CN204882851U - High pressure electric energy meter correction box, high -tension electricity can amplitude correction detecting system - Google Patents
High pressure electric energy meter correction box, high -tension electricity can amplitude correction detecting system Download PDFInfo
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- CN204882851U CN204882851U CN201520473674.3U CN201520473674U CN204882851U CN 204882851 U CN204882851 U CN 204882851U CN 201520473674 U CN201520473674 U CN 201520473674U CN 204882851 U CN204882851 U CN 204882851U
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- electric energy
- voltage
- correction
- energy meter
- voltage electric
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Abstract
The utility model relates to a high pressure electric energy meter correction box can link by the epiphase with the high -tension electricity, including box body, bottom plate, correction circuit, incoming signal line and output signal line, the bottom plate sets up in the box body, revise circuit arrangement on the bottom plate, including input, output, test terminal and six regulating electrical resistance groups, the incoming signal line links to each other with the input, to correction circuit input three phase voltage and electric current, the input has 13 input interfaces, and the output has 13 output interfaces, and the test terminal has 13 test interfaces, and per two input interfaces and a regulating electrical resistance group loop in, with voltage electric current correction to the same amplitude, the output signal line links to each other with the output, exports the metering modules in the high -pressure electric energy meter to, still discloses the high -tension electricity ability amplitude correction detecting system who has high -pressure electric energy meter correction box. The utility model discloses simple structure, the dismouting of being convenient for can be the same amplitude with the correction of three phase voltage electric current, has reduced metering error and spoilage.
Description
Technical field
The utility model relates to the device field that high voltage electric energy is measured, and particularly relates to a kind of high-voltage electric energy meter correction box, a kind of high voltage electric energy amplitude correction detection system.
Background technology
At present, the metering of China's electrical network high voltage electric energy is joined together just can complete by high voltage potential transformer, high-tension current inductor and low-voltage Watt-hour meter three devices always, i.e. the so-called high-voltage electric energy measurement of industry " iron triangle ".Due to three each own respective error in dippings of device, the error in dipping of joining together cannot accurately calculate, and this is a puzzlement power supply enterprise and user's difficult problem always.In today that energy prices skyrocket day by day, this problem is more and more sharp-pointed.On the other hand, a set of high-voltage mutual inductor weight reaches more than 100 kilograms, by consuming a large amount of resources during manufacture, also will consume a large amount of energy during operation.Along with the continuous progress of microelectronics and infotech, people start to consider to cancel high-voltage mutual inductor, break " iron triangle ", electronic installation is allowed directly to measure high voltage electric energy, thus realize high precision int, the equipment miniaturization of high-voltage electric energy measurement, reach the target improving precision, save material, economize energy, namely produce novel high-pressure electric energy meter.
But high-voltage electric energy meter epoxy resin is cast into integral type at present, the parts of its inside mainly comprise acquisition module and metering module, and the three-phase voltage gathering also step-down by acquisition module from 10KV hi-line and come and three-phase current are non-type, neither be general, there is larger amplitude deviation on the one hand, when direct metering module measures this, multiple error in dipping can be produced, on the other hand because the electronic circuit easily damaging metering module is measured in the existence of amplitude deviation for a long time, and when damaging complicated electronic circuit, whole high-voltage electric energy meter is just scrapped.
Therefore, a kind of device that can carry out amplitude correction to the three-phase voltage current gathered of social active demand, to reduce error in dipping and the spoilage of high-voltage electric energy meter, the system of the corresponding amplitude correction detection of demand simultaneously.
In view of above-mentioned defect, the utility model creator obtains this creation finally through long research and practice.
Utility model content
The purpose of this utility model is, provides a kind of high-voltage electric energy meter correction box, high voltage electric energy amplitude correction detection system and method, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the technical solution adopted in the utility model is, first provides a kind of high-voltage electric energy meter correction box, is connected, comprises box body, base plate, correction circuit, input signal cable and output signal line with high-voltage electric energy meter, wherein,
Described base plate is arranged in described box body, and by described base plate four end arrange four mounting holes and screw be fixed installation;
Described correction circuit is arranged on described base plate, and described correction circuit comprises input end, output terminal, test lead and six regulating resistance groups that described base plate is arranged, regulating resistance group described in each can manually adjust its resistance respectively, and described test lead can the amplitude of connecting test device to current three-phase voltage and three-phase current be tested;
Described input signal cable is connected with described input end, in order to the input of described correction circuit by the acquisition module of high-voltage electric energy meter through hi-line collecting and three-phase voltage after step-down process and three-phase current;
Described input end has 13 input interfaces, described output terminal has 13 output interfaces, described test lead has 13 test interfaces, and the input interface described in every two and the regulating resistance group described in form loop, a remaining input interface then connects ground wire, each described input interface, described output interface and described test interface respectively wire jumper are connected, be formed with the corrective loop of three three-phase voltages and the corrective loop of three three-phase currents, in order to will the three-phase voltage of input and three-phase current correction to identical amplitude;
Described output signal line is connected with described output terminal, in order to the three-phase voltage of amplitude identical after correcting process and three-phase current to be exported to the metering module in high-voltage electric energy meter.
The mutual connection in series-parallel of slide rheostat that the corrective loop of described three-phase voltage is 3296 ohm by the resistance of two 150 ohm and maximum value connects and composes, described connection in series-parallel for the resistance described in one connect with described slide rheostat after to be overallly in parallel with the resistance described in another;
The slide rheostat that the corrective loop of described three-phase current is 3296 ohm by the resistance of one 150 ohm and maximum value is mutually connected in series and forms.
Described box body side is also run through and is provided with two in order to wear the through hole of described input signal cable and described output signal line, and described through hole is positioned at the side close to described input end.
Described correction box body is provided with a lid, and four tapped through hole bolts that described lid and described correction box body are arranged by four ends are fixedly linked.
Preferably, be also provided with a patchplug in described correction box, and described input signal cable one end is connected with described input end, the other end is connected with described patchplug, and described patchplug is connected with the acquisition module in high-voltage electric energy meter.
Preferably, described base plate is also provided with multiple PCB socket, and described output signal line one end is connected with described output terminal, the other end is connected with described PCB socket, and described PCB socket is connected with the metering module of high-voltage electric energy meter.
Preferably, described base plate is also provided with 26 limiting through hole, and each branch line of described input signal cable is all connected to described input end through the limiting through hole described in two.
Preferably, described input signal cable and described output signal line are shielding line.
Then, the utility model further provides a kind of high voltage electric energy amplitude correction detection system with described high-voltage electric energy meter correction box, also comprises high-voltage acquisition module, voltage reduction module and metering module, wherein,
Described high-voltage acquisition module is connected with hi-line, in order to gather three-phase voltage on hi-line and three-phase current;
Described voltage reduction module is connected with described high-voltage acquisition module, in order to receive three-phase voltage and the three-phase current of described high-voltage acquisition module acquires, and carries out step-down process;
Described high-voltage electric energy meter correction box is connected with described voltage reduction module, in order to receive the three-phase voltage after step-down process and three-phase current, and carries out amplitude correction process to obtain three-phase voltage and the three-phase current of identical amplitude;
Described metering module is connected with described high-voltage electric energy meter correction box, in order to receive the three-phase voltage after amplitude correction process and three-phase current, and carries out Metrology Division reason.
The beneficial effects of the utility model are compared with the prior art:
(1) setting of correction circuit on the base plate described in, and the three-phase voltage introduced after collection and step-down and electric current export metering module to after carrying out amplitude correction again, make the electric current and voltage obtaining the identical universal standard of amplitude, reduce error in dipping and safer;
(2) form the loop of three three-phase voltages and the loop of three three-phase currents in the correction circuit described in, make it possible to carry out range-adjusting to each voltage and current respectively;
(3) setting of the test lead described in, makes to test the amplitude of the electric current and voltage in adjustment according to demand, and corresponds to the lasting use after an accurate adjustment of different metering modules;
And the design of the block formula of described correction box split (4), be convenient to disassemble installation, and after damage of components, change corresponding component can use by secondary, provide cost savings;
(5) design of the correction detection system modular described in, makes to be convenient to split and disassembles and install, and can change the module of different parameters as required;
(6) the correction and detection method multiple step format described in carries out, can effectively obtain error less need parameter values.
Accompanying drawing explanation
Fig. 1 is the inner structure schematic diagram of the utility model high-voltage electric energy meter correction box;
Fig. 2 is the side semisectional view of the utility model high-voltage electric energy meter correction box;
Fig. 3 is the side-looking structural representation of the box body 1 of the utility model high-voltage electric energy meter correction box;
Fig. 4 is the correction circuit schematic diagram that the base plate 2 of the utility model high-voltage electric energy meter correction box is arranged;
Fig. 5 is the Basic Structure And Functions block diagram of the utility model high voltage electric energy amplitude correction detection system.
Embodiment
Below, embodiment of the present utility model will be described with reference to the accompanying drawings.In embodiments, the part of same configuration uses identical Reference numeral and omits and describes.
Embodiment one:
Consult Fig. 1, the inner structure schematic diagram of the utility model high-voltage electric energy meter correction box; Composition graphs 2, the side semisectional view of the utility model high-voltage electric energy meter correction box; And Fig. 4, be the correction circuit schematic diagram that the base plate 2 of the utility model high-voltage electric energy meter correction box is arranged.Described correction box is connected with high-voltage electric energy meter, as shown in FIG., described correction box comprises box body 1, base plate 2, correction circuit, input signal cable 3 and output signal line 4 (in figure, only indicate a branch line of described input signal cable and described output signal line, and all the other branch line connected modes are identical therewith, therefore do not illustrated);
Described base plate 2 is arranged in described box body 1, and by described base plate 2 four end arrange four mounting holes 9 and screw be fixed installation;
Described correction circuit is arranged on described base plate 2, and described correction circuit comprises input end 5, output terminal 6, test lead 8 and six regulating resistance groups 7 that described base plate 2 is arranged, wherein, regulating resistance group 7 described in each can manually adjust its resistance respectively, and described test lead 8 can connect the amplitude of various test component to current three-phase voltage and three-phase current to be tested;
Described input signal cable 3 is connected with described input end 5, in order to the input of described correction circuit by the acquisition module of high-voltage electric energy meter through hi-line collecting and three-phase voltage after step-down process and three-phase current;
As shown in Figure 4, be J2 shown in described input end 5 figure, there are 13 input interfaces, accordingly, be J3 shown in described output terminal 6 figure, there are 13 output interfaces, be J1 shown in described test lead 8 figure, there are 13 test interfaces, and the input interface described in every two and the regulating resistance group 7 described in form loop, a remaining input interface then connects ground wire process, each described input interface, described output interface, and described test interface difference wire jumper is connected, thus be formed with six loops, be the corrective loop of three three-phase voltages and the corrective loop of three three-phase currents, in order to will the three-phase voltage of input and three-phase current correction to identical amplitude, make signal consistent, ensure general,
Described output signal line 4 is connected with described output terminal 6, in order to the three-phase voltage of amplitude identical after correcting process and three-phase current to be exported to the metering module in high-voltage electric energy meter.
And as shown in Figure 4, the corrective loop of described three-phase voltage by resistance R1, R2 (with R3, R4 and R5, R6) of two 150 ohm and maximum resistance 3296 ohm slide rheostat W1 (W2 and W3) mutually connection in series-parallel connect and compose, described connection in series-parallel be specially a resistance connect with slide rheostat after entirety and another resistance be in parallel.The corrective loop of described three-phase current is mutually connected in series by the resistance R7 (with R8 and R9) of 150 ohm and the slide rheostat W4 (W5 and W6) of maximum resistance 3296 ohm and forms.
Three-phase voltage after step-down process and three-phase current flow into described correction circuit by described input end 5, and by after described correction circuit correction to identical standard amplitude through being flowed out by described output terminal 6 and flowing to the metering module of high-voltage electric energy meter, but in fact, three-phase voltage after correcting process and three-phase current also can be connected with other metering outfits, but be not limited to this, accordingly, described input end 5 also can directly be introduced by hi-line gathering and carrying out three-phase voltage and the three-phase current of step-down process, but is not limited to this.
Composition graphs 3, for the side-looking structural representation of the utility model high-voltage electric energy meter correction box, described box body 1 side is also run through and is provided with two in order to wear the through hole 8 of described input signal cable 3 and described output signal line 4, and preferably, described through hole 8 is positioned at the side close to described input end 5.
And in the present embodiment, described correction box body 1 is provided with a lid 9, and be fixed connected with bolt by four tapped through holes 11 that four ends are arranged.
A patchplug (not shown) is also provided with in described correction box, and described input signal cable 3 one end is connected with described input end 5, the other end is connected with described patchplug, and described patchplug is connected with the acquisition module in high-voltage electric energy meter.
Described base plate 2 is also provided with multiple PCB socket (not shown), and described output signal line 4 one end is connected with described output terminal 6, the other end is connected with described PCB socket, and described PCB socket is connected with the metering module of high-voltage electric energy meter.
Described base plate 2 is also provided with 26 limiting through hole 10, and described each branch line of input signal cable 3 is all connected to described input end 5 through the limiting through hole 10 described in two.
Described base plate 2 is also provided with multiple securing member (not shown), and described input signal cable 3 and described output signal and described base plate 2 fix by described securing member.
Described correction circuit is welded on described base plate 2; Described mounting hole 9 is PCB aperture; Described input signal cable 3 and described output signal line 4 are shielding line; Described patchplug is 12 core plugs, and described securing member is that bridge moulds materials and parts; Described base plate 2 is made up of epoxide resin material.
Like this, the setting of correction circuit on described base plate 2, and introduce gather and three-phase voltage after step-down and electric current carry out amplitude correction after export metering module to again, make the electric current and voltage obtaining the identical universal standard of amplitude, reduce error in dipping and safer; Form the loop of three three-phase voltages and the loop of three three-phase currents in described correction circuit, make it possible to carry out range-adjusting to each voltage and current respectively; The setting of described test lead 8, makes to test the amplitude of the electric current and voltage in adjustment according to demand, and corresponds to the lasting use after an accurate adjustment of different metering modules; And the design of the block formula of described correction box split, be convenient to disassemble installation, and after damage of components, change corresponding component can use by secondary, provide cost savings.
Embodiment two:
Consulting Fig. 5, is the Basic Structure And Functions block diagram of the utility model high voltage electric energy amplitude correction detection system, as shown in FIG., described correction detection system comprises high-voltage acquisition module, voltage reduction module, the high-voltage electric energy meter correction box described in above-described embodiment one and metering module, wherein
Described high-voltage acquisition module is connected with hi-line, in order to gather three-phase voltage on hi-line and three-phase current;
Described voltage reduction module is connected with described high-voltage acquisition module, in order to receive three-phase voltage and the three-phase current of described high-voltage acquisition module acquires, and carries out step-down process;
Described high-voltage electric energy meter correction box is connected with described voltage reduction module, in order to receive the three-phase voltage after step-down process and three-phase current, and carries out amplitude correction process to obtain three-phase voltage and the three-phase current of identical amplitude;
Described metering module is connected with described high-voltage electric energy meter correction box, in order to receive the three-phase voltage after amplitude correction process and three-phase current, and carries out Metrology Division reason, obtains the parameters numerical value of three-phase voltage and three-phase current.
Like this, the design of described correction detection system modular, makes to be convenient to split and disassembles and install, and can change the module of different parameters as required.
Above-describedly being only preferred embodiment of the present utility model, is only illustrative for the utility model, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that the utility model claim limits to it, amendment, even equivalence, but all will fall in protection domain of the present utility model.
Claims (9)
1. a high-voltage electric energy meter correction box, is connected with high-voltage electric energy meter, it is characterized in that, comprises box body, base plate, correction circuit, input signal cable and output signal line, wherein,
Described base plate is arranged in described box body, and by described base plate four end arrange four mounting holes and screw be fixed installation;
Described correction circuit is arranged on described base plate, and described correction circuit comprises input end, output terminal, test lead and six regulating resistance groups that described base plate is arranged, regulating resistance group described in each can manually adjust its resistance respectively, and described test lead can the amplitude of connecting test device to current three-phase voltage and three-phase current be tested;
Described input signal cable is connected with described input end, in order to the input of described correction circuit by the acquisition module of high-voltage electric energy meter through hi-line collecting and three-phase voltage after step-down process and three-phase current;
Described input end has 13 input interfaces, described output terminal has 13 output interfaces, described test lead has 13 test interfaces, and the input interface described in every two and the regulating resistance group described in form loop, a remaining input interface then connects ground wire, each described input interface, described output interface and described test interface respectively wire jumper are connected, be formed with the corrective loop of three three-phase voltages and the corrective loop of three three-phase currents, in order to will the three-phase voltage of input and three-phase current correction to identical amplitude;
Described output signal line is connected with described output terminal, in order to the three-phase voltage of amplitude identical after correcting process and three-phase current to be exported to the metering module in high-voltage electric energy meter.
2. high-voltage electric energy meter correction box as claimed in claim 1, is characterized in that,
The mutual connection in series-parallel of slide rheostat that the corrective loop of described three-phase voltage is 3296 ohm by the resistance of two 150 ohm and maximum value connects and composes, described connection in series-parallel for the resistance described in one connect with described slide rheostat after to be overallly in parallel with the resistance described in another;
The slide rheostat that the corrective loop of described three-phase current is 3296 ohm by the resistance of one 150 ohm and maximum value is mutually connected in series and forms.
3. high-voltage electric energy meter correction box as claimed in claim 2, it is characterized in that, described box body side is also run through and is provided with two in order to wear the through hole of described input signal cable and described output signal line, and described through hole is positioned at the side close to described input end.
4. high-voltage electric energy meter correction box as claimed in claim 2 or claim 3, it is characterized in that, described correction box body is provided with a lid, four tapped through hole bolts that described lid and described correction box body are arranged by four ends are fixedly linked.
5. high-voltage electric energy meter correction box as claimed in claim 4, it is characterized in that, a patchplug is also provided with in described correction box, and described input signal cable one end is connected with described input end, the other end is connected with described patchplug, and described patchplug is connected with the acquisition module in high-voltage electric energy meter.
6. high-voltage electric energy meter correction box as claimed in claim 5, it is characterized in that, described base plate is also provided with multiple PCB socket, and described output signal line one end is connected with described output terminal, the other end is connected with described PCB socket, and described PCB socket is connected with the metering module of high-voltage electric energy meter.
7. high-voltage electric energy meter correction box as claimed in claim 5, it is characterized in that, described base plate is also provided with 26 limiting through hole, and each branch line of described input signal cable is all connected to described input end through the limiting through hole described in two.
8. high-voltage electric energy meter correction box as claimed in claim 5, it is characterized in that, described input signal cable and described output signal line are shielding line.
9. there is a high voltage electric energy amplitude correction detection system for the high-voltage electric energy meter correction box according to any one of the claims 1-8, it is characterized in that, also comprise high-voltage acquisition module, voltage reduction module and metering module, wherein,
Described high-voltage acquisition module is connected with hi-line, in order to gather three-phase voltage on hi-line and three-phase current;
Described voltage reduction module is connected with described high-voltage acquisition module, in order to receive three-phase voltage and the three-phase current of described high-voltage acquisition module acquires, and carries out step-down process;
Described high-voltage electric energy meter correction box is connected with described voltage reduction module, in order to receive the three-phase voltage after step-down process and three-phase current, and carries out amplitude correction process to obtain three-phase voltage and the three-phase current of identical amplitude;
Described metering module is connected with described high-voltage electric energy meter correction box, in order to receive the three-phase voltage after amplitude correction process and three-phase current, and carries out Metrology Division reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520473674.3U CN204882851U (en) | 2015-07-03 | 2015-07-03 | High pressure electric energy meter correction box, high -tension electricity can amplitude correction detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520473674.3U CN204882851U (en) | 2015-07-03 | 2015-07-03 | High pressure electric energy meter correction box, high -tension electricity can amplitude correction detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN204882851U true CN204882851U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520473674.3U Withdrawn - After Issue CN204882851U (en) | 2015-07-03 | 2015-07-03 | High pressure electric energy meter correction box, high -tension electricity can amplitude correction detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950281A (en) * | 2015-07-03 | 2015-09-30 | 朗亿德电气股份有限公司 | High-voltage electric energy meter correction box as well as high-voltage electric energy amplitude correction and detection system and method |
-
2015
- 2015-07-03 CN CN201520473674.3U patent/CN204882851U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950281A (en) * | 2015-07-03 | 2015-09-30 | 朗亿德电气股份有限公司 | High-voltage electric energy meter correction box as well as high-voltage electric energy amplitude correction and detection system and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160703 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20171219 |
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| AV01 | Patent right actively abandoned |