CN203551618U - Portable electrical test power box - Google Patents
Portable electrical test power box Download PDFInfo
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- CN203551618U CN203551618U CN201320740776.8U CN201320740776U CN203551618U CN 203551618 U CN203551618 U CN 203551618U CN 201320740776 U CN201320740776 U CN 201320740776U CN 203551618 U CN203551618 U CN 203551618U
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Abstract
In order to improve the working efficiency, instruments and electrical equipment are assembled concentratedly, connected as a whole and mounted in a box with a metal shell to form a portable electrical test power box. The technical scheme adopted by the utility model is that the portable electrical test power box comprises a power box and an operation panel, and is characterized in that a power switch and an adjustment hand wheel are arranged on a horizontal face of the operation panel; a meter is also arranged on the operation panel; universal wheels are arranged below the power box; and the A phase, the B phase and the C phase of the power input end inside the power box are connected with a three-phase power supply, the N-phase line is the zero line, and the power switch of the power box comprises an alternating-current 220V output end, a direct-current 220V5A output end, an alternating-current 100V output end, an alternating-current current 0-10A output end and an alternating-current 380V output end. The portable electrical test power box has the advantages of being convenient in operation, convenient in moving, time-saving and labor-saving, and economical and practical.
Description
Technical field
The present invention relates to a kind of switch cabinet electrical test supply unit.
Background technology
For switch cubicle product, delivery test is the operation of most critical, and wherein usability test is necessary, for the control loop on switch cubicle, instrument, protective device etc., needs different operating powers.High-low voltage switch cabinet delivery test device therefor has: three-phase regulator, single-phase voltage regulator, rectifying installation, standard voltmeter, standard amperemeters, current lifting device, standard mutual inductor.Making each switch all needs so many equipment, then interconnecting line, and test preliminary work is loaded down with trivial details, and complete must the dismounting of working is put into testing laboratory, and test must rewiring next time, time-consuming taking a lot of work.
Summary of the invention
In order to increase work efficiency, instrument, electrical equipment are concentrated to assembling, be connected, be arranged in the chest of an insulation crust, make portable electrical test power supply box.The technical solution used in the present invention is:
Portable electrical test power supply box, comprises power supply box and guidance panel, it is characterized in that: above guidance panel surface level, be furnished with power switch and control hand wheel, instrument is also housed on guidance panel, universal wheel is housed below power supply box;
A phase, B phase and the C of the power input three-phase supply that joins in power supply box, wherein N phase line is zero line, and the power switch of power supply box comprises alternating current 220V output terminal, direct current 220V/5A output terminal, three-phase alternating current 100V output terminal, alternating current 0-10A output terminal and three-phase alternating current 380V output terminal.
Further, the N phase line of described power input is connected with alternating current 220V output terminal by power switch DK1 with C phase line;
The N phase line of power input is connected with rectifier bridge by power switch DK2 with C phase line, and the output terminal of rectifier bridge is connected with direct current 220V/5A output terminal;
N phase line, A phase line, B phase line and the C phase line of power input are connected with three-phase regulator B1 by power switch DK3, and the output terminal of three-phase regulator B1 is connected with three-phase alternating current 100V output terminal;
A phase line, the B phase line of power input are connected with single-phase voltage regulator L1 by power switch DK4, the secondary winding of single-phase voltage regulator L1 transfers to current source through current transformer LH, reometer A1 connects with current transformer LH, is finally connected with alternating current 0-10A output terminal;
A phase line, B phase line and the C phase line of power input is connected with three-phase alternating current 380V output terminal by power switch DK5.
Further, the every two-phase of output terminal of described three-phase regulator B1 is all connected with a voltage table.
Further, described power switch DK1, DK2, the model of DK4 are C65NC6/2P, and the model of power switch DK3 is C65NC4/4P, and the model of power switch DK5 is C65NC10/3P, the model of single-phase voltage regulator L1 is TDGC2-1, and the model of three-phase regulator B1 is TSGC2-3.
Advantage of the present invention is: this device has easy to operate, is convenient to mobile, time saving and energy saving, economical and practical advantage.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is vertical view of the present invention.
Fig. 4 is right view of the present invention.
In accompanying drawing: 1, instrument; 2, power supply box; 3, universal wheel; 4, guidance panel; 5, power switch 6, control hand wheel.
Embodiment
In order to increase work efficiency, instrument, electrical equipment are concentrated to assembling, be connected, be arranged in the chest of an insulation crust, make portable electrical test power supply box.During test, connect three-phase four-wire power line on input end terminal, output terminal just can obtain: exchange 100V, alternating current 220V, interchange 380V, direct current 220V and sampling current 0-10A.This device has easy to operate, is convenient to mobile, time saving and energy saving, economical and practical advantage.
As in Figure 2-4, chamber adopts cold-rolled steel sheet welding production, surface plastic spraying.At four universal wheels 3 of footing installing, be convenient to staff and move.The input end of power supply box 2, output terminal are arranged in power supply box rear side, and back side panel is that 8mm heavy insulation plate is made, and installs power switch 5 above, wherein 4 of input terminals, and 12 of lead-out terminals, facilitate wiring.Instrument panel and guidance panel 4 above, instrument panel installing reometer, voltage table, guidance panel 4 is installed the control hand wheel 6 of power switch 5 and pressure regulator.
Chamber physical dimension is: wide 800mm, dark 600mm, high 800mm.
In conjunction with electrical schematic diagram (Figure of description 1), portable electrical test power supply box principle of work is as follows:
1, alternating current 220V trial voltage principle of work: power switch DK1 is alternating current 220V operating power switch, and model is: C65NC10/2P, power supply draws from input end C phase terminal and N line terminals, for equipment electrical test provides alternating current 220V voltage.
2, direct current 220V trial voltage principle of work: power switch DK2 is direct current 220V operating power switch, and switch model is: C65NC6/2P.D1, D2, D3, D4 are commutation diode, composition rectifier bridge, and for equipment electrical test provides direct current 220V power supply, model is KBPC10-10A.C1 is filter capacitor, and model is 400V4000 μ F, and power supply is AC220V, and phase line is taken from power input C phase terminal and N phase terminal, and after full-bridge rectification, output dc voltage is 198V, and after C1 capacitor filtering, output dc voltage is 237V.
3, exchange 100V trial voltage principle of work: power switch DK3 is for exchanging 100V power switch, and model is C65NC4/4P.Three-phase regulator B1 model is TSGC2-3, through pressure regulation, provides three-phase alternating current 100V power supply for equipment electrical test.V1, V2, V3 are voltage table, and model is 6L2-V 450V.Working power is taken from input end A, B, C, N terminal, through pressure regulation, is output as three-phase 100V, and three-phase 100V power supply causes three-phase alternating current 100V output terminal, for equipment electrical test provides three-phase alternating current 100V voltage.
4, ac test current work principle: power switch DK4 is current lifting device power switch, L1 is single-phase voltage regulator, model TDGC2-1, making current lifting device uses, its input power is AC220V, the secondary winding of single-phase voltage regulator L1 around circle 30 circles, transfers to current source through current transformer LH punching, then series connection access reometer A1.The size of current of output can be used single-phase voltage regulator L1 to adjust, and maximum exportable 10A, for equipment test provides test current.Current transformer model is LMZJ1-0.5 5/5A, and A1 is standard amperemeters, model: 6L2-A 20A, DK4 switch model is C65NC6/2P.
5, exchange 380V voltage power supply principle: power switch DK5 is for exchanging 380V operating power switch, switch model is C65NC10/3P, working power is taken from input end A, B, C terminal, through power switch DK5, directly cause three-phase alternating current 380V output terminal, for equipment electrical test provides three-phase alternating current 380V power supply.
Chamber interconnector adopts multiply annealed copper wire, and current lifting device power lead adopts 4mm
2, all the other power leads adopt 2.5mm
2.
Embodiment recited above is described preferential embodiment of the present invention; not design of the present invention and protection domain are limited; do not departing under the prerequisite of design concept of the present invention; various modification and improvement that in this area, common engineering technical personnel make technical scheme of the present invention, all should fall into protection scope of the present invention.
Claims (4)
1. portable electrical test power supply box, comprise power supply box (2) and guidance panel (4), it is characterized in that: guidance panel (4) is furnished with power switch (5) and control hand wheel (6) above surface level, instrument (1) is also housed on guidance panel (4), and power supply box (2) is equipped with universal wheel (3) below;
A phase, B phase and the C of the interior power input of power supply box (2) three-phase supply that joins, wherein N phase line is zero line, and the power switch (5) of power supply box (2) comprises alternating current 220V output terminal, direct current 220V/5A output terminal, three-phase alternating current 100V output terminal, alternating current 0-10A output terminal and three-phase alternating current 380V output terminal.
2. portable electrical test power supply box according to claim 1, is characterized in that: the N phase line of described power input is connected with alternating current 220V output terminal by power switch DK1 with C phase line;
The N phase line of power input is connected with rectifier bridge by power switch DK2 with C phase line, and the output terminal of rectifier bridge is connected with direct current 220V/5A output terminal;
N phase line, A phase line, B phase line and the C phase line of power input are connected with three-phase regulator B1 by power switch DK3, and the output terminal of three-phase regulator B1 is connected with three-phase alternating current 100V output terminal;
A phase line, the B phase line of power input are connected with single-phase voltage regulator L1 by power switch DK4, the secondary winding of single-phase voltage regulator L1 transfers to current source through current transformer LH, reometer A1 connects with current transformer LH, is finally connected with alternating current 0-10A output terminal;
A phase line, B phase line and the C phase line of power input is connected with three-phase alternating current 380V output terminal by power switch DK5.
3. portable electrical test power supply box according to claim 1, is characterized in that: the every two-phase of output terminal of described three-phase regulator B1 is all connected with a voltage table.
4. portable electrical test power supply box according to claim 1, it is characterized in that: described power switch DK1, DK2, the model of DK4 are C65NC6/2P, the model of power switch DK3 is C65NC4/4P, the model of power switch DK5 is C65NC10/3P, the model of single-phase voltage regulator L1 is TDGC2-1, and the model of three-phase regulator B1 is TSGC2-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740776.8U CN203551618U (en) | 2013-11-22 | 2013-11-22 | Portable electrical test power box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740776.8U CN203551618U (en) | 2013-11-22 | 2013-11-22 | Portable electrical test power box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551618U true CN203551618U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320740776.8U Expired - Fee Related CN203551618U (en) | 2013-11-22 | 2013-11-22 | Portable electrical test power box |
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| Country | Link |
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| CN (1) | CN203551618U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630714A (en) * | 2013-11-22 | 2014-03-12 | 枣庄矿业(集团)有限责任公司供电工程处 | Mobile electrical test power box |
| CN104793028A (en) * | 2015-04-30 | 2015-07-22 | 中国一冶集团有限公司 | Three-phase multifunctional test power supply device and test method thereof |
| CN105406725A (en) * | 2015-11-23 | 2016-03-16 | 苏州华电电气股份有限公司 | Current source apparatus for high-voltage switch cabinet temperature rise test |
-
2013
- 2013-11-22 CN CN201320740776.8U patent/CN203551618U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630714A (en) * | 2013-11-22 | 2014-03-12 | 枣庄矿业(集团)有限责任公司供电工程处 | Mobile electrical test power box |
| CN104793028A (en) * | 2015-04-30 | 2015-07-22 | 中国一冶集团有限公司 | Three-phase multifunctional test power supply device and test method thereof |
| CN104793028B (en) * | 2015-04-30 | 2017-12-15 | 中国一冶集团有限公司 | A kind of three-phase multifunctional test power device and its test method |
| CN105406725A (en) * | 2015-11-23 | 2016-03-16 | 苏州华电电气股份有限公司 | Current source apparatus for high-voltage switch cabinet temperature rise test |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20151122 |
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| EXPY | Termination of patent right or utility model |