CN113257539B - High-frequency transformer capable of preventing pins from being damaged - Google Patents

High-frequency transformer capable of preventing pins from being damaged Download PDF

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Publication number
CN113257539B
CN113257539B CN202110519976.XA CN202110519976A CN113257539B CN 113257539 B CN113257539 B CN 113257539B CN 202110519976 A CN202110519976 A CN 202110519976A CN 113257539 B CN113257539 B CN 113257539B
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limiting plate
pins
insulating
insulation
framework
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CN113257539A (en
Inventor
高成鹏
潘文韬
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Lujiang Herun Technology Co ltd
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Lujiang Herun Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Induction Heating (AREA)
  • Fuses (AREA)

Abstract

The invention relates to a high-frequency transformer capable of preventing pins from being damaged, which comprises a framework, a winding coil wound on the framework, an iron core arranged outside the framework, and pins arranged on two sides of the bottom of the framework in rows, wherein an insulating limiting plate is movably sleeved outside each row of pins, a plurality of shock absorption spacers are fixed at the bottom of the insulating limiting plate, the outer side of the insulating limiting plate is connected with the framework through at least one sliding limiting assembly, and the sliding limiting assembly drives the insulating limiting plate to slide up and down outside the pins. The insulation limiting plate is matched with the sliding limiting assembly for use, so that the insulation limiting plate can be driven to slide outside the pins, when the insulation limiting plate is positioned at the bottom ends of the pins, the pins can be prevented from being collided, storage and placement before installation of a transformer are facilitated, when the insulation limiting plate is positioned at the top ends of the pins, the pins can be conveniently installed, and heat dissipation of the pins can be accelerated.

Description

High-frequency transformer capable of preventing pins from being damaged
Technical Field
The invention belongs to the field of transformers, and particularly relates to a high-frequency transformer capable of preventing pins from being damaged.
Background
The high-frequency transformer is a power transformer with the working frequency exceeding the intermediate frequency (10 kHz), is mainly used as a high-frequency switching power transformer in a high-frequency switching power supply, and is also used as a high-frequency inverter power transformer in a high-frequency inverter power supply and a high-frequency inverter welding machine.
The high-frequency transformer of the existing common product such as the notebook computer is one of the transformers, and is used as the most important component of the switching power supply. At present, a traditional transformer comprises a framework, a winding coil wound on the framework and an iron core providing a magnetic loop for the transformer, and pins used for connecting a circuit board are arranged on the framework.
In order to facilitate connection with a circuit board, the pins generally protrude out of the whole transformer, so that the pins are easy to collide in the storage and transportation process, an inner package for protecting the pins needs to be additionally arranged, the cost is high, and the pins are easy to collide before the transformer is taken out and connected with the circuit board, so that the pins are deformed and damaged and cannot be used.
Disclosure of Invention
The invention aims to solve the problems and provide a high-frequency transformer which has a simple structure and reasonable design and can prevent pins from being damaged.
The invention achieves the above purpose through the following technical scheme:
the utility model provides a can prevent high frequency transformer of pin damage, includes skeleton, winding coil on the skeleton, install in the iron core in the skeleton outside, set up in skeleton bottom both sides and be the pin that row set up, every row of pin outside equal movable sleeve is equipped with insulating limiting plate, insulating limiting plate bottom is fixed with a plurality of shock attenuation spacers, the insulating limiting plate outside is connected with the skeleton through at least one spacing subassembly that slides, slide spacing subassembly and drive insulating limiting plate and slide from top to bottom in the pin outside to it is fixed with the skeleton to slide spacing subassembly when insulating limiting plate reachs the pin top.
As a further optimization scheme of the invention, the insulation limiting plate comprises an inner heat conducting plate and an outer insulation sleeve fixedly sleeved outside the inner heat conducting plate, through holes corresponding to the pins are formed in the insulation limiting plate, and the inner walls of the through holes are covered by the outer insulation sleeve and can be insulated from the pins.
As a further optimization scheme of the invention, the inner heat conducting plate is made of aluminum alloy and can conduct out heat generated by the pins.
As a further optimization scheme of the invention, the outer insulating sleeve and the shock absorption spacer are integrally arranged and are made of insulating heat-conducting silica gel, so that the heat can be insulated and conducted, and the heat dissipation of the pins is accelerated.
As a further optimization scheme of the invention, the outer side wall of the framework corresponding to the sliding limiting assembly is provided with a sliding groove, the sliding limiting assembly comprises a longitudinal sliding rod, a positioning rod and a first spring, the longitudinal sliding rod is arranged in a [ "shape, the bottom end of the longitudinal sliding rod is fixedly connected with the insulation limiting plate, the top end of the longitudinal sliding rod is provided with a positioning hole, the top end of the longitudinal sliding rod is sleeved outside the positioning rod through the positioning hole, the positioning rod is fixed in the sliding groove, the first spring is sleeved outside the positioning rod, and the bottom end of the first spring is in contact with the longitudinal sliding rod.
As a further optimization scheme of the invention, a limiting groove is formed in the bottom of one side wall of the longitudinal sliding rod, which is close to the insulating limiting plate, an installation groove is formed in the outer side wall of the framework, which corresponds to the bottom of the sliding groove, a second spring is fixedly arranged in the installation groove, a limiting pin is fixedly arranged at the end part of the second spring, and one end of the limiting pin is matched with the limiting groove.
As a further optimization scheme of the invention, the outer wall of the longitudinal sliding rod is integrally provided with the reinforcing ribs, the longitudinal sliding rod and the reinforcing ribs are both made of aluminum alloy, heat conducted to the insulation limiting plate can be conducted to the outside again, and the reinforcing ribs can enhance the supporting strength of the longitudinal sliding rod, increase the heat conduction area and accelerate heat dissipation.
As a further optimization scheme of the invention, a protective sleeve is fixedly arranged between the top of the insulation limiting plate and the lower surface of the framework, the protective sleeve is in an organ shape, and exhaust holes are formed in the front side wall and the rear side wall of the protective sleeve.
As a further optimized scheme of the invention, the protective sleeve is made of insulating heat-conducting silica gel.
The invention has the beneficial effects that:
1) The pins can be protected by the arrangement of the insulation limiting plate, the insulation limiting plate can be driven to slide outside the pins by matching with the sliding limiting assembly, when the insulation limiting plate is positioned at the bottom ends of the pins, the pins can be prevented from being collided, the transformer can be conveniently stored and placed before installation, when the insulation limiting plate is positioned at the top ends of the pins, the pins can be conveniently installed, the heat of the pins can be led out, the heat dissipation of the pins is accelerated, and the service life of the transformer is prolonged;
2) According to the invention, the shock absorption spacers are arranged on the lower surface of the insulation limiting plate and can be respectively contacted with the circuit board, when the framework or the circuit board is vibrated, the influence on the pins can be relieved, the pins are prevented from being separated from the circuit board, a gap can be reserved between the insulation limiting plate and the circuit board, the heat generated by electrifying the pins and the heat of the circuit board can be conveniently and rapidly dissipated into the air, and the heat of the pins can be conveniently and rapidly led out by the insulation limiting plate;
3) According to the invention, the reinforcing ribs are arranged on the outer wall of the longitudinal sliding rod, and the longitudinal sliding rod and the reinforcing ribs are both made of aluminum alloy, so that heat conducted to the insulation limiting plate can be conducted to the outside again, the supporting strength of the longitudinal sliding rod can be enhanced by the reinforcing ribs, the heat conducting area can be increased, and the heat dissipation is accelerated;
4) According to the invention, the organ-shaped protective sleeve is arranged between the insulation limiting plate and the framework, when the insulation limiting plate moves downwards to protect the pins, the protective sleeve is driven to stretch, the pins can be protected by the protective sleeve, dust, moisture and the like can be prevented from attaching to the pins to influence the safe installation of the pins, when the insulation limiting plate moves upwards to install the pins, the protective sleeve is compressed, a good shock absorption effect is achieved, and the pins can be better protected.
Drawings
Fig. 1 is an overall side view of the present invention.
Fig. 2 is a partial sectional structural view of the present invention.
Fig. 3 is a schematic structural view of part a of fig. 2 according to the present invention.
Fig. 4 is a schematic structural view of the sliding limiting assembly, the insulation limiting plate and the pin according to the present invention.
Fig. 5 is a bottom view of the insulation limiting plate of the present invention.
Fig. 6 is a schematic view of the protective cover of the present invention.
In the figure: 1. a framework; 2. a winding coil; 3. an iron core; 4. a pin; 5. an insulating limit plate; 51. an inner heat-conducting plate; 52. an outer insulating sleeve; 6. a shock-absorbing spacer; 7. a sliding limit component; 71. a longitudinal slide bar; 72. positioning a rod; 73. a first spring; 8. a chute; 9. positioning holes; 10. a limiting groove; 11. a second spring; 12. a spacing pin; 13. reinforcing ribs; 14. a protective sleeve; 15. and (4) exhausting holes.
Detailed Description
The present application will now be described in further detail with reference to the drawings, and it should be noted that the following detailed description is given for purposes of illustration only and should not be construed as limiting the scope of the present application, as these numerous insubstantial modifications and variations can be made by those skilled in the art based on the teachings of the present application.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; in the description of the present invention, the meaning of "a plurality" or "a plurality" is two or more unless otherwise specified.
Example 1
As shown in fig. 1-5, a can prevent high frequency transformer of pin damage, including skeleton 1, winding coil 2 on skeleton 1, install in the iron core 3 in the skeleton 1 outside, set up in 1 bottom both sides of skeleton and be the pin 4 that row set up, every row of pin 4 outside equal movable sleeve is equipped with insulating limiting plate 5, insulating limiting plate 5 bottom is fixed with a plurality of shock attenuation spacers 6, insulating limiting plate 5 outside slides spacing subassembly 7 through at least one and is connected with skeleton 1, slide spacing subassembly 7 and drive insulating limiting plate 5 and slide from top to bottom in pin 4 outside to it is fixed with skeleton 1 to slide spacing subassembly 7 when insulating limiting plate 5 reachs pin 4 top.
Slide 8 has been seted up on the 1 lateral wall of skeleton that slide spacing subassembly 7 corresponds, slide spacing subassembly 7 includes vertical slide bar 71, locating lever 72 and a spring 73, vertical slide bar 71 sets up to "[" shape, vertical slide bar 71 bottom and 5 fixed connection of insulating limiting plate, locating hole 9 has been seted up on vertical slide bar 71 top, locating lever 72 outside is located through locating hole 9 cover in vertical slide bar 71 top, locating lever 72 is fixed in spout 8, a spring 73 cover is located the locating lever 72 outside and bottom and vertical slide bar 71 contact.
The bottom of a side wall of the longitudinal sliding rod 71 close to the insulation limiting plate 5 is provided with a limiting groove 10, the outer side wall of the framework 1 corresponding to the bottom of the sliding groove 8 is provided with a mounting groove, a second spring 11 is fixedly arranged in the mounting groove, a limiting pin 12 is fixedly arranged at the end part of the second spring 11, and one end of the limiting pin 12 is matched with the limiting groove 10.
The insulating limiting plate 5 comprises an inner heat conducting plate 51 and an outer insulating sleeve 52 fixedly sleeved outside the inner heat conducting plate 51, a through hole corresponding to the pin 4 is formed in the insulating limiting plate 5, and the inner wall of the through hole is covered by the outer insulating sleeve 52 and can be insulated from the pin 4. The inner heat conducting plate 51 is made of an aluminum alloy and can conduct heat generated by the pins 4. Outer insulating sleeve 52 and shock attenuation spacer 6 integration set up, and make by insulating heat conduction silica gel, can insulate, heat conduction for pin 4 dispels the heat.
It should be noted that: when the transformer is not installed, the first spring 73 is in a natural extension state, the insulation limiting plate 5 can be pushed by the positioning rod 72 to move downwards to the bottom end of the pin 4, the pin 4 can be protected by the positioning rod 72 and the insulation limiting plate 5, and the pin 4 cannot be damaged when the external collision happens;
when the transformer is installed on a circuit board, the positioning rod 72 can be pulled to drive the insulating limiting plate 5 to move upwards, the first spring 73 is continuously compressed until the limiting groove 10 on the inner side wall of the longitudinal sliding rod 71 is contacted with the limiting pin 12 on the framework 1, the limiting pin 12 is pushed by the second spring 11 to be inserted into the limiting groove 10, at the moment, the insulating limiting plate 5 moves to the top end of the pin 4 and is fixed in position, the pin 4 is conveniently installed on the circuit board, and after the pin 4 is installed, the shock absorption spacers 6 on the upper surface and the lower surface of the insulating limiting plate 5 can be contacted with the framework 1 and the circuit board, when the framework 1 or the circuit board is vibrated, the influence on the pin 4 can be relieved, and the pin 4 is prevented from being separated from the circuit board; in addition, the shock absorption spacer 6 is arranged to enable a gap to be reserved between the circuit boards of the insulation limiting plates 5, heat generated by electrifying the pins 4 and circuit board heat can be conveniently dissipated to the air quickly, and the insulation limiting plates 5 can conveniently conduct the heat of the pins 4 out quickly.
In addition, the reinforcing ribs 13 are integrally arranged on the outer wall of the longitudinal sliding rod 71, the longitudinal sliding rod 71 and the reinforcing ribs 13 are made of aluminum alloy, heat conducted to the insulation limiting plate 5 can be conducted to the outside again, the reinforcing ribs 13 can strengthen the supporting strength of the longitudinal sliding rod 71, the heat conducting area can be increased, and heat dissipation is accelerated.
As shown in fig. 1-2 and 6, a protective sleeve 14 is fixedly arranged between the top of the insulating limiting plate 5 and the lower surface of the framework 1, the protective sleeve 14 is in an organ shape, exhaust holes 15 are formed in the front side wall and the rear side wall of the protective sleeve 14, and the protective sleeve 14 is made of insulating heat-conducting silica gel.
It should be noted that: move down when protecting pin 4 at insulating limiting plate 5, it drives lag 14 tensile, and pin 4 can be protected to lag 14 to can prevent that dust, moisture etc. from adhering to on pin 4, influence the safety installation of pin 4, when moving up at insulating limiting plate 5 and carry out pin 4's installation, lag 14 is compressed, makes things convenient for pin 4 to connect, and uses as fine shock-absorbing structure, plays fine shock attenuation effect, and the heat conduction effect is also better.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention.

Claims (7)

1. The utility model provides a can prevent high frequency transformer of pin damage, includes skeleton (1), winding coil (2) on skeleton (1), install in iron core (3) in skeleton (1) outside, set up in skeleton (1) bottom both sides and be pin (4) that row set up, its characterized in that: an insulation limiting plate (5) is movably sleeved outside each row of pins (4), a plurality of shock absorption spacers (6) are fixed at the bottom of the insulation limiting plate (5), the outer side of the insulation limiting plate (5) is connected with the framework (1) through at least one sliding limiting assembly (7), the sliding limiting assembly (7) drives the insulation limiting plate (5) to slide up and down outside the pins (4), and the sliding limiting assembly (7) is fixed with the framework (1) when the insulation limiting plate (5) reaches the top ends of the pins (4);
the outer side wall of the framework (1) corresponding to the sliding limiting assembly (7) is provided with a sliding groove (8), the sliding limiting assembly (7) comprises a longitudinal sliding rod (71), a positioning rod (72) and a spring (73), the longitudinal sliding rod (71) is arranged in a [ -shape, the bottom end of the longitudinal sliding rod (71) is fixedly connected with the insulation limiting plate (5), the top end of the longitudinal sliding rod (71) is provided with a positioning hole (9), the top end of the longitudinal sliding rod (71) is sleeved outside the positioning rod (72) through the positioning hole (9), the positioning rod (72) is fixed in the sliding groove (8), the spring (73) is sleeved outside the positioning rod (72), and the bottom end of the spring is in contact with the longitudinal sliding rod (71);
limiting groove (10) have been seted up to a lateral wall bottom that vertical slide bar (71) are close to insulating limiting plate (5), the mounting groove has been seted up on skeleton (1) lateral wall that spout (8) bottom corresponds, the mounting groove internal fixation is equipped with No. two spring (11), no. two spring (11) end fixing is equipped with spacer pin (12), spacer pin (12) one end cooperatees with limiting groove (10).
2. A high frequency transformer capable of preventing pin damage according to claim 1, wherein: insulating limiting plate (5) are located outside outer insulating sleeve (52) of interior heat-conducting plate (51) including interior heat-conducting plate (51) and fixed cover, be provided with the perforation corresponding with pin (4) on insulating limiting plate (5), outer insulating sleeve (52) cover the perforation inner wall.
3. A high frequency transformer capable of preventing pin damage according to claim 2, wherein: the inner heat-conducting plate (51) is made of an aluminum alloy.
4. A high frequency transformer capable of preventing pin damage according to claim 2, wherein: the outer insulating sleeve (52) and the shock absorption spacer (6) are integrally arranged and are made of insulating heat-conducting silica gel.
5. A high frequency transformer capable of preventing pin damage according to claim 1, wherein: the outer wall of the longitudinal sliding rod (71) is integrally provided with a reinforcing rib (13), and the longitudinal sliding rod (71) and the reinforcing rib (13) are both made of aluminum alloy.
6. A high frequency transformer capable of preventing pin damage according to claim 1, wherein: a protective sleeve (14) is fixedly arranged between the top of the insulation limiting plate (5) and the lower surface of the framework (1), the protective sleeve (14) is arranged to be in an organ shape, and exhaust holes (15) are formed in the front side wall and the rear side wall of the protective sleeve (14).
7. A high frequency transformer capable of preventing pin damage according to claim 6, wherein: the protective sleeve (14) is made of insulating heat-conducting silica gel.
CN202110519976.XA 2021-05-13 2021-05-13 High-frequency transformer capable of preventing pins from being damaged Active CN113257539B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114093629B (en) * 2021-11-22 2023-08-15 天长市优信电器设备有限公司 High-frequency transformer and assembling method thereof

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6462975B1 (en) * 2001-05-23 2002-10-08 Hon Hai Precisionind. Co., Ltd. Foldable transformer
CN206379263U (en) * 2017-01-20 2017-08-04 东莞市通茂电子有限公司 A kind of SMD transformer
CN207637587U (en) * 2017-12-31 2018-07-20 广东贝斯特电气有限公司 A kind of high-tension transformer coil rack
CN208271704U (en) * 2018-05-02 2018-12-21 深圳市华之创电子科技有限公司 A kind of high frequency transformer
CN208637294U (en) * 2018-09-11 2019-03-22 鹰潭慧盈电子科技有限公司 A kind of transformer for preventing connector lug from falling off
CN208706375U (en) * 2018-08-28 2019-04-05 深圳市兴旺盛科技有限公司 A kind of inductor understructure
CN209015813U (en) * 2018-10-25 2019-06-21 重庆市馨虹盛电子科技有限公司 A kind of transformer PIN foot protective device
CN209729697U (en) * 2019-03-19 2019-12-03 铜陵市晶汇电子有限公司 A kind of electronic power supply transformer with solidus structure
CN210628029U (en) * 2019-12-12 2020-05-26 广州爱磁电子有限公司 High-frequency transformer with high reliability
CN212624651U (en) * 2020-06-24 2021-02-26 镇江恒泽光电有限公司 Novel LED paster charactron
CN213093191U (en) * 2020-09-10 2021-04-30 深圳兴磊科技有限公司 MCU chip capable of reducing power consumption

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6462975B1 (en) * 2001-05-23 2002-10-08 Hon Hai Precisionind. Co., Ltd. Foldable transformer
CN206379263U (en) * 2017-01-20 2017-08-04 东莞市通茂电子有限公司 A kind of SMD transformer
CN207637587U (en) * 2017-12-31 2018-07-20 广东贝斯特电气有限公司 A kind of high-tension transformer coil rack
CN208271704U (en) * 2018-05-02 2018-12-21 深圳市华之创电子科技有限公司 A kind of high frequency transformer
CN208706375U (en) * 2018-08-28 2019-04-05 深圳市兴旺盛科技有限公司 A kind of inductor understructure
CN208637294U (en) * 2018-09-11 2019-03-22 鹰潭慧盈电子科技有限公司 A kind of transformer for preventing connector lug from falling off
CN209015813U (en) * 2018-10-25 2019-06-21 重庆市馨虹盛电子科技有限公司 A kind of transformer PIN foot protective device
CN209729697U (en) * 2019-03-19 2019-12-03 铜陵市晶汇电子有限公司 A kind of electronic power supply transformer with solidus structure
CN210628029U (en) * 2019-12-12 2020-05-26 广州爱磁电子有限公司 High-frequency transformer with high reliability
CN212624651U (en) * 2020-06-24 2021-02-26 镇江恒泽光电有限公司 Novel LED paster charactron
CN213093191U (en) * 2020-09-10 2021-04-30 深圳兴磊科技有限公司 MCU chip capable of reducing power consumption

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