CN212780972U

CN212780972U - Novel pincerlike ammeter

Info

Publication number: CN212780972U
Application number: CN202021689931.4U
Authority: CN
Inventors: 曹峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-03-23
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to a novel pincerlike ampere meter, including removable measurement pincers, ampere meter body and data connection device, data connection device's one end detachable installs on measuring pincers, data connection device's other end detachable installs on the ampere meter body, measure pincers and measure pincers or heavy-calibre for the small-bore. The utility model discloses following beneficial effect has: the measuring clamp has the advantage of being replaceable, can select the measuring clamp in a proper form according to a measuring scene, achieves the purpose of adapting the measuring clamp and the measuring lead, and ensures the accuracy of a measuring result. The independent measuring clamp is small in size and is more suitable for special places such as narrow spaces. The measuring clamp and the ammeter body are in rigid connection, the stability of measurement is ensured, the measuring clamp is replaceable, and the measuring clamp in a proper form can be selected according to a measuring scene.

Description

Novel pincerlike ammeter

Technical Field

The utility model relates to a novel pincerlike ampere meter belongs to the transformer and overhauls technical field.

Background

When the current is measured by a common ammeter, the ammeter is connected to measure after the circuit is cut off and shut down, which is troublesome, and sometimes the motor which normally runs is not allowed to do so. At this time, the use of a clamp ammeter is more convenient, and the current can be measured without cutting off the circuit.

The split core ammeter is formed by combining a current transformer and an ammeter. The iron core of the current transformer can be opened when the wrench is tightened; the lead through which the current to be measured passes can pass through the open notch of the iron core without being cut off, and the iron core is closed after the wrench is released.

The measurement pincers and the ampere meter body formula structure as an organic whole of current pincerlike ampere meter, measurement pincers pincerlike open-ended size is certain, can not adjust, and some specific electric wires are then inconvenient to be used measuring, wait a novel pincerlike ampere meter urgently, make it can be applicable to more places, make things convenient for daily maintenance and disappear and lack work.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: in order to solve one of the above problems, a novel clamp-on ammeter is provided.

Novel clip-on ammeter, its characterized in that: the measuring clamp comprises a replaceable measuring clamp, an ammeter body and a data connecting device, wherein one end of the data connecting device is detachably mounted on the measuring clamp, the other end of the data connecting device is detachably mounted on the ammeter body, and the measuring clamp is a small-caliber measuring clamp or a large-caliber measuring clamp.

Preferably, the data connection device comprises a connection data wire, at least one ammeter body connection female plug is arranged on the right end face of the ammeter body, the ammeter body connection female plug is provided with a first male plug which can be plugged and unplugged, the first male plug is connected with a connection data wire, one end of the connection data wire, far away from the first male plug, is provided with a second male plug, the bottom of the measuring forceps is provided with a measuring forceps connection female plug, and the measuring forceps connection female plug is provided with a second male plug which can be plugged and unplugged.

Preferably, the connection data wire is a flexible wire, the wire is a wire metal wire inside, and the outside is coated with an elastic sheath.

Preferably, the ammeter body comprises an ammeter shell, a display screen is arranged on the front surface of the ammeter shell, at least one ammeter body connecting female plug is arranged on the right end face of the ammeter shell, a control circuit is arranged in the ammeter shell, the input end of the control circuit is electrically connected with the measuring clamp, the output end of the control circuit is electrically connected with the display screen, the control circuit comprises a current-voltage conversion circuit electrically connected with the ammeter body connecting female plug, the output end of the current-voltage conversion circuit is connected with a correction circuit, the output end of the correction circuit is connected with an analog signal conversion circuit, and the output end of the analog signal conversion circuit is electrically connected with the display screen.

Preferably, the measuring clamp is a small-caliber measuring clamp and comprises a measuring clamp shell, the bottom of the measuring clamp shell is provided with a measuring clamp connecting female plug, the front end of the measuring clamp shell is provided with a clamp head, the clamp head is openable and closable and comprises a first clamp body fixed at the front end of the measuring clamp shell and a second clamp body hinged at the front end of the measuring clamp shell, an iron core and a coil are arranged in the measuring clamp shell, the end parts of the first clamp body and the second clamp body are respectively and electrically connected with the two ends of the iron core, the coil is wound on the iron core, the iron core is a ferrite iron core, the two terminals of the coil are electrically connected with the measuring clamp connecting female plug, the first clamp body and the second clamp body surround to form a clamp mouth, the clamp mouth is circular, the diameter is 10-15mm, and the diameter of a lead wire is 1-5 mm.

Preferably, the measuring clamp is a large-caliber measuring clamp, and can measure a lead with the diameter of 1-25 mm.

Preferably, the data connection device comprises a third male plug and a fourth male plug which are integrally formed and arranged in a back-to-back manner, a first connection plate is integrally formed on the outer wall of the joint of the third male plug and the fourth male plug, the first connection plate is perpendicular to the axis of the third male plug, a second connection plate is perpendicularly connected to the upper end of the first connection plate, a connection screw A and a connection screw B are respectively arranged at the bottoms of the first connection plate and the second connection plate, a bolt hole A matched with the connection screw A is formed in the end face of the ammeter body, and a bolt hole B matched with the connection screw B is formed in the upper surface of the measuring clamp.

Preferably, the measuring clamp shell and the ammeter shell can be made of hard rubber materials, so that the measuring clamp shell has the advantages of high rigidity, toughness, impact resistance, difficulty in breaking, capability of being repeatedly opened and closed, and light weight.

Preferably, through holes for installing the connecting screws A and B on the first connecting plate and the second connecting plate are counter bores.

Compared with the prior art, the utility model discloses following beneficial effect has:

novel pincerlike ampere meter, measure pincers and have removable advantage, can select for use the measurement pincers of appropriate form according to measuring the scene, reach the purpose of measuring pincers and measuring wire looks adaptation, guarantee measuring result's accuracy.

Novel pincerlike ampere meter, data connection device include connection data wire, connection data wire is flexible wire, measures pincers and ampere meter body and adopts the disconnect-type design, independent measurement pincers's volume is less, is fit for some more like the narrow and small special places in space.

Novel pincerlike ampere meter, measuring pincers and ampere meter body adopt rigid connection, the outward appearance is similar with traditional pincerlike ampere meter, and this body coupling of ampere meter mother inserts, measuring pincers connect mother and insert, the connection between third public plug and the fourth public plug is more reliable, guarantees measuring stability, and has the removable advantage of measuring pincers, can select for use the measuring pincers of appropriate form according to measuring the scene.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is an enlarged view of the structure of the measuring jaw;

fig. 3 is a right side view of the measuring jaw;

FIG. 4 is a right side view of the ammeter body;

fig. 5 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 6 is a front view of the first connecting plate;

FIG. 7 is a right side view of the first connecting plate;

FIG. 8 is a top view of the first connecting plate;

fig. 9 is a schematic circuit diagram of the present invention.

In the figure: 1. the measuring clamp comprises a measuring clamp 1.1, a first clamp 1.2, a second clamp 1.3, a measuring clamp shell 1.4, an iron core 1.5, a coil 2, an ammeter body 2.1, an ammeter shell 2.2, a current-voltage conversion circuit 2.3, a correction circuit 2.4, an analog signal conversion circuit 3, a connecting data wire 4, a first male plug 5, an ammeter body connecting female plug 6, a display screen 7, a second male plug 8, a measuring clamp connecting female plug 9, a third male plug 10, a fourth male plug 11, a connecting plate I12, a connecting plate II 13, a connecting screw A14, a connecting screw B15, a bolt hole A16 and a bolt hole B.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Examples

As shown in fig. 1, 2, 3, 4, and 9, the novel clamp-on ammeter comprises a replaceable measuring clamp 1, an ammeter body 2, and a data connection device, wherein one end of the data connection device is detachably mounted on the measuring clamp 1, the other end of the data connection device is detachably mounted on the ammeter body 2, and the measuring clamp 1 is a small-caliber measuring clamp or a large-caliber measuring clamp.

In this embodiment, the data connection device includes a connection data wire 3, at least one ammeter body connection female plug 5 is arranged on the right end face of the ammeter body 2, the ammeter body connection female plug 5 is connected with a first male plug 4 which can be plugged and unplugged, the first male plug 4 is connected with the connection data wire 3, one end of the connection data wire 3, which is far away from the first male plug 4, is provided with a second male plug 7, the bottom of the measuring forceps 1 is provided with a measuring forceps connection female plug 8, and the measuring forceps is connected with the second male plug 7 which can be plugged and unplugged on the female plug 8; the connecting data wire 3 is a flexible wire, a wire metal wire is arranged inside the wire, and an elastic sheath is coated outside the wire; the ammeter body 2 comprises an ammeter shell 2.1, a display screen 6 is arranged on the front surface of the ammeter shell 2.1, at least one ammeter body connecting female plug 5 is arranged on the right end face of the ammeter shell 2.1, a control circuit is arranged in the ammeter shell 2.1, the input end of the control circuit is electrically connected with the measuring clamp 1, the output end of the control circuit is electrically connected with the display screen 6, the control circuit comprises a current-voltage conversion circuit 2.2 electrically connected with the ammeter body connecting female plug 5, the output end of the current-voltage conversion circuit 2.2 is connected with a correction circuit 2.3, the output end of the correction circuit 2.3 is connected with an analog signal conversion circuit 2.4, and the output end of the analog signal conversion circuit 2.4 is electrically connected with the display screen 6; the measuring clamp 1 is a small-caliber measuring clamp and comprises a measuring clamp shell 1.3, a measuring clamp connecting female plug 8 is arranged at the bottom of the measuring clamp shell 1.3, a clamp head is arranged at the front end of the measuring clamp shell 1.3, the clamp head is openable and closable and comprises a first clamp body 1.1 fixed at the front end of the measuring clamp shell 1.3 and a second clamp body 1.2 hinged at the front end of the measuring clamp shell 1.3, an iron core 1.4 and a coil 1.5 are arranged in the measuring clamp shell 1.3, the end parts of the first clamp body 1.1 and the second clamp body 1.2 are respectively electrically connected with two ends of the iron core 1.4, the coil 1.5 is wound on the iron core 1.4, the iron core 1.4 is a ferrite iron core, two terminals of the coil 1.5 are electrically connected with the measuring clamp connecting female plug 8, the first clamp body 1.1 and the second clamp body 1.2 enclose a clamp mouth, the diameter of the clamp mouth is circular, the diameter of the clamp mouth is 10-15mm, and the diameter of a measurable lead is 1-5 mm; the measuring clamp 1 is a large-caliber measuring clamp and can measure a lead with the diameter of 1-25 mm.

The working principle of the embodiment is as follows: a plurality of measuring pincers 1 share an ammeter body 2, select suitable measuring pincers 1, connect data wire 3 and insert respectively through the first public plug 4 and the second public plug 7 at both ends and establish on ammeter body coupling female plug 5 and measuring pincers connect female plug 8, accomplish whole installations promptly, measuring pincers 1 cover is established on the wire that awaits measuring, and display screen 6 shows the measurement numerical value.

Example two

As shown in fig. 2, 3, 4, 5, 6, 7, and 8, the difference from the first embodiment is that the data connection device includes a third male plug 9 and a fourth male plug 10 that are integrally formed and arranged opposite to each other, a first connection plate 11 is integrally formed on an outer wall of a connection portion of the third male plug 9 and the fourth male plug 10, the first connection plate 11 is perpendicular to an axis of the third male plug 9, a second connection plate 12 is vertically connected to an upper end of the first connection plate 11, connection screws a13 and a connection screw B14 are respectively arranged at bottoms of the first connection plate 11 and the second connection plate 12, a bolt hole a15 that is matched with the connection screw a13 is arranged on an end surface of the ammeter body 2, and a bolt hole B16 that is matched with the connection screw B14 is arranged on an upper surface of the measuring forceps 1; the measuring clamp shell 1.3 and the ammeter shell 2.1 can be made of hard rubber materials, so that the measuring clamp has the advantages of high rigidity, toughness, impact resistance, difficulty in breaking, capability of being repeatedly opened and closed, and light weight; through holes for mounting the connecting screws A13 and the connecting screws B14 on the first connecting plate 11 and the second connecting plate 12 are counter bores.

The working principle of the embodiment is as follows: a plurality of measuring pincers 1 share an ampere meter body 2, select suitable measuring pincers 1, the third public plug 9 is pegged graft on ampere meter body coupling female 5, utilize connecting screw A13 to fix connecting plate 11 on ampere meter body 2 simultaneously, then the fourth public plug 10 is pegged graft on measuring pincers coupling female 8, and utilize connecting screw B14 to fix connecting plate two 12 and measuring pincers 1, accomplish whole installations promptly, measuring pincers 1 cover is established on the wire that awaits measuring, display screen 6 shows the measurement numerical value.

Interpretation of related terms: defect elimination is the meaning of eliminating defects, and it is also a term of the power industry, and is a process of restoring abnormal, defective devices to normal.

The basic principles, main features and advantages of the present invention have been shown and described above. In this embodiment, the present invention is a modification of the prior art, and the related computer program belongs to a simple program that can be easily implemented by those skilled in the art using the existing computer program development platform and well-known programming method. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A novel clip-on ammeter which is characterized in that: the measuring clamp comprises replaceable measuring clamps (1), an ammeter body (2) and a data connecting device, wherein one end of the data connecting device is detachably installed on the measuring clamps (1), the other end of the data connecting device is detachably installed on the ammeter body (2), and the measuring clamps (1) are small-caliber measuring clamps or large-caliber measuring clamps.

2. The novel clamp-on ammeter as defined in claim 1, wherein: the data connection device comprises a connection data wire (3), at least one ammeter body connection female plug (5) is arranged on the right end face of the ammeter body (2), a first male plug (4) which can be plugged and unplugged is arranged on the ammeter body connection female plug (5), the first male plug (4) is connected with the connection data wire (3), one end, far away from the first male plug (4), of the connection data wire (3) is provided with a second male plug (7), the bottom of the measuring clamp (1) is provided with a measuring clamp connection female plug (8), and the measuring clamp connection female plug (8) is plugged and unplugged with the second male plug (7).

3. The novel clamp-on ammeter as defined in claim 2, wherein: the connection data wire (3) is a flexible wire, a wire metal wire is arranged inside the wire, and an elastic outer skin is coated outside the wire.

4. The novel clamp-on ammeter as defined in claim 3 wherein: the ammeter body (2) comprises an ammeter shell (2.1), the front surface of the ammeter shell (2.1) is provided with a display screen (6), at least one ammeter body connecting female plug (5) is arranged on the right end face of the ammeter shell (2.1), a control circuit is arranged in the ammeter shell (2.1), the input end of the control circuit is electrically connected with the measuring clamp (1), the output end of the control circuit is electrically connected with the display screen (6), the control circuit comprises a current-voltage conversion circuit (2.2) electrically connected with a current meter body connecting mother plug (5), the output end of the current-voltage conversion circuit (2.2) is connected with a correction circuit (2.3), the output end of the correction circuit (2.3) is connected with an analog signal conversion circuit (2.4), the output end of the analog signal conversion circuit (2.4) is electrically connected with the display screen (6).

5. The novel clamp-on ammeter as defined in claim 4, wherein: the measuring clamp (1) is a small-caliber measuring clamp and comprises a measuring clamp shell (1.3), a measuring clamp connecting female plug (8) is arranged at the bottom of the measuring clamp shell (1.3), a clamp head is arranged at the front end of the measuring clamp shell (1.3), the clamp head is openable and closable and comprises a first clamp body (1.1) fixed at the front end of the measuring clamp shell (1.3) and a second clamp body (1.2) hinged at the front end of the measuring clamp shell (1.3), an iron core (1.4) and a coil (1.5) are arranged in the measuring clamp shell (1.3), the end parts of the first clamp body (1.1) and the second clamp body (1.2) are respectively electrically connected with the two ends of the iron core (1.4), the coil (1.5) is wound on the iron core (1.4), the iron core (1.4) is a ferrite core, the two ends of the coil (1.5) are electrically connected with the measuring clamp connecting female plug (8), and the first clamp body (1.2) and the second clamp body (1.2) are combined to form a jaw, the jaw is circular, the diameter is 10-15mm, and wires with the diameter of 1-5mm can be measured.

6. The novel clamp-on ammeter as defined in claim 1, wherein: the measuring clamp (1) is a large-caliber measuring clamp and can measure a lead with the diameter of 1-25 mm.

7. The novel clamp-on ammeter as defined in claim 2, wherein: the data connection device comprises a third male plug (9) and a fourth male plug (10) which are integrally formed and arranged in a back-to-back mode, a first connecting plate (11) is integrally formed on the outer wall of the joint of the third male plug (9) and the fourth male plug (10), the first connecting plate (11) is perpendicular to the axis of the third male plug (9), a second connecting plate (12) is perpendicularly connected to the upper end of the first connecting plate (11), connecting screws A (13) and connecting screws B (14) are respectively arranged at the bottoms of the first connecting plate (11) and the second connecting plate (12), a bolt hole A (15) matched with the connecting screws A (13) is formed in the end face of the ammeter body (2), and a bolt hole B (16) matched with the connecting screws B (14) is formed in the upper surface of the measuring clamp (1).

8. The novel clamp-on ammeter as defined in claim 5, wherein: the measuring clamp shell (1.3) and the ammeter shell (2.1) can be made of hard rubber materials, so that the measuring clamp has the advantages of high rigidity, toughness, impact resistance, difficulty in breaking, capability of being repeatedly opened and closed, and light weight.

9. The novel clamp-on ammeter as defined in claim 7, wherein: through holes for mounting the connecting screws A (13) and the connecting screws B (14) on the first connecting plate (11) and the second connecting plate (12) are counter bores.