CN2152967Y - Multifunctional electrician's tool lamp - Google Patents

Abstract

The utility model discloses a multifunctional electrician's tool lamp which can be used both as a detecting tool and a movable illuminating lamp, comprising a machine shell, an indicating lamp, the input end A of DC power supply and the input end B of external AC power supply. The opening and closing of a circuit and the insulation condition between electric appliances and the ground can be detected by utilizing the bright or dim light of the indicating lamp. The circuit voltage can be roughly measured through a selecting switch and the indicating lamp. The small bulb using of the DC power supply can be used for maintenance of the broken circuit and the closed circuit of the circuit and can be used as movable lighting. Thus the utility model is a convenient used multifunctional electrician's tool lamp.

Description

Multifunctional electrician's tool lamp

The utility model belongs to the instrument of the test usefulness of a kind of electrician when the maintenance circuit.

Existing electrical measuring instrument, as universal meter, practical have only two of voltage and resistance, other be mostly that to repair electronic instrument needed, thereby complex structure unavoidably, price is more expensive, the safety when being unfavorable for electrician's livewire work again and convenient.

The purpose of this utility model provides and a kind ofly not only can be used as the electrical measuring instrument but also can be used as illuminator lamp, and is convenient to overhaul night circuit.

The purpose of this utility model is to realize like this, it includes casing, multi-functional electrician's utility light of indicator lamp and dc source, an outer input A end that exchanges power supply respectively with two indicator lamps 2 and 3 and after the alternating current test socket is connected in series, link outer another input B end that exchanges power supply, outer another input B end that exchanges power supply is fixedly linked with the middle contact of selector switch again, receive the outer input A end that exchanges power supply after contact in all the other contacts of selector switch and 2 series connection of an indicator lamp, the input A that exchanges power supply outside also inserting after remaining another contact of selector switch and two indicator lamps 2 and 3 series connection holds; The positive pole of dc source links to each other with the 3rd indicator lamp with by after direct current test jack and switch and the circuit series connection that connects again in the casing, and the negative pole of access dc source.

The utility model is judged the break-make situation of circuits such as motor, transformer and generator owing to adopt the bright of indicator lamp with dark, and with the light and shade of indicator lamp brightness, externally power source voltage is carried out bigness scale, is 220 volts or 380 volts; And bright dark with indicator lamp, the line-to-ground insulation situation of testing motor apparatus and household electrical appliances etc. can be used as mobile straight, interchange illuminator lamp again.

Below in conjunction with drawings and Examples the utility model is described in detail:

Fig. 1 looks schematic diagram for shell master of the present utility model.

Fig. 2 looks schematic diagram for a shell of the present utility model left side.

Fig. 3 is an electrical schematic diagram of the present utility model.

As Fig. 1, Fig. 2 and shown in Figure 3, include casing 1, indicator lamp 2,3 and 4 and multi-functional electrician's utility light of dc source, two 15 watts of indicator lamps 2 and 3 and 3 volts of miniature bulbs 4 of direct current be fixed in the casing 1 of the bakelite framework of insulation and iron sheet, laminated panel on the casing is provided with selector switch 5, a contact of the selector switch 5 that order links to each other with indicator lamp 2 is 220 volts of contacts, order is 380 volts of contacts with another contact that is in series with the selector switch 5 that two indicator lamps 2 link to each other with 3, panel is provided with alternating current test socket 6 and direct current test jack 7, also be provided with direct current switch 8, these elements that are provided with on the panel connect the electrical principle that the outer lead-in wire circuit that connects all meets Fig. 3 in it is electric.During use, when repairing orthogonal stream motor and transformer and so on, as long as input A of the present utility model, outer 220 volts or 380 volts of the power supplys that exchange are inserted at the B two ends, link tester such as motor and transformer is crossed test plug, insert on the alternating current test socket 6 of the present utility model, its indicator lamp 2 and 3 is bright, then the interior electric wiring of motor or transformer etc. promptly is a path, otherwise be to open circuit, in like manner utilize dc source and direct current socket 7, also can detect the logical of orthogonal stream motor circuit, open circuit conditions, when surveying the insulation against ground situation of low voltage motor equipment or household electrical appliances, it is out of service to cut off the power supply in advance, then selector switch is placed de-energized, utilize outer exchange 220 volts or 380 volts of power supplys, input the end of a thread of household electrical appliances or motor etc., by surveying on the hole that electric chopsticks are inserted in alternating-current measurement socket 7, its another hole is with surveying that electric chopsticks are touched the motor cleaning and on the shell of bare metal, if indicator lamp is bright, the line-to-ground insulation destroyed of household electrical appliances or motor etc. then is described, otherwise is good.

When using plug that tail end has the power supply input of two electric iron formulas of surveying electric chopsticks and removing detection line voltage, double-throw selector switch 5 is placed 380 volts positions, and detect 380 volts of voltages, can assert as if indicator lamp 2 and 3 well-illuminated then 380 hint roads; Place 220 volts of positions to survey 220 volts voltages the double-throw selector switch, if indicator lamp 2 is bright, then line voltage distribution is normal, if do not work or secretly a little less than, then the explicit declaration circuit has fault.Utilize dc source to make direct current electric light 4 bright, can be the portable lighting of maintenance circuit, and can be in order to the quality of the break-make of detection line and capacitor etc., thereby the utility model is a kind of multi-functional electrician's utility light easy to use.

Claims (1)

1, a kind of multi-functional electrician's utility light, it includes casing, indicator lamp and dc source, it is characterized in that an outer input A end that exchanges power supply is respectively with after two indicator lamps (2) and (3) and alternating current test socket are connected in series, link outer another input B end that exchanges power supply, outer another input B end that exchanges power supply links to each other with the middle contact of selector switch again, contact in all the other contacts of selector switch is with after indicator lamp (2) is connected, receive the outer input A end that exchanges power supply, selector switch another contact in all the other is with after two indicator lamps (2) and (3) are connected in series, also link outer another input A end that exchanges power supply, the positive pole of the dc source in the casing is with by after DC test socket and switch and the circuit series connection that connects, link to each other with the 3rd indicator lamp again, and be connected into the negative pole of dc source.