CN201035061Y - Width limiting high-pressure pour-in maintenance-free remote metering terminal - Google Patents
Width limiting high-pressure pour-in maintenance-free remote metering terminal Download PDFInfo
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- CN201035061Y CN201035061Y CNU2007200223895U CN200720022389U CN201035061Y CN 201035061 Y CN201035061 Y CN 201035061Y CN U2007200223895 U CNU2007200223895 U CN U2007200223895U CN 200720022389 U CN200720022389 U CN 200720022389U CN 201035061 Y CN201035061 Y CN 201035061Y
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Abstract
The utility model discloses a grace high voltage filling maintenance-free remote measurement terminal, which is composed by a box body (1), a fixation seat (2), a wiring terminal (3) and a silicone rubber dry composite casing (4), the box body (1) is step-shaped, the inner cavities corresponding to the high and the low steps in the box body (1) are respectively provided with a 6 kv high pressure maintenance-free measuring instrument (5) and an EDA9033-DB2 three-phase grace full-electronic multi-function active electric energy meter (7), the cavity is filled with high insulation flame-retardant resin (6) and the EDA9033-DB2 three-phase grace full-electronic multi-function active electric energy meter (7). The grace high voltage filling maintenance-free remote measurement terminal is provided with compact structure, small size, good seal insulation performance, maintenance-free, uneasy damage, low manufacture cost, convenient installation and using, multiple functions, high measurement precision and wide measurement range, which realizes wide current range measurement, automatic range transformation and wireless transmission interface, and can be widely applied for electric power measurement of 6 kw high voltage power networks and more.
Description
Technical field
The utility model relates to a kind of high pressure measurement terminal device that guarantees power equipment safety operation and accurate measurement, belongs to outdoor high-voltage power measurement field, the non-maintaining long-distance metering terminal of particularly a kind of tolerance high-pressure filling.
Background technology
Along with electric system develops towards high voltage, jumbo direction, guarantee that the power equipment safety operation and the problem of accurate measurement seem particularly important, in case circuit occurs can not get timely solution unusually, will bring tremendous influence and loss to production.High pressure long-distance metering terminal is the important component part of power distribution network on-line monitoring and metering, and it can carry out accurate measurement and on-line monitoring to separate unit or many transformers of each branch road user in the power distribution network.The present high pressure measurement terminal device that uses, the metering of electric energy is to cooperate current transformer by electric energy meter mostly, voltage transformer (VT) or its combination, big electric current is become the little electric current of standard, high voltage becomes the standard low-voltage, realize by load wire access electric energy meter again, its structure is generally by the casing that seals, mutual inductor, electric energy meter is formed, mutual inductor and electric energy meter are contained in the casing of sealing, then, energized conductor is carried out insulated enclosure, and the casing of sealing comprises that the high-voltaghe compartment that is installed on electric pole or the support forms with the electric energy metering box that is linked to each other by multicore high-strength cable line.To the metering of electric system 6KV and above grade electrical network, the measuring apparatus that adopts current transformer, voltage transformer (VT) and secondary circuit thereof, electric energy meter to form mostly; For the three-phase three-wire system electrical network, adopt the two elements method, gather UAB and UCB and IA and IC metering three wire circuit; For the three-phase four-wire system net, adopt the three element method, gather the phase voltage and the phase current of three-phase respectively, the metering three-phase circuit.More than these high pressure measurement terminal devices have the following disadvantages: the one, present high pressure measurement terminal, though have multiparameter metering Presentation Function, but measurement range and measuring accuracy can not reach requirement simultaneously, the metering outfit of measurement range broad, and its measuring accuracy is low, can not satisfy measuring requirement, the metering outfit that measuring accuracy is high, measurement range is narrow, and function is less, do not reach the requirement of measurement range, the incompatibility demands of social development; The 2nd, volume is big, heavy, installation is inconvenient, is unfavorable for the metering of the safety and the parameter of circuit; The 3rd, cost of manufacture is also higher; The 4th, sealed insulation poor performance, the destruction that is easy to cause human factor or natural cause.
Summary of the invention
The purpose of this utility model is to provide a kind of above the deficiencies in the prior art that overcome, and makes that its function of measuring is many, measurement range is wide, precision is high, compact conformation, volume is little, non-maintaining, the sealed insulation performance is good, can prevent artificial or natural cause is destroyed the non-maintaining long-distance metering terminal of tolerance high-pressure filling.
For reaching above purpose, the technical scheme that the utility model adopted is: the non-maintaining long-distance metering terminal of this tolerance high-pressure filling, by casing, holder, connection terminal, silicon rubber dry type composite bushing constitutes, holder is located at the bottom of casing, during use, be fixed on the cross-arm of electric pole or electric pole by bolt hole with bolt, silicon rubber dry type composite bushing is sleeved on the connection terminal, it is characterized in that casing is step-like, in casing with in the corresponding chamber, high step place, install the non-maintaining meter of 6KV high pressure, be filled with high insulation flame-retarded resin in the chamber, adopt the can of high insulation flame-retarded resin, make its integral sealing, in casing with in the corresponding chamber, low step place, install the multi-functional active electric energy meter of EDA9033-DB2 three-phase tolerance full electronic, a left side in the upper end at the high step place of casing, the fixing silicon rubber dry type composite bushing of going up on the right side wall, silicon rubber dry type composite bushing is established six, every side is established three, all is sleeved on the corresponding connection terminal.The utility model is also implemented by following measure: the non-maintaining long-distance metering terminal of described tolerance high-pressure filling, non-maintaining meter of in casing, installing of 6KV high pressure and EDA9033-DB2 three-phase tolerance full electronic multifunctional electric energy meter, comprise two voltage transformer (VT), three-phase is journey current transformer A in a small amount, B, the C phase current signal just with three-phase wide range current transformer A, B, the C phase current signal just and DC power supplier, the multi-functional active electric energy meter of EDA9033-DB2 three-phase tolerance full electronic, the GPRS communication interface, wave point constitutes, two voltage transformer (VT) and three-phase be journey current transformer A in a small amount, B, the C phase current signal just, three-phase wide range current transformer A, B, the C phase current signal just all with 6KV hi-line UA, UB, UC is connected, be responsible for finishing high-voltage transmission jointly with six silicon rubber dry type composite bushings, obtain measuring voltage, electric current, the multi-functional active electric energy meter of EDA9033-DB2 three-phase tolerance full electronic is connected with two voltage transformer (VT), be responsible for finishing data metering and transmission storage administration, the I/O management, communication management, power management, functions such as man-machine interface management, the GPRS communication interface is connected with the multi-functional active electric energy meter of EDA9033-DB2 three-phase tolerance full electronic, and by GPRS communication interface or wave point output; The multi-functional active electric energy meter of described EDA9033-DB2 three-phase tolerance full electronic, comprise that journey mutual inductor, three-phase wide range mutual inductor, two 9033 electrical quantity acquisition modules, host CPU, display, power supply, clock, WDTEEPROM communication interfaces constitute in a small amount for the miniature voltage transformer (VT) of three-phase precise, three-phase, the miniature voltage transformer (VT) of three-phase precise is connected with two 9033 electrical quantity acquisition modules, three-phase journey mutual inductor in a small amount is connected with one 9033 electrical quantity acquisition module respectively with three-phase wide range mutual inductor, and two 9033 electrical quantity acquisition modules all are connected with host CPU; In the installation cavity of the non-maintaining tolerance meter of 6KV high pressure, the high insulation of can flame-retarded resin can make its good airproof performance, withstand voltage height, thus the destruction of little, non-maintaining, the anti-artificial or natural cause of implementation structure compactness, volume; Adopt silicon rubber dry type composite bushing suit into and out of the line connection terminal, can make between connection terminal insulation distance abundant, the external insulation performance is good; Tolerance electric energy metrical unit in the described host CPU, with six current mode mutual inductor TA1, TA2, TA3, TA4, TA5, TA6, the GPRS far module, power supply, two transformer PT1, PT2 is connected, adopt six current mode voltage transformer (VT) TA1, TA2, TA3, TA4, TA5, TA6, to import three-phase voltage isolates, and the small-signal that converts 0～100mv to is delivered to two 9033 electrical quantity acquisition modules and is gathered, the big current signal of 0～100A is through six current mode mutual inductor TA1, TA2, TA3, TA4, TA5, TA6 is converted to the little electric current of 0～200mA, convert the small voltage signal of 0～100mv again to, deliver to two 9033 electrical quantity modules, two 9033 electrical quantity acquisition modules are gathered the signal of input simultaneously, the host CPU of tolerance electric energy metrical unit is gathered the data of two 9033 electrical quantity acquisition modules by serial ports, when the electric current of being surveyed during less than the current range of a small amount of journey 9033 electrical quantity acquisition modules, adopt the data of journey 9033 electrical quantity acquisition modules in a small amount, when electric current is big, adopt the data of wide range 9033 electrical quantity acquisition modules, so, then widened the scope of input current, guarantee in 1～1000A scope, all to have 0.3 grade precision, and the starting current of electric energy metrical can be as small as 20mA; Described WDTEEPROM communication interface, comprise voltage signal preparation block, current signal preparation block, two 9033 modules, display, CPU, house dog, clock, 485 interfaces, wave point, can carry out communication by wireless, also can pass through the RS-485 bus communication, the high precision clock circuit can guarantee the accurate metering to peak, shoulder, flat, paddy electric weight.
The beneficial effects of the utility model are: compare with the outdoor high-voltage measuring terminal equipment of present use, compact conformation, volume is little, the sealed insulation performance is good, non-maintaining, it is destroyed to be difficult for, production cost is low, easy to install, simultaneously, function is many, measuring accuracy is high, measurement range is wide, realized that wide-range current metering, automatic range transform, the wireless transmission interface can be widely used in the power measurement of 6KV and above high-voltage fence.
Description of drawings
Fig. 1 looks synoptic diagram for the utility model structure master.
Fig. 2 is that the utility model structure is along Figure 1A-A cross-sectional schematic.
Fig. 3 is that the utility model structure is along Fig. 2 B-B cross-sectional schematic.
Fig. 4 is a schematic block circuit diagram of the present utility model.
Fig. 5 is the multi-functional active electric energy meter schematic block circuit diagram of the utility model EDA9033-DB2 three-phase tolerance full electronic.
Fig. 6 is the utility model measuring terminal schematic block circuit diagram.
Fig. 7 is the utility model data communication interface circuit theory diagram.
The schematic top plan view of embodiment when Fig. 8 installs application for the utility model.
Embodiment
Make the utility model with reference to accompanying drawing 1,2,3,4,5,6,7.The non-maintaining long-distance metering terminal of this tolerance high-pressure filling, by casing 1, holder 2, connection terminal 3, silicon rubber dry type composite bushing 4 constitutes, holder 2 is located at the bottom of casing 1, silicon rubber dry type composite bushing 4 is sleeved on the connection terminal 3, it is characterized in that casing 1 is for step-like, in casing 1 Yu in the corresponding chamber, high step place, install the non-maintaining meter 5 of 6KV high pressure, be filled with high insulation flame-retarded resin 6 in the chamber, in casing 1 with in the corresponding chamber, low step place, install the multi-functional active electric energy meter 7 of EDA9033-DB2 three-phase tolerance full electronic, left side in the upper end at the high step place of casing 1, the fixing silicon rubber dry type composite bushing 4 of going up on the right side wall, silicon rubber dry type composite bushing 4 is established six, every side is established three, all is sleeved on the corresponding connection terminal 3.Non-maintaining meter of in casing 1, installing 5 of 6KV high pressure and the multi-functional active electric energy meter 7 of EDA9033-DB2 three-phase tolerance full electronic, comprise two voltage transformer (VT) 8, three-phase is journey current transformer A in a small amount, B, C phase current signal positive 9 and three-phase wide range current transformer A, B, C phase current signal positive 10 and DC power supplier 11, the multi-functional active electric energy meter 7 of EDA9033-DB2 three-phase tolerance full electronic, GPRS communication interface 12, wave point 13 constitutes, two voltage transformer (VT) 8 and three-phase be journey current transformer A in a small amount, B, C phase current signal positive 9, three-phase wide range current transformer A, B, C phase current signal positive 10 all with 6KV hi-line UA, UB, UC is connected, common and six silicon rubber dry type composite bushings 4 are responsible for finishing high-voltage transmission, obtain measuring voltage, electric current, the multi-functional active electric energy meter 7 of EDA9033-DB2 three-phase tolerance full electronic is connected with two voltage intuition devices 8, be responsible for finishing data metering and transmission storage administration, the I/O management, communication management, power management, functions such as man-machine interface management, GPRS communication interface 12 is connected with the multi-functional active electric energy meter 7 of EDA9033-DB2 three-phase tolerance full electronic, and by GPRS communication interface 12 or wave point 13 outputs; The multi-functional active electric energy meter 7 of described EDA9033-DB2 three-phase tolerance full electronic, comprise the miniature voltage transformer (VT) 71 of three-phase precise, three-phase is journey mutual inductor 72 in a small amount, three-phase wide range mutual inductor 73, two 9033 electrical quantity acquisition modules 74, host CPU 75, display 76, power supply 77, clock 78, WDTEEPROM communication interface 79 constitutes, the miniature voltage transformer (VT) 71 of three-phase precise is connected with two 9033 electrical quantity acquisition modules 74, three-phase journey mutual inductor 72 in a small amount is connected with one 9033 electrical quantity acquisition module 74 respectively with three-phase wide range mutual inductor 73, and two 9033 electrical quantity acquisition modules 74 all are connected with host CPU 75; In the installation cavity of the non-maintaining tolerance meter 5 of 6KV high pressure, the high insulation of can flame-retarded resin 6; Adopt silicon rubber dry type composite bushings 4 suits into and out of line connection terminal 3, can make between connection terminal insulation distance abundant, the external insulation performance is good; Tolerance electric energy metrical unit in the described host CPU 75, with six current mode mutual inductor TA1, TA2, TA3, TA4, TA5, TA6, the GPRS far module, power supply, two transformer PT1, PT2 is connected, adopt six current mode voltage transformer (VT) TA1, TA2, TA3, TA4, TA5, TA6, to import three-phase voltage isolates, and the small-signal that converts 0～100mv to is delivered to two 9033 electrical quantity acquisition modules 74 and is gathered, the big current signal of 0～100A is through six current mode mutual inductor TA1, TA2, TA3, TA4, TA5, TA6 is converted to the little electric current of 0～200mA, convert the small voltage signal of 0～100mv again to, deliver to two 9033 electrical quantity modules 74, two 9033 electrical quantity acquisition modules 74 are gathered the signal of input simultaneously, the host CPU 75 of tolerance electric energy metrical unit is gathered the data of two 9033 electrical quantity acquisition modules by serial ports, when the electric current of being surveyed during less than the current range of a small amount of journey 9033 electrical quantity acquisition modules 74, adopt the data of journey 9033 electrical quantity acquisition modules 74 in a small amount, when electric current is big, adopt the data of wide range 9033 electrical quantity acquisition modules 74, so, then widened the scope of input current, guarantee in 1～1000A scope, all to have 0.3 grade precision, and the starting current of electric energy metrical can be as small as 20mA; Described WDTEEPROM communication interface 79, comprise voltage signal preparation block 791, current signal preparation block 792, two 9033 modules 793, display 794, CPU795, house dog 796, clock 797,485 interfaces 798, wave point 799, can carry out communication by wireless, also can pass through the RS-485 bus communication, the high precision clock circuit can guarantee the accurate metering to peak, shoulder, flat, paddy electric weight.
Claims (3)
1. extend the deadline the non-maintaining long-distance metering terminal of high-pressure filling for one kind, by casing (1), holder (2), connection terminal (3), silicon rubber dry type composite bushing (4) constitutes, holder (2) is located at the bottom of casing (1), silicon rubber dry type composite bushing (4) is sleeved on the connection terminal (3), it is characterized in that casing (1) is for step-like, in casing (1) Yu in the corresponding chamber, high step place, install the non-maintaining meter of 6KV high pressure (5), be filled with high insulation flame-retarded resin (6) in the chamber, in casing (1) with in the corresponding chamber, low step place, install EDA9033-DB2 three-phase tolerance multi-functional active electric energy meter of full electronic (7), a left side in the upper end at the high step place of casing (1), the fixing silicon rubber dry type composite bushing (4) of going up on the right side wall.
2. the non-maintaining long-distance metering terminal of tolerance high-pressure filling according to claim 1, the non-maintaining meter of 6KV high pressure (5) and the EDA9033-DB2 three-phase tolerance multi-functional active electric energy meter of full electronic (7) that it is characterized in that installation in casing (1), comprise two voltage transformer (VT) (8), three-phase is journey current transformer A in a small amount, B, the C phase current signal is (9) and three-phase wide range current transformer A just, B, the C phase current signal is (10) and DC power supplier (11) just, the EDA9033-DB2 three-phase tolerance multi-functional active electric energy meter of full electronic (7), GPRS communication interface (12), wave point (13) constitutes, two voltage transformer (VT) (8) and three-phase be journey current transformer A in a small amount, B, the C phase current signal is (9) just, three-phase wide range current transformer A, B, the C phase current signal just (10) all with 6KV hi-line UA, UB, UC is connected, the EDA9033-DB2 three-phase tolerance multi-functional active electric energy meter of full electronic (7) is connected with two voltage transformer (VT) (8), and GPRS communication interface (12) is connected with the EDA9033-DB2 three-phase tolerance multi-functional active electric energy meter of full electronic (7).
3. the non-maintaining long-distance metering terminal of tolerance high-pressure filling according to claim 1 and 2, it is characterized in that the described EDA9033-DB2 three-phase tolerance multi-functional active electric energy meter of full electronic (7), comprise the miniature voltage transformer (VT) of three-phase precise (71), three-phase is journey mutual inductor (72) in a small amount, three-phase wide range mutual inductor (73), two 9033 electrical quantity acquisition modules (74), host CPU (75), display (76), power supply (77), clock (78), WDTEEPROM communication interface (79) constitutes, the miniature voltage transformer (VT) of three-phase precise (71) is connected with two 9033 electrical quantity acquisition modules (74), three-phase journey mutual inductor (72) in a small amount is connected with one 9033 electrical quantity acquisition module (74) respectively with three-phase wide range mutual inductor (73), and two 9033 electrical quantity acquisition modules (74) all are connected with host CPU (75); Tolerance electric energy metrical unit in the described host CPU (75) is connected with six current mode mutual inductor TA1, TA2, TA3, TA4, TA5, TA6, GPRS far module, power supply, two transformer PT1, PT2; Described WDTEEPROM communication interface (79) comprises voltage signal preparation block (791), current signal preparation block (792), two 9033 modules (793), display (794), CPU (795), house dog (796), clock (797), 485 interfaces (798), wave point (799).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200223895U CN201035061Y (en) | 2007-05-28 | 2007-05-28 | Width limiting high-pressure pour-in maintenance-free remote metering terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200223895U CN201035061Y (en) | 2007-05-28 | 2007-05-28 | Width limiting high-pressure pour-in maintenance-free remote metering terminal |
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| Publication Number | Publication Date |
|---|---|
| CN201035061Y true CN201035061Y (en) | 2008-03-12 |
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|---|---|---|---|
| CNU2007200223895U Expired - Fee Related CN201035061Y (en) | 2007-05-28 | 2007-05-28 | Width limiting high-pressure pour-in maintenance-free remote metering terminal |
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| CN (1) | CN201035061Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105516A (en) * | 2011-11-10 | 2013-05-15 | 施耐德电器工业公司 | System for measuring physical quantities, power supply device and configuration method associated with such a measuring system |
| CN104577741A (en) * | 2013-10-29 | 2015-04-29 | 河南省济源市矿用电器有限责任公司 | Mining explosive-proof high-voltage measuring cabinet |
-
2007
- 2007-05-28 CN CNU2007200223895U patent/CN201035061Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105516A (en) * | 2011-11-10 | 2013-05-15 | 施耐德电器工业公司 | System for measuring physical quantities, power supply device and configuration method associated with such a measuring system |
| CN103105516B (en) * | 2011-11-10 | 2017-03-01 | 施耐德电器工业公司 | The system of measurement physical quantity and relative power-supply device and collocation method |
| CN104577741A (en) * | 2013-10-29 | 2015-04-29 | 河南省济源市矿用电器有限责任公司 | Mining explosive-proof high-voltage measuring cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20140528 |