CN110954851A - Quick checking instrument for reverse connection of inlet and outlet wires of electric energy meter - Google Patents
Quick checking instrument for reverse connection of inlet and outlet wires of electric energy meter Download PDFInfo
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- CN110954851A CN110954851A CN201911282490.8A CN201911282490A CN110954851A CN 110954851 A CN110954851 A CN 110954851A CN 201911282490 A CN201911282490 A CN 201911282490A CN 110954851 A CN110954851 A CN 110954851A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
The invention belongs to the field of quick checking instruments, in particular to a quick checking instrument for preventing the wire of an electric energy meter from being reversely connected, aiming at the problem that the electricity utilization of residents or enterprises is influenced and the use requirement cannot be met due to the fact that the electric workers often have reverse connection due to large workload when power is connected, the invention provides a scheme that the quick checking instrument comprises a checking instrument body, wherein the checking instrument body is of a hollow structure, a mounting seat is arranged at the bottom end of the inner wall of the checking instrument body, a rotating motor is arranged on the mounting seat, the rotating motor is connected with a driven shaft through an output shaft, and a movable through hole is formed in the checking instrument body. And the rotation direction of the indicating ball cannot be discriminated.
Description
Technical Field
The invention relates to the technical field of quick checking instruments, in particular to a quick checking instrument for reversely connecting an inlet wire and an outlet wire of an electric energy meter.
Background
An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and refers to instruments for measuring various electric quantities. When using a power meter, it is noted that the power meter can be directly connected to the circuit for measurement at low voltage (not more than 500 volts) and low current (tens of amperes). Under the condition of high voltage or large current, the electric energy meter cannot be directly connected with a circuit and needs to be matched with a voltage transformer or a current transformer for use. The electric energy meter that uses now generally is mostly electronic type, and the condition that can't normally use electricity appears after electronic type's electric energy meter business turn over line connects conversely, and the electric power workman often can appear connecing the circumstances of turning over owing to the work load is great in the time of connecing the electricity, influences resident or enterprise's power consumption, has not satisfied the demand of using.
Disclosure of Invention
The invention aims to solve the problems that electricity consumption of residents or enterprises is affected and the use requirement cannot be met due to the fact that electric workers often have reverse connection due to large workload during electricity connection, and provides a quick checking instrument for the reverse connection of an inlet wire and an outlet wire of an electric energy meter.
In order to achieve the purpose, the invention adopts the following technical scheme:
the electric energy meter inlet and outlet wire reverse connection rapid checking instrument comprises a checking instrument body, wherein the checking instrument body is of a hollow structure, a mounting seat is arranged at the bottom end of the inner wall of the checking instrument body, a rotating motor is arranged on the mounting seat, the rotating motor is connected with a driven shaft through an output shaft, a movable through hole is formed in the checking instrument body, the driven shaft extends out of the checking instrument body through the movable through hole, the driven shaft is movably arranged in the movable through hole, a connecting rod is connected to one end of the driven shaft, which extends out of the checking instrument body, an indicating ball is connected to one end, away from the driven shaft, of the connecting rod, a rectifier is arranged at the top end of the inner wall of the checking instrument body.
Preferably, a ceramic cylinder is sleeved on the mounting support, a conductive coil is wound on the ceramic cylinder, a conductive piece is sleeved on the conductive coil, a first through hole is formed in the conductive piece, the conductive piece is sleeved on the conductive coil through the first through hole, a movable rod is arranged at the top end of the conductive piece and made of an insulating material, a movable channel is formed in the checking instrument body, the movable rod extends out of the checking instrument body through the movable channel, and the movable rod is movably arranged in the movable channel.
Preferably, a first support is arranged above the mounting support, the first support is arranged on the inner wall of the checking instrument body, the first support is of a hollow structure, a second support is movably arranged in the first support and extends out of the first support, one end of the second support, which extends out of the first support, is arranged on the movable rod, sliding grooves are symmetrically formed in two sides of the inner wall of the first support, sliding blocks are symmetrically arranged on two sides of the second support, and the sliding blocks are movably arranged in the sliding grooves.
Preferably, a second through hole is formed in one side, close to the movable rod, of the first support, the second support extends out of the first support through the second through hole, and the second support is movably arranged in the second through hole.
Preferably, a first wire clamping pliers and a second wire clamping pliers are arranged above the device body, and the first wire clamping pliers and the second wire clamping pliers are respectively connected with a rectifier through wires in a telecommunication mode.
Preferably, the two sides of the top end of the ceramic cylinder are symmetrically provided with positioning blocks, and the conductive coil is wound between the positioning blocks.
Preferably, the positive pole of the rectifier is connected with the conductive coil through a lead, the conductive piece is connected with the positive pole of the rotating electrical machine through a lead, and the negative pole of the rotating electrical machine is connected with the negative pole of the rectifier through a lead.
According to the electric energy meter wire inlet and outlet reverse connection rapid checking instrument, the rotating motor and the rectifier are additionally arranged, the rotating motor can be used for driving the indicating ball to rotate, so that the current reversal can be judged according to the rotating direction of the indicating ball, meanwhile, the movable rod is used for driving the conductive piece to move, the conductive piece moves on the conductive coil, the number of turns of the conductive coil in the access circuit is changed, the current size contacting with the rotating motor is changed, the rotating speed of the rotating motor is changed by changing the current size, and therefore the phenomenon that the rotating direction of the indicating ball cannot be judged due to the fact that the rotating motor rotates too fast is avoided;
the electric energy meter has a reasonable structure, the rotating motor is utilized to drive the indicating ball to rotate, whether the incoming and outgoing lines of the electric energy meter are reversely connected or not can be quickly judged according to the rotating direction of the indicating ball, and meanwhile, the conductive piece is utilized to move on the conductive coil, so that the problem that the rotating direction of the indicating ball cannot be judged due to the fact that the rotating motor rotates too fast due to convenience in use can be avoided.
Drawings
Fig. 1 is a schematic structural diagram of an electric energy meter inlet and outlet wire reverse connection rapid checking instrument provided by the invention;
fig. 2 is a schematic diagram of an internal structure of the electric energy meter reverse connection quick checking instrument;
fig. 3 is a schematic view of a first bracket structure of the electric energy meter reverse connection quick checking instrument.
In the figure: the checking instrument comprises an examining instrument body 1, a mounting seat 2, a rotating motor 3, a driven shaft 4, a movable through hole 5, a connecting rod 6, an indicating ball 7, a rectifier 8, a mounting bracket 9, a porcelain cylinder 10, a conductive coil 11, a conductive piece 12, a first through hole 13, a movable rod 14, a movable channel 15, a first bracket 16, a second bracket 17, a sliding groove 18, a sliding block 19, a first wire clamp 20 and a second wire clamp 21.
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.
Referring to fig. 1-3, anti-quick inspection appearance of electric energy meter business turn over line connection, including examining appearance body 1, it is hollow structure to examine appearance body 1, the inner wall bottom of examining appearance body 1 is equipped with mount pad 2, be equipped with rotating electrical machines 3 on mount pad 2, rotating electrical machines 3 has driven shaft 4 through output shaft, and examine and seted up movable through-hole 5 on the appearance body 1, driven shaft 4 extends to outside examining appearance body 1 through movable through-hole 5, and driven shaft 4 activity is located in movable through-hole 5, driven shaft 4 extends to examining appearance body 1 outer one end and is connected with connecting rod 6, and the one end that driven shaft 4 was kept away from to connecting rod 6 is connected with instruction ball 7, the inner wall top of examining appearance body 1 is equipped with rectifier 8, and the inner wall one side of examining appearance body 1 is.
In the invention, a ceramic cylinder 10 is sleeved on a mounting bracket 9, a conductive coil 11 is wound on the ceramic cylinder 10, a conductive piece 12 is sleeved on the conductive coil 11, a first through hole 13 is formed in the conductive piece 12, the conductive piece 12 is sleeved on the conductive coil 11 through the first through hole 13, a movable rod 14 is arranged at the top end of the conductive piece 12, the movable rod 14 is made of an insulating material, a movable channel 15 is formed in an inspection instrument body 1, the movable rod 14 extends out of the inspection instrument body 1 through the movable channel 15, and the movable rod 14 is movably arranged in the movable channel 15.
According to the invention, a first support 16 is arranged above a mounting support 9, the first support 16 is arranged on the inner wall of an inspection instrument body 1, the first support 16 is of a hollow structure, a second support 17 is movably arranged in the first support 16, the second support 17 extends out of the first support 16, one end of the second support 17 extending out of the first support 16 is arranged on a movable rod 14, sliding grooves 18 are symmetrically formed in two sides of the inner wall of the first support 16, sliding blocks 19 are symmetrically arranged on two sides of the second support 17, and the sliding blocks 19 are movably arranged in the sliding grooves 18.
In the invention, a second through hole is formed in one side, close to the movable rod 14, of the first support 16, the second support 17 extends out of the first support 16 through the second through hole, the second support 17 is movably arranged in the second through hole, a first wire clamping pliers 20 and a second wire clamping pliers 21 are arranged above the device body 1, the first wire clamping pliers 20 and the second wire clamping pliers 21 are respectively and electrically connected with a rectifier 8 through leads, positioning blocks are symmetrically arranged on two sides of the top end of the porcelain cylinder 10, the conductive coil 11 is wound between the positioning blocks, the positive electrode of the rectifier 8 is connected with the conductive coil 11 through a lead, the conductive piece 12 is connected with the positive electrode of the rotating motor 3 through a lead, and the negative electrode of the rotating motor 3 is connected with the negative electrode of the rectifier 8 through a lead.
In the invention, after wiring is finished, a first wire clamping pliers 20 and a second wire clamping pliers 21 are respectively clamped on an incoming and outgoing wire of an electric energy meter, a circuit is connected, a rotating motor 3 rotates, when the rotating is too fast, a movable rod 14 is manually moved, the movable rod 14 drives a second bracket 17 to move in a first bracket 16 to avoid moving deviation, meanwhile, the movable rod 14 drives a conductive piece 12 to move on the conductive coil 11 to change the number of turns of the conductive coil 11 connected into the circuit, so that the current is reduced, the rotating speed of the rotating motor 3 is changed, and the rotating direction of an indicating ball 7 is more intuitively observed, the structure of the invention is reasonable, whether the incoming and outgoing wires of the electric energy meter are reversely connected can be quickly judged according to the rotating direction of the indicating ball 7 by utilizing the rotating motor 3 to move on the conductive coil 11, the convenience in use can be avoided because the rotating motor 3 rotates too fast, and the rotation direction of the indicating ball cannot be discriminated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The electric energy meter wire inlet and outlet reverse connection rapid checking instrument comprises a checking instrument body (1) and is characterized in that the checking instrument body (1) is of a hollow structure, a mounting seat (2) is arranged at the bottom end of the inner wall of the checking instrument body (1), a rotating motor (3) is arranged on the mounting seat (2), the rotating motor (3) is connected with a driven shaft (4) through an output shaft, a movable through hole (5) is formed in the checking instrument body (1), the driven shaft (4) extends out of the checking instrument body (1) through the movable through hole (5), the driven shaft (4) is movably arranged in the movable through hole (5), one end of the driven shaft (4) extending out of the checking instrument body (1) is connected with a connecting rod (6), one end of the connecting rod (6) far away from the driven shaft (4) is connected with an indicating ball (7), and a rectifier (8) is arranged at the top end of the inner wall, and one side of the inner wall of the inspection instrument body (1) is provided with a mounting bracket (9).
2. The electric energy meter wire incoming and outgoing connection reverse connection rapid checking instrument according to claim 1, characterized in that a ceramic cylinder (10) is sleeved on the mounting support (9), a conductive coil (11) is wound on the ceramic cylinder (10), a conductive piece (12) is sleeved on the conductive coil (11), a first through hole (13) is formed in the conductive piece (12), the conductive piece (12) is sleeved on the conductive coil (11) through the first through hole (13), a movable rod (14) is arranged at the top end of the conductive piece (12), the movable rod (14) is made of an insulating material, a movable channel (15) is formed in the checking instrument body (1), the movable rod (14) extends out of the checking instrument body (1) through the movable channel (15), and the movable rod (14) is movably arranged in the movable channel (15).
3. The electric energy meter wire inlet and outlet connection reverse rapid checking instrument according to claim 1 or 2, characterized in that a first support (16) is arranged above the mounting support (9), the first support (16) is arranged on the inner wall of the checking instrument body (1), the first support (16) is of a hollow structure, a second support (17) is movably arranged in the first support (16), the second support (17) extends out of the first support (16), one end of the second support (17) extending out of the first support (16) is arranged on the movable rod (14), sliding grooves (18) are symmetrically formed in two sides of the inner wall of the first support (16), sliding blocks (19) are symmetrically arranged on two sides of the second support (17), and the sliding blocks (19) are movably arranged in the sliding grooves (18).
4. The reverse quick checking instrument for the incoming and outgoing line connection of the electric energy meter according to claim 3, wherein a second through hole is formed in one side of the first support (16) close to the movable rod (14), the second support (17) extends out of the first support (16) through the second through hole, and the second support (17) is movably arranged in the second through hole.
5. The fast checking instrument for the reverse connection of the incoming and outgoing lines of the electric energy meter according to claim 1, characterized in that a first wire clamp (20) and a second wire clamp (21) are arranged above the device body (1), and the first wire clamp (20) and the second wire clamp (21) are respectively connected with a rectifier (8) through wires in a telecommunication way.
6. The fast checking instrument for the reverse connection of the inlet wire and the outlet wire of the electric energy meter according to claim 2, wherein positioning blocks are symmetrically arranged on two sides of the top end of the porcelain cylinder (10), and the conductive coil (11) is wound between the positioning blocks.
7. The electric energy meter inlet and outlet wire connection reverse rapid checking instrument according to claim 1 or 2, characterized in that the positive pole of the rectifier (8) is connected with the conductive coil (11) through a lead, the conductive piece (12) is connected with the positive pole of the rotating electrical machine (3) through a lead, and the negative pole of the rotating electrical machine (3) is connected with the negative pole of the rectifier (8) through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282490.8A CN110954851A (en) | 2019-12-13 | 2019-12-13 | Quick checking instrument for reverse connection of inlet and outlet wires of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282490.8A CN110954851A (en) | 2019-12-13 | 2019-12-13 | Quick checking instrument for reverse connection of inlet and outlet wires of electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110954851A true CN110954851A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911282490.8A Pending CN110954851A (en) | 2019-12-13 | 2019-12-13 | Quick checking instrument for reverse connection of inlet and outlet wires of electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110954851A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098684A (en) * | 2020-09-16 | 2020-12-18 | 国网山东省电力公司招远市供电公司 | Quick checking instrument for reverse connection of inlet and outlet wires of electric energy meter |
-
2019
- 2019-12-13 CN CN201911282490.8A patent/CN110954851A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098684A (en) * | 2020-09-16 | 2020-12-18 | 国网山东省电力公司招远市供电公司 | Quick checking instrument for reverse connection of inlet and outlet wires of electric energy meter |
| CN112098684B (en) * | 2020-09-16 | 2023-07-28 | 国网山东省电力公司招远市供电公司 | Electric energy meter wire inlet and outlet reverse connection rapid checking instrument |
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