CN112735792A - Small-size mutual-inductor structure - Google Patents
Small-size mutual-inductor structure Download PDFInfo
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- CN112735792A CN112735792A CN202011553849.3A CN202011553849A CN112735792A CN 112735792 A CN112735792 A CN 112735792A CN 202011553849 A CN202011553849 A CN 202011553849A CN 112735792 A CN112735792 A CN 112735792A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention provides a small-sized mutual inductor structure, comprising: the bottom end of the main body is connected with a pin contact, and the pin contact is connected to the current passing position of the electric appliance to convert the current and conveniently measure the current; the fixed component is inserted and embedded into the bottom end of the pin and is close to the left side and the right side. The fixing component arranged by the device can be connected to an electric appliance structure through the pin contact of the main body, the main body can be connected with the electric appliance structure to a certain extent by folding the center to clamp the main body, the electric appliance structure can be more conveniently measured in a contact mode without being controlled by people all the time, and meanwhile, the main body can be more easily disassembled and assembled on the electric appliance structure.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to the technical field of small-sized transformer structures.
Background
The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage or standard small current in proportion so as to implement standardization and miniaturization of measuring instrument, protective equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for isolating a high-voltage system so as to ensure the safety of people and equipment. However, some existing small-sized transformers are usually connected to an electrical apparatus in a contact manner through contact structures such as pins, but if the small-sized transformers need to be connected for a long time, the small-sized transformers are fixedly connected to the electrical apparatus through means such as rivets, so that the mutual inductors are difficult to assemble and disassemble, and are easy to damage when the small-sized transformers are assembled and disassembled, and the service life of the small-sized transformers is shortened.
Disclosure of Invention
Problem (A)
In summary, a small-sized transformer structure is provided to solve the problems that the existing small-sized transformer is usually directly and fixedly connected on the surface when being in contact connection with an electrical structure, so that the small-sized transformer is difficult to disassemble and assemble and is easy to damage when being disassembled and assembled.
(II) technical scheme
There is provided a small transformer structure comprising: the bottom end of the main body is connected with a pin contact, and the pin contact is connected to the current passing position of an electric appliance to convert the current and conveniently measure the current;
the fixed component is arranged at the bottom end of the pin and close to the left side and the right side in an inserting and embedding mode.
Further, the pin comprises;
the top shaft is a round shaft which is embedded in the middle of the bottom end of the pin and has a smaller diameter, and a thread-shaped groove mark which inclines leftwards and downwards is arranged on the peripheral surface of the top shaft;
the lifting groove is a cylindrical groove with the bottom end of a pin embedded and connected with the top shaft;
the transmission ring is a disc which is embedded and arranged around the middle part of the groove of the lifting groove, and the middle part of the disc of the transmission ring is provided with a circular groove consistent with the groove of the lifting groove;
the displacement groove is a groove which is rectangular on two sides of the bottom end of the top shaft, and a rectangular lug is arranged at the opening of the groove of the displacement groove and extends towards the center.
Further, the top shaft comprises;
the limiting shaft is a circular shaft bulge with a smaller diameter at the top end of the jacking shaft, and a circular ring bulge with a larger diameter is further arranged around the circular shaft bulge of the limiting shaft;
the limiting ring is a ring sleeved around the limiting shaft, and the diameter of the ring of the limiting ring is consistent with that of the top shaft;
the inner wall of the hollow part of the limiting ring is an annular groove, and the annular groove of the embedding groove is embedded with the annular bulge on the peripheral surface of the limiting shaft;
the limiting block is a rectangular lug on two sides of the limiting ring.
Furthermore, the lifting groove comprises;
the limiting lifting groove is a groove which is rectangular on two sides of the lifting groove, and the groove of the limiting lifting groove is embedded with the limiting block.
Further, the transmission ring comprises;
the transmission groove mark is formed by mutually embedding the inner wall of the circular groove in the middle of the transmission ring and the peripheral surface of the top shaft;
the rotating shaft is arranged on a hollow round shaft inside the top shaft in a surrounding embedding mode of the transmission ring, and the bottom end surface of the round shaft of the rotating shaft is arranged on the bottom end surface of the top shaft in a protruding mode.
Furthermore, the fixing component is two semicircular squares and comprises a fixing component;
the laminating layer is a rubber layer which is formed by embedding and connecting rubber on one side of the fixing component, and the surface of one side of the fixing component connected with the laminating layer is provided with an arc-shaped groove;
the displacement disc is a disc fixedly connected with the top end of the fixing component, the diameter of the disc of the displacement disc is embedded with the width of the groove of the displacement groove, and the diameter of a circular shaft for connecting the bottom end of the displacement disc is embedded with the width between the rectangular bumps at the opening of the displacement groove;
and the offset groove mark is a thread groove mark formed by embedding the top end surface of the fixed assembly and a left downward inclined groove mark of the bottom end surface of the rotary shaft protruding out of the top shaft.
Further, a small-sized transformer structure according to claim 1, characterized in that: the main body has a mechanical dimension of 37 mm in length and 37 mm in width and 34.5mm in height, and the deviation of the external dimension of the transformer is not more than 1.0 mm.
Furthermore, the relative position deviation of the pins of the pin mutual inductor is not more than 0.5 mm. The primary and secondary of the transformer are input and output by a pin with the middle diameter of 1.0mm, and the transformer is provided with a single shielding layer.
(III) advantageous effects
(1) The fixing component arranged by the device can be connected to an electric appliance structure through the pin contact of the main body, the main body can be connected with the electric appliance structure to a certain extent by folding the center to clamp the main body, the electric appliance structure can be more conveniently measured in a contact mode without being controlled by people all the time, and meanwhile, the main body can be more easily disassembled and assembled on the electric appliance structure.
(2) The device is provided with the laminating layer, connects the object surface of contact through the laminating layer at fixed subassembly laminating when needs, carries out the shrink according to the radian and the shape on its object surface for its laminating that can be comprehensive is on the surface of object, and the centre gripping that lets it can be better is fixed.
(3) The framework is a non-national standard E-shaped silicon steel sheet, and the small resistor is fixedly mounted on the inner side of the box body, so that the precision of the mutual inductor can be improved by matching the small resistor with the framework, and errors are reduced.
(4) The iron core is clamped and inserted into the framework, and the enameled wire is wound outside the framework and used for circulation of a power supply.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the stitch of the present invention;
FIG. 3 is a schematic view of the overall structure of the stitch according to the present invention in a side view, partially cut away;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the overall construction of the drive ring of the present invention;
FIG. 6 is a schematic view of a partial connection structure of the fixing member and the displacement groove according to the present invention;
FIG. 7 is a schematic view of the overall top view of the present invention;
in fig. 1 to 7, the correspondence between the part names or lines and the reference numbers is:
the device comprises a main body 1, pins 2, a top shaft 201, a limiting shaft 2011, a limiting ring 2012, a fitting groove 2013, a limiting block 2014, a lifting groove 202, a limiting lifting groove 2021, a transmission ring 203, a transmission groove mark 2031, a rotating shaft 2032, a displacement groove 204, a fixing assembly 3, a bonding layer 301, a displacement disc 302 and a displacement groove mark 303.
Detailed Description
Please refer to fig. 1 to 7:
a miniature transformer structure comprising: the bottom end of the main body 1 is connected with a pin 2 which is in contact connection with the current passing position of an electric appliance to convert the current and conveniently measure the current;
fixed subassembly 3, fixed subassembly 3 grafting gomphosis sets up in being close to the left and right sides in stitch 2 bottom.
Wherein, the stitch 2 comprises;
the top shaft 201 is a circular shaft which is embedded in the middle of the bottom end of the pin 2 and has a smaller diameter, and a thread-shaped groove mark which inclines leftwards and downwards is arranged on the peripheral surface of the top shaft 201; because the circumferential surface of the top shaft 201 is provided with the groove mark which is embedded with the transmission groove mark 2031 on the inner wall of the middle part of the transmission ring 203, the top shaft 201 can drive the transmission ring 203 to rotate when moving along the transmission groove mark 2031.
The lifting groove 202 is a cylindrical groove formed by embedding and connecting the bottom end of the pin 2 with the top shaft 201;
the transmission ring 203 is a disc which is embedded around the middle part of the groove of the lifting groove 202, and the middle part of the disc of the transmission ring 203 is provided with a circular groove which is consistent with the groove of the lifting groove 202;
the displacement groove 204, the displacement groove 204 is a rectangular groove on both sides of the bottom end of the top shaft 201, and a rectangular projection is arranged at the opening of the groove of the displacement groove 204 and extends towards the center. The circular shaft connected with the displacement disk 302 penetrates through the middle part of the rectangular protrusion at the opening of the displacement groove 204, so that the displacement disk 302 can be embedded in the displacement groove 204 and can not be separated up and down and can only be moved in parallel left and right.
Wherein, the top shaft 201 comprises;
the limiting shaft 2011 is a circular shaft protrusion with a smaller diameter at the top end of the top shaft 201, and a circular ring protrusion with a larger diameter is further arranged around the circular shaft protrusion of the limiting shaft 2011; the limiting ring 2012 is embedded with the circular ring bulge around the limiting shaft 2011 through the embedding groove 2013 on the inner wall of the middle part, so that the limiting ring 2012 is not separated from the limiting shaft 2011.
The limiting ring 2012 is a circular ring sleeved around the limiting shaft 2011, and the diameter of the circular ring of the limiting ring 2012 is consistent with that of the top shaft 201;
the embedding groove 2013 is a circular groove on the inner wall of the hollow part of the limiting ring 2012, and the circular groove of the embedding groove 2013 is embedded with a circular ring bulge on the peripheral surface of the limiting shaft 2011;
and the limiting block 2014 is a rectangular bump on two sides of the limiting ring 2012. Meanwhile, the limiting blocks 2014 on the two sides of the limiting ring 2012 can be embedded in the limiting lifting grooves 2021 on the two sides of the inner wall of the lifting groove 202 to move, so that the limiting ring 2012 is limited to be incapable of rotating along with the top shaft 201, but the lifting distance of the top shaft 201 is limited, and the top shaft 201 cannot be separated from the lifting groove 202.
Wherein, the lifting groove 202 comprises;
the limiting lifting groove 2021 and the limiting lifting groove 2021 are rectangular grooves on both sides of the lifting groove 202, and the groove of the limiting lifting groove 2021 is embedded with the limiting block 2014.
Wherein, the driving ring 203 comprises;
the transmission groove mark 2031 is the groove mark 2031, wherein the transmission groove mark 2031 is the groove mark formed by mutually embedding the inner wall of the circular groove in the middle of the transmission ring 203 and the peripheral surface of the top shaft 201;
the rotating shaft 2032 is a hollow round shaft fitted around the transmission ring 203 and disposed inside the top shaft 201, and the bottom end surface of the round shaft 2032 is protruded from the bottom end surface of the top shaft 201. When the driving ring 203 is rotated by the top shaft 201, the rotating shaft 2032 connected to the periphery thereof also rotates.
Wherein, the fixing component 3 is two semicircular squares, and the fixing component 3 comprises; the contact structure is clamped and fixed by folding the fixed component 3 to the center, so that the contact structure is kept in contact without manual control all the time when some simple contact measurements are carried out, and the main body 1 is convenient to disassemble and assemble on some electrical appliance structures to be used for many times.
Wherein, insert the iron core joint on the skeleton to twine the enameled wire outside the skeleton and be used for the circulation of power.
The adhesive layer 301, the adhesive layer 301 is a rubber layer made of rubber embedded and connected to one side of the fixing component 3, and the surface of one side of the fixing component 3 connected to the adhesive layer 301 is provided with an arc-shaped groove; elasticity through laminating layer 301 makes laminating layer 301 contact when measuring some surfaces in needs and be circular-arc structural can carry out the shrink according to the circular arc on its object surface and warp, lets its laminating that can be more comprehensive on the surface of object, lets what it can be better carry out the centre gripping fixed to some cables or the object that has the circular arc surface.
The displacement disc 302 is a disc fixedly connected with the top end of the fixing component 3, the diameter of the disc of the displacement disc 302 is embedded with the width of the groove of the displacement groove 204, and the diameter of a circular shaft used for connecting the bottom end of the displacement disc 302 is embedded with the width of the rectangular lug at the opening of the displacement groove 204;
an offset groove mark 303, wherein the offset groove mark 303 is a thread groove mark of the top surface of the fixing member 3 and a left downward inclined groove mark of the rotation shaft 2032 protruding from the bottom surface of the top shaft 2.
Wherein, the length 37 of the main body 1 is wide 37 and the height is 34.5mm, and the deviation of the external dimension of the mutual inductor is not more than 1.0 mm.
And the relative position deviation of the pins of the mutual inductor of the pin 2 is not more than 0.5 mm. The primary and secondary of the transformer are input and output by a pin with the middle diameter of 1.0mm, and the transformer is provided with a single shielding layer.
In the first embodiment, the first step is,
wherein, the No. 1 pin is input one by one
No. 3 pin one-shield lead-out
Pin one-one empty pin No. 5.
Base pin material copper
Coating material of gold
The thickness of the coating is 0.05mm
In the case of the example 2, the following examples are given,
the name of the component, the material of the component, the manufacturer of the component that make up the device.
| Name of component | Component material | Parts manufacturer |
| Iron core | 30QG110 | Nantong Junhong electric appliances Co Ltd |
| Framework | Reinforced nylon 66 | Beijing Huateng New Material Co Ltd |
| Coil | Polyurethane enameled wire | Changzhou ocean Cable Ltd |
| Insulating material | Polyethylene terephthalate film | Dupont film of Kitas, Japan |
| Yellow wax pipe | Glass fiber sleeve with test voltage of 4kV | Changzhou Jinhao insulation materials Ltd |
| Box | PBT | Beijing Huateng New Material Co Ltd |
| Resin adhesive | Flame retardant insulating compounds | Tianjin City New bridge insulation Material Co Ltd |
In the case of the example 3, the following examples are given,
specification of materials
1. Power consumption; rated voltage of 57.74V is not more than 0.5VA
2. Transmission and transformation performance;
2.1 YH parameter specification
| Rated frequency | Rated voltage |
| 50Hz | 57.74V |
2.2, YH Angle Difference, Difference of ratios nonlinearity
2.3, YH has anti-electromagnetic interference characteristic, fast transient mode, common mode surge, differential mode surge, oscillatory wave, ringing wave pair YH
2.4, the output voltage at rated voltage is 3.1757V.
In the case of the example 4, the following examples are given,
1. electrical safety
Insulation resistance >500M ohm) (insulation resistance greater than 200Mohm 1 hour after completion of the damp heat test project in accordance with DL-479-. )
Dielectric strength of 3500VAC leakage current <0.4mA
Impact pressure resistance >5000V
2. Safety of fire
The composition materials of the product are all flame-retardant materials, and the flame-retardant grade of all organic materials reaches V-1 grade.
3. Electromagnetic compatibility performance
Surge 4-level (common mode) 4-level (differential mode)
4-stage oscillating wave
Ringing 4-level
Environmental characteristics
1 temperature and atmospheric environment
The environmental temperature is-40 to +80 ℃;
relative humidity of 5-95%;
the atmospheric pressure is 80kPa to 106 kPa.
2 machinery
Vibration response class I
Vibration durable class I
Impulse response class I
Impact durability class I
Impact class I
(IV) working principle
The invention provides a small mutual inductor structure, firstly, a pin 2 on a main body 1 is contacted and connected on an electric appliance or a cable for transmitting electric energy, then the voltage is reduced according to the proportion to obtain a value which can be detected, the voltage is conveniently monitored by using the existing measuring equipment, when the existing main body 1 is contacted on the electric appliance and the cable which need to be measured through the pin 2, a top shaft 201 at the bottom end of the pin 2 is abutted against the electric appliance and the cable which need to be measured to apply force, so that the top shaft 2012 is contracted and moved towards a lifting groove 202 in the bottom end of the pin 2, fixing components 3 at two sides of the bottom end of the pin 2 are moved to two sides of the measuring structure, and the peripheral surface is attached to a slotted position in the middle of a driving ring 203 in the lifting groove 202 to move when the top shaft 201 is contracted along the lifting groove 202, because the peripheral surface of the top shaft 201 is provided with the groove mark embedded with the transmission groove mark 2031 on the middle inner wall of the transmission ring 203, the top shaft 201 can drive the transmission ring 203 to rotate when moving along the transmission groove mark 2031, the limiting shaft 2011 at the top end can be embedded with the limiting ring 2012 when the top shaft 201 is lifted in the lifting groove 202, the limiting ring 2012 is embedded with the circular ring bulge around the limiting shaft 2011 through the embedding groove 2013 on the middle inner wall, so that the limiting ring 2012 is not separated from the limiting shaft 2011, the limiting blocks 2014 at two sides of the limiting ring 2012 can be embedded in the limiting lifting grooves 2021 at two sides of the inner wall of the lifting groove 202 to move, so that the limiting ring 2012 is limited by a certain amount and cannot rotate along with the top shaft 201, but the lifting distance of the top shaft 201 is limited, so that the top shaft 201 cannot be separated from the lifting groove 202, and meanwhile, the rotating shaft 2 connected around the top shaft 201 can also rotate together when the transmission ring 203 is driven to rotate by the top shaft 201 When the rotating shaft 2032 rotates, the part of the rotating shaft 2032 exposed on the bottom end surface of the top shaft 201 is embedded on the offset groove mark 303 at the top end of the fixed component 3, through the groove mark embedded between the bottom end surface of the rotating shaft 2032 and the offset groove mark 303, the rotating shaft 2032 can force the fixed component 3 to shift towards the center when rotating, the contacted structure is clamped and fixed through the shift folding towards the center of the fixed component 3, so that the contact is kept without being controlled all the time when some simple contact measurement is carried out, meanwhile, the main body 1 is convenient to be assembled and disassembled on some electrical appliance structures to be used for many times, then the adhesive layer 301 on one side of the fixed component 3 is adhered on the surfaces on two sides of the object structure and the cable when some structures with arc surfaces needing contact measurement are adhered on the adhesive layer 301 through the elasticity of the adhesive layer 301, the adhesive layer 301 can enter according to the arc of the object surface when some structures with arc surfaces needing contact measurement are adhered on the fixed component 3 Going the shrink and warping, let its surface of laminating at the object more comprehensively, let it can be better carry out the centre gripping fixed to some cables or the object that has the circular arc surface, the removal of fixed subassembly 3 is folded at last and is moved in the displacement groove 204 of stitch 2 bottom through top displacement dish 302 gomphosis, run through the bellied middle part of its displacement groove 204 opening part rectangle form through the round shaft of connecting displacement dish 302, let displacement dish 302 can't carry out the separation removal about can only carry out parallel translation of moving in displacement groove 204 gomphosis.
Claims (8)
1. A miniature transformer structure comprising: the electric appliance current measuring device comprises a main body (1) and a pin (2), wherein the pin (2) is connected to the bottom end of the main body (1) in a contact manner and is connected to the current passing position of an electric appliance to convert current and conveniently measure the current, and the electric appliance current measuring device is characterized in that;
the fixing component (3), the fixing component (3) is inserted and embedded into the bottom end of the pin (2) and is close to the left side and the right side.
2. A miniature transformer construction as claimed in claim 1, wherein: the pin (2) comprises;
the top shaft (201) is a round shaft which is embedded in the middle of the bottom end of the pin (2) and has a smaller diameter, and a thread-shaped groove mark which inclines leftwards and downwards is arranged on the peripheral surface of the top shaft (201);
the lifting groove (202) is a cylindrical groove formed by embedding and connecting the bottom end of a pin (2) with a top shaft (201);
the transmission ring (203) is a disc which is embedded and arranged around the middle part of the groove of the lifting groove (202), and a circular groove which is consistent with the groove of the lifting groove (202) is arranged in the middle part of the disc of the transmission ring (203);
the displacement groove (204) is a rectangular groove formed in two sides of the bottom end of the top shaft (201), and a rectangular convex block is arranged at the opening of the groove of the displacement groove (204) and extends towards the center.
3. A miniature transformer construction as claimed in claim 2, wherein: the top shaft (201) comprises;
the limiting shaft (2011) is a circular shaft protrusion with a smaller diameter at the top end of the top shaft (201), and a circular ring protrusion with a larger diameter is further arranged around the circular shaft protrusion of the limiting shaft (2011);
the limiting ring (2012) is a circular ring sleeved around the limiting shaft (2011), and the diameter of the circular ring of the limiting ring (2012) is consistent with that of the top shaft (201);
the inner wall of the hollow part in the middle of the limiting ring (2012) is provided with a circular groove in the embedding groove (2013), and the circular groove in the embedding groove (2013) is embedded with a circular protrusion on the peripheral surface of the limiting shaft (2011);
and the limiting block (2014) is a rectangular bump on two sides of the limiting ring (2012).
4. The small-sized transformer structure according to claim 2, wherein said lifting groove (202) comprises;
the limiting lifting groove (2021), the limiting lifting groove (2021) is a rectangular groove on two sides of the lifting groove (202), and the groove of the limiting lifting groove (2021) is embedded with the limiting block (2014).
5. A miniature transformer construction as claimed in claim 2, wherein: the transmission ring (203) comprises;
the transmission groove mark (2031) is a groove mark formed by mutually embedding the inner wall of a circular groove in the middle of the transmission ring (203) and the peripheral surface of the top shaft (201);
the rotating shaft (2032) is a hollow round shaft which is embedded and arranged inside the top shaft (201) around the transmission ring (203), and the bottom end surface of the round shaft of the rotating shaft (2032) is convexly arranged on the bottom end surface of the top shaft (201).
6. A miniature transformer construction as claimed in claim 1, wherein: the fixing component (3) is two semicircular square blocks, and the fixing component (3) comprises;
the laminating layer (301) is a rubber layer which is formed by embedding and connecting rubber on one side of the fixing component (3), and the surface of one side of the fixing component (3) connected with the laminating layer (301) is provided with an arc-shaped groove;
the displacement disc (302) is a disc fixedly connected with the top end of the fixing component (3), the diameter of the disc of the displacement disc (302) is embedded with the width of a groove of the displacement groove (204), and the diameter of a circular shaft used for connecting the bottom end of the displacement disc (302) is embedded with the width of a rectangular lug at the opening of the displacement groove (204);
and the offset groove mark (303) is a thread groove mark which is embedded between the top end surface of the fixed component (3) and a leftward downward inclined groove mark of the rotating shaft (2032) which protrudes out of the bottom end surface of the top shaft (2).
7. A miniature transformer construction as claimed in claim 1, wherein: the main body (1) has a mechanical dimension of 37 mm in length, 37 mm in width and 34.5mm in height, and the deviation of the external dimension of the transformer is not more than 1.0 mm.
8. A miniature transformer construction as claimed in claim 1, wherein: the pin (2) mutual inductor pin relative position deviation is not more than 0.5 mm. The primary and secondary of the mutual inductor are input and output by a pin with the middle diameter of 1.0mm and are provided with a single shielding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011553849.3A CN112735792A (en) | 2020-12-24 | 2020-12-24 | Small-size mutual-inductor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011553849.3A CN112735792A (en) | 2020-12-24 | 2020-12-24 | Small-size mutual-inductor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112735792A true CN112735792A (en) | 2021-04-30 |
Family
ID=75615623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011553849.3A Withdrawn CN112735792A (en) | 2020-12-24 | 2020-12-24 | Small-size mutual-inductor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112735792A (en) |
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| CN101556862A (en) * | 2009-01-22 | 2009-10-14 | 英飞特电子（杭州）有限公司 | High-frequency pulse current transformer |
| CN101872677A (en) * | 2010-04-21 | 2010-10-27 | 东莞市艾炜特电子有限公司 | Current mutual inductor |
| CN202948837U (en) * | 2012-11-14 | 2013-05-22 | 北京霍远科技有限公司 | Installing mold of voltage and current transformer |
| CN204966945U (en) * | 2015-09-11 | 2016-01-13 | 福州可源电子有限公司 | Automatic depainting leather clothing of copper line is put |
| CN109980399A (en) * | 2019-05-06 | 2019-07-05 | 天台卫冕智能科技有限公司 | A kind of intelligent instrumentation data-bus connector |
| CN210378736U (en) * | 2019-11-12 | 2020-04-21 | 武汉晨扬电子科技有限公司 | Improved mutual inductor |
| CN111681833A (en) * | 2020-06-17 | 2020-09-18 | 刘美阳 | Cable processing device of skinning |
| CN111710516A (en) * | 2020-06-24 | 2020-09-25 | 刘美阳 | Transformer processing equipment |
| CN111731127A (en) * | 2020-05-11 | 2020-10-02 | 顾春霞 | Parking platform of new energy electric automobile |
| CN111847221A (en) * | 2020-07-16 | 2020-10-30 | 朱大美 | Submarine mineral transportation equipment |
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2020
- 2020-12-24 CN CN202011553849.3A patent/CN112735792A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556862A (en) * | 2009-01-22 | 2009-10-14 | 英飞特电子（杭州）有限公司 | High-frequency pulse current transformer |
| CN101872677A (en) * | 2010-04-21 | 2010-10-27 | 东莞市艾炜特电子有限公司 | Current mutual inductor |
| CN202948837U (en) * | 2012-11-14 | 2013-05-22 | 北京霍远科技有限公司 | Installing mold of voltage and current transformer |
| CN204966945U (en) * | 2015-09-11 | 2016-01-13 | 福州可源电子有限公司 | Automatic depainting leather clothing of copper line is put |
| CN109980399A (en) * | 2019-05-06 | 2019-07-05 | 天台卫冕智能科技有限公司 | A kind of intelligent instrumentation data-bus connector |
| CN210378736U (en) * | 2019-11-12 | 2020-04-21 | 武汉晨扬电子科技有限公司 | Improved mutual inductor |
| CN111731127A (en) * | 2020-05-11 | 2020-10-02 | 顾春霞 | Parking platform of new energy electric automobile |
| CN111681833A (en) * | 2020-06-17 | 2020-09-18 | 刘美阳 | Cable processing device of skinning |
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| CN111847221A (en) * | 2020-07-16 | 2020-10-30 | 朱大美 | Submarine mineral transportation equipment |
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Application publication date: 20210430 |