CN210243730U

CN210243730U - Universal meter for electronic information engineering

Info

Publication number: CN210243730U
Application number: CN201921118965.5U
Authority: CN
Inventors: Hairui Liu; 刘海瑞; shangyuan Zou; 邹上元; Yanli Liu; 刘艳梨; Luhao Song; 宋陆昊
Original assignee: Jiangsu College of Safety Technology
Current assignee: Jiangsu College of Safety Technology
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-03
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses an universal meter for electronic information engineering relates to electron measuring tool field, be in including universal meter body and setting display screen, switch, zero setting button, range knob and pen-shape metre jack on the universal meter body set up flutedly on the universal meter body, are equipped with electrically conductive dog and slide rail in the recess, install electrically conductive slider on the slide rail, and electrically conductive dog and electrically conductive slider top are equipped with the through-hole, and the pen-shape metre has been pegged graft in the pen-shape metre jack, and the nib of pen-shape metre can open and shut. The utility model discloses can make things convenient for teachers and students to carry out quick, accurate measurement to the resistance of chip resistor and color ring resistance, simultaneously the utility model provides a pen-shape metre can open and shut, and the centre gripping is in the circuit when teachers and students measure circuit parameter conveniently, avoids nib and circuit contact failure, influences the accuracy of measuring parameter.

Description

Universal meter for electronic information engineering

Technical Field

The utility model relates to an electronic measurement instrument field, in particular to universal meter for electronic information engineering.

Background

The universal meter can be used for measuring the resistance of an object to be measured, the alternating current voltage and the direct current voltage, and even some universal meters can be used for measuring main parameters of a transistor, the capacitance of a capacitor and the like. When a common multimeter measures the resistance value of the resistor, a user needs to respectively hold a meter pen with two hands and then contact the conductive parts at two sides of the resistor with the pen point, or the pin of the resistor is folded into a hook shape or an annular shape, and the pin of the resistor is sleeved on the pen points of the two meter pens to measure, so that the measuring mode is complex in operation and time-consuming, and simultaneously, the measured resistance value is easy to cause to be inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that exists among the above-mentioned prior art, provide an universal meter for electronic information engineering.

The technical scheme of the utility model is that:

a universal meter for electronic information engineering comprises a universal meter body, and a display screen, a power switch, a zero setting button, a range knob and a meter pen jack which are arranged on the universal meter body, wherein a groove is further formed in the universal meter body, a conductive stop block is arranged at one end of the groove, a slide rail is arranged at the bottom of the groove, a conductive slide block is slidably mounted on the slide rail, and a plurality of through holes with different diameters are formed in the tops of the conductive stop block and the conductive slide block; the conductive stop block is electrically connected with a public measuring jack in the meter pen jacks, the conductive slider is electrically connected with a voltage resistance mA jack in the meter pen jacks, a meter pen is inserted into the public measuring jack and the voltage resistance mA jack, and a pen point of the meter pen can be opened and closed.

Preferably, the meter pen comprises a pen shell, one end of the pen shell is provided with a left pen point and a right pen point, the left pen point is hinged with the right pen point through a pin shaft, a spring is sleeved on the pin shaft, and two ends of the spring abut against the inner side surfaces of the left pen point and the right pen point; wherein one end part of the left pen point and/or the right pen point penetrates through the pen shell and extends outwards.

Preferably, the outwards extending end of the left pen point and/or the right pen point is sleeved with an insulating handle.

Preferably, a probe is arranged at one end of the left pen head or the right pen head far away from the insulating handle.

The utility model provides a pair of universal meter for electronic information engineering, its beneficial effect is: the utility model discloses be provided with electrically conductive dog, slide rail and electrically conductive slider in the recess, when electrically conductive slider slides on the slide rail, the interval between electrically conductive dog and the electrically conductive slider can change wantonly, can carry out the resistance measurement with chip resistor and color ring resistance centre gripping between electrically conductive dog and electrically conductive slider, makes things convenient for teachers and students to carry out quick, accurate measurement to the resistance, simultaneously the utility model discloses the pen-shape metre that sets up can open and shut, and the centre gripping is in the circuit when the convenience is measured circuit parameter with the universal meter for teachers and students, avoids nib and circuit contact failure, influences the accuracy of measuring parameter.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a view showing the inner structure of the groove of the present invention;

fig. 3 is a diagram of the structure of the meter pen of the present invention.

Description of reference numerals: 100-multimeter body, 101-display screen, 102-power switch, 103-zero setting button, 104-range knob, 105-meter pen jack, 200-groove, 201-conductive stop, 202-conductive slider, 300-meter pen, 301-pen shell, 302-left pen point, 303-right pen point, 304-pin shaft, 305-spring, 306-insulating handle and 307-probe.

Detailed Description

In the following, the technical solutions of the embodiments of the present invention are described clearly and completely with reference to the drawings in the present application, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 and fig. 2, the utility model provides a multimeter for electronic information engineering, including multimeter body 100 and set up display screen 101, switch 102, zero setting button 103, range knob 104 and pen-shape metre 300 jack 105 on multimeter body 100, still seted up recess 200 on multimeter body 100, recess 200 one end is equipped with electrically conductive dog 201, the recess 200 bottom is equipped with slide rail 203, sliding fit has electrically conductive slider 202 on slide rail 203, electrically conductive dog 201 and electrically conductive slider 202 top all are equipped with the through-hole of a plurality of diameters difference; the conductive stopper 201 is electrically connected with a common measurement jack in the jacks 105 of the meter pen 300, the conductive slider 202 is electrically connected with a voltage resistance mA jack in the jacks 105 of the meter pen 300, the meter pen 300 is inserted into the common measurement jack and the voltage resistance mA jack, and the pen point of the meter pen 300 can be opened and closed.

Specifically, an object can be clamped between the conductive stop block 201 and the conductive slider 202, when the resistance value of an unknown chip resistor needs to be measured, the range knob 104 is switched to a resistor gear, the chip resistor to be measured is placed between the conductive stop block 201 and the conductive slider 202, and the conductive slider 20 is slid, so that the chip resistor to be measured is clamped between the conductive stop block 201 and the conductive slider 202, and the resistance value of the chip resistor to be measured can be measured; the through holes formed in the tops of the conductive stop block 201 and the conductive sliding block 202 are used for inserting the color ring resistors, and the diameters of the through holes are different, so that the conductive stop block is suitable for color ring resistors with different pin thicknesses. The conductive stop block 201, the sliding rail 203 and the conductive sliding block 202 arranged in the groove 200 form a convenient resistance measuring device, and the resistance of the unknown resistance can be measured quickly and accurately by teachers and students.

Example 2

As shown in fig. 3, further, the meter pen 300 includes a pen shell 301, one end of the pen shell 301 is provided with a left pen point 302 and a right pen point 303, the left pen point 302 is hinged to the right pen point 303 through a pin 304, the pin 304 is sleeved with a spring 305, and two ends of the spring 305 abut against inner sides of the left pen point 302 and the right pen point 303.

One end of the left pen point 302 and/or the right pen point 303 penetrates through the pen shell 301 and extends outwards. It should be understood that the end of the left pen head 302 extends outwards, the end of the right pen head 303 abuts against the inside of the pen shell 301, or the end of the right pen head 303 extends outwards, the end of the left pen head 302 abuts against the inside of the pen shell 301, or the ends of the left pen head 302 and the right pen head 303 extend outwards, and how to design the present invention specifically is not limited. Meanwhile, according to a specific design, an insulating handle 306 is sleeved at the outward extending end of the left pen head 302 and/or the right pen head 303, and the insulating handle 306 can avoid electric shock. When the left pen point 302 and the right pen point 303 are separated, the insulating handle 306 can be pinched by fingers, and the left pen point 302 and the right pen point 303 can be separated. The left pen point 302 and the right pen point 303 can be clamped after being separated, when a teacher and a student measure circuit parameters by using the universal meter, the pen point of the meter pen 300 can be clamped in a circuit, and the problem that the pen point is in poor contact with the circuit and the accuracy of the measured parameters is influenced is avoided. The resistance value of the resistor is also measured by clamping the resistor by the meter pen.

In addition, in order to facilitate the point contact of the pen tip of the pen 300 with the circuit, a probe 307 is arranged at one end of the left pen tip 302 or the right pen tip 303 far away from the insulated handle 306, so that the teacher-student circuit can conveniently measure.

The above disclosure is only for the preferred embodiments of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. The multimeter for the electronic information engineering comprises a multimeter body (100), and a display screen (101), a power switch (102), a zero setting button (103), a range knob (104) and a meter pen (300) jack (105) which are arranged on the multimeter body (100), and is characterized in that a groove (200) is further formed in the multimeter body (100), a conductive stop block (201) is arranged at one end of the groove (200), a sliding rail (203) is arranged at the bottom of the groove (200), a conductive sliding block (202) is arranged on the sliding rail (203) in a sliding manner, and a plurality of through holes with different diameters are formed in the tops of the conductive stop block (201) and the conductive sliding block (202); the conductive stopper (201) is electrically connected with a common measurement jack in the jacks (105) of the meter pen (300), the conductive slider (202) is electrically connected with a voltage resistance mA jack in the jack (105) of the meter pen (300), the meter pen (300) is inserted into the common measurement jack and the voltage resistance mA jack, and the pen point of the meter pen (300) can be opened and closed.

2. The multimeter for electronic information engineering according to claim 1, wherein the stylus (300) comprises a case (301), one end of the case (301) is provided with a left stylus (302) and a right stylus (303), the left stylus (302) is hinged to the right stylus (303) through a pin (304), the pin (304) is sleeved with a spring (305), and two ends of the spring (305) abut against inner side surfaces of the left stylus (302) and the right stylus (303); wherein one end of the left pen head (302) and/or the right pen head (303) penetrates through the pen shell (301) and extends outwards.

3. The multimeter for electronic information engineering according to claim 2, wherein the outwardly extending end of the left pen tip (302) and/or the right pen tip (303) is sleeved with an insulating handle (306).

4. A multimeter for electronic information engineering as claimed in claim 3, wherein a probe (307) is provided at the end of the left pen tip (302) or the right pen tip (303) remote from the insulating handle (306).