CN211529779U - Current transformer with voltage sampling function - Google Patents
Current transformer with voltage sampling function Download PDFInfo
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- CN211529779U CN211529779U CN201922337055.2U CN201922337055U CN211529779U CN 211529779 U CN211529779 U CN 211529779U CN 201922337055 U CN201922337055 U CN 201922337055U CN 211529779 U CN211529779 U CN 211529779U
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Abstract
The utility model discloses a current transformer with voltage sampling function, belonging to the technical field of transformers, comprising a current transformer and a copper bar, wherein the current transformer and the copper bar are mutually vertical, the current transformer and the copper bar form a cross shape, a transformer fixing column is fixed between the current transformer and the copper bar, a voltage signal sampling line is wound on the circumferential surface of the transformer fixing column, the voltage signal sampling line is electrically connected with a voltage signal sampler, a first current signal sampling line and a second current signal sampling line are wound on the circumferential surface of the current transformer, the first current signal sampling line and the second current signal sampling line are bilaterally symmetrical, the first current signal sampling line and the second current signal sampling line are respectively connected with a first current signal sampler and a second current signal sampler, thereby being convenient for realizing the sampling of current and voltage signals, the wiring is simple, the appearance is more beautiful, and troubleshooting is easier.
Description
Technical Field
The utility model relates to a mutual-inductor technical field, more specifically say, relate to a current transformer of subsidiary voltage sampling function.
Background
The transformer is also called as instrument transformer, which is a general name of current transformer and voltage transformer, can change high voltage into low voltage, and large current into small current, and is used for measuring or protecting system, its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current in proportion so as to implement standardization and miniaturization of measuring instrument, protecting equipment and automatic control equipment, and at the same time, the transformer can also be used for separating high voltage system to ensure personal and equipment safety.
The intelligent device is more and more high to distribution equipment's full electric quantity parameter monitoring demand, and the space and other control circuit of equipment need be considered to traditional sampling mode respectively to the circuit of arranging a lot of differences, wiring process, and wiring quantity is many, and the wiring is complicated, influences pleasing to the eye, and the fault point is many, and troubleshooting difficulty, can not realize the sampling of mutual-inductor current and voltage signal simultaneously.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a current transformer of subsidiary voltage sampling function, it is convenient for realize the sampling of electric current and voltage signal, and the wiring is simple, and is more pleasing to the eye, and troubleshooting is easier.
2. Technical scheme
In order to solve the above problem, the utility model adopts the following technical scheme:
a current transformer with a voltage sampling function comprises a current transformer and a copper bar, wherein the current transformer and the copper bar are mutually vertical, the current transformer and the copper bar form a cross shape, a transformer fixing column is fixed between the current transformer and the copper bar, a voltage signal sampling line is wound on the circumferential surface of the transformer fixing column, the voltage signal sampling line is electrically connected with a voltage signal sampler, a first current signal sampling line and a second current signal sampling line are wound on the circumferential surface of the current transformer, the first current signal sampling line and the second current signal sampling line are bilaterally symmetrical, the first current signal sampling line and the second current signal sampling line are respectively connected with the first current signal sampler and the second current signal sampler, the sampling of current and voltage signals is conveniently realized, the wiring is simple and more beautiful, troubleshooting is easier.
As a preferred scheme of the utility model, the one end of first current signal sampling line is connected in the positive pole of first current signal sample thief, and the other end of first current signal sampling line connects in the negative pole of first current signal sample thief, the current signal flow direction of first current signal sampling line is clockwise.
As a preferred scheme of the utility model, the one end of second current signal sampling line is connected in the positive pole of second current signal sample thief, and the other end of second current signal sampling line connects in the negative pole of second current signal sample thief, the current signal flow direction of second current signal sampling line is clockwise.
As a preferred scheme of the utility model, the one end of voltage signal sampling line is connected in the positive pole of voltage signal sample thief, and the other end of voltage signal sampling line connects in the negative pole of voltage signal sample thief, the voltage signal flow direction of voltage signal sampling line is anticlockwise.
As an optimized proposal of the utility model, the mutual inductor fixing column is made of copper.
As an optimized scheme of the utility model, the copper bar is located current transformer's rear side, the mutual-inductor fixed column is fixed in between current transformer's rear end and the front end of copper bar.
As a preferred scheme of the utility model, the hole site has been seted up to current transformer's upper end, the copper bar runs through the hole site, voltage signal sampling line is fixed in between the left inner wall of the left end of copper bar and the hole site.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the scheme is convenient for collecting current signals through the arrangement of the first current signal sampler and the second current signal sampler.
(2) The voltage signal sampler is arranged to facilitate voltage signal collection.
(3) According to the scheme, the arrangement of the first current signal sampling line, the first current signal sampler and the voltage signal sampling line is simple in wiring.
(4) The design of cross form is passed through to this scheme, and is comparatively pleasing to the eye.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a plan view of the present invention in embodiment 1;
fig. 3 is a plan view of embodiment 2 of the present invention.
The reference numbers in the figures illustrate:
the device comprises a current transformer 1, a first current signal sampling line 2, a first current signal sampler 3, a second current signal sampling line 4, a second current signal sampler 5, a copper bar 6, a voltage signal sampler 7, a transformer fixing column 8, a voltage signal sampling line 9 and a hole site 10.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
with reference to fig. 1 and 2, a current transformer with a voltage sampling function comprises a current transformer 1 and a copper bar 6, wherein the current transformer 1 is perpendicular to the copper bar 6, and the current transformer 1 and the copper bar 6 form a cross shape, so that the current transformer 1 is symmetrical left and right and is attractive and elegant, a transformer fixing column 8 is fixed between the current transformer 1 and the copper bar 6, the transformer fixing column 8 plays a role in connection, the transformer fixing column 8 is made of copper, the copper bar 6 is positioned on the rear side of the current transformer 1, and the transformer fixing column 8 is fixed between the rear end of the current transformer 1 and the front end of the copper bar 6;
with reference to fig. 1 and fig. 2, a voltage signal sampling line 9 is wound on a circumferential surface of the transformer fixing column 8, the voltage signal sampling line 9 is electrically connected to a voltage signal sampler 7, one end of the voltage signal sampling line 9 is connected to an anode of the voltage signal sampler 7, and the other end of the voltage signal sampling line 9 is connected to a cathode of the voltage signal sampler 7, the type of the voltage signal sampler 7 can be selected according to actual needs, for example, the type of the voltage signal sampler 7 is JLD4U, the voltage signal sampler 7 is used for sampling voltage signals, and the flow direction of the voltage signals of the voltage signal sampling line 9 is counterclockwise;
referring to fig. 1 and 2, a first current signal sampling line 2 and a second current signal sampling line 4 are wound on the circumferential surface of a current transformer 1, the first current signal sampling line 2 and the second current signal sampling line 4 are symmetrical to each other, the first current signal sampling line 2 and the second current signal sampling line 4 are respectively connected to a first current signal sampler 3 and a second current signal sampler 5, one end of the first current signal sampling line 2 is connected to the positive electrode of the first current signal sampler 3, the other end of the first current signal sampling line 2 is connected to the negative electrode of the first current signal sampler 3, the current signal flow direction of the first current signal sampling line 2 is clockwise, one end of the second current signal sampling line 4 is connected to the positive electrode of the second current signal sampler 5, and the other end of the second current signal sampling line 4 is connected to the negative electrode of the second current signal sampler 5, the current signal flow direction of the second current signal sampling line 4 is clockwise, the types of the first current signal sampler 3 and the second current signal sampler 5 can be selected according to actual needs, for example, the types of the first current signal sampler 3 and the second current signal sampler 5 are PZEM-011 current samplers, and both the first current signal sampler 3 and the second current signal sampler 5 are used for sampling current signals.
Example 2:
referring to fig. 1 and 3, a hole site 10 is formed at the upper end of the current transformer 1, the copper bar 6 penetrates through the hole site 10, and the voltage signal sampling line 9 is fixed between the left end of the copper bar 6 and the left inner wall of the hole site 10, which is different from the embodiment 1 in the arrangement positions of the copper bar 6 and the transformer fixing column 8.
The above description is only 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 can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.
Claims (7)
1. The utility model provides a current transformer with voltage sampling function, includes current transformer (1) and copper bar (6), current transformer (1) and copper bar (6) mutually perpendicular, and current transformer (1) and copper bar (6) form the cross form, its characterized in that: be fixed with mutual-inductor fixed column (8) between current transformer (1) and copper bar (6), the winding has voltage signal sampling line (9) on the circumferential surface of mutual-inductor fixed column (8), voltage signal sampling line (9) electricity is connected with voltage signal sample thief (7), the winding has first current signal sampling line (2) and second current signal sampling line (4) on the circumferential surface of current transformer (1), and first current signal sampling line (2) and second current signal sampling line (4) bilateral symmetry, first current signal sampling line (2) and second current signal sampling line (4) are connected with first current signal sample thief (3) and second current signal sample thief (5) respectively.
2. The current transformer with voltage sampling function of claim 1, wherein: one end of the first current signal sampling line (2) is connected to the positive pole of the first current signal sampler (3), the other end of the first current signal sampling line (2) is connected to the negative pole of the first current signal sampler (3), and the current signal flow direction of the first current signal sampling line (2) is clockwise.
3. The current transformer with voltage sampling function according to claim 2, characterized in that: one end of the second current signal sampling line (4) is connected to the positive pole of the second current signal sampler (5), the other end of the second current signal sampling line (4) is connected to the negative pole of the second current signal sampler (5), and the current signal flow direction of the second current signal sampling line (4) is clockwise.
4. The current transformer with voltage sampling function of claim 3, wherein: one end of the voltage signal sampling line (9) is connected to the positive pole of the voltage signal sampler (7), the other end of the voltage signal sampling line (9) is connected to the negative pole of the voltage signal sampler (7), and the voltage signal flow direction of the voltage signal sampling line (9) is anticlockwise.
5. The current transformer with voltage sampling function of claim 4, wherein: the mutual inductor fixing column (8) is made of copper.
6. The current transformer with voltage sampling function of claim 5, wherein: the copper bar (6) is located on the rear side of the current transformer (1), and the transformer fixing column (8) is fixed between the rear end of the current transformer (1) and the front end of the copper bar (6).
7. The current transformer with voltage sampling function of claim 5, wherein: the current transformer is characterized in that a hole site (10) is formed in the upper end of the current transformer (1), the copper bar (6) penetrates through the hole site (10), and the voltage signal sampling line (9) is fixed between the left end of the copper bar (6) and the left inner wall of the hole site (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922337055.2U CN211529779U (en) | 2019-12-24 | 2019-12-24 | Current transformer with voltage sampling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922337055.2U CN211529779U (en) | 2019-12-24 | 2019-12-24 | Current transformer with voltage sampling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211529779U true CN211529779U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922337055.2U Active CN211529779U (en) | 2019-12-24 | 2019-12-24 | Current transformer with voltage sampling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211529779U (en) |
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2019
- 2019-12-24 CN CN201922337055.2U patent/CN211529779U/en active Active
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