CN212932745U

CN212932745U - Clamp-on leakage ammeter

Info

Publication number: CN212932745U
Application number: CN202021477668.2U
Authority: CN
Inventors: 伍军
Original assignee: Guangdong Jun'an Zhiyuan Technology Co ltd
Current assignee: Guangdong Jun'an Zhiyuan Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-04-09
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a pincerlike leakage current meter, including instrument upper cover, trigger and block structure, the both sides on instrument upper cover top all are provided with the binding clip, the one end of binding clip is provided with the block structure, the block structure includes block groove, block and deflector, the one end of block and the one end fixed connection of binding clip, the block sets up the inside in binding clip one end, the top and the bottom in block groove all are provided with the deflector, the bottom on instrument upper cover surface is provided with the LCD display, the bottom of instrument upper cover is provided with protective structure, the surface of instrument upper cover one end is provided with the battery apron, the one end of instrument upper cover is provided with the instrument lower cover. The utility model discloses a be provided with the block structure, then can carry out the joint with relative binding clip under the effect of block and block groove when using to make seamless concatenation between the relative binding clip through block and block groove, thereby improved the effect of the seamless joint of this pincerlike leakage current meter.

Description

Clamp-on leakage ammeter

Technical Field

The utility model relates to a current detection technical field specifically is clip-on leakage ammeter.

Background

The clamp-on leakage current meter is specially manufactured for measuring alternating current leakage current and current, the clamp-on leakage current meter is widely applied to the fields of electric power, communication, scientific research and teaching units, industrial and mining enterprises and the like, a sensing iron core of the clamp-on leakage current meter is made of special alloy, and the clamp-on leakage current meter is enabled to be hardly influenced by an external magnetic field when in use by adopting a magnetic shielding technology, so that a measuring result has high precision and high stability.

Traditional this type of clip-on leakage ammeter is because the binding clip carries out the centre gripping to the survey measured wire when using, and relative binding clip is not enough to block completely to make the clip-on leakage ammeter not good to the detection effect of wire, so the clip-on leakage ammeter has now been developed, with the above-mentioned problem of solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pincerlike ampere meter that leaks to propose the not good problem of detection effect in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the clamp-on leakage current meter comprises an upper meter cover, a trigger and a clamping structure, wherein clamp heads are arranged on two sides of the top end of the upper meter cover, one end of the binding clip is provided with a clamping structure, the clamping structure comprises a clamping groove, a clamping block and a guide plate, one end of the clamping block is fixedly connected with one end of the binding clip, the clamping block is arranged inside one end of the binding clip, the top end and the bottom end of the clamping groove are both provided with guide plates, the guide plate is positioned at one side of the binding clip, one side of the upper meter cover is provided with a trigger, the surface of the upper meter cover is provided with a second combination key, the surface of the upper meter cover below the second combination key is provided with the first combination key, the bottom end of the surface of the upper meter cover is provided with an LCD display, the bottom of instrument upper cover is provided with protective structure, the surface of instrument upper cover one end is provided with the battery apron, the one end of instrument upper cover is provided with the instrument lower cover.

Preferably, the inside of instrument upper cover bottom is provided with the USB interface, and is parallel to each other between USB interface and the protective structure.

Preferably, protective structure includes the protective cover, inhales magnet, installation piece and articulated shaft, the central point on protective cover top puts the bottom of department and instrument upper cover and all is provided with and inhales the magnet, the articulated shaft has been run through to the inside of protective cover one end, the both sides of protective cover all are provided with the installation piece, and the one end of installation piece and the bottom fixed connection of instrument upper cover.

Preferably, the mounting blocks are symmetrically distributed about the central line of the protective cover, and through holes are formed in the mounting blocks.

Preferably, the inner diameter of the clamping groove is larger than the outer diameter of the clamping block, and a clamping structure is formed between the clamping block and the clamping groove.

Preferably, the binding clip is arc-shaped, and the surface of the meter lower cover is provided with a threaded hole.

Compared with the prior art, the beneficial effects of the utility model are that: the clamp-on leakage ammeter not only improves the seamless clamping effect, realizes the protection function, but also realizes the data inspection effect;

(1) by the clamping structure, the opposite binding clip can be clamped under the action of the clamping block and the clamping groove when in use, and the opposite binding clip can be seamlessly spliced through the clamping block and the clamping groove, so that the seamless clamping effect of the clamp-on leakage ammeter is improved;

(2) by arranging the protection structure, the protection cover can rotate under the matching of the installation block and the hinge shaft when in use, and can rotate again and be fixed under the action of the magnetic attraction body when not in use, so that the pincerlike leakage current meter has the protection effect;

(3) through being provided with the USB interface, when needs inspection historical record, then the inside of USB interface is inserted to accessible USB connecting wire, and other end of USB connecting wire is connected on other software, then can inspect historical record to the effect of this pincerlike leakage current meter convenient to data inspection has been realized.

Drawings

Fig. 1 is a schematic view of a front view partial section structure of the present invention;

fig. 2 is an enlarged partial cross-sectional view of the utility model at a in fig. 1;

FIG. 3 is an enlarged cross-sectional view of the engaging structure of the present invention;

fig. 4 is a schematic rear view of the present invention.

In the figure: 1. an upper meter cover; 2. a trigger; 3. a USB interface; 4. a protective structure; 401. a protective cover; 402. a attracting magnet; 403. mounting blocks; 404. hinging a shaft; 5. an LCD display; 6. a first combination key; 7. a second combination key; 8. a binding clip; 9. a snap-fit structure; 901. a clamping groove; 902. a clamping block; 903. a guide plate; 10. a battery cover plate; 11. and a lower meter cover.

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. 1-4, the present invention provides an embodiment: the clamp-type leakage current meter comprises an upper meter cover 1, a trigger 2 and a clamping structure 9, wherein two sides of the top end of the upper meter cover 1 are respectively provided with a clamp head 8, the clamp heads 8 are designed in an arc shape, the surface of a lower meter cover 11 is provided with a threaded hole, one end of each clamp head 8 is provided with the clamping structure 9, each clamping structure 9 comprises a clamping groove 901, a clamping block 902 and a guide plate 903, one end of each clamping block 902 is fixedly connected with one end of each clamp head 8, each clamping block 902 is arranged inside one end of each clamp head 8, the top end and the bottom end of each clamping groove 901 are respectively provided with the guide plate 903, each guide plate 903 is positioned on one side of each clamp head 8, the inner diameter of each clamping groove 901 is larger than the outer diameter of each clamping block 902, and a clamping structure;

specifically, as shown in fig. 3, when the structure is used, firstly, the opposite binding clip 8 can be clamped under the action of the clamping block 902 and the clamping groove 901 when in use, and the opposite binding clip 8 is seamlessly spliced through the clamping block 902 and the clamping groove 901, so that the seamless clamping effect of the clamp-shaped leakage current meter is improved;

a trigger 2 is arranged on one side of an upper instrument cover 1, a second combination key 7 is arranged on the surface of the upper instrument cover 1, a first combination key 6 is arranged on the surface of the upper instrument cover 1 below the second combination key 7, an LCD (liquid crystal display) 5 is arranged at the bottom end of the surface of the upper instrument cover 1, a protective structure 4 is arranged at the bottom end of the upper instrument cover 1, the protective structure 4 comprises a protective cover 401, a magnet attracting body 402, an installation block 403 and a hinge shaft 404, the magnet attracting body 402 is arranged at the central position of the top end of the protective cover 401 and the bottom end of the upper instrument cover 1, the hinge shaft 404 penetrates through the interior of one end of the protective cover 401, installation blocks 403 are arranged on two sides of the protective cover 401, one end of each installation block 403 is fixedly connected with the bottom end of the upper instrument cover 1, the installation blocks 403 are symmetrically distributed relative to;

specifically, as shown in fig. 2, when the structure is used, the protective cover 401 can be rotated under the cooperation of the mounting block 403 and the hinge shaft 404 when in use, and the protective cover 401 is rotated again and fixed under the action of the magnetic attraction body 402 when not in use, so that dust accumulation inside the USB interface 3 exposed for a long time can be avoided through the action of the protective cover 401, which is not beneficial to the use of the USB interface 3, and the protective effect of the pincerlike leakage current meter is realized;

a battery cover plate 10 is arranged on the surface of one end of the upper instrument cover 1, a lower instrument cover 11 is arranged on one end of the upper instrument cover 1, a USB interface 3 is arranged inside the bottom end of the upper instrument cover 1, and the USB interface 3 and the protective structure 4 are parallel to each other;

during the use, when needing to inspect the historical record, then the accessible USB connecting wire inserts the inside of USB interface 3, and the other end of USB connecting wire is connected in computer connector department to accessible computer inspection is gone up to this pincerlike leakage current table and is detected the historical record of wire through the mutually supporting of second combination key 7 and first combination key 6, thereby has realized the effect that this pincerlike leakage current table is convenient for data inspection.

The working principle is as follows: when the clamp-on leakage ammeter is used, electric energy is provided by a lithium battery, the clamp-on leakage ammeter is started by pressing a first combination key 6, the LCD display 5 starts to display at the moment, then a trigger 2 is pressed down to open a clamp head 8, then a measured lead is placed between opposite clamp heads 8, at the moment, the trigger 2 is released to enable a clamping block 902 to be clamped inside a clamping groove 901, the opposite clamp heads 8 can be tightly attached under the common matching of the clamping block 902 and the clamping groove 901, and the measured lead is clamped between the corresponding pair of clamp heads 8 at the moment;

then, the clamp head 8 is used for detection, people can know corresponding signals through the LCD display 5, other higher instruments are selected for testing when the LCD display 5 displays an OLA symbol, and the second combination key 7 can be pressed for automatic numbering and storing when various wires are tested;

finally when historical detection information needs to be consulted, the USB power line can be inserted into the USB interface 3, the protective cover 401 is overturned through the mounting block 403 and the hinge shaft 404, the other end of the USB power line is connected to a computer, the first combination key 6 and the second combination key 7 are pressed at the moment, the data consulting mode is entered, the stored first group of data is automatically displayed, the stored data is circularly browsed by pressing the second combination key 7, the data consulting mode exits when the first combination key 6 is pressed, the connecting line is pulled out at the moment, then the protective cover 401 is overturned in a reversed phase mode, the protective cover 401 is tightly attached to the upper cover 1 of the instrument under the cooperation of the magnet absorbing body 402, and the using process of the clamp-on leakage current meter is finally completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Tong-type leakage current meter, including instrument upper cover (1), trigger (2) and block structure (9), its characterized in that: the two sides of the top end of the upper instrument cover (1) are respectively provided with a binding clip (8), one end of the binding clip (8) is provided with a clamping structure (9), the clamping structure (9) comprises a clamping groove (901), a clamping block (902) and a guide plate (903), one end of the clamping block (902) is fixedly connected with one end of the binding clip (8), the clamping block (902) is arranged inside one end of the binding clip (8), the top end and the bottom end of the clamping groove (901) are respectively provided with the guide plate (903), the guide plate (903) is positioned on one side of the binding clip (8), one side of the upper instrument cover (1) is provided with a trigger (2), the surface of the upper instrument cover (1) is provided with a second combination key (7), the surface of the upper instrument cover (1) below the second combination key (7) is provided with a first combination key (6), the bottom end of the surface of the upper instrument cover (1) is provided with an LCD display (5), the bottom of instrument upper cover (1) is provided with protective structure (4), the surface of instrument upper cover (1) one end is provided with battery apron (10), the one end of instrument upper cover (1) is provided with instrument lower cover (11).

2. The clamp-on leakage current meter according to claim 1, wherein: the instrument top cover is characterized in that a USB interface (3) is arranged inside the bottom end of the instrument top cover (1), and the USB interface (3) and the protection structure (4) are parallel to each other.

3. The clamp-on leakage current meter according to claim 1, wherein: protective structure (4) include protective cover (401), inhale magnet (402), installation piece (403) and articulated shaft (404), the central point on protective cover (401) top puts the bottom of department and instrument upper cover (1) and all is provided with and inhales magnet (402), articulated shaft (404) have been run through to the inside of protective cover (401) one end, the both sides of protective cover (401) all are provided with installation piece (403), and the bottom fixed connection of the one end of installation piece (403) and instrument upper cover (1).

4. The clamp-on leakage current meter according to claim 3, wherein: the mounting blocks (403) are symmetrically distributed about the center line of the protective cover (401), and through holes are formed in the mounting blocks (403).

5. The clamp-on leakage current meter according to claim 1, wherein: the inner diameter of the clamping groove (901) is larger than the outer diameter of the clamping block (902), and a clamping structure is formed between the clamping block (902) and the clamping groove (901).

6. The clamp-on leakage current meter according to claim 1, wherein: the clamp head (8) is in an arc-shaped design, and a threaded hole is formed in the surface of the lower meter cover (11).