CN211718373U

CN211718373U - Portable ammeter

Info

Publication number: CN211718373U
Application number: CN201922479828.0U
Authority: CN
Inventors: 张德全
Original assignee: Huajian Measurement And Testing Tianjin Co ltd
Current assignee: Huajian Measurement And Testing Tianjin Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-20
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a portable ammeter, which comprises an ammeter main body and an instrument panel arranged on the front end face of the ammeter main body, wherein a protective top cover is arranged on the top end of the ammeter main body, a handle is fixedly arranged on the protective top cover, a signal shielding device is arranged on one side of the handle, the front end of the protective top cover is rotatably connected with a protective cover, a visual window is arranged in the middle of the protective cover, an iron sheet is arranged at the lower end of the protective cover, one side of the ammeter main body is electrically connected with a charging port and a switch, one side of the switch is connected with a storage battery arranged in the ammeter main body through a charging wire, one side of the storage battery is provided with a mounting box, an iron core is arranged in the mounting box, a pole shoe is arranged behind the iron core, a pointer is fixed on one side of the, the utility model discloses portable, and long service life.

Description

Portable ammeter

Technical Field

The utility model relates to an ampere meter specifically is a portable ampere meter.

Background

The ammeter is made by the action of magnetic field force applied to the current conductor in the magnetic field. The ammeter is internally provided with a permanent magnet, a magnetic field is generated between poles, a coil is arranged in the magnetic field, two ends of the coil are respectively provided with a hairspring spring, the springs are respectively connected with a binding post of the ammeter, the springs and the coil are connected through a rotating shaft, and a pointer is arranged at the front end of the rotating shaft opposite to the ammeter. When current flows, the current passes through the magnetic field along the spring and the rotating shaft, and the current cuts the magnetic induction line, so that the coil deflects under the action of the magnetic field force to drive the rotating shaft and the pointer to deflect. Since the magnitude of the magnetic field force increases with increasing current, the magnitude of the current can be observed by the degree of deflection of the pointer.

In the electronic equipment detection, the ampere meter is a commonly used detecting instrument, and traditional ampere meter is bulky, portable not convenient, it is very inconvenient to use, and the ampere meter influences the life of ampere meter owing to fall the dial plate from the eminence and often appear the fracture.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable ampere meter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a portable ammeter comprises an ammeter main body and an instrument panel arranged on the front end face of the ammeter main body, wherein a protective top cover is arranged at the top end of the ammeter main body, a handle is fixedly arranged on the protective top cover, a signal shielding device is arranged on one side of the handle, the front end of the protective top cover is rotatably connected with a protective cover, a visual window is arranged in the middle of the protective cover, an iron sheet is arranged at the lower end of the protective cover, one side of the ammeter main body is electrically connected with a charging port and a switch, one side of the switch is connected with a storage battery arranged in the ammeter main body through a charging wire, one side of the storage battery is provided with a mounting box, an iron core is arranged in the mounting box, a pole shoe is arranged behind the iron core, a pointer is fixed on one side of the iron core, a lighting lamp is arranged on the, one end of the current meter pen is connected to the iron core through a wire.

Preferably, the inner end face of the visual window is connected with observation glass through a groove clamp, so that the reading can be carried out under the condition that the protective cover is not opened, and the visual window is convenient and quick.

Preferably, an aluminum frame is installed on the horizontal end face of the iron core, and a coil at one end of the lead is wound on the aluminum frame to realize installation of the internal test element of the ammeter.

Preferably, a rotating shaft penetrates through the middle of the iron core, and the lower end of the pointer is fixed to one end of the rotating shaft, so that reading is facilitated.

Preferably, the light passes through the internal electric wire connection and is in battery power output end conveniently throws light on under the dark condition, does not influence the accuracy of reading.

Preferably, the ampere meter main part lower extreme all is fixed with the stabilizer blade all around, the terminal surface is adhered to the rubber pad under the stabilizer blade, guarantees the utility model discloses a steadiness.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can be used for users to conveniently lift and take the ammeter through the arranged handle, and the support leg at the bottom can ensure the stability of the utility model when placing; through the design of the protective cover, the protective cover is arranged outside the instrument panel during carrying, the dial plate can be protected, and the iron sheet on the protective cover and the permanent magnet on the ammeter main body are mutually attracted, so that the protective cover can be firmly fixed above the instrument panel during moving; and through the designed protective top plate, heavy objects can be prevented from being impacted when the novel portable luggage carrier is carried; through the light that sets up, can still can accurate reading under dim conditions such as night, improve the practicality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the functional structure of the present invention;

fig. 3 is a schematic view of the internal structure of the present invention.

In the figure: 1-a protective cover; 2-a protective roof; 3-an ammeter body; 4-a charging port; 5-a support leg; 6-iron sheet; 7-a visual window; 8-a storage battery; 9-instrument panel; 10-a lighting lamp; 11-a permanent magnet; 12-a galvanic meter pen; 13-a handle; 14-a signal shield; 15-a pointer; 16-mounting a box; 17-a wire; 18-pole shoe; 19-a core; 20-switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a portable ammeter comprises an ammeter main body 3 and an instrument panel 9 arranged at the front end face of the ammeter main body 3, wherein a protective top cover 2 is arranged at the top end of the ammeter main body 3, a handle 13 is fixedly arranged on the protective top cover 2, a signal shielding device 14 is arranged on one side of the handle 13, the front end of the protective top cover 2 is rotatably connected with a protective cover 1, a visual window 7 is arranged in the middle of the protective cover 1, an iron sheet 6 is arranged at the lower end of the protective cover 1, a charging port 4 and a switch 20 are electrically connected to one side of the ammeter main body 3, a storage battery 8 arranged in the ammeter main body 3 is connected to one side of the switch 20 through a charging wire, a mounting box 16 is arranged on one side of the storage battery 8, an iron core 19 is arranged in the mounting box 16, a pole shoe 18 is arranged behind the iron core 19, a pointer 15 is fixed on, permanent magnet 11 is installed to panel board 9 lower extreme, permanent magnet 11 lower extreme is installed the amperemeter pen 12, amperemeter pen 12 one end is passed through wire 17 and is connected on iron core 19.

The terminal surface has observation glass through being provided with the recess joint in the visual window 7, can be at the condition reading of not opening protective cover 1, convenient and fast, the aluminium frame is installed to 19 horizontal terminal surfaces of iron core, the coil winding of wire 17 one end is in on the aluminium frame, realize the inside test element's of ampere meter installation, it has the pivot to run through in the middle of 19 iron cores, just 15 lower extremes of pointer are fixed pivot one end makes things convenient for the reading, light 10 is in through inside wire connection 8 electric energy output of battery, the convenience throws light on under the dark condition, does not influence the accuracy of reading, 3 lower extremes of ampere meter main part all are fixed with stabilizer blade 5 all around, the terminal surface has the rubber pad under the stabilizer blade 5, guarantees the utility model discloses a steadiness.

The working principle is as follows: the utility model relates to a portable ammeter, user's accessible handle 13 mentions ammeter main part 3, high durability and convenient use, draw electric current meter pen 12 when needs measuring current, when electric current passes through positive negative current meter pen, the coil ampere force of wire 17 one end winding on the aluminium frame of iron core 19 horizontal plane, pivot and the aluminium frame that runs through in the drive iron core 19 rotate, thereby drive pointer 15 and rotate, can be on panel board 9 the reading, if under the dark condition, can open switch 20, then light 10 is bright, can clearly see panel board 9, light 10 is connected to battery 8 through inside electric wire, when light 10 light is weak, can be connected to external power source charge mouthful 4 and charge battery 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portable ammeter, its characterized in that: the ammeter comprises an ammeter main body (3) and an instrument panel (9) arranged on the front end face of the ammeter main body (3), wherein a protective top cover (2) is installed on the top end of the ammeter main body (3), a handle (13) is fixedly installed on the protective top cover (2), a signal shielding device (14) is installed on one side of the handle (13), the front end of the protective top cover (2) is rotatably connected with a protective cover (1), a visual window (7) is formed in the middle of the protective cover (1), an iron sheet (6) is installed at the lower end of the protective cover (1), a charging port (4) and a switch (20) are electrically connected on one side of the ammeter main body (3), a storage battery (8) arranged inside the ammeter main body (3) is connected on one side of the switch (20) through a charging wire, a mounting box (16) is arranged on one side of the storage battery (8), and an iron, iron core (19) rear is provided with pole shoe (18), iron core (19) one side is fixed with pointer (15), light (10) are installed to panel board (9) periphery, permanent magnet (11) are installed to panel board (9) lower extreme, current meter pen (12) are installed to permanent magnet (11) lower extreme, current meter pen (12) one end is passed through wire (17) and is connected on iron core (19).

2. A portable ammeter as defined in claim 1 wherein: the inner end face of the visual window (7) is clamped with observation glass through a groove.

3. A portable ammeter as defined in claim 1 wherein: an aluminum frame is installed on the horizontal end face of the iron core (19), and a coil at one end of the lead (17) is wound on the aluminum frame.

4. A portable ammeter as defined in claim 1 wherein: a rotating shaft penetrates through the middle of the iron core (19), and the lower end of the pointer (15) is fixed at one end of the rotating shaft.

5. A portable ammeter as defined in claim 1 wherein: the illuminating lamp (10) is connected to the electric energy output end of the storage battery (8) through an internal electric wire.

6. A portable ammeter as defined in claim 1 wherein: supporting legs (5) are fixed to the periphery of the lower end of the ammeter main body (3), and rubber pads are attached to the lower end faces of the supporting legs (5).