CN202735430U

CN202735430U - Comprehensive testing power supply box of low voltage complete equipment

Info

Publication number: CN202735430U
Application number: CN 201220320641
Authority: CN
Inventors: 魏永雄; 宋振群; 林桂盛; 石东旭
Original assignee: Guangdong Golden South Electric Appliance Industry Co Ltd
Current assignee: Guangdong Jinnanfang New Polytron Technologies Inc
Priority date: 2012-07-04
Filing date: 2012-07-04
Publication date: 2013-02-13
Anticipated expiration: 2022-07-04

Abstract

The utility model discloses a comprehensive testing power supply box of low voltage complete equipment. The comprehensive testing power supply box comprises a box body, wherein foot wheels are arranged at the bottom of the box body; a three-phase four-line power supply input end binding post is connected with a total air switch; the total air switch is connected with the three-phase four-line power supply input end binding post through a first air switch and a first circuit breaker; one phase line and a neutral line of the total air switch are directly connected with a terminal of a single-phase alternative current power supply output socket; one phase line and the neutral line of the total air switch are connected with a direct current 220 V power supply output end binding post through a second air switch, a second circuit breaker and a first rectifier; one phase line and the neutral line of the total air switch are connected with a direct current voltage drop power supply output end binding post through a third air switch, a third circuit breaker, a multi-tapped transformer, a voltage selecting and converting switch and a second rectifier. By utilizing the comprehensive testing power supply box, various power supplies can be conveniently provided for a low voltage complete equipment production factory in the testing process, and the comprehensive testing power supply box is convenient to transport and use.

Description

Low voltage complete set integration test power supply box

Technical field

The utility model belongs to the technical field of power supply box, is specifically related to a kind of low voltage complete set integration test power supply box.

Background technology

In the producer that produces low voltage complete set, often need to be to its product---various parts, the circuit of low voltage complete set carry out integration test, frequently need to use diversified power supply, such as direct supply, AC power, three-phase supply, single phase poaer supply, 380V power supply, 220V power supply, light current power supply etc. for this reason.

In the prior art, a kind of testing power supply of the every use of producer all must be brought corresponding power converter, for example, when needs use direct current, just need to bring rectifier, if need to use light current, also needs to add transformer, etc.Like this, sometimes test a low voltage complete set, the on-the-spot access multiple power sources equipment that just needs, carrying trouble very not only, and also it is many to make the production scene refute wiring quantity, seems very in disorder.

The utility model content

The purpose of this utility model is to overcome above-mentioned shortcoming and a kind of low voltage complete set integration test power supply box is provided, and it can provide various power supplys for test process easily.

Its purpose can realize by following scheme: a kind of low voltage complete set integration test power supply box, comprise casing, and its principal feature is, is provided with castor at bottom half; Be provided with three-phase four-wire power input end binding post, three-phase power output end binding post, direct current 220V power output end binding post, DC decompression power output end binding post at box house, be provided with the single phase alternating current power supply accessory power outlet in the casing side, at box house the first rectifier, the second rectifier, many tap transformers, the first isolating switch, the second isolating switch, the 3rd isolating switch be installed also; Be provided with control panel in the casing exterior upper portion, total air switch, the first air switch, the second air switch, the 3rd air switch, the first breaker control button, the second breaker control button, the 3rd breaker control button, voltage selective switchgear are installed on the control panel; Three-phase four-wire power input end binding post is connected to total air switch, and total air switch is connected to the three-phase power output end binding post through the first air switch, the first isolating switch; A wherein phase line of total air switch and the terminal that the neutral line is directly connected to the single phase alternating current power supply accessory power outlet; A wherein phase line and the neutral line of total air switch are connected to direct current 220V power output end binding post through the second air switch, the second isolating switch, the first rectifier; A wherein phase line and the neutral line of total air switch are connected to DC decompression power output end binding post through the 3rd air switch, the 3rd isolating switch, many tap transformers, voltage selective switchgear, the second rectifier.

The utlity model has following advantage and effect:

1, the utility model can be from multiple power sources such as same power supply box difference output DC source, AC power, three-phase supply, single phase poaer supplies, to adapt to the multiple power sources demand of low voltage complete set manufacturer testing product, and this power supply box is provided with castor, be convenient to carrying, easy to use, avoid needing in the traditional mode to carry various power-supply devices, the electric wire in disorder problem of plugging into.

Description of drawings

Fig. 1 is the contour structures synoptic diagram of a kind of specific embodiment of the utility model.

Fig. 2 is the circuit catenation principle synoptic diagram of structure shown in Figure 1.

Embodiment

Fig. 1, shown in Figure 2, this low voltage complete set integration test power supply box comprises iron casing 1, the tank surface processing of spraying paint; Be provided with castor 2 at bottom half, can be for closely mobile; Be provided with three-phase four-wire power input end binding post, three-phase power output end binding post, direct current 220V power output end binding post, DC decompression power output end binding post at box house, be provided with single phase alternating current power supply accessory power outlet 3 in the casing side, at box house the first rectifier VC1, the second rectifier VC2, many tap transformers T, the first isolating switch KM1, the second isolating switch KM2, the 3rd isolating switch KM3 be installed also; Be provided with control panel 4 in the casing exterior upper portion, total air switch QF, the first air switch QF1, the second air switch QF2, the 3rd air switch QF3, the first breaker control button 51, the second breaker control button 52, the 3rd breaker control button 53, voltage selective switchgear SA are installed on the control panel, wherein the first breaker control button 51 is controlled the break-make of the first isolating switch KM1, the break-make of the second breaker control button 52 controls the second isolating switch KM2, the break-make of the 3rd breaker control button 53 controls the 3rd isolating switch KM3; Three-phase four-wire power input end binding post L1, L2, L3, N are connected to total air switch QF, and total air switch QF is connected to three-phase power output end binding post U1, V1, W1 through the first air switch QF1, the first isolating switch KM1; A wherein phase line of total air switch and terminal W2, the N2 that the neutral line is directly connected to the single phase alternating current power supply accessory power outlet; A wherein phase line and the neutral line of total air switch are connected to direct current 220V power output end binding post C1, D1 through the second air switch QF2, the second isolating switch KM2, the first rectifier VC1; A wherein phase line and the neutral line of total air switch are connected to DC decompression power output end binding post C2, D2 through the 3rd air switch QF3, the 3rd isolating switch KM3, many tap transformers T, voltage selective switchgear SA, the second rectifier VC2.Voltage table 7, reometer 8, the pilot lamp 6 of monitoring power supply also are installed on control panel.

The use-pattern of above-described embodiment is as follows:

Connect primary power, by three-phase four-wire power input end post head N, L1, L2, L3 access voltage 380V50Hz power supply, total air switch QF that closes, three-phase supply pilot lamp 6 is lit at this moment, and pointer A.C. voltmeter 7 can monitor the 380V power supply;

(1), at this moment, terminal W2, the N2 of single phase alternating current power supply accessory power outlet can directly obtain 220 V AC power;

(2) if need 380 V AC power, the first air switch QF1 that can close, and utilize the first breaker control button 51 controls the first isolating switch KM1 to connect, three-phase power output end binding post U1, V1, W1 can obtain 380 V AC power;

(3) if need 220 V direct supplys, the second air switch QF2 that can close, and utilize the second breaker control button 52 controls the second isolating switch KM2 to connect, direct current 220V power output end binding post C1, D1 can obtain 220 V direct supplys;

(4) if need the direct supply of process step-down, the 3rd air switch QF3 can close, and utilize the 3rd breaker control button 53 controls the 3rd isolating switch KM3 to connect, rotational voltage selective switchgear SA, DC decompression power output end binding post C2, D2 just can select to be connected with a certain tap of many tap transformers T, thereby make DC decompression power output end C2, D2 can obtain the DC voltage of 12V, 24V, 36V or 110V.

Claims

1. a low voltage complete set integration test power supply box comprises casing, it is characterized in that: be provided with castor at bottom half; Be provided with three-phase four-wire power input end binding post, three-phase power output end binding post, direct current 220V power output end binding post, DC decompression power output end binding post at box house, be provided with the single phase alternating current power supply accessory power outlet in the casing side, at box house the first rectifier, the second rectifier, many tap transformers, the first isolating switch, the second isolating switch, the 3rd isolating switch be installed also; Be provided with control panel in the casing exterior upper portion, total air switch, the first air switch, the second air switch, the 3rd air switch, the first breaker control button, the second breaker control button, the 3rd breaker control button, voltage selective switchgear are installed on the control panel; Three-phase four-wire power input end binding post is connected to total air switch, and total air switch is connected to the three-phase power output end binding post through the first air switch, the first isolating switch; A wherein phase line of total air switch and the terminal that the neutral line is directly connected to the single phase alternating current power supply accessory power outlet; A wherein phase line and the neutral line of total air switch are connected to direct current 220V power output end binding post through the second air switch, the second isolating switch, the first rectifier; A wherein phase line and the neutral line of total air switch are connected to DC decompression power output end binding post through the 3rd air switch, the 3rd isolating switch, many tap transformers, voltage selective switchgear, the second rectifier.