CN215493784U

CN215493784U - Multi-purpose multimeter with good measuring result

Info

Publication number: CN215493784U
Application number: CN202023289580.0U
Authority: CN
Inventors: 范丽玲
Original assignee: Suzhou Zhongkeliwei New Material Technology Co ltd
Current assignee: Suzhou Zhongkeliwei New Material Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-01-11
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a multipurpose multimeter with good measurement result, which comprises a multimeter body, wherein a level meter is arranged above the surface of the multimeter body, a display screen is arranged below the level meter, an indicator lamp is arranged on one side below the display screen, a main power switch is arranged on the other side below the display screen, a rotary switch knob is arranged below the main power switch, a bottom shell is arranged below the rotary switch knob, a rear shell is arranged behind the multimeter body, a rotating rod is arranged at the bottom inside the rear shell, an inclination angle sensor is arranged on one side of the rotating rod, and a polarizing plate film is arranged below the inclination angle sensor; this good multipurpose universal meter of measuring result can reach accurate measurement, multi-functional usage and the effect of shielding outside high tension current through setting up spirit level, rotary switch turn-button, inclination sensor, polarizing plate membrane and shielding film.

Description

Multi-purpose multimeter with good measuring result

Technical Field

The utility model relates to the technical field of multimeters, in particular to a multipurpose multimeter with a good measuring result.

Background

The multimeter is a magnetoelectric instrument with rectifier, can measure many electrical parameters such as alternating current, direct current, voltage and resistance, etc., it generally has several measuring ranges for every electrical quantity, it is also called multi-purpose ammeter or multi-purpose ammeter for short, the multimeter is composed of magnetoelectric system ammeter (meter head), measuring circuit and selector switch, etc., it can conveniently measure many electrical parameters by the transformation of selector switch, the main basis of the circuit calculation is closed circuit ohm law, the multimeter is many kinds, when it is used, it should be selected according to different requirements, but the existing multimeter can not measure accurately in some occasions of high voltage micro current, because its internal resistance can affect the measured circuit, it can cause the inaccuracy of the measured result, the internal resistance of the digital meter voltage level is very large, at least at megaohm level, the influence on a tested circuit is small, but the influence of induced voltage is easy to cause by extremely high output impedance, measured data can be virtual on occasions with strong electromagnetic interference, so that the measurement accuracy is caused, a shielding film is required to be arranged to shield external electromagnetic interference and interference generated in a high-voltage current place, a traditional battery is adopted to provide power in the aspect of a charging function, the USB interface can not be used for a long time outdoors, a USB interface capable of being connected with a mobile charger is required to carry out convenient charging, and the service time of the USB interface outdoors can be prolonged.

The prior art has the following defects or problems:

1. the existing multimeter is often unable to measure even in some occasions of high voltage micro current in use places, because the internal resistance of the multimeter can affect a measured circuit, the inaccuracy of the measured result can be caused, the internal resistance of a digital meter voltage level is very large, at least in megaohm level, the influence on the measured circuit is very small, but the extremely high output impedance makes the digital meter susceptible to the influence of induced voltage, and the measured data can be virtual in some occasions with strong electromagnetic interference, thereby causing the measuring accuracy;

2. and current universal meter adopts traditional battery to provide electric power in the aspect of the function of charging, can not use for a long time in the open air to the usage of battery reduces gradually now, and the rate of utilization ratio is lower, and this just needs a USB interface that can connect the removal treasured that charges to carry out the portable and can fill, can prolong its live time in the open air, increases work efficiency, measures in addition under outdoor sunshine and can lead to operating personnel to watch the display screen and produce certain influence because of the refraction of light.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-purpose multimeter with a good measurement result aiming at the defects of the prior art so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multipurpose universal meter that measuring result is good, includes the universal meter table body, the spirit level is installed to universal meter table body surface top, the display screen is installed to the spirit level below, the pilot lamp is installed to display screen below one side, total switch is installed to display screen below opposite side, the rotary switch turn-button is installed to total switch below, the drain pan is installed to rotary switch turn-button below, the backshell is installed to universal meter table body rear, the bull stick is installed to the inside bottom of backshell, angular transducer is installed to bull stick one side, the polarisation board membrane is installed to the angular transducer below.

In a preferred embodiment of the present invention, a bearing is installed below the polarizing plate film, and an adjustment drive is installed below the bearing.

As a preferable technical scheme of the utility model, a power supply board is arranged below the adjusting drive, and an end wire is arranged on one side below the power supply board.

As a preferred technical scheme of the utility model, the other side below the power panel is provided with a USB connection wire, and an end shell is arranged below the end wire.

As a preferred technical scheme of the utility model, a protective shell is arranged below the USB connecting wire, and a port is arranged on one side of the outer wall of the bottom shell.

As a preferred technical scheme of the universal meter, a USB interface is installed on the other side of the outer wall of the bottom shell, and a shielding film is installed on the surface of the inner wall of the universal meter body.

As a preferable technical scheme of the utility model, a horizontal pointer is arranged in the level gauge, and an induction lamp is arranged on one side of the horizontal pointer.

Compared with the prior art, the utility model provides the multipurpose multimeter with good measurement result, which has the following beneficial effects:

1. according to the multipurpose multimeter with the good measurement result, the novel multimeter is used for shielding places of external electromagnetic interference and high-voltage current places through the shielding film to prevent the places from interfering the use of the multimeter, leveling survey is conducted through the spirit level, the inclination angle sensor is arranged in the multimeter, even if deviation occurs, measured data are still accurate, and the adjustment drive can be selected through the rotary switch knob;

2. this multipurpose universal meter that measuring result is good, through setting up the polarizing plate membrane, the power strip, the port, the end line, USB interface and USB wiring, this novel design, on the one hand charge through end line one end connection port and other end connection power strip and can carry out wired charging, on the other hand connects USB interface and other end connection power strip through USB wiring one end and carries out the outside removal and charge, it can remove in the open air and charge precious charging, increase universal meter's live time, the rethread sets up the polarizing plate membrane in that the display screen is inside and can prevent that light refraction from influencing operating personnel's sight problem, provide good sight for operating personnel.

Drawings

FIG. 1 is a schematic view of a multimeter body configuration of the present invention;

FIG. 2 is a schematic view of the internal structure of the rear housing of the present invention;

FIG. 3 is a schematic view of the surface structure of the outer wall of the bottom case according to the present invention;

FIG. 4 is a schematic view of the surface structure of the inner wall of a multimeter of the present invention.

In the figure: 1. a universal meter body; 2. a level gauge; 3. a display screen; 4. an indicator light; 5. a main power switch; 6. rotating a switch knob; 7. a bottom case; 8. a rear housing; 9. a rotating rod; 10. a tilt sensor; 11. a polarizing plate film; 12. a bearing; 13. adjusting the drive; 14. a power panel; 15. end lines; 16. USB wiring; 17. an end shell; 18. a protective shell; 19. a port; 20. a USB interface; 21. A shielding film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides a good multipurpose universal meter of measuring result, including universal meter table body 1, spirit level 2 is installed to 1 surperficial top of universal meter table body, display screen 3 is installed to spirit level 2 below, pilot lamp 4 is installed to 3 below one side of display screen, total switch 5 is installed to 3 below opposite sides of display screen, rotary switch turn-button 6 is installed to total switch 5 below, drain pan 7 is installed to rotary switch turn-button 6 below, backshell 8 is installed to universal meter table body 1 rear, bull stick 9 is installed to 8 inside bottoms of backshells, angular transducer 10 is installed to 9 one side of bull stick, polarizing plate membrane 11 is installed to angular transducer 10 below.

In this embodiment, a bearing 12 is installed below the polarizer film 11, an adjusting driver 13 is installed below the bearing 12, the polarizer film 11 mainly prevents light refraction caused by operation of a worker in a place with sufficient sunlight and hinders the visual problem of the worker, the normal observation of the display screen 3 by the worker can be ensured through the polarizer film 11, a power panel 14 is installed below the adjusting driver 13, an end wire 15 is installed on one side below the power panel 14, the adjusting driver 13 is mainly used for facing the rotary switch knob 6 above the adjusting driver to perform adjusting rotation, the power panel 14 provides electric energy for a multimeter, a USB connection 16 is installed on the other side below the power panel 14, an end shell 17 is installed below the end wire 15, the USB connection 16 is mainly used for connecting the USB interface 20 and the power panel 14, the end wire 15 is mainly used for connecting the port 19 and the power panel 14, and a protective shell 18 is installed below the USB connection 16, port 19 is installed to bottom shell 7 outer wall surface one side, protective housing 18 is used for the effect of protection USB interface 20, and port 19 is the effect that is used for the outside to charge, USB interface 20 is installed to bottom shell 7 outer wall surface opposite side, universal meter body 1 inner wall surface mounting has shielding film 21, USB interface 20 can be when externally lacking the electricity, it just can charge to provide the treasured that charges, increase its flexibility, prolong its live time, 2 internally mounted of spirit level has horizontal pointer, the response lamp is installed to horizontal pointer one side, horizontal pointer is used for keeping the view thing of horizontal state observation, the response lamp, a state for warning level.

The working principle and the using process of the utility model are as follows: when the novel multipurpose multimeter with good measurement result is used, firstly, the main power switch 5 is powered on, then the angle with multiple functions is adjusted through the rotary switch knob 6, the used function is selected, then the survey is carried out according to the data displayed by the display screen 3, the accurate state of the observation equipment can be carried out by the level gauge 2 during the survey, if deviation occurs, the inclination angle sensor 10 can also carry out inclination compensation, even if the deviation occurs, the measured data is still accurate, in addition, when the data is collected through the display screen 3, if the operation is carried out under the sun, the phenomenon of refraction can occur, the sight of an operator can be influenced, and then, the polarizing plate film 11 is arranged in the multipurpose multimeter, the refraction of the light can be well isolated, thereby providing a good sight for the operator, traditional universal meter still adopts the battery to provide electric power on the power, this novel equipment carries out the outside operation of charging through at drain pan 7 outer wall surface mounting USB interface 20 and port 19, also can supply power greatly increased its live time through removing the treasured that charges, both structures mainly are connected inside power strip 14 by inside USB wiring 16 and end wire 15 of backshell 8 and are charged, there is shielding film 21 at shells inner wall surface mounting in addition and can solve some places that outside high tension current is stronger and some places that electromagnetic interference is stronger and shield interference, thereby let the universal meter carry out normal use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multipurpose multimeter with good measurement results is characterized in that: including universal meter table body (1), spirit level (2) are installed to universal meter table body (1) surface top, display screen (3) are installed to spirit level (2) below, pilot lamp (4) are installed to display screen (3) below one side, total switch (5) are installed to display screen (3) below opposite side, rotary switch knob (6) are installed to total switch (5) below, drain pan (7) are installed to rotary switch knob (6) below, backshell (8) are installed to universal meter table body (1) rear, bull stick (9) are installed to backshell (8) inside bottom, inclination sensor (10) are installed to bull stick (9) one side, polarizing plate membrane (11) are installed to inclination sensor (10) below.

2. The multi-purpose multimeter of claim 1, wherein: a bearing (12) is installed below the polarizer film (11), and an adjusting drive (13) is installed below the bearing (12).

3. A multi-purpose multimeter having good measurement results according to claim 2, wherein: a power panel (14) is installed below the adjusting drive (13), and an end line (15) is installed on one side below the power panel (14).

4. A multi-purpose multimeter as claimed in claim 3, wherein said multimeter comprises: USB wiring (16) are installed to power strip (14) below opposite side, end shell (17) are installed to end line (15) below.

5. The multi-purpose multimeter of claim 4, wherein: the USB connecting wire (16) is provided with a protective shell (18) below, and one side of the outer wall surface of the bottom shell (7) is provided with a port (19).

6. The multi-purpose multimeter of claim 1, wherein: USB interface (20) are installed to drain pan (7) outer wall surface opposite side, universal meter body (1) inner wall surface mounting has shielding film (21).

7. The multi-purpose multimeter of claim 1, wherein: the level gauge is characterized in that a horizontal pointer is arranged inside the level gauge (2), and an induction lamp is arranged on one side of the horizontal pointer.