CN216117778U - Telescopic pincerlike current measuring device - Google Patents
Telescopic pincerlike current measuring device Download PDFInfo
- Publication number
- CN216117778U CN216117778U CN202122484235.0U CN202122484235U CN216117778U CN 216117778 U CN216117778 U CN 216117778U CN 202122484235 U CN202122484235 U CN 202122484235U CN 216117778 U CN216117778 U CN 216117778U
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- iron core
- telescopic
- secondary winding
- ammeter body
- measuring device
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Abstract
The utility model relates to the technical field of measuring electrical equipment, in particular to a telescopic pincerlike current measuring device, which comprises a current meter body and a telescopic iron core, wherein the current meter body is provided with a current meter body; the ammeter body is provided with a hand holding part; the ammeter body is provided with a secondary winding; a tong head is arranged on the ammeter body; the binding clip includes: a connecting portion and a jaw end portion; one end of the connecting part is arranged on the ammeter body; the connecting part is positioned at one end of the secondary winding; the end part of the clamp is provided with the other end of the connecting part; the end part of the clamp is provided with a cambered surface groove structure facing the secondary winding; the telescopic iron core comprises: a fixed iron core and a movable iron core; the fixed iron core is arranged on the ammeter body and positioned at the other end of the secondary winding; the movable iron core can be arranged on the fixed iron core in a sliding mode, and one end of the movable iron core is fixedly provided with an insulating rod; a handle is fixedly arranged on the insulating rod; an elastic reset component is arranged between the insulating rod and the circuit meter body. The utility model can reduce the requirement on the measurement space and is convenient to operate.
Description
Technical Field
The utility model relates to the technical field of electrical equipment measurement, in particular to a telescopic pincerlike current measuring device.
Background
In power engineering, a clamp ammeter has been widely used. The clamp-on ammeter mainly comprises a current transformer, an ammeter and the like, and when the clamp-on ammeter is used, a clamp head of the clamp-on ammeter is clamped to a measuring position, so that current measurement can be realized.
When the existing clamp-on ammeter is used, a worker needs to press the clamp head to enable one side or two sides of the clamp head to swing outwards, and a wire is placed into the clamp head from a clamp jaw to measure; under many circumstances, because the line distance is less, and operating space is less, leads to pincerlike ampere meter measurement operation difficulty, makes operating personnel have the risk that the electrified position is touched to the mistake, and some positions can't measure even.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a telescopic pincerlike current measuring device, which mainly aims to reduce the requirement for measuring space and facilitate operation.
In order to achieve the purpose, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a telescopic pincerlike current measuring device, which comprises a current meter body and a telescopic iron core, wherein the current meter body is provided with a current meter body;
the ammeter body is provided with a hand holding part;
a range selection switch is arranged on the ammeter body;
the ammeter body is provided with a secondary winding; the secondary winding is electrically connected with the ammeter body;
a binding clip is fixedly arranged on the ammeter body; the binding clip includes: a connecting portion and a jaw end portion;
one end of the connecting part is fixedly arranged on the ammeter body; the connecting part is positioned at one end of the secondary winding;
the end part of the pliers is fixedly provided with the other end of the connecting part;
the clamp end part is positioned on one side of the secondary winding opposite to the hand holding part; the end part of the clamp is provided with a cambered surface groove structure facing the secondary winding;
the telescopic iron core comprises: a fixed iron core and a movable iron core;
the fixed iron core is fixedly arranged on the ammeter body and is positioned at the other end of the secondary winding;
the movable iron core can be slidably arranged on the fixed iron core;
one end of the movable iron core is fixedly provided with an insulating rod; a handle is fixedly arranged on the insulating rod; an elastic reset component is arranged between the insulating rod and the circuit meter body;
the movable iron core can be driven by the elastic reset component to slide to the end part of the pliers; the telescopic iron core, the tong head and the secondary winding can form a closed loop; the movable iron core can be pushed by the handle through the insulating rod and is far away from the end part of the pliers, and an opening is formed between the movable iron core and the end part of the pliers.
Further, the telescopic iron core is arranged in parallel with the connecting part.
Further, the cambered surface groove structure is a semicircular groove structure.
Further, the outer side of the end part of the pliers is of a semicircular structure.
Further, the elastic return member is a compression spring.
Further, the insulating rod is made of plastic.
By the technical scheme, the telescopic pincerlike current measuring device at least has the following advantages:
the requirement on the measuring space can be reduced, and the operation is convenient.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a telescopic clamp current measuring device according to an embodiment of the present invention.
Shown in the figure:
the device comprises a current meter body 1, a range selection switch 2, a grip portion 3, a secondary winding 4, a binding clip 5, a connecting portion 5-1, a binding clip end portion 5-2, a telescopic iron core 6, an insulating rod 7, a handle 8 and an elastic reset component 9.
Detailed Description
To further explain the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present application will be given with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1, a telescopic clamp current measuring device according to an embodiment of the present invention includes a current meter body 1 and a telescopic iron core 6;
the ammeter body 1 is provided with a hand grip portion 3 for the operator to hold. The ammeter body 1 is provided with a range selection switch 2 for an operator to adjust the range of the ammeter body 1. The ammeter body 1 is provided with a secondary winding 4; the secondary winding 4 is electrically connected with the ammeter body 1; a binding clip 5 is fixedly arranged on the ammeter body 1; the binding clip 5 includes: a connecting part 5-1 and a clamp end part 5-2; one end of the connecting part 5-1 is fixedly arranged on the ammeter body 1; the connecting part 5-1 is positioned at one end of the secondary winding 4; the end part 5-2 of the pliers is fixedly provided with the other end of the connecting part 5-1; the preferred embodiment is to integrate the connecting portion 5-1 with the jaw end 5-2. The jaw end 5-2 is located on the side of the secondary winding 4 opposite the hand grip 3; the clamp end part 5-2 is provided with an arc surface groove structure facing the secondary winding 4 so as to surround the cable to be tested; one end of the cambered surface groove structure is connected with the connecting part 5-1. In the present embodiment, the arc-shaped groove structure is preferably a semicircular groove structure to form a uniform enclosure for the electric wire inside the binding clip 5. Further preferably, the outer side of the clamp end part 5-2 is of a semicircular structure, so that the clamp end part 5-2 forms a semicircular annular structure, and the cable can be surrounded in a small space.
The telescopic core 6 includes: a fixed iron core and a movable iron core; the fixed iron core is fixedly arranged on the ammeter body 1 and positioned at the other end of the secondary winding 4; is arranged opposite to the connecting part 5-1; the movable iron core can be arranged on the fixed iron core in a sliding mode; in the embodiment, the fixed iron core is preferably of a sleeve structure; the movable iron core is inserted in the fixed iron core and can slide relative to the fixed iron core. Of course, the fixed iron core and the movable iron core can be matched with a sliding groove and a sliding rod structure. Preferably, the telescopic core 6 is disposed in parallel with the connecting portion 5-1 to reduce the overall space occupation.
One end of the movable iron core is fixedly provided with an insulating rod 7; in the present embodiment, the insulating rod 7 is preferably made of plastic, but may be made of other insulating materials. A handle 8 is fixedly arranged on the insulating rod 7; the movable iron core is used for pushing the movable iron core to move by an operator; the handle 8 can be a protruding structure fixed on the insulating rod 7 to facilitate pushing operation by an operator. An elastic reset component 9 is arranged between the insulating rod 7 and the circuit meter body; in the present embodiment, the elastic restoring member 9 is preferably a compression spring, and the structure is reliable. The movable iron core can be driven by the elastic reset component 9 to slide to the end part 5-2 of the clamp; the telescopic iron core 6 can form a closed loop with the clamp head 5 and the secondary winding 4; the movable iron core can be pushed by a handle 8 through an insulating rod 7 to be far away from the end part 5-2 of the pliers, and an opening is formed between the movable iron core and the end part 5-2 of the pliers.
In the embodiment, one end of the clamp end part 5-2 is preferably fixedly provided with the other end of the connecting part 5-1; the end surface of the other end of the pliers end part 5-2 is an inclined plane; the end surface of the movable iron core facing to the end part 5-2 of the pliers is an inclined plane, and the two end surfaces are matched with each other, so that the movable iron core is subjected to longitudinal force and lateral force of the end part 5-2 of the pliers to keep the movable iron core and the fixed iron core in full contact.
The telescopic clamp-on current measuring device provided by one embodiment of the utility model can reduce the requirement on measuring space and is convenient to operate. Compared with the traditional clamp ammeter, the telescopic clamp ammeter provided by one embodiment of the utility model has the advantages that the required working width is greatly reduced, the condition that a worker adjusts the line distance for measuring the current is avoided, the condition that the worker mistakenly touches an electrified part during measurement is reduced, and the personal safety of the worker is effectively ensured.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (6)
1. A telescopic pincerlike current measuring device is characterized by comprising a current meter body and a telescopic iron core;
the ammeter body is provided with a hand holding part;
a range selection switch is arranged on the ammeter body;
the ammeter body is provided with a secondary winding; the secondary winding is electrically connected with the ammeter body;
a binding clip is fixedly arranged on the ammeter body; the binding clip includes: a connecting portion and a jaw end portion;
one end of the connecting part is fixedly arranged on the ammeter body; the connecting part is positioned at one end of the secondary winding;
the end part of the pliers is fixedly provided with the other end of the connecting part;
the clamp end part is positioned on one side of the secondary winding opposite to the hand holding part; the end part of the clamp is provided with a cambered surface groove structure facing the secondary winding;
the telescopic iron core comprises: a fixed iron core and a movable iron core;
the fixed iron core is fixedly arranged on the ammeter body and is positioned at the other end of the secondary winding;
the movable iron core can be slidably arranged on the fixed iron core;
one end of the movable iron core is fixedly provided with an insulating rod; a handle is fixedly arranged on the insulating rod; an elastic reset component is arranged between the insulating rod and the ammeter body;
the movable iron core can be driven by the elastic reset component to slide to the end part of the pliers; the telescopic iron core, the tong head and the secondary winding can form a closed loop; the movable iron core can be pushed by the handle through the insulating rod and is far away from the end part of the pliers, and an opening is formed between the movable iron core and the end part of the pliers.
2. The telescopic clamp current measuring device of claim 1,
the telescopic iron core and the connecting part are arranged in parallel.
3. The telescopic clamp current measuring device of claim 1,
the cambered surface groove structure is a semicircular groove structure.
4. The telescopic clamp current measuring device of claim 3,
the outer side of the end part of the pliers is of a semicircular structure.
5. The telescopic clamp current measuring device of claim 1,
the elastic reset component is a compression spring.
6. The telescopic clamp current measuring device of claim 1,
the insulating rod is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484235.0U CN216117778U (en) | 2021-10-15 | 2021-10-15 | Telescopic pincerlike current measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484235.0U CN216117778U (en) | 2021-10-15 | 2021-10-15 | Telescopic pincerlike current measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216117778U true CN216117778U (en) | 2022-03-22 |
Family
ID=80692870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122484235.0U Withdrawn - After Issue CN216117778U (en) | 2021-10-15 | 2021-10-15 | Telescopic pincerlike current measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216117778U (en) |
-
2021
- 2021-10-15 CN CN202122484235.0U patent/CN216117778U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20220322 Effective date of abandoning: 20221028 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20220322 Effective date of abandoning: 20221028 |