CN220253017U - Flexible wire input type voltage transformer - Google Patents
Flexible wire input type voltage transformer Download PDFInfo
- Publication number
- CN220253017U CN220253017U CN202322191472.7U CN202322191472U CN220253017U CN 220253017 U CN220253017 U CN 220253017U CN 202322191472 U CN202322191472 U CN 202322191472U CN 220253017 U CN220253017 U CN 220253017U
- Authority
- CN
- China
- Prior art keywords
- wire
- voltage transformer
- framework
- cord
- flexible wire
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims abstract description 3
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 210000003298 dental enamel Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The application relates to the technical field of power electronic equipment, in particular to a flexible wire input type voltage transformer. The voltage transformer includes: the electric wire winding device comprises a shell, a framework, a flexible wire, an enameled wire and an iron core, wherein the framework is arranged in the shell, a first through hole is formed in the shell, a wire clamping groove, a first conductive piece and a second conductive piece are formed in the whole body of the framework, one end of the flexible wire is fixed on the framework through the wire clamping groove, and the other end of the flexible wire penetrates through the first through hole and is connected with external voltage equipment to be tested; the enameled wire is wound on the whole body of the framework, one end of the enameled wire and one end of the flexible wire penetrating through the wire clamping groove are electrically connected with the first conductive piece, and the other end of the enameled wire is electrically connected with the second conductive piece; the skeleton is provided with the second through-hole that runs through, the iron core passes the second through-hole. According to the voltage transformer, one side of the voltage transformer is replaced by the flexible wire, so that the voltage transformer is connected with the equipment to be tested more conveniently.
Description
Technical Field
The utility model relates to the technical field of power electronic equipment, in particular to a flexible wire input type voltage transformer.
Background
With the technical development of various industries, especially the rapid development of the power industry, the measurement of electric quantity in an electric power system is an indispensable loop in the electric power system, wherein the measurement of electric quantity is divided into voltage measurement and current measurement.
In the related art, the measurement method of the voltage transformer is complex, if the condition of measuring the voltage of the external equipment is met, the voltage is connected to the voltage transformer by a flexible wire to be measured, and in addition, an additional intermediate terminal is added for matching installation, so that the operation is very complex.
Based on the above, the present utility model provides a flexible wire input type voltage transformer to solve the above technical problems.
Disclosure of Invention
In order to solve the problem that the operation is complex when the voltage transformer measures voltage in the related art, the embodiment of the utility model provides a flexible wire input type voltage transformer.
The application provides a patchcord input type voltage transformer, its characterized in that includes: the electric wire winding device comprises a shell, a framework, a flexible wire, an enameled wire and an iron core, wherein the framework is arranged in the shell, a first through hole is formed in the shell, a wire clamping groove, a first conductive piece and a second conductive piece are formed in the whole body of the framework, one end of the flexible wire is fixed on the framework through the wire clamping groove, and the other end of the flexible wire penetrates through the first through hole and is connected with external voltage equipment to be tested;
the enameled wire is wound on the whole body of the framework, one end of the enameled wire and one end of the flexible wire penetrating through the wire clamping groove are electrically connected with the first conductive piece, and the other end of the enameled wire is electrically connected with the second conductive piece;
the skeleton is provided with the second through-hole that runs through, the iron core passes the second through-hole.
Preferably, the skeleton is provided with a groove around the skeleton, and the groove is used for penetrating through the enameled wire, so that the enameled wire is electrically connected with the first conductive piece and the second conductive piece respectively.
Preferably, the section of the flexible wire is 0.35mm 2 A polytetrafluoroethylene wire having an outer diameter of 1.2 mm.
Preferably, the diameter of the notch of the wire clamping groove is set to be 1.1mm.
Preferably, a heat-shrinkable sleeve is arranged at the root of the connection end of the flexible wire and the wire clamping groove, and the heat-shrinkable sleeve is used for fixing the flexible wire.
Preferably, the heat shrink is 1.5mm in size.
Preferably, the interior of the housing is filled with an epoxy resin for protecting the voltage transformer.
The embodiment of the utility model provides a voltage transformer, which realizes that the primary side end of the voltage transformer inputs voltage through a flexible wire, simplifies the connection mode of the voltage transformer and voltage equipment to be tested, enables the primary side to be directly connected with the voltage equipment to be tested through the flexible wire, does not need to install an additional intermediate terminal, and is simpler and more convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a cord-input voltage transformer according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of a housing provided in accordance with an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a skeleton comprising a cord and a wire, according to one embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a skeleton of a flexible wire input type voltage transformer according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a core of a cord-input voltage transformer according to an embodiment of the present utility model;
fig. 6 is a finished view of a flexible wire input type voltage transformer according to an embodiment of the present utility model;
fig. 7 is a package diagram of a flexible wire input type voltage transformer according to an embodiment of the present utility model.
Reference numerals:
1-a housing;
11-a first through hole;
2-skeletons;
21-a wire clamping groove;
22-a first conductive member;
23-a second conductive member;
24-groove;
25-a second through hole;
3-flexible wires;
31-heat-shrinkable sleeve;
4-enamelled wire;
5-iron core;
6-epoxy resin;
the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In the description of the present application, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, it should be understood that the terms "upper," "lower," and the like in the embodiments of the present application are described in terms of angles shown in the accompanying drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
As shown in fig. 1, it is an exploded view of the cord input type voltage transformer provided in the present application, and the voltage transformer includes a housing 1, a skeleton 2, a cord 3, an enamel wire 4 and an iron core 5, wherein the skeleton 2 is disposed inside the housing 1. The primary side end of the voltage transformer is input with voltage through the flexible wire, the connection mode of the voltage transformer and the voltage equipment to be tested is simplified, the primary side can be directly connected with the voltage equipment to be tested through the flexible wire, an additional intermediate terminal is not required to be installed, and the operation is simpler and more convenient.
As shown in fig. 2, the housing 1 is provided with a first through hole 11, for example, the first through hole 11 may be disposed at the top of the housing 1, or may be disposed at a side of the housing 1, and in this application, the first through hole is preferably disposed at a side of the housing 1.
As shown in fig. 3 and 4, the whole body of the skeleton 2 is provided with a wire clamping groove 21, a first conductive member 22, a second conductive member 23 and a groove 24, one end of the flexible wire 3 is fixed on the skeleton 2 through the wire clamping groove 21, and the other end passes through the first through hole to be connected with external voltage equipment to be tested. The enameled wire 4 is wound on the circumference of the framework 2, one end of the enameled wire 4 and one end of the flexible wire 3 penetrating through the wire clamping groove are electrically connected with the first conductive piece 22, and the other end of the enameled wire 4 is electrically connected with the second conductive piece 23. The frame 2 is provided with a second through hole 25 therethrough, and the iron core 5 is mounted on the frame 2 through the second through hole.
Further, in order to facilitate connection of the enamel wire with the first conductive member 22 and the second conductive member 23, to make the voltage transformer more attractive, an embodiment may be to provide a through hole for passing through the enamel wire 4 around the backbone 2, and another embodiment may be (see fig. 4), provided with a groove 24 around the backbone 2, where the groove 24 is used to pass through the enamel wire 4, so that the enamel wire 4 is electrically connected with the first conductive member 22 and the second conductive member 23, respectively.
Further, in order to allow the cord 3 to be firmly mounted on the frame 2, the cord 3 herein is used with a size of 0.35mm 2 The outer diameter of the flexible wire 3 is 1.2mm, the notch of the wire clamping groove 21 is 1.1mm, the flexible wire 3 is just fixed on the wire clamping groove 21 and cannot fall off, the flexible wire 3 is led out of the wire clamping groove 21, the firmness of the flexible wire 3 is improved, and the consistency of the leading-out positions of the two flexible wires 3 is also ensured.
It is worth noting that, the primary side of the traditional voltage transformer depends on the PCB board and the additional intermediate terminal to realize the connection with the voltage equipment to be tested, and the application replaces the original PCB board with the first conductive piece 21 and the flexible wire 3, so that the voltage transformer can be directly connected with the voltage equipment to be tested by a person skilled in the art, and the operation is simpler and more convenient.
As shown in fig. 5 and 6, the root of the cord 3 is further provided with a heat shrinkage bush 31 for tightly combining the cord 3 and the first through hole 11, and the two cores 5 are inserted from both ends of the second through hole 25, respectively, to combine into a complete core.
It will be appreciated that the first through hole 11 has a size of 1.8mm and the heat shrink 31 has a size of 1.5mm, and the heat shrink 31 not only ensures that the cord 3 is not damaged by the housing 1 during installation, but also prevents the encapsulating material from flowing out during subsequent potting of the finished product.
As shown in fig. 7, the interior of the housing 1 is filled with an encapsulating material, which may be any material having an insulating function, and is preferably epoxy resin 6 in this application. After the position of the components mounted in the shell 1 is determined to be exactly free of leaks, the epoxy resin 6 is used for filling and sealing the rest part in the shell 1, and the service life of the voltage transformer can be effectively prolonged through encapsulation.
The following is a preferred embodiment of the voltage transformer provided herein as described above:
the iron core 5 of the voltage transformer adopts 53 silicon steel sheets with the model EI28/Z11-0.3, the primary of the voltage transformer is wound by using 0.04mm enameled wire for 15750 turns, and the secondary of the voltage transformer is wound by using 0.1mm enameled wire for 293 turns. The performance parameters of the voltage transformer are shown in the following table 1:
TABLE 1
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (7)
1. A flexible wire input voltage transformer, comprising: the electric wire winding device comprises a shell (1), a framework (2), a flexible wire (3), enameled wires (4) and an iron core (5), wherein the framework (2) is arranged in the shell (1), a first through hole (11) is formed in the shell (1), a wire clamping groove (21), a first conductive piece (22) and a second conductive piece (23) are formed in the whole body of the framework (2), one end of the flexible wire (3) is fixed on the framework (2) through the wire clamping groove (21), and the other end of the flexible wire penetrates through the first through hole (11) and is connected with external voltage equipment to be tested;
the enameled wire (4) is wound on the whole body of the framework (2), one end of the enameled wire (4) and one end of the flexible wire (3) penetrating through the wire clamping groove are electrically connected with the first conductive piece (22), and the other end of the enameled wire (4) is electrically connected with the second conductive piece (23);
the framework is provided with a second through hole (25) which penetrates through, and the iron core (5) penetrates through the second through hole (25).
2. The cord-input voltage transformer according to claim 1, characterized in that the skeleton (2) is provided with a groove (24) throughout the body, the groove (24) being adapted to pass through the enamelled wire (4) so that the enamelled wire (4) is electrically connected with the first conductive member (22) and the second conductive member (23), respectively.
3. A cord-input voltage transformer as claimed in claim 1, characterized in that the cord (3) has a cross section of 0.35mm 2 A polytetrafluoroethylene wire having an outer diameter of 1.2 mm.
4. A cord-input voltage transformer according to claim 1, characterized in that the notch diameter of the clamping groove (21) is set to 1.1mm.
5. A cord-input voltage transformer according to claim 1, characterized in that the root of the connection end of the cord (3) with the card wire slot (21) is provided with a heat-shrink sleeve (31), the heat-shrink sleeve (31) being used for fixing the cord (3).
6. A cord-input voltage transformer according to claim 5, characterized in that the heat shrink (31) has a size of 1.5mm.
7. A cord-input voltage transformer according to claim 1, characterized in that the interior of the housing (1) is filled with an epoxy resin (6), the epoxy resin (6) being used for protecting the voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322191472.7U CN220253017U (en) | 2023-08-15 | 2023-08-15 | Flexible wire input type voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322191472.7U CN220253017U (en) | 2023-08-15 | 2023-08-15 | Flexible wire input type voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220253017U true CN220253017U (en) | 2023-12-26 |
Family
ID=89269449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322191472.7U Active CN220253017U (en) | 2023-08-15 | 2023-08-15 | Flexible wire input type voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220253017U (en) |
-
2023
- 2023-08-15 CN CN202322191472.7U patent/CN220253017U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220253017U (en) | Flexible wire input type voltage transformer | |
| US2774051A (en) | Electrical unit | |
| US20090189726A1 (en) | Dry-Type Transformer with Improved Terminal Construction and Mounting System Therefor | |
| CN100377476C (en) | Manufacturing method of motor | |
| CN214315009U (en) | U-shaped linear motor of PCB pressed coil | |
| KR102368100B1 (en) | Electrical contact joinning assembly for transformer | |
| CN107991538A (en) | A kind of no-load loss test coil device and no-load loss tester | |
| CN210572435U (en) | Connection structure for reducing contact resistance of electric energy meter | |
| CN201364813Y (en) | Variable transformation ratio current sensor | |
| CN206301683U (en) | A kind of Current Transformer Secondary coil | |
| CN209216751U (en) | A kind of three-phase electricity transformer device | |
| CN112505361B (en) | Magnetic ring test coil shell | |
| CN218214831U (en) | Alloy resistor assembly | |
| CN203366985U (en) | Novel electronic combined transformer | |
| CN218069569U (en) | Trigger transformer | |
| CN206282716U (en) | A kind of Current Transformer Secondary coil | |
| KR100508391B1 (en) | Metering out fit have a current transformer within bushing | |
| CN215599262U (en) | Multifunctional measuring device for measuring alternating-current impedance and iron loss | |
| CN218158089U (en) | Current transformer assembly for detecting unbalanced current and electric appliance | |
| JPS5874026A (en) | Safety transformer with coaxial coil | |
| CN216212778U (en) | Multifunctional mutual inductor | |
| CN212485071U (en) | Combined three-phase integrated current transformer | |
| CN210182598U (en) | Connector capable of reducing contact resistance of electric energy meter and good in conductivity | |
| CN210073598U (en) | Current transformer | |
| CN221040789U (en) | High-precision small-volume current transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |