CN205749626U - High convenience circuit tester - Google Patents

Abstract

The utility model discloses a kind of high convenience circuit tester, including table body, table body front is provided with driving switch, gauge outfit, 20A button, MA button and V/ Ω button, main electrode, COM electrode, 20A electrode, MA electrode and V/ Ω electrode, main electrode and 20A button and 20A electrode, MA button and MA electrode, V/ Ω button and the equal series wiring of V/ Ω electrode it is provided with in table body；Wire winding pole and test pencil chamber it is provided with in table body, wire winding pole right-hand member stretches out outer the fixing with knob of table body and is connected, the holding wire of red test pencil and black meter pen is all wrapped on wire winding pole in test pencil chamber introducing table body, the holding wire other end of red test pencil and black meter pen is electrically connected with main electrode and COM electrode respectively, and described red test pencil and black meter pen are additionally provided with button cell, LED switch and LED；This utility model simple in construction, easy to carry, press the button and get final product handover measurement project range easily and fast, increase the service life；Test pencil is provided with LED, it is to avoid false touch circuit gets an electric shock.

Description

High convenience circuit tester

Technical field

This utility model relates to a kind of electronic instrument, a kind of high convenience circuit tester.

Background technology

Circuit tester is the indispensable measuring instruments of the departments such as power electronics, typically to measure voltage, electric current and electricity Resistance is main purpose, is a kind of measuring instruments multi-functional, multiple range.Test pencil and ten thousand measured by existing circuit tester It is isolating construction with table body, separated in being usually accommodated in special containing box, when carrying, it is usually Test pencil it is wrapped in table or directly carries chest, otherwise inconvenient, or it is easily damaged test pencil；It addition, During measurement need according to surveyed data back and forth plug test pencil plug, bother do not say, also easily cause test pencil Plug and the mechanical damage of jack；Measurement circuitry data are a kind of work of danger close, need the probe of test pencil Portion contacts with conductive track, if light is bad, and finger false touch circuit, it is easy to cause electric shock accidents.

Utility model content

The purpose of this utility model is to provide one to be convenient for carrying arrangement, join without changing jack and test pencil back and forth There is the high convenience circuit tester of illuminating LED lamp, with the problem solving to propose in above-mentioned background technology.

For achieving the above object, the following technical scheme of this utility model offer:

A kind of high convenience circuit tester, including table body, red test pencil and black meter pen, described red test pencil and black meter pen are equal Connecting has holding wire, described table body front to be provided with driving switch, and with table, driving switch is arranged over gauge outfit, table 20A button, MA button and V/ Ω button, described 20A button, MA button it is provided with it below driving switch Arrange with V/ Ω button horizontal homogeneous with table；Main electrode, COM electrode, 20A electricity it is provided with in described table body Pole, MA electrode and V/ Ω electrode, main electrode and 20A button and 20A electrode array tie, main electrode and MA Button and MA electrode array tie, main electrode and V/ Ω button and V/ Ω electrode array tie；In described table body Centre position, portion is provided with the wire winding pole of horizontal positioned, and wire winding pole two ends are connected with table body inwall by rotating mechanism, Wire winding pole right-hand member stretches out outer the fixing with knob of table body and is connected, and on wire winding pole, two rotating mechanism sides, left and right are additionally provided with Two hub slots；In table body, bottom left and right sides is additionally provided with two test pencil chambeies, and lower end, test pencil chamber is all left bottom table body There is opening, at the upper end center of test pencil chamber, all have the string holes slided for holding wire；The holding wire warp of described red test pencil Being wrapped on the hub slot on the left of wire winding pole in the string holes introducing table body in test pencil chamber, left side, the holding wire of red test pencil is another One end is electrically connected with main electrode；The holding wire of described black meter pen twines in the string holes introducing table body in test pencil chamber, right side Being wound on the hub slot on the right side of wire winding pole, the holding wire other end of black meter pen is electrically connected with COM electrode；Described Button cell and LED switch, red test pencil and end, black meter pen Handheld Division it is equipped with on red test pencil and black meter pen Handheld Division Hold and the most vertical with probe portion junction be provided with some LED, described button cell, LED switch and LED electricity Property connect.

As further program of the utility model: described red test pencil is identical with black meter pen shape and structure.

As this utility model further scheme: the length, width and height in described test pencil chamber are all higher than red test pencil and Hei Biao The length, width and height of pen.

Compared with prior art, the beneficial effects of the utility model are: be combined as a whole with table body by test pencil, table Pen can be accommodated in table body, by turn knobs can the test pencil of folding and unfolding easily, simple in construction, easy to carry；Logical Cross that press the button can handover measurement data class and range easily, it is not necessary to repeating to plug test pencil plug, prolongation makes Use the life-span；Test pencil is provided with LED, can provide illumination in the situation that light is bad, it is to avoid false touch circuit causes Electric shock accidents.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of high convenience circuit tester.

Fig. 2 is the front view of a kind of high convenience circuit tester.

Fig. 3 is the structural representation of hub slot in a kind of high convenience circuit tester.

In figure: table body-1, red test pencil-2, black meter pen-3, holding wire-4, driving switch-5, gauge outfit-6,20A Button-7, MA button-8, V/ Ω button-9, main electrode-10, COM electrode-11,20A electrode-12, MA Electrode-13, V/ Ω electrode-14, wire winding pole-15, rotating mechanism-16, knob-17, hub slot-18, test pencil Chamber-19, button cell-20, LED switch-21, LED-22.

Detailed description of the invention

Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.

Referring to Fig. 1-3, a kind of high convenience circuit tester, including table body 1, red test pencil 2 and black meter pen 3, institute State red test pencil 2 and black meter pen 3 be respectively connected with holding wire 4, described table body 1 front be provided with regulation measure kind and The driving switch 5 of range, on table body 1, driving switch 5 is arranged over showing the gauge outfit 6 of measurement data, table body 20A button 7, MA button 8 and V/ Ω button 9 it is provided with below driving switch 5 on 1, described 20A button 7, MA button 8 and V/ Ω button 9 horizontal homogeneous on table body 1 is arranged；Be provided with in described table body 1 main electrode 10, COM electrode 11,20A electrode 12, MA electrode 13 and V/ Ω electrode 14, main electrode 10 and 20A button 7 With 20A electrode 12 series wiring, main electrode 10 and MA button 8 and MA electrode 13 series wiring, main electricity Pole 10 and V/ Ω button 9 and V/ Ω electrode 14 series wiring, by pressing 20A button 7, MA button 8 With any one in V/ Ω button 9, can select easily and fast to switch 20A, MA and V/ Ω measure the item, It is noted that be once only capable of pressing any one in 20A button 7, MA button 8 and V/ Ω button 9, If press two or more simultaneously, initiation short circuit is burnt out internal component；Described table body 1 bosom position Being provided with the wire winding pole 15 of horizontal positioned, wire winding pole 15 two ends are connected with table body 1 inwall by rotating mechanism 16, Wire winding pole 15 right-hand member stretches out outer the fixing with knob 17 of table body 1 and is connected, two rotating machines in left and right on wire winding pole 15 Structure 16 side is additionally provided with two hub slots 18；In table body 1, bottom left and right sides is additionally provided with two test pencil chambeies 19, table Lower end, chamber 19 all has opening bottom table body 1, all has for holding wire 4 at the upper end center of test pencil chamber 19 The string holes slided；The holding wire 4 of described red test pencil 2 twines in the string holes introducing table body 1 in test pencil chamber, left side 19 It is wound on the hub slot 18 on the left of wire winding pole 15, holding wire 4 other end of red test pencil 2 and main electrode 10 electricity Property connect；The holding wire 4 of described black meter pen 3 is wrapped in the string holes introducing table body 1 in test pencil chamber, right side 19 On hub slot 18 on the right side of wire winding pole 15, holding wire 4 other end of black meter pen 3 is electrical with COM electrode 11 Connect, by turn knobs 17, can quickly folding and unfolding holding wire 4, holding wire 4 drives red test pencil 2 and Hei Biao Pen 3 passes in and out in test pencil chamber 19, conveniently uses and receives；On described red test pencil 2 and black meter pen 3 Handheld Division It is equipped with button cell 20 and LED switch 21, red test pencil 2 and black meter pen 3 Handheld Division end with probe portion even The place of connecing the most vertically is provided with some LED 22, described button cell 20, LED switch 21 and LED 22 electricity Property connect, press LED switch 21, LED 22 is bright, to measurement circuitry provide illumination, it is to avoid false touch circuit Cause and get an electric shock.

Operation principle of the present utility model is: the holding wire 4 of black meter pen 3 is electrically connected with COM electrode 11, The holding wire 4 of red test pencil 2 is electrically connected with main electrode 10, by pressing 20A button 7, MA button 8 and Any one in V/ Ω button 9, can make main electrode 10 respectively with 20A electrode 12, MA electrode 13 and V/ Any one in Ω electrode 14 is connected, and is switched fast 20A, MA and V/ Ω measure the item, and without as with Toward equally selecting switching by the plug plug repeated, substantially increase property easy to use；It is noted that Once it is only capable of pressing any one in 20A button 7, MA button 8 and V/ Ω button 9, if press simultaneously Two or more, burn out internal component by initiation short circuit；Chang Shi, holding wire 4 is wound around by turn knobs 17 On the hub slot 18 of wire winding pole 15 both sides, holding wire 4 drives red test pencil 2 and black meter pen 3 to be accommodated in two In test pencil chamber 19, it is convenient for carrying, and can avoid damaging test pencil probe；When measuring, reverse turn knobs 17, holding wire 4 scatters in hub slot 18, from test pencil chamber under the action of gravity of red test pencil 2 and black meter pen 3 Skid off in 19, continue turn knobs 17 and make to expose after holding wire 4 reaches Len req, rotate driving switch 4 To suitable data range, press simultaneously in lower 20A button 7, MA button 8 and V/ Ω button 9 with measure number According to corresponding one, measurement data can be measured, easy to operate, use simple.

Claims (3)

1. a high convenience circuit tester, including table body (1), red test pencil (2) and black meter pen (3), described red test pencil (2) and black meter pen (3) is respectively connected with holding wire (4), it is characterised in that described table body (1) front is provided with gear and opens Closing (5), the upper driving switch (5) of table body (1) is arranged over gauge outfit (6), under the upper driving switch (5) of table body (1) Side is provided with 20A button (7), MA button (8) and V/ Ω button (9), described 20A button (7), MA button (8) Arrange at the upper horizontal homogeneous of table body (1) with V/ Ω button (9)；It is provided with main electrode (10), COM in described table body (1) Electrode (11), 20A electrode (12), MA electrode (13) and V/ Ω electrode (14), main electrode (10) is pressed with 20A Button (7) and 20A electrode (12) series wiring, main electrode (10) is connected with MA button (8) and MA electrode (13) Wiring, main electrode (10) and V/ Ω button (9) and V/ Ω electrode (14) series wiring；Described table body (1) is internal Centre position is provided with the wire winding pole (15) of horizontal positioned, and wire winding pole (15) two ends are by rotating mechanism (16) and table body (1) Inwall connects, and wire winding pole (15) right-hand member stretches out that table body (1) is fixing with knob (17) outward to be connected, on wire winding pole (15) Two rotating mechanism (16) sides, left and right are additionally provided with two hub slots (18)；Table body (1) interior bottom left and right sides is additionally provided with Two test pencil chambeies (19), test pencil chamber (19) lower end all has opening, test pencil chamber (19) upper end in table body (1) bottom Center all has the string holes slided for holding wire (4)；The holding wire (4) of described red test pencil (2) is through test pencil chamber, left side (19) string holes is wrapped in introducing table body (1) on the hub slot (18) in wire winding pole (15) left side, red test pencil (2) Holding wire (4) other end and main electrode (10) be electrically connected with；The holding wire (4) of described black meter pen (3) is through right side The string holes in test pencil chamber (19) is wrapped in introducing table body (1) on the hub slot (18) on wire winding pole (15) right side, black table Holding wire (4) other end of pen (3) is electrically connected with COM electrode (11)；Described red test pencil (2) and black meter pen (3) Button cell (20) and LED switch (21), red test pencil (2) and end, black meter pen (3) Handheld Division it is equipped with on Handheld Division Hold be provided with some LED (22) the most vertical with probe portion junction, described button cell (20), LED switch (21) It is electrically connected with LED (22).

One the most according to claim 1 high convenience circuit tester, it is characterised in that described red test pencil (2) and black Test pencil (3) shape and structure is identical.

One the most according to claim 1 high convenience circuit tester, it is characterised in that described test pencil chamber (19) Length, width and height are all higher than red test pencil (2) and the length, width and height of black meter pen (3).