CN220509812U - Low-voltage current transformer - Google Patents
Low-voltage current transformer Download PDFInfo
- Publication number
- CN220509812U CN220509812U CN202321438939.7U CN202321438939U CN220509812U CN 220509812 U CN220509812 U CN 220509812U CN 202321438939 U CN202321438939 U CN 202321438939U CN 220509812 U CN220509812 U CN 220509812U
- Authority
- CN
- China
- Prior art keywords
- current transformer
- low
- voltage current
- groove
- utility
- 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
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses a low-voltage current transformer, which belongs to the technical field of low-voltage current transformers, and particularly relates to a low-voltage current transformer.
Description
Technical Field
The utility model relates to the technical field of low-voltage current transformers, in particular to a low-voltage current transformer.
Background
The low-voltage current transformer is a device capable of converting high-voltage current into low-voltage current which is easy to control, and has the characteristics of excellent performance and stable precision.
The low-voltage double-winding current transformer can output 5A or 1A for ammeter measurement and can output alternating current 0-20mA small current signals, so that the low-voltage double-winding current transformer can be applied to a telemetry system for direct collection and uploading, and remote measurement of current signals is realized; the low-voltage double-winding current transformer has strong overload capacity, so that the low-voltage double-winding current transformer can be applied to various motor protection loops.
The low-voltage double-winding current transformer is matched with an ARTU-M32 telemetry unit for use, can form a low-cost intelligent low-voltage distribution multi-loop monitoring system, is another efficient and low-cost solution of the low-voltage intelligent distribution system, and is beneficial to further popularization and application of low-voltage intelligent distribution.
The terminals above the current transformer in the prior art are exposed to the outside, and are easily oxidized to cause corrosion of the terminals, so that the terminals are damaged, thereby affecting the service life of the current transformer, and therefore, improvement is needed.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
The present utility model has been made in view of the problems existing in the existing low-voltage current transformers.
Therefore, the utility model aims to provide the low-voltage current transformer, the wiring end above the low-voltage current transformer can be protected through the protective cover, the external environment is prevented from affecting the wiring end to cause corrosion damage of the wiring end, the service life of the low-voltage current transformer is further affected, and compared with the low-voltage current transformer in the prior art, the practicability is greatly improved.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a low voltage current transformer comprising a low voltage current transformer;
be provided with the rotation groove on the low-voltage current transformer, be provided with the connecting block in the rotation groove, be connected with the protection casing on the connecting block, be provided with the hasp on the protection casing, the hasp below is provided with the fixture block, fixture block and draw-in groove joint.
As a preferred embodiment of the present utility model, there is provided a low-voltage current transformer, wherein: the top of the low-voltage current transformer is provided with a wiring terminal.
As a preferred embodiment of the present utility model, there is provided a low-voltage current transformer, wherein: a wire hole is formed in the top of the protective cover, and the wire hole is located right above the wiring end.
As a preferred embodiment of the present utility model, there is provided a low-voltage current transformer, wherein: the clamping groove is internally provided with a bearing groove, a limiting block is connected in the bearing groove in a sliding way, and the limiting block is connected with a spring.
As a preferred embodiment of the present utility model, there is provided a low-voltage current transformer, wherein: the rotary groove is rotationally connected with a connecting block, and the connecting block is fixedly connected with the protective cover.
As a preferred embodiment of the present utility model, there is provided a low-voltage current transformer, wherein: the fixture block is provided with a bulge which is matched with a groove arranged on the limiting block.
Compared with the prior art, the utility model has the beneficial effects that: the wiring end above the low-voltage current transformer can be protected through the protective cover, the external environment is prevented from affecting the wiring end to cause corrosion damage of the wiring end, so that the service life of the low-voltage current transformer is affected, and the practicability is greatly improved compared with that of the low-voltage current transformer in the prior art.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic perspective view of the present utility model;
FIG. 4 is a schematic diagram of a cross-sectional structure of a card slot according to the present utility model.
In the figure; 100 low-voltage current transformer, 110 rotation groove, 120 connecting block, 130 protection casing, 140 line holes, 150 lock catches, 151 fixture blocks, 160 fixture blocks, 161 bearing grooves, 162 limiting blocks and 163 springs.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides the following technical scheme: in the use process of the low-voltage current transformer, the wiring end above the low-voltage current transformer can be protected through the protective cover, the external environment is prevented from affecting the wiring end to cause corrosion damage of the wiring end, the service life of the low-voltage current transformer is further affected, and compared with the low-voltage current transformer in the prior art, the practicability is greatly improved;
fig. 1 to 4 are schematic structural views showing a first embodiment of a low-voltage current transformer according to the present utility model, referring to fig. 1 to 4, a main body portion of the low-voltage current transformer according to the present embodiment includes a low-voltage current transformer;
the low-voltage current transformer 100 is provided with a rotating groove 110, a connecting block 120 is arranged in the rotating groove 110, a protective cover 130 is connected to the connecting block 120, a lock catch 150 is arranged on the protective cover 130, a clamping block 151 is arranged below the lock catch 150, the clamping block 151 is clamped with a clamping groove 160, a wiring terminal 101 is arranged at the top of the low-voltage current transformer 100, a wire hole 140 is formed in the top of the protective cover 130, the wire hole 140 is positioned right above the wiring terminal 101, a bearing groove 161 is arranged in the clamping groove 160, a limiting block 162 is slidably connected in the bearing groove 161, the limiting block 162 is connected with a spring 163, the connecting block 120 is rotationally connected with the protective cover 130, a protrusion is arranged on the clamping block 151 and is matched with a groove arranged on the limiting block 162, the rotating groove 110 is used for bearing the connecting block 120 to rotate, the connecting block 120 is used for being fixedly connected with the protective cover 130, the protective cover 130 is used for protecting the butt joint 101, the wiring terminal 101 is prevented from being damaged due to oxidization corrosion, the wire hole 140 is used for facilitating installation of a connecting wire, the locking catch 150 is used for being matched with the clamping groove 160 to fix the protective cover 130, the clamping block 151 is used for being clamped with the limiting block 162, the bearing groove 162 is used for being matched with the limiting block 162, and the bearing block 162 is used for being matched with the limiting block 151 to be matched with the limiting block 151;
referring to fig. 1-4, the specific working principle of the low-voltage current transformer of the present embodiment is as follows, the terminal 101 above the low-voltage current transformer 100 can be protected by the protective cover 130, so that the external environment is prevented from affecting the terminal 101 and causing corrosion damage to the terminal 101, thereby affecting the service life of the low-voltage current transformer 100, and compared with the low-voltage current transformer 100 in the prior art, the practicability is greatly increased.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A current transformer for low voltage, characterized in that: comprises a low-voltage current transformer (100);
be provided with on low-voltage current transformer (100) and rotate groove (110), be provided with connecting block (120) in rotating groove (110), be connected with protection casing (130) on connecting block (120), be provided with hasp (150) on protection casing (130), hasp (150) below is provided with fixture block (151), fixture block (151) and draw-in groove (160) joint.
2. A current transformer according to claim 1, characterized in that: the top of the low-voltage current transformer (100) is provided with a wiring terminal (101).
3. A current transformer according to claim 1, characterized in that: a wire hole (140) is formed in the top of the protective cover (130), and the wire hole (140) is located right above the wiring terminal (101).
4. A current transformer according to claim 1, characterized in that: the clamping groove (160) is internally provided with a bearing groove (161), a limiting block (162) is connected in a sliding manner in the bearing groove (161), and the limiting block (162) is connected with a spring (163).
5. A current transformer according to claim 1, characterized in that: the rotary groove (110) is rotationally connected with the connecting block (120), and the connecting block (120) is fixedly connected with the protective cover (130).
6. A current transformer according to claim 1, characterized in that: the clamping block (151) is provided with a bulge which is matched with a groove arranged on the limiting block (162).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438939.7U CN220509812U (en) | 2023-06-07 | 2023-06-07 | Low-voltage current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321438939.7U CN220509812U (en) | 2023-06-07 | 2023-06-07 | Low-voltage current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220509812U true CN220509812U (en) | 2024-02-20 |
Family
ID=89881085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321438939.7U Active CN220509812U (en) | 2023-06-07 | 2023-06-07 | Low-voltage current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220509812U (en) |
-
2023
- 2023-06-07 CN CN202321438939.7U patent/CN220509812U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205610355U (en) | Intermediate protects on -line monitoring device based on loRa communication technology | |
| CN106992593A (en) | A kind of casualty power distribution system quickly accessed | |
| CN220509812U (en) | Low-voltage current transformer | |
| CN211295722U (en) | Low-voltage distribution control equipment | |
| CN212569009U (en) | On-site monitoring terminal for power transmission line | |
| CN209418291U (en) | A kind of modularization current-carrying mutual inductor | |
| CN210242857U (en) | Passive temperature and humidity monitoring device applied to tubular bus | |
| CN209928006U (en) | Monitoring system applied to high-voltage fuse | |
| CN207939217U (en) | A kind of CT sensing electricity getting devices with open circuit protecting function | |
| CN2244247Y (en) | Resonance eliminating and anti-earthing voltage mutural inductor | |
| CN101425666B (en) | Common phase sequence common-tower common-window dual loop transmission line | |
| CN209947633U (en) | Current transformer of open-close type installation of generating line | |
| CN112528545A (en) | Finite element simulation method for turn-to-turn short circuit of stator winding of synchronous phase modulator | |
| CN112162171A (en) | Distributed fault diagnosis system for power transmission line | |
| CN112305303A (en) | Three-phase guide rail type multifunctional wireless electric energy metering terminal | |
| CN217640937U (en) | Anti-drop's inductor core subassembly | |
| CN214543430U (en) | Bridge cable protection device for municipal road and bridge engineering | |
| CN219124063U (en) | Permanent magnet motor | |
| CN115425769B (en) | Resonance energy-taking method, system and device for insulating overhead ground wire | |
| CN214154010U (en) | Mounting structure of surge SPD on-line monitoring early warning device | |
| CN212304665U (en) | Bypass drainage clamp | |
| CN215527385U (en) | Oil-immersed transformer convenient to installation wire | |
| CN216820383U (en) | Automatic monitoring substation device for power dispatching | |
| CN112367090B (en) | Anti-electromagnetic interference receiving module | |
| CN107453685A (en) | A kind of energy supplying system of power circuit temperature measuring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |