CN217467018U - Current zero-crossing detection device, power panel and electronic equipment - Google Patents
Current zero-crossing detection device, power panel and electronic equipment Download PDFInfo
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- CN217467018U CN217467018U CN202221185393.4U CN202221185393U CN217467018U CN 217467018 U CN217467018 U CN 217467018U CN 202221185393 U CN202221185393 U CN 202221185393U CN 217467018 U CN217467018 U CN 217467018U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model discloses a current zero-crossing detection device, power strip and electronic equipment, wherein, current zero-crossing detection device includes pad, resistance, first metal forming and second metal forming, resistance locates in the pad, the pad be equipped with leading-out terminal and inlet wire end that resistance connection, the second metal forming encircles in first metal forming, and the one end of second metal forming is connected in the leading-out terminal, the other end is connected in the inlet wire end; the power panel comprises a printed circuit board and the current zero-crossing detection device, wherein the current zero-crossing detection device is arranged on one surface of the printed circuit board; the electronic equipment comprises the current zero-crossing detection device or the power panel. The utility model discloses a replace current transformer's primary with first metallic foil, second metallic foil replaces current transformer's secondary, when realizing zero passage phase detection, has also saved the manual work cost of processing.
Description
Technical Field
The utility model relates to a soft switch technical field of power, concretely relates to electric current zero passage detection device, power strip and electronic equipment.
Background
In the prior art, current zero-crossing detection is realized through a current transformer, and a coil is coupled with an induced current to form a voltage signal through a resistor to judge a current phase so as to enable a switching tube to be conducted at zero current. However, the layered coil winding is adopted, the manual operation is performed, the production process is complex, the cost is high, and meanwhile, the assembly is completed by manual insertion.
In view of this, the prior art is yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art, an object of the present invention is to provide a current zero-crossing detection device, a power strip and an electronic apparatus, wherein the first metal foil replaces the primary coil of the current transformer, the second metal foil replaces the secondary coil of the current transformer, and when the zero-crossing phase detection is realized, the manual processing cost is also saved.
The utility model provides a technical scheme that technical problem adopted as follows:
technical scheme one
The utility model provides a current zero cross detection device, includes pad and resistance, the resistance is located in the pad, the pad is equipped with leading-out terminal and inlet wire end, current zero cross detection device still includes:
a first metal foil;
the second metal foil surrounds the first metal foil, one end of the second metal foil is connected to the wire outlet end, and the other end of the second metal foil is connected to the wire inlet end.
As a further improved solution, in the current zero-crossing detection apparatus, the second metal foil includes:
the top layer foils are sequentially arranged above the first metal foil at intervals;
the bottom foils are sequentially arranged below the first metal foil at intervals, and each bottom foil is connected with the adjacent top foil end to end;
one end of the first connecting foil is connected with the wire inlet end, and the other end of the first connecting foil is connected with the top layer foil close to the wire inlet end;
and one end of the second connecting foil is connected with the wire outlet end, and the other end of the second connecting foil is connected with the bottom layer foil close to the wire outlet end.
As a further improved technical solution, in the current zero-crossing detection device, the top foils are arranged in parallel, and the bottom foils are arranged in parallel.
As a further improvement, in the current zero-crossing detection apparatus, the top foil and the bottom foil are both planar or arc-shaped.
As a further improved technical solution, in the current zero-crossing detection apparatus, the second metal foil surrounds the first metal foil in a polygonal line.
As a further improved technical solution, in the current zero-crossing detection apparatus, the second metal foil surrounds the first metal foil in a spiral line.
As a further improved technical solution, in the current zero-crossing detection apparatus, the first metal foil and the second metal foil are both copper metal foils.
Technical scheme two
A power panel comprises a printed circuit board and the current zero-crossing detection device, wherein the current zero-crossing detection device is arranged on one surface of the printed circuit board.
As a further improved technical solution, in the power panel, a surface of the printed circuit board is coated with a protective layer.
Technical scheme three
An electronic device includes the current zero-crossing detection apparatus according to the first technical aspect or the power panel according to the second technical aspect.
Compared with the prior art, the beneficial effects of the utility model are that:
the second metal foil induces a current signal through the high-frequency current passed by the first metal foil, and a voltage signal is formed through the resistor, so that the detection of the current zero-crossing phase can be realized without additional electrical components, and the complex manual processing cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of a first current zero-crossing detection apparatus provided by the present invention;
fig. 2 is a schematic structural diagram of a second current zero-crossing detection device provided by the present invention.
The numerical designations in the drawings are represented as: 1. a pad; 2. a resistance; 3. a first metal foil; 4. a second metal foil; 5. a wire outlet end; 6. and a wire inlet end.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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
As shown in fig. 1, fig. 1 is a schematic structural diagram of a first current zero-crossing detection apparatus provided by the present invention. Specifically, this embodiment provides a current zero-crossing detection device, including pad 1, resistance 2, first metal foil 3 and second metal foil 4, resistance 2 locates in the pad 1, pad 1 is equipped with leading-out terminal 5 and inlet wire end 6, second metal foil 4 surround in first metal foil 3, just second metal foil 4's one end connect in leading-out terminal 5, the other end connect in inlet wire end 6, thereby realize second metal foil 4 with resistance 2's electricity is connected.
Specifically, the second metal foil 4 includes: the top layer foils are sequentially arranged above the first metal foil at intervals; the bottom foils are sequentially arranged below the first metal foil at intervals, and each bottom foil is connected with the adjacent top foil end to end; one end of the first connecting foil is connected with the wire inlet end 6, and the other end of the first connecting foil is connected with the top layer foil close to the wire inlet end 6; one end of the second connecting foil is connected with the wire outlet end 5, and the other end of the second connecting foil is connected with the bottom layer foil close to the wire outlet end 5.
Furthermore, the top layer foils are arranged in parallel, and the bottom layer foils are arranged in parallel.
Further, with reference to fig. 1, the top foil and the bottom foil are planar; alternatively, the top foil, the bottom foil, the first connecting foil and the second connecting foil are integrally connected and formed, so that the second metal foil 4 surrounds the first metal foil 3 in a fold line, which is the first way of surrounding the first metal foil 3 with the second metal foil 4.
The current zero-crossing detection device provided by the embodiment has the working principle that:
corresponding coupling current can be induced through the top foil and the bottom foil, and a voltage signal is formed through the resistor 2, so that the detection of current phase zero-crossing is realized, the zero current conduction of the switching tube is realized, the loss of the switching tube is reduced, and the efficiency of current zero-crossing detection is improved.
Of course, it should be understood that the resistor 2 may be any resistor in the prior art, and a technician may select the resistor according to actual situations, and in this embodiment, the type of the resistor 2 should not be limited.
Further, since the copper metal has good conductivity and sufficient strength, and is not easily deformed by bending, the first metal foil 3 and the second metal foil 4 are both copper metal foils.
The current zero-crossing detection device provided by the embodiment has the beneficial effects that:
the second metal foil 4 induces a current signal through the high-frequency current passed by the first metal foil 3, and forms a voltage signal through a resistor, so that the detection of the current zero-crossing phase can be realized without additional electrical components, and the complex manual processing cost is saved.
Example 2
As shown in fig. 2, fig. 2 is a schematic structural diagram of a second current zero-crossing detection device provided by the present invention. Specifically, this embodiment provides a current zero-crossing detection device, including pad 1, resistance 2, first metal foil 3 and second metal foil 4, resistance 2 locates in the pad 1, pad 1 is equipped with leading-out terminal 5 and inlet wire end 6, second metal foil 4 surround in first metal foil 3, just second metal foil 4's one end connect in leading-out terminal 5, the other end connect in inlet wire end 6, thereby realize second metal foil 4 with resistance 2's electricity is connected.
Specifically, the second metal foil 4 includes: the top layer foils are sequentially arranged above the first metal foil at intervals; the bottom foils are sequentially arranged below the first metal foil at intervals, and each bottom foil is connected with the adjacent top foil end to end; one end of the first connecting foil is connected with the wire inlet end 6, and the other end of the first connecting foil is connected with the top layer foil close to the wire inlet end 6; one end of the second connecting foil is connected with the wire outlet end 5, and the other end of the second connecting foil is connected with the bottom layer foil close to the wire outlet end 5.
Of course, it should be understood that the resistor 2 may be any resistor in the prior art, and a technician may select the resistor according to actual situations, and in this embodiment, the type of the resistor 2 should not be limited.
Furthermore, the top layer foils are arranged in parallel, and the bottom layer foils are arranged in parallel.
Further, the first metal foil 3 and the second metal foil 4 are both copper metal foils.
Unlike embodiment 1, please continue to refer to fig. 2, the top foil and the bottom foil are both arc-shaped; alternatively, the top foil, the bottom foil, the first connection foil and the second connection foil are integrally connected with each other, so that the second metal foil 4 spirally surrounds the first metal foil 3, which is the second way in which the second metal foil 4 surrounds the first metal foil 3.
Example 3
The embodiment provides a power panel, which comprises a printed circuit board and a current zero-crossing detection device in embodiment 1 or embodiment 2, wherein the current zero-crossing detection device is arranged on one surface of the printed circuit board.
The printed circuit board is made of a copper-clad plate, and the surface of the copper-clad plate is coated with a protective layer for protecting the surface layer of the printed circuit board from being corroded. Specifically, the protective layer is green ink, and the green ink is also called a solder mask.
Example 4
The present embodiment provides an electronic device including the current zero-crossing detection apparatus according to embodiment 1 or embodiment 2 or the power strip according to embodiment 3.
The utility model discloses a current zero-crossing detection device, power strip and electronic equipment, wherein, current zero-crossing detection device includes pad 1, resistance 2, first metal forming 3 and second metal forming 4, resistance 2 locates in pad 1, pad 1 is equipped with leading-out terminal 5 and inlet wire end 6 with resistance 2 is connected, second metal forming 4 surround in first metal forming 3, and the one end of second metal forming 4 is connected in leading-out terminal 5, and the other end is connected in inlet wire end 6; the power panel comprises a printed circuit board and the current zero-crossing detection device, wherein the current zero-crossing detection device is arranged on one surface of the printed circuit board; the electronic device comprises the current zero-crossing detection device or the power panel. The utility model discloses a replace current transformer's primary with first metal forming, second metal forming replaces current transformer's secondary, when realizing zero passage phase detection, has also saved the manual work cost of processing.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (10)
1. The utility model provides a current zero cross detection device, includes pad and resistance, the resistance is located in the pad, the pad is equipped with leading-out terminal and inlet wire end, its characterized in that, current zero cross detection device still includes:
a first metal foil;
the second metal foil surrounds the first metal foil, one end of the second metal foil is connected to the wire outlet end, and the other end of the second metal foil is connected to the wire inlet end.
2. A current zero-crossing detection apparatus as claimed in claim 1, wherein: the second metal foil includes:
the top layer foils are sequentially arranged above the first metal foil at intervals;
the bottom foils are sequentially arranged below the first metal foil at intervals, and each bottom foil is connected with the adjacent top foil end to end;
one end of the first connecting foil is connected with the wire inlet end, and the other end of the first connecting foil is connected with the top layer foil close to the wire inlet end;
and one end of the second connecting foil is connected with the wire outlet end, and the other end of the second connecting foil is connected with the bottom layer foil close to the wire outlet end.
3. A current zero-crossing detection apparatus as claimed in claim 2, wherein: the top layer foils are arranged in parallel, and the bottom layer foils are arranged in parallel.
4. A current zero-crossing detection apparatus as claimed in claim 2, wherein: the top layer foil and the bottom layer foil are both planar or arc-surface.
5. A current zero-crossing detection apparatus as claimed in claim 1, wherein: the second metal foil surrounds the first metal foil in a fold line.
6. A current zero-crossing detection apparatus as claimed in claim 1, wherein: the second metal foil surrounds the first metal foil in a spiral line.
7. A current zero-crossing detection apparatus as claimed in claim 1, wherein: the first metal foil and the second metal foil are both copper metal foils.
8. A power strip, includes printed circuit board, its characterized in that: the zero-crossing current detecting device as claimed in any one of claims 1 to 7, further comprising a zero-crossing current detecting device disposed on one surface of the printed circuit board.
9. The power strip of claim 8, wherein: the surface of the printed circuit board is coated with a protective layer.
10. An electronic device, characterized in that: comprising the current zero-crossing detection apparatus of any one of claims 1 to 7 or the power strip of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221185393.4U CN217467018U (en) | 2022-05-17 | 2022-05-17 | Current zero-crossing detection device, power panel and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221185393.4U CN217467018U (en) | 2022-05-17 | 2022-05-17 | Current zero-crossing detection device, power panel and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217467018U true CN217467018U (en) | 2022-09-20 |
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ID=83275511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221185393.4U Active CN217467018U (en) | 2022-05-17 | 2022-05-17 | Current zero-crossing detection device, power panel and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217467018U (en) |
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2022
- 2022-05-17 CN CN202221185393.4U patent/CN217467018U/en active Active
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