CN223461695U - A testing device for current transformer - Google Patents
A testing device for current transformerInfo
- Publication number
- CN223461695U CN223461695U CN202422467572.2U CN202422467572U CN223461695U CN 223461695 U CN223461695 U CN 223461695U CN 202422467572 U CN202422467572 U CN 202422467572U CN 223461695 U CN223461695 U CN 223461695U
- Authority
- CN
- China
- Prior art keywords
- seat
- machine table
- current transformer
- ammeter
- transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses a testing device of a current transformer, which comprises a machine table and a detection mechanism, wherein the top of the machine table is provided with the detection mechanism, the detection mechanism comprises an ammeter, a connecting seat, an electric jack, a sliding chute, a sliding block, an electric wire, a fixed seat, an inserting rod and a butt joint hole, one side of the top of the machine table is provided with the ammeter and the ammeter which are connected with the internal circuit of the machine table, one side of the top of the machine table is provided with the connecting seat, one side of the surface of the connecting seat is provided with the electric jack, when the transformer is tested, the insulating seat is pulled outwards, the transformer is slid to a proper position, the insulating seat is loosened after the transformer is aligned, the butt joint hole at the end part of the inserting rod is respectively in butt joint with the S1 and S2 wiring ends of the transformer, at the moment, the end part of the electric wire penetrates through the transformer and is in butt joint with the electric jack in the connecting seat, the combination of a testing circuit can be completed, the testing can be performed by opening a control switch to connect the circuit, the testing can be performed without wiring and wire dismantling operation, and testing efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of current transformer testing, in particular to a testing device of a current transformer.
Background
The current transformer is an instrument for converting primary side large current into secondary side small current to measure according to an electromagnetic induction principle, the current in the lines of power generation, transformation, power transmission, power distribution and power consumption is quite different in magnitude and is from a few amperes to tens of thousands amperes, the current needs to be converted into relatively uniform current for measurement, protection and control, in addition, the voltage on the other lines is generally relatively high, such as direct measurement is very dangerous, the current transformer plays roles in current conversion and electrical isolation, the application is quite wide, and the current transformer is required to be tested before delivery due to the fact that the current transformer is applied to a circuit system, and the use effect is ensured.
The existing current transformer has the following defects that when the current transformer is tested in a factory, the surface of the current transformer to be tested is required to be connected with a circuit, then an electric wire is introduced and matched with an ammeter to detect, the current transformer is required to be connected in a wiring mode during detection operation, the operation is complex, the detection efficiency is low, and therefore, the current transformer testing device is provided.
Disclosure of utility model
The utility model mainly aims to provide a testing device for a current transformer, which can conveniently test the current transformer through a detection mechanism arranged at the top of a machine table, greatly improve the detection efficiency and effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a testing arrangement of current transformer, includes the board, still includes detection mechanism, the board top is provided with detection mechanism, detection mechanism includes ampere meter, ammeter, connecting seat, electric jack, spout, slider, electric wire, fixing base, inserted bar and butt joint hole, ampere meter and ammeter of connecting the inside circuit of board are installed to board top one side, electric jack has been seted up on board top one side and connecting seat surface one side, the spout has been seted up and has the slider through spout sliding connection on board surface, slider end mounting has the electric wire that corresponds with the connecting seat, board top is close to spout end one side and is provided with the fixing base, the butt joint hole that corresponds with current transformer wiring end position has been seted up in inside grafting of fixing base.
The mounting groove structure on the surface of the machine is used for inserting the current transformer to be tested, the screw can be screwed along the screw hole before testing operation, the screw rod drives the position of the clamp seat to adjust the distance between the surface of the machine and the inner wall of the mounting groove, the distance is exactly the same as the width specification of the transformer to be tested, the terminal of the sensor to be tested is inserted into the mounting groove horizontally, the position of the terminal of the sensor to be tested is adjusted by sliding the roller structure to enable the terminal to be aligned with the fixing seat, and the flexibility of the testing operation is improved.
Furthermore, a control switch is arranged in the slider, the control end of the control switch extends to the outside of the slider, the power supply end of the electric wire is connected with the control switch, and the power supply end of the circuit can be controlled to be opened and closed through the control switch structure.
Furthermore, a spring is arranged on one side, facing the sliding groove, of the surface of the fixing seat, an insulating seat is movably connected to the fixing seat through the spring, the end parts of the inserting rods are connected with the insulating seat, the inserting rod structure can be stretched and adjusted through the insulating seat, the insulating seat is pulled before the transformer slides in to drive the inserting rods to shift, the insulating seat is loosened after the transformer is installed in place, and the butt joint holes of the end parts of the inserting rods are inserted into the peripheries of the wiring terminals of the transformer by means of spring force.
Further, one end of the screw close to the clamping seat is provided with a connecting ring positioned in the clamping seat, one end of the screw far away from the connecting ring extends to the outside of the machine, and when the screw is screwed, the screw can drive the connecting ring to rotate, so that the horizontal movement of the screw drives the clamping seat to horizontally move.
Compared with the prior art, the electric wire testing device has the advantages that the electric meter and the ammeter are arranged on the surface of the machine, the circuit connected with the inserted link through the ammeter is arranged on the live wire terminal of the ammeter, the circuit connected with the power supply end of the electric wire is also arranged on the live wire grounding end of the ammeter, the inserted link on the other side in the fixing seat and the terminal of the connecting seat are connected with the zero line terminal of the ammeter through the ammeter, when the transformer is tested, the insulating seat is pulled outwards, the transformer is slid to a proper position, the insulating seat is loosened after the transformer is aligned in place, the abutting holes at the end of the inserted link are respectively abutted with the S1 and S2 terminals of the transformer, at the moment, the sliding block enables the end of the electric wire to penetrate through the inside of the transformer and be abutted with the power receiving jack in the inside of the connecting seat, the circuit testing can be completed, the control switch is opened to connect the circuit, the circuit can be connected through the ammeter and the test data of the transformer can be observed and compared, after the test is completed, the sliding block is removed, the insulating seat is pulled outwards, the transformer is removed, the wire disassembling operation is not needed, the testing efficiency is greatly improved, the mounting groove structure of the surface of the machine is used for inserting the transformer into the proper position, the transformer to be tested, the screw is arranged in the same size, the screw is adjusted, the screw is aligned with the inner diameter of the screw is adjusted, and the screw is aligned with the inner diameter of the sensor is adjusted, and the screw is adjusted to be aligned with the inner diameter of the same, and the sensor is matched with the inner diameter of the sensor, and the sensor is matched with the sensor, and the distance is adjusted, and the distance of the distance is matched with the distance with the sensor is measured.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a testing device of a current transformer according to the present utility model.
Fig. 2 is a schematic top plan view of a machine table of a testing device for a current transformer according to the present utility model.
Fig. 3 is a schematic view of a surface structure of a fixing seat of a testing device of a current transformer according to the present utility model.
Fig. 4 is a schematic diagram of an internal structure of a mounting groove of a testing device of a current transformer according to the present utility model.
The device comprises a machine table 1, a machine table 2, a detection mechanism 201, an ammeter 202, an ammeter 203, a connecting seat 204, a power connection jack 205, a sliding groove 206, a sliding block 207, an electric wire 208, a control switch 209, a fixed seat 210, a spring 211, an insulating seat 212, a plug rod 213, a butt joint hole 3, a mounting mechanism 301, a mounting groove 302, a screw hole 303, a screw rod 304, a clamping seat 305, a connecting ring 306 and a roller.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a testing device for a current transformer, including a machine 1, still include detection mechanism 2, machine 1 top is provided with detection mechanism 2, detection mechanism 2 includes ampere meter 201, ammeter 202, connecting seat 203, connects electric jack 204, spout 205, slider 206, electric wire 207, fixing base 209, inserted bar 212 and butt joint hole 213, ampere meter 201 and ammeter 202 of connecting machine 1 internal circuit are installed to machine 1 top one side, connecting seat 203 and connecting seat 203 surface one side have been seted up and connect electric jack 204 are provided with to machine 1 top one side, spout 205 has been seted up on machine 1 surface and has slider 206 through spout 205 sliding connection, slider 206 tip installs the electric wire 207 that corresponds with connecting seat 203 position, machine 1 top is close to spout 205 tip one side and is provided with the fixing base 209, the inside grafting of fixing base 209 has inserted bar 212 and inserted bar 212 tip has been seted up and has been corresponded butt joint hole 213 with current transformer position.
The device comprises a machine table 1, and is characterized by further comprising a mounting mechanism 3, wherein the mounting mechanism 3 is arranged inside the machine table 1, the mounting mechanism 3 comprises a mounting groove 301, a screw hole 302, a screw rod 303, a clamping seat 304 and a roller 306, the mounting groove 301 for inserting a current transformer to be tested is formed in the position, between the connecting seat 203 and the fixed seat 209, of the surface of the machine table 1, the screw hole 302 is formed in the side, close to the connecting seat 203, of the machine table 1, the screw rod 303 is screwed and connected with the screw rod 303 through the screw hole 302, the clamping seat 304 positioned in the mounting groove 301 is mounted at the end of the screw rod 303, the roller 306 is embedded in the surface of the clamping seat 304 and one side of the inner wall of the mounting groove 301, the mounting groove 301 is structurally used for inserting the current transformer to be tested, before testing, the screw rod 303 can be screwed along the screw hole 302, the screw rod 303 drives the position of the clamping seat 304 to adjust the distance between the surface of the mounting groove 301, so that the distance is exactly the same as the width specification of the transformer to be tested, the wiring terminal of the sensor to be tested faces one side of the fixed seat 209 and is horizontally inserted into the mounting groove 301, and the roller 306 is slidingly adjusted by utilizing the roller 306 structure to slide, so that the testing flexibility of the current transformer to be aligned with the fixed seat 209 can be detected, and the current transformer can be used for testing and different specifications.
The control switch 208 is installed inside the sliding block 206, the control end of the control switch 208 extends to the outside of the sliding block 206, the power supply end of the electric wire 207 is connected with the control switch 208, a spring 210 is installed on one side of the surface of the fixing seat 209 facing the sliding groove 205, the fixing seat 209 is movably connected with an insulating seat 211 through the spring 210, the end parts of the inserting rods 212 are connected with the insulating seat 211, the power supply end of a circuit can be controlled to be opened and closed through the structure of the control switch 208, the structure of the inserting rods 212 can be stretched and adjusted through the insulating seat 211, the insulating seat 211 is pulled before the transformer slides in to drive the inserting rods 212 to shift, the insulating seat 211 is released after the transformer is installed in place, and the butt joint holes 213 at the end parts of the inserting rods 212 are inserted into the peripheries of the terminals of the transformer by utilizing the elasticity of the spring 210.
Wherein, a connecting ring 305 positioned in the clamping seat 304 is installed at one end of the screw 303 close to the clamping seat 304, one end of the screw 303 far away from the connecting ring 305 extends to the outside of the machine 1, and when the screw 303 is screwed, the screw 303 drives the connecting ring 305 to rotate, so that the horizontal movement of the screw 303 drives the clamping seat 304 to horizontally move.
It should be noted that, in the use of the testing device of the current transformer, the surface of the machine 1 is provided with the ammeter 202 and the ammeter 201, the live wire terminal of the ammeter 202 is provided with a circuit connected with the inserted link 212 through the ammeter 201, meanwhile, the live wire grounding end of the ammeter 202 is also provided with a circuit connected with the power supply end of the electric wire 207, the inserted link 212 on the other side inside the fixing seat 209 and the terminal of the connecting seat 203 are connected with the zero line terminal of the ammeter 202 through the ammeter 201, when the testing of the transformer is performed, the insulating seat 211 is pulled outwards, the transformer is slid to a proper position, the insulating seat 211 is released after the mutual inductor is aligned in place, the butt joint holes 213 at the end part of the inserted link 212 are respectively in butt joint with the S1 and S2 terminals of the transformer, at the moment, the end part of the electric wire 207 penetrates through the inside of the transformer and is in butt joint with the electric jack 204 inside the connecting seat 203 by the sliding slide block 206, the combination of the testing circuit can be completed, the control switch 208 is opened, the circuit is connected, the testing data of the transformer can be observed and compared by the ammeter 202 and the ammeter 201, after the testing is completed, the circuit is only required to be disconnected, the slider 206 is removed and the insulating seat 211 is pulled outwards, the testing work is not required to be removed greatly, and the wiring efficiency is greatly removed; the mounting groove 301 on the surface of the machine 1 is used for inserting the current transformer to be tested, before testing, the screw 303 can be screwed along the screw hole 302, the screw 303 drives the position of the clamping seat 304 to be adjusted so as to adjust the distance between the surface of the clamping seat 304 and the inner wall of the mounting groove 301, so that the distance between the clamping seat and the width of the transformer to be tested is exactly the same as the specification of the width of the transformer to be tested, at the moment, the wiring end of the sensor to be tested faces one side of the fixed seat 209 and is horizontally inserted into the mounting groove 301, the position of the wiring end is adjusted by sliding through the roller 306 structure, the wiring end is aligned with the fixed seat 209, the flexibility of detection operation is improved, and the method is suitable for current transformers with different specifications.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The testing device of the current transformer comprises a machine table (1) and is characterized by also comprising a detection mechanism (2), the top of the machine table (1) is provided with a detection mechanism (2), the detection mechanism (2) comprises an ammeter (201), an ammeter (202), a connecting seat (203), a power connection jack (204), a chute (205), a sliding block (206), an electric wire (207), a fixing seat (209), a plug rod (212) and a butt joint hole (213), an ammeter (201) and an ammeter (202) which are connected with the internal circuit of the machine table (1) are arranged on one side of the top of the machine table (1), a connecting seat (203) is arranged on one side of the top of the machine table (1), an electric jack (204) is arranged on one side of the surface of the connecting seat (203), a sliding groove (205) is arranged on the surface of the machine table (1) and is connected with a sliding block (206) in a sliding way through the sliding groove (205), an electric wire (207) corresponding to the position of the connecting seat (203) is arranged at the end part of the sliding block (206), a fixed seat (209) is arranged on one side of the top of the machine table (1) close to the end part of the chute (205), the inside of fixing base (209) is pegged graft and is had inserted bar (212) and inserted bar (212) tip is offered butt joint hole (213) that correspond with current transformer wiring end position.
2. The testing device of the current transformer according to claim 1, further comprising a mounting mechanism (3), wherein the mounting mechanism (3) is arranged inside the machine table (1), the mounting mechanism (3) comprises a mounting groove (301), a screw hole (302), a screw rod (303), a clamping seat (304) and a roller (306), the mounting groove (301) for inserting the current transformer to be tested is formed in the position, between the connecting seat (203) and the fixing seat (209), of the surface of the machine table (1), the screw hole (302) is formed in one side, close to the connecting seat (203), of the interior of the machine table (1), the screw rod (303) is connected through the screw hole (302) in a screwed mode, the clamping seat (304) positioned inside the mounting groove (301) is mounted at the end portion of the screw rod (303), and the roller (306) is embedded in the surface of the clamping seat (304) and one side of the inner wall of the mounting groove (301).
3. A testing device of a current transformer according to claim 1, wherein a control switch (208) is installed inside the slider (206), a control end of the control switch (208) extends to the outside of the slider (206), and a power supply end of the wire (207) is connected with the control switch (208).
4. The testing device of the current transformer of claim 1, wherein a spring (210) is arranged on one side, facing the sliding groove (205), of the surface of the fixing seat (209), the fixing seat (209) is movably connected with an insulating seat (211) through the spring (210), and the end parts of the inserting rods (212) are connected with the insulating seat (211).
5. The testing device of the current transformer according to claim 2, wherein a connecting ring (305) located inside the clamping seat (304) is installed at one end of the screw rod (303) close to the clamping seat (304), and one end of the screw rod (303) far away from the connecting ring (305) extends to the outside of the machine (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422467572.2U CN223461695U (en) | 2024-10-12 | 2024-10-12 | A testing device for current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422467572.2U CN223461695U (en) | 2024-10-12 | 2024-10-12 | A testing device for current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223461695U true CN223461695U (en) | 2025-10-21 |
Family
ID=97357398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422467572.2U Active CN223461695U (en) | 2024-10-12 | 2024-10-12 | A testing device for current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223461695U (en) |
-
2024
- 2024-10-12 CN CN202422467572.2U patent/CN223461695U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109116119A (en) | A kind of loop resistance test macro under double ground states | |
| CN117741545A (en) | Production detection device for current transformer of power grid accessory | |
| CN223461695U (en) | A testing device for current transformer | |
| CN204827765U (en) | Ignition coil open circuit test platform | |
| CN104614604A (en) | 10kV cable fault simulation device and fault simulation method | |
| CN105866667A (en) | Loop resistance test method for two-terminal-grounding circuit breaker | |
| CN209911502U (en) | VD4 medium voltage switch comprehensive test platform | |
| CN205450243U (en) | Fault indicator coil tester | |
| CN208953622U (en) | Storage battery charger detection device | |
| CN203216999U (en) | Capacitive equipment dielectric loss live line measurement sampling device | |
| CN111929477A (en) | Aviation plug's switching on-line measuring interface arrangement | |
| CN116819283A (en) | Equipment and method for detecting abnormal electricity consumption | |
| CN113391129B (en) | Test method for dielectric loss factor of valve-side bushing and winding of converter transformer | |
| CN204332204U (en) | A kind of 10kV cable fault simulation device | |
| CN102305921B (en) | Secondary line pressing mechanism used for preventive tests | |
| CN220289680U (en) | A secondary circuit line checking tool | |
| CN207096431U (en) | One kind is applied to electric energy meter automatic assembly line pressure-resistant apparatus | |
| CN113311375B (en) | Quick switching test device for current transformer | |
| CN106772190A (en) | The test comparison method and device of electronic type voltage transformer under the conditions of a kind of VFTO | |
| CN219574247U (en) | An Anti-interference Dielectric Loss Test Equipment | |
| CN202210148U (en) | Secondary wire pressing mechanism used for preventive test | |
| CN224095991U (en) | A wire testing device with stable contact | |
| CN2773700Y (en) | Transformer experimental apparatus | |
| CN216560850U (en) | Mineral insulated cable voltage-withstanding detection device | |
| CN205375935U (en) | Physics electronic circuit experiment learning aid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |