CN2153063Y

CN2153063Y - Multifunctional test pencil

Info

Publication number: CN2153063Y
Application number: CN 93236027
Authority: CN
Inventors: 阚玉里
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-05
Filing date: 1993-01-05
Publication date: 1994-01-12
Anticipated expiration: 2003-01-05

Abstract

The utility model relates to a multifunctional test pencil, which is formed in connection way by a main probe A and an auxiliary probe B through insulated conductive wires. The utility model can conveniently measure whether power supply lines with 110V, 220V, and 380V are lack of phases or not. The utility model identifies alternating current and direct current, and the utility model displays polarity. The utility model has multiple functions of measuring electrification for objects, measuring the on-off of electric lines or coils, measuring PN knots of diodes and triodes, measuring logical signals, etc. The utility model has the advantages of simple structure, low cost, convenient use and maintenance, etc. The utility model is especially suitable for using for factories, government offices and electricians widely. The utility model can be also supplied to use for the masses widely.

Description

Multifunctional test pencil

The utility model is a kind of multifunction test pencil.

The utility model multifunction test pencil is a kind of maintenance tool.

Existing multi-functional electroprobe function is few, complex structure.As the multifunction test pencil of announcing on the novel communique of practicality, notification number: CN2071342U has adopted the electronic circuit replacing neon bulb to show complex structure, cost height.Notification number: the CN2076679U multifunction test pencil, gear is too much, and is also unreliable, and ceiling voltage can only be surveyed 260V, and the present supply voltage of China mostly is 110V, 220V, 380V, so do not welcome by numerous electricians.

The purpose of this utility model is to provide a kind of multifunction test pencil, and it can measure whether phase shortage of 110V, 220V, 380V distribution voltage easily, has alternating current-direct current simultaneously and shows, energy measurement electric wire, coil break-make, logical circuit, two, the PN junction of triode.

The technical solution of the utility model is: a kind of multifunction test pencil, main probe A, secondary probe B connect by insulated conductor, it is characterized in that: being used to install on the penholder housing of main probe A has the position, hole that appears LED 1, LED2 and neon bulb L1, L2, L3 and button QA; Above-mentioned neon bulb L1, L2, L3 and resistance R 4 are electrically connected successively, and wherein the two ends of neon bulb L2 and L3 are parallel with resistance R 2 and R3 respectively, and neon bulb L1 is electrically connected with button QA and secondary probe B with main probe A, resistance R 4; Hard contact C is connected between neon bulb L1 and the L2 by resistance R 1 and line, and hard contact C is revealed in main probe A housing sidepiece; LED 1, the LED2 that polarity is opposite and in parallel and be connected in parallel on the circuit two ends that neon bulb L1, L2, L3 and resistance R 2, R3, R4 constitute after resistance wire R5 connects; The other branch road that contains DC current E that joins at the two ends of above-mentioned button QA, button QA can be positioned at the position that switches on or off power supply E.

Multifunction test pencil disclosed in the utility model is compared with existing electroprobe, and it is many to have function, simple in structure, and dependable performance is keeped in repair advantages such as easy to use.

Description of drawings

The utility model multifunction test pencil further describes below in conjunction with accompanying drawing:

Fig. 1 multifunction test pencil outward appearance front view.

Fig. 2 multifunction test pencil electrical schematic diagram.

The circuit board figure of each electrical equipment is installed in Fig. 3 master's probe A upper boom shell.

The rear view of Fig. 4 master's probe A.

The left view of Fig. 5 master's probe A.

The upward view of Fig. 6 master's probe A.

The left view of the B of the secondary probe of Fig. 7.

The vertical view of the secondary probe B of Fig. 8.

The upward view of the secondary probe B of Fig. 9.

The front view of the secondary probe B of Figure 10.

The utility model multifunction test pencil specific embodiment describes with accompanying drawing:

Most advanced and sophisticated metal part branch with main probe A and secondary probe B contacts tested electrode two ends, differentiate tested voltage by the bright number of neon bulb, the bright demonstration of neon bulb L1 110V power supply is normal, L1, L2 two neon bulb light are simultaneously bright, show that the 220V power supply is normal, three neon bulbs of L1, L2, L3 are simultaneously bright, show that the 380V power supply is normal.LED 1, LED2 are simultaneously bright, show that tested voltage is alternating current.It is direct current that LED1, LED2 have only the tested voltage of bright demonstration.

Press the button QA, the most advanced and sophisticated metal part of main probe A and secondary probe B is contacted tested wire or coil two ends respectively.LED 1, LED2 have a bright demonstration electric wire or coil path, LED1, LED2 do not work and show that then electric wire or coil open circuit, whether charged (alternating current) has two kinds of methods to Measuring Object: the one, divide ground wire or center line with the most advanced and sophisticated metal part of secondary probe B, divide the contact testee with the most advanced and sophisticated metal part of main probe A, the bright demonstration testee of neon bulb L1 is charged, and the L1 testee that do not work is not charged.The 2nd, secondary probe B is unsettled, contact main probe A intermetallic metal bare spots C with forefinger, the bright demonstration testee of neon bulb L1 is charged, and the L1 testee that do not work is not charged.

The utility model multifunction test pencil is particularly useful for vast factory, machine-operated electrician uses, and also can use for broad masses.

The utility model multifunction test pencil shell can for ease of the mounting or dismounting maintenance, be injection molded into two hemizygotes with main probe A shell with the method for injection mo(u)lding.

Claims

1, a kind of multifunction test pencil, main probe A, secondary probe B connect by insulated conductor, it is characterized in that: being used to install on the penholder housing of main probe A has the position, hole that appears LED 1, LED2 and neon bulb L1, L2, L3 and button QA; Above-mentioned neon bulb L1, L2, L3 and resistance R 4 are electrically connected successively, and wherein the two ends of neon bulb L2 and L3 are parallel with resistance R 2 and R3 respectively, and neon bulb L1 is electrically connected with button QA and secondary probe B with main probe A, resistance R 4; Hard contact C is connected between neon bulb L1 and the L2 by resistance R 1 and line, and hard contact C is revealed in main probe A housing sidepiece; LED 1, the LED2 that polarity is opposite and in parallel and be connected in parallel on the circuit two ends that neon bulb L1, L2, L3 and resistance R 2, R3, R4 constitute after resistance wire R5 connects; The other branch road that contains DC current E that joins at the two ends of above-mentioned button QA, button QA can be positioned at the position that switches on or off power supply E.

2, multifunction test pencil according to claim 1 is characterized in that: be used for fixing the penholder shell that main probe A is installed and be injection molded into two hemizygotes.