCU wherein and carries out data processing, first repeatedly can be stored by flash memory, and carry out carrier data communication by built-in carrier module by it; Wherein be provided with electric contact pin at the sidepiece of current collection module, be provided with electric slot to realize grafting combination at the sidepiece of data integration module.The utility model can be applicable to the data acquisition equipment in grid power system.The invention also discloses a kind of carrier signal testing apparatus supporting with it, can be used for testing staff's portable use, and can grid condition in simulation table district, the carrier performance of test electrical measuring device.
Description
Technical field
The utility model relates to Intelligent centralized meter reading technology, in more specific words it, the utility model relates to a kind of carrier system single-phase electricity measuring equipment and supporting testing apparatus thereof.
Background technology
Automatic meter reading system (AMR) refers to and by transmission medium (such as wireless, wired, power line carrier (PLC) etc.), the electric energy recording Value Data of electric energy meter in platform district is carried out the system of copy reading by long-range main website server, and it is primarily of electric energy meter, collector, concentrator and long-range main website server composition.Concentrator is ingredient in the middle of in AMR system one, and it carries out communication by data channel and main website, completes main website instruction, automatically completes record data of checking meter, and the regular transmission of specifying according to main website is to main website.Along with the scale of Power supply market and complexity strengthen gradually, higher requirement be it is also proposed to the concentrator in Automatic meter reading system system.
Electric power Yun Guan department or power product manufacturer are to power network monitoring, time metering outfit carries out reading or testing, tester is mainly relied on to utilize the data acquisition carrying out wireless mode in the certain predetermined region of hand-held set in platform district, or in debug process, such as, lay the long twisted pair wire of hundreds of rice in a building, building, power circuit in access building carries out carrier meter reading, but due to problems such as signal intensities, may occur there is no the practical problems such as signal or stringing difficulty when changing another building, building, and need different tester's fragmentary works, therefore technical matters highlights: be first test process nonrepeatability, different environment will re-start a test operation, rely on the on-site experience of tester completely, secondly, human cost and experimentation cost are comparatively large, and use and inconvenience, moreover speech, the concrete transmitting/receiving intensity of the uncontrollable carrier signal of tester, this will cause tester to need reciprocal trial, expend time in, and the intensity of the signal collected cannot being analyzed of qualitative, quantitative, make test result to be analyzed on the contrary, help be there is no to test process.
In the prior art, do not relate to and use portable field proving installation, what tester carried is dissimilar testing tool, cannot meet the object of data summarization and integration.
Further in the prior art, do not relate to and use separation type electrical collecting device, namely strong power part is mutually isolated with weak current part, and dismantled and assembled, and still generally use carrier wave power line mode reads its data message.
Utility model content
The utility model is intended to solve aforementioned drawback, design a kind of Monophase electric power collecting device, can be applicable to the data acquisition equipment in grid power system, such as ammeter, collector or concentrator, or some occasion is used in forceful electric power distribution transformer terminals.A kind of carrier signal testing apparatus supporting with it of another embodiment of the utility model design, can be used for testing staff's portable use, and can grid condition in simulation table district, the carrier performance of test electrical measuring device.The utility model technique effect embodies by the following technical programs:
Technical scheme 1: a kind of carrier system electric power acquisition equipment, comprise body, be made up of current collection module and the mutual grafting of data integration module, described current collection module by electric power signal collection terminal access civil power custom power line wherein, and obtains electric power signal by its metering circuit and is calculated; Described data integration module obtains the electric power signal after calculating by MCU wherein and carries out data processing, first repeatedly can be stored by erasable (MTP) storer, and carry out carrier data communication by built-in carrier module by it; Wherein be provided with electric contact pin at the sidepiece of current collection module, be provided with electric slot with matching to realize grafting combination at the sidepiece of described data integration module.
In one embodiment, described current collection module comprises the 2nd MTP storer further, for storing the electric power signal after calculating with a described MTP storer according to a default sequential TN.
In one embodiment, described current collection module comprises again a clock, for triggering described default sequential TN, wherein said default timing Design with: when described data integration module is separated from current collection module, trigger first and preset sequential TN1, current power signal is stopped sending to described MCU, and is stored in the 2nd MTP storer; And when described data integration module is plugged to current collection module, triggers second and preset sequential TN2, the electric power signal be stored in the 2nd MTP storer after presetting sequential TN1 is inserted in a MTP storer.
In one embodiment, first, second MTP storer described is divided into multiple scratch block and a fixed storage block, when electric power signal in described 2nd MTP storer is inserted in a MTP storer, erasing part scratch block wherein, and the data in the scratch block these be wiped free of move in fixed storage block.
In one embodiment, presetting the default sequential TN2 of sequential TN1 and second by described first is coupled in multiple scratch block, and preset and generate linkage identification in the scratch block that sequential TN1 and second presets between sequential TN2 and accord with, in order to set up clock continuous print electric power signal in a MTP storer comprising described first.
In one embodiment, described data integration module comprises display module further, for showing the data message in a MTP storer.
In one embodiment, described display module is when described data integration module is separated from current collection module, the information about power in sequential TN1 moment is preset in display first, and when described data integration module is plugged to current collection module, the information about power in display fixed storage block.
In one embodiment, a described MTP storer or the 2nd MTP storer comprise MOS switch arrays, for controlling the read-write operation of multiple scratch block or fixed storage block.
In one embodiment, described electric contact pin or electrically slot are coupled with isolation module, for shielding in the electromagnetic interference (EMI) patching the generation of the strong power part in process in current collection module.
In one embodiment, described carrier system electric power acquisition equipment is the one in ammeter, data acquisition unit or concentrator.In another embodiment, described electric power signal collection terminal is designed to capacitance-resistance step down type Acquisition Circuit.
Technical scheme 2: a kind of carrier test equipment, for directly reading the information of described carrier system electric power acquisition equipment, described carrier test equipment comprises multiple body, the sidepiece of a body is provided with the pockets corresponding with described carrier system electric power acquisition equipment size wherein, be provided with electrical connector contact pin in a groove, for being electrically connected described carrier system electric power acquisition equipment, be provided with in wherein said carrier test equipment: core board, for electrical connection and these carrier system electric power acquisition equipment mutual; Classification power supply unit, the classification according to held carrier system electric power acquisition equipment is separated power supply with number to it; And isolated location, carry out electrical isolation between these data acquisition equipments.
In one embodiment, the electrical connector contact pin in described groove is identical with the electric contact pin of current collection module sidepiece.
In one embodiment, multiple bodies of described carrier test equipment comprise a forceful electric power portion, external mains supply, produce electric power signal.
Based on this, the utility model technique effect is outstanding to be embodied, first, the present embodiment electric power acquisition equipment can realize easy disassembly, weak current part, i.e. data integration module can be taken off by installation personnel, carrier module and data stored therein, tester is facilitated to test, and in the process pulling down weak current part, strong power part, namely current collection module still can normally be measured or data acquisition, and when re-assemblying, data can correctly read; Secondly, equipment supporting with it can as a working main station, simultaneously again can simulating grid state.
Accompanying drawing explanation
Fig. 1 is the dismounting schematic isometric of the utility model carrier system electric power acquisition equipment;
Fig. 2 is the functional block diagram of the utility model carrier system electric power acquisition equipment;
Fig. 3 is the data correlation read-write schematic diagram between two kinds of MTP;
Fig. 4 A is the first status architecture schematic diagram with the testing apparatus of the utility model carrier system electric power acquisition coordinative composition of equipments;
Fig. 4 B is the using state structure principle chart with the testing apparatus of the utility model carrier system electric power acquisition coordinative composition of equipments.
Embodiment
With reference to Fig. 1 and 2, an embodiment of carrier system electric power acquisition equipment, such as carrier wave meter comprises by can the body of a cubic shaped that forms of the current collection module 200 of grafting and data integration module 100 mutually, certainly, for ANSI type ammeter, a truncated conical shape structure can be formed, bottom is current collection module, top is data integration module, described current collection module 200 accesses 220V or 380V by electric power signal collection terminal 34 wherein and exchanges AC civil power custom power line, read alternating current line of force voltage and current signal, i.e. illustrated L line and N line turnover line end, digital signal value is become by A/D circuit conversion, and obtain the electric power signal of voltage U and electric current I by its metering circuit 300 and calculated, described data integration module 100 obtains the electric power signal P=Σ UI after calculating by MCU 14 wherein and carries out data processing, first repeatedly can be stored by erasable (MTP) storer 16 by it, and be carried out external subcarrier data communication by inside PLC carrier module 15, wherein as shown in Figure 1, be provided with electric contact pin 310 at the top of current collection module 200, be provided with electric slot with matching in the bottom of described data integration module 100 to realize grafting combination.
In one embodiment, described current collection module 200 comprises the 2nd MTP storer 32 further, for storing the electric power signal P after calculating with a described MTP storer 16 according to a default sequential TN.Namely in normal operation, a MTP storer 16 should keep identical and synchronous with the data in the 2nd MTP storer 32.And due in the process that is separated with 200 in module 100, the normal metering of carrier wave meter can not be affected, therefore design two storeies.And according to Electric Measurement Technology principle, electric energy, electricity W=∫ Pt, therefore when treasured becomes normal electricity signal storage, will keep that clock signal TN's is normal simultaneously.
Therefore in another embodiment, described current collection module 200 comprises again a clock, for triggering described default sequential TN, wherein said default sequential TN design with: when described data integration module 100 is separated from current collection module 200, trigger first and preset sequential TN1, current power signal P is stopped sending to described MCU14, and is stored in the 2nd MTP storer 32; And when described data integration module 100 is plugged to current collection module 200, triggers second and preset sequential TN2, the electric power signal be stored in the 2nd MTP storer 32 after presetting sequential TN1 is inserted in a MTP storer 16.
With reference in an embodiment of Fig. 3, first, second MTP storer described is divided into multiple scratch block and a fixed storage block, one MTP includes 6 the first scratch block and a solid-state storage block, data content wherein in the corresponding scratch block I to III of scratch block IV to VI difference, and similarly in described 2nd MTP storer, 3 the 3rd scratch block one_to_one corresponding is with it set.When the electric power signal in the 3rd scratch block is inserted in a MTP storer 16, erasing part scratch block (" blank " region namely shown in figure) wherein, and the data P=Σ UI in the scratch block this be wiped free of moves in the fixed storage block of a MTP 16 and goes.Similarly, the data in the second scratch block I and II keep synchronous with the data in scratch block I and III, the power information in the second scratch block I and II can be deleted, for re-writing next time.
In another embodiment, data in scratch block IV to VI are set to electric power signal associated data, namely electric power signal P can not only as the unique data of test process, because it can not reflect the quality of carrier communication intuitively, needing to calculate (such as) communication baud rate, phase shift and meritorious/reactive power etc. further by incidence relation can for the data of Computer Analysis.
Wherein, as shown in Figure 3, because before " blank " region is inserted into scratch block II during this period of time in, i.e. data integration module 100 is removed in the process reading data, data in block II are empty, associated data so in its correspondence scratch block V then has no way of quoting, and therefore needs to associate after the second sequential TN2 generates.
Further, presetting the default sequential TN2 of sequential TN1 and second by described first is coupled in scratch block I and scratch block III, and comprising the data head and the tail part in the scratch block II between the default sequential TN2 of the described first default sequential TN1 and second, generate linkage identification symbol HD1 and HD2, in order to set up clock continuous print electric power signal in a MTP storer 16.Technician it should be understood that, the content of storage is the order with sequential T, is not random storing data information.
In an embodiment of Fig. 1 and 2, described data integration module 100 comprises display module 111 further, for showing the data message in the fixed storage region of a MTP storer 16.That is, in the process pulling down module 100, it will not show the electricity content of any metering, but according to the operation instruction of operating key 113, can show the content of aforementioned associated data.
In one embodiment, described display module 111 is when described data integration module 100 is separated from current collection module 200, the information about power in sequential TN1 moment is preset in display first, and when described data integration module 100 is plugged to current collection module 200, the information about power in display fixed storage block.
In one embodiment, a described MTP storer or the 2nd MTP storer comprise MOS switch arrays, for controlling the read-write operation of multiple scratch block or fixed storage block.
In one embodiment, described electric contact pin 310 or electrically slot are coupled with isolation module, for shielding in the electromagnetic interference (EMI) patching the generation of the strong power part in process in current collection module 200.Meanwhile, module 100 is provided with gauge tap 112, when electric power fortune pipe personnel uncap order by such as wireless/infrared mode input, presses gauge tap 112 and can pull down module 100.
In one embodiment, described carrier system electric power acquisition equipment is the one in ammeter, data acquisition unit or concentrator.
With reference to Fig. 4 A and 4B, carrier test equipment 10, for directly reading the information of described carrier system electric power acquisition equipment, described carrier test equipment comprises 2 bodies, body 1 can launch along diagram A direction of principal axis, the sidepiece of a body 2 is provided with the pockets 22 and 23 corresponding with described carrier system electric power acquisition equipment size wherein, or 241, be provided with electrical connector contact pin in a groove, for being electrically connected described carrier system ammeter 221,231, the data integration module 100 of such as carrier wave meter, can be inserted in these grooves along L direction.Wherein be provided with in testing apparatus 10: core board, for electrical connection and these carrier system electric power acquisition equipment mutual; Classification power supply unit, the classification according to held carrier system electric power acquisition equipment is separated power supply with number to it; With isolated location 3, carry out electrical isolation between these data acquisition equipments.
In one embodiment, the electrical connector contact pin in described groove is identical with the electric contact pin of current collection module 200 sidepiece.The body 2 of described carrier test equipment 10 comprises a strong power part simultaneously, by the external 220V mains supply of joint 21, produces electric power signal P.This strong power part can as an analog machine of aforementioned current collection module 1, and it is set to a standard device, wherein can the lcd screen on body 1 embody intuitively the test of carrier wave meter.
Simultaneously, the electric power signal collection terminal of carrier wave meter is designed to resistance-capacitance depressurization input mode, with the current transformer used in alternative routine techniques and voltage transformer (VT), do the indoor design structure can saving carrier wave meter like this, structural member is made to be tending towards flat, and then make the design of the module 2 of carrier system ammeter more light and simple, therefore, it is more light that testing apparatus 10 in Fig. 4 can be done on the basis considering the design of normal electrical isolation and Design on thermal insulation, is convenient to carrying of electric power fortune pipe personnel.
Claims (10)
1. a carrier system electric power acquisition equipment, comprise body, it is characterized in that: described body is made up of current collection module and the mutual grafting of data integration module, described current collection module by electric power signal collection terminal access civil power custom power line wherein, and obtains electric power signal by its metering circuit and is calculated; Described data integration module obtains the electric power signal after calculating by MCU wherein and carries out data processing, first repeatedly can be stored by erasable MTP storer, and carry out carrier data communication by built-in carrier module by it; Wherein be provided with electric contact pin at the sidepiece of current collection module, be provided with electric slot with matching to realize grafting combination at the sidepiece of described data integration module.
2. carrier system electric power acquisition equipment according to claim 1, is characterized in that: described current collection module comprises the 2nd MTP storer further, for storing the electric power signal after calculating with a described MTP storer according to a default sequential TN.
3. carrier system electric power acquisition equipment according to claim 2, it is characterized in that: described current collection module comprises again a clock, for triggering described default sequential TN, wherein said default timing Design with: when described data integration module is separated from current collection module, trigger first and preset sequential TN1, current power signal is stopped sending to described MCU, and is stored in the 2nd MTP storer; And when described data integration module is plugged to current collection module, triggers second and preset sequential TN2, the electric power signal be stored in the 2nd MTP storer after presetting sequential TN1 is inserted in a MTP storer.
4. carrier system electric power acquisition equipment according to claim 3, it is characterized in that: first, second MTP storer described is divided into multiple scratch block and a fixed storage block, when electric power signal in described 2nd MTP storer is inserted in a MTP storer, erasing part scratch block wherein, and the data in the scratch block these be wiped free of move in fixed storage block.
5. carrier system electric power acquisition equipment according to claim 4, it is characterized in that: preset the default sequential TN2 of sequential TN1 and second by described first and be coupled in multiple scratch block, and preset and generate linkage identification in the scratch block that sequential TN1 and second presets between sequential TN2 and accord with, in order to set up clock continuous print electric power signal in a MTP storer comprising described first.
6. carrier system electric power acquisition equipment according to claim 1, it is characterized in that: described data integration module comprises display module further, for showing the data message in a MTP storer, described display module is when described data integration module is separated from current collection module, the information about power in sequential TN1 moment is preset in display first, and when described data integration module is plugged to current collection module, the information about power in display fixed storage block.
7. carrier system electric power acquisition equipment according to claim 4, is characterized in that: a described MTP storer or the 2nd MTP storer comprise MOS switch arrays, for controlling the read-write operation of multiple scratch block or fixed storage block.
8. carrier system electric power acquisition equipment according to claim 1, is characterized in that: described electric contact pin or electrically slot are coupled with isolation module, for shielding in the electromagnetic interference (EMI) patching the generation of the strong power part in process in current collection module.
9. carrier system electric power acquisition equipment according to claim 1, is characterized in that: described electric power signal collection terminal is designed to capacitance-resistance step down type Acquisition Circuit.
10. a carrier test equipment, for directly reading the information of carrier system electric power acquisition equipment described in claim 1, it is characterized in that: described carrier test equipment comprises multiple body, the sidepiece of a body is provided with the pockets corresponding with described carrier system electric power acquisition equipment size wherein, be provided with electrical connector contact pin in a groove, for being electrically connected described carrier system electric power acquisition equipment, be provided with in wherein said carrier test equipment: core board, for electrical connection and these carrier system electric power acquisition equipment mutual; Classification power supply unit, the classification according to held carrier system electric power acquisition equipment is separated power supply with number to it; And isolated location, carry out electrical isolation between carrier system electric power acquisition equipment.
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| CN201520049728.3U CN204332061U (en) | 2015-01-23 | 2015-01-23 | A kind of carrier system electric power acquisition equipment and carrier test equipment thereof |
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| CN201520049728.3U CN204332061U (en) | 2015-01-23 | 2015-01-23 | A kind of carrier system electric power acquisition equipment and carrier test equipment thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104574915A (en) * | 2015-01-23 | 2015-04-29 | 国家电网公司 | Carrier type power acquisition equipment and carrier test equipment thereof |
| CN109270309A (en) * | 2018-11-27 | 2019-01-25 | 珠海市运泰利自动化设备有限公司 | A kind of data line functional test platform |
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2015
- 2015-01-23 CN CN201520049728.3U patent/CN204332061U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104574915A (en) * | 2015-01-23 | 2015-04-29 | 国家电网公司 | Carrier type power acquisition equipment and carrier test equipment thereof |
| CN104574915B (en) * | 2015-01-23 | 2018-03-23 | 国家电网公司 | A kind of carrier system electric power acquisition equipment and its carrier test equipment |
| CN109270309A (en) * | 2018-11-27 | 2019-01-25 | 珠海市运泰利自动化设备有限公司 | A kind of data line functional test platform |
| CN109270309B (en) * | 2018-11-27 | 2024-05-17 | 珠海市运泰利自动化设备有限公司 | Data line function test platform |
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