CN114567047A - Mobile phone charger convenient to dissipate heat - Google Patents
Mobile phone charger convenient to dissipate heat Download PDFInfo
- Publication number
- CN114567047A CN114567047A CN202210257420.2A CN202210257420A CN114567047A CN 114567047 A CN114567047 A CN 114567047A CN 202210257420 A CN202210257420 A CN 202210257420A CN 114567047 A CN114567047 A CN 114567047A
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- Prior art keywords
- heat dissipation
- wire
- semiconductor
- mobile phone
- type element
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- H02J7/70—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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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
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本发明公开了一种便于散热型手机充电器，涉及手机充电器技术领域，包括主体，所述主体的前端外表面设置有半导体散热装置，所述半导体散热装置的上方设置有收线机构，所述主体的上端外表面设置有插槽，所述主体的一侧设置有无线感应充电装置，所述主体的下端设置有插头。本发明通过金属导体、绝缘陶瓷片、散热条和半导体的共同作用下，可以使充电器快速散热，从而达到降温的作用，因半导体中的N型元件有多余的电子，有负温差电势，P型元件电子不足，有正温差电势；所以当充电器接入电源时，电子从P型元件通过导线穿过结点至N型元件时，温度会降低，并且能够放热，从而达到吸热降温的作用。
The invention discloses a mobile phone charger with convenient heat dissipation, which relates to the technical field of mobile phone chargers. The upper outer surface of the main body is provided with a slot, one side of the main body is provided with a wireless inductive charging device, and the lower end of the main body is provided with a plug. Through the joint action of metal conductors, insulating ceramic sheets, heat dissipation strips and semiconductors, the invention can quickly dissipate heat from the charger, thereby achieving the effect of cooling. The P-type element has insufficient electrons and has a positive temperature difference potential; so when the charger is connected to the power supply, when the electrons pass through the junction from the P-type element through the wire to the N-type element, the temperature will decrease, and heat can be released, so as to achieve endothermic cooling effect.
Description
Technical Field
The invention relates to the technical field of mobile phone chargers, in particular to a mobile phone charger convenient to dissipate heat.
Background
Along with the development and progress of science and technology, electronic products become essential products in life of people, a mobile phone is taken as an essential electronic product for people to go out, a mobile phone charger is naturally few, the mobile phone charger is composed of a stable power supply and necessary control circuits of constant current, voltage limitation, time limitation and the like, and the mobile phone charger can be roughly divided into a travel charger, a seat type charger, a usb charger and a maintenance type charger. The following problems exist in the prior art:
1. the existing mobile phone charger is hot due to long-term use, and heat cannot be dissipated, so that internal devices of the charger are damaged, and the service life of the charger is shortened;
2. the charging wire can not be stored when not in use due to the fact that the charging wire and the charger are integrated, and the charging wire joint is easy to damage.
Disclosure of Invention
The invention provides a mobile phone charger convenient for heat dissipation, which has a heat dissipation function and solves the problem that the charger is hot; wherein another kind of purpose is in order to solve the unable problem of depositing of charging wire to reach the effect of being convenient for receive the line.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a mobile phone charger convenient to dissipate heat comprises a main body, wherein a semiconductor heat dissipation device is arranged on the outer surface of the front end of the main body, a wire rewinding mechanism is arranged above the semiconductor heat dissipation device, a slot is formed in the outer surface of the upper end of the main body, a wireless induction charging device is arranged on one side of the main body, and a plug is arranged at the lower end of the main body; the wire rewinding mechanism comprises a groove plate, a pressing block, a pushing block, a wire rewinding cylinder and a buckle, wherein the pressing block is positioned on the inner side of the groove plate, and the wire rewinding cylinder is positioned at the rear end of the groove plate; and a screw is arranged between the wire rewinding cylinder and the groove plate, two sides of the wire rewinding cylinder are fixedly connected with the rear end of the groove plate through the screw, and the inner side of the groove plate is fixedly connected with the lower end of the pressing block through a welding block.
The technical scheme of the invention is further improved as follows: the buckle is located one side of compact heap, the ejector pad is located one side of recess board.
The technical scheme of the invention is further improved as follows: the groove pressing block is characterized in that a welding block is arranged between the groove plate and the pushing block, one side of the groove plate is fixedly connected with one side of the pushing block through the welding block, a notch is formed between the buckle and the pressing block, and one side of the pressing block is detachably connected with one side of the buckle through the notch.
The technical scheme of the invention is further improved as follows: the wireless induction charging device comprises a half-bridge module, an emitter, a receiving module, a rectifier, a filter and a communication module, wherein the emitter is located on one side of the half-bridge module, the receiving module is located at the upper end of the emitter, the rectifier is located at the upper end of the receiving module, the filter is located on one side of the rectifier, and the communication module is located at the lower end of the filter.
The technical scheme of the invention is further improved as follows: be provided with the electric wire between half-bridge module and the transmitter, the output of half-bridge module passes through the input electric connection of electric wire and transmitter, be provided with the connecting wire between transmitter and the receiving module, the output of transmitter passes through the input electric connection of connecting wire and receiving module, be provided with the electric wire between receiving module and the rectifier, the output of receiving module passes through the input electric connection of electric wire and rectifier, the output of wave filter passes through inductor and communication module's input signal connection.
The technical scheme of the invention is further improved as follows: the semiconductor heat dissipation device comprises a metal conductor, an insulating ceramic piece, a heat dissipation strip and a semiconductor, wherein the insulating ceramic piece is located at the upper end of the metal conductor, the semiconductor is located at the lower end of the metal conductor, and the heat dissipation strip is located at the lower end of the semiconductor.
The technical scheme of the invention is further improved as follows: be provided with the super glue between metallic conductor and the insulating ceramic piece, the lower extreme fixed connection of super glue and insulating ceramic piece is passed through to metallic conductor's upper end, be provided with the interface between semiconductor and the metallic conductor, the lower extreme fixed connection of interface and metallic conductor is passed through to semiconductor's upper end, be provided with the fixed glue between heat dissipation strip and the semiconductor, the upper end fixed connection of fixed glue and heat dissipation strip is passed through to semiconductor's lower extreme.
The technical scheme of the invention is further improved as follows: the semiconductor comprises a P-type element, a copper connecting sheet, a lead, an N-type element and a chip, wherein the copper connecting sheet is located on one side of the P-type element, the lead is located above the P-type element, the N-type element is located at the upper end of the lead, and the chip is located on one side of the lead.
The technical scheme of the invention is further improved as follows: a welding block is arranged between the copper connecting sheet and the P-type element, one side of the copper connecting sheet is fixedly connected with one side of the P-type element through the welding block, and the upper end of the P-type element is electrically connected with the lower end of the N-type element through a lead.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a mobile phone charger convenient for heat dissipation, which can store a charging wire in a winding mode under the combined action of a groove plate, a pressing block, a pushing block, a wire collecting cylinder and a buckle, so that the length of the charging wire is shortened, the charging wire is convenient to carry, the charging wire is wound on the surface of the wire collecting cylinder, the part of the charging wire wound to the last surplus is placed between the pressing block and the groove plate and clamped, the charging wire is not easy to be exposed in the air for a long time, meanwhile, the dustproof and waterproof effects are achieved, and the wire is fixedly bound by the buckle, so that the wire is prevented from falling off in the carrying process of the charging wire.
2. The invention provides a mobile phone charger convenient for heat dissipation, which can quickly dissipate heat of the charger under the combined action of a metal conductor, an insulating ceramic plate, a heat dissipation strip and a semiconductor, thereby achieving the effect of cooling, preventing internal devices of the charger from being damaged due to overhigh temperature, simultaneously playing the role of insulation through the effect of the insulating ceramic plate, avoiding the phenomenon of electric leakage, and having higher safety mechanism; therefore, when the charger is connected to a power supply, the temperature of the electrons can be reduced when the electrons pass through the junction from the P-type element to the N-type element through the conducting wire, and heat can be released, so that the effects of absorbing heat and reducing temperature are achieved.
3. The invention provides a mobile phone charger convenient for heat dissipation, which can enable a mobile phone to be charged remotely under the combined action of a half-bridge module, a transmitter, a receiving module, a rectifier, a filter and a communication module, does not need to be connected and charged through a charging wire, enables the charger to be more convenient to use, only needs to connect the charger to a power supply, transmits a current signal through the transmitter by the half-bridge module, receives the current signal through the receiving module, conducts the current signal again and respectively conducts the current signal into the rectifier and the filter, and because the mobile phone and the communication module are connected through signals, when the filter transmits the current signal to the communication module, the mobile phone can automatically receive the current signal, thereby achieving the purpose of charging and being very intelligent.
Drawings
FIG. 1 is a schematic diagram of a heat dissipation-facilitating mobile phone charger according to the present invention;
FIG. 2 is a schematic structural view of a take-up mechanism according to the present invention;
FIG. 3 is a schematic diagram of a semiconductor structure according to the present invention;
FIG. 4 is a schematic structural diagram of a semiconductor heat dissipation device according to the present invention;
fig. 5 is a schematic structural diagram of a wireless inductive charging device according to the present invention.
In the figure: 1. a main body; 2. inserting slots; 3. a take-up mechanism; 31. a groove plate; 32. a compression block; 33. a push block; 34. a take-up drum; 35. buckling; 4. a wireless inductive charging device; 41. a half-bridge module; 42. a transmitter; 43. a receiving module; 44. a rectifier; 45. a filter; 46. a communication module; 5. a plug; 6. a semiconductor heat sink; 61. a metal conductor; 62. an insulating ceramic sheet; 63. a heat dissipating strip; 64. a semiconductor; 641. a P-type element; 642. a copper connecting sheet; 643. a wire; 644. an N-type element; 645. and (3) a chip.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-5, the invention provides a mobile phone charger convenient for heat dissipation, which comprises a main body 1, wherein a semiconductor heat dissipation device 6 is arranged on the outer surface of the front end of the main body 1, a wire take-up mechanism 3 is arranged above the semiconductor heat dissipation device 6, a slot 2 is arranged on the outer surface of the upper end of the main body 1, a wireless induction charging device 4 is arranged on one side of the main body 1, and a plug 5 is arranged at the lower end of the main body 1; the take-up mechanism 3 comprises a groove plate 31, a pressing block 32, a pushing block 33, a take-up cylinder 34 and a buckle 35, wherein the pressing block 32 is positioned at the inner side of the groove plate 31, and the take-up cylinder 34 is positioned at the rear end of the groove plate 31; be provided with the screw between a receipts line section of thick bamboo 34 and the recess board 31, the rear end fixed connection of screw and recess board 31 is passed through to the both sides of a receipts line section of thick bamboo 34, the lower extreme fixed connection of welding piece and compact heap 32 is passed through to the inboard of recess board 31, buckle 35 is located one side of compact heap 32, ejector pad 33 is located one side of recess board 31, be provided with the welding piece between recess board 31 and the ejector pad 33, one side fixed connection of welding piece and ejector pad 33 is passed through to one side of recess board 31, be provided with the notch between buckle 35 and the compact heap 32, one side of compact heap 32 is passed through the notch and can be dismantled with one side of buckle 35 and be connected.
In this embodiment, can pass through the winding mode with it storage with the charging wire, make its length shorten, be convenient for carry it, twine the charging wire on receiving a line section of thick bamboo 34 surface, and will twine to last remaining charging wire connector part and place between compact heap 32 and recess board 31, press from both sides it tightly, make it be difficult for exposing for a long time in the air, also can play dustproof and waterproof's effect simultaneously, and bind by buckle 35 fixed to the line, thereby prevent that the line from droing in the process of carrying the charging wire.
Example 2
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the wireless inductive charging device 4 includes a half-bridge module 41, a transmitter 42, a receiving module 43, a rectifier 44, a filter 45, and a communication module 46, the transmitter 42 is located at one side of the half-bridge module 41, the receiving module 43 is located at the upper end of the transmitter 42, the rectifier 44 is located at the upper end of the receiving module 43, the filter 45 is located at one side of the rectifier 44, the communication module 46 is located at the lower end of the filter 45, an electric wire is disposed between the half-bridge module 41 and the transmitter 42, an output end of the half-bridge module 41 is electrically connected to an input end of the transmitter 42 through the electric wire, a connecting wire is disposed between the transmitter 42 and the receiving module 43, an output end of the transmitter 42 is electrically connected to an input end of the receiving module 43 through the connecting wire, an electric wire is disposed between the receiving module 43 and the rectifier 44, an output end of the receiving module 43 is electrically connected to an input end of the rectifier 44 through the electric wire, the output of the filter 45 is signal connected to the input of the communication module 46 via an inductor.
In this embodiment, can make the cell-phone can remote charging, need not to connect through the charging wire and charge, it is more convenient to make the charger use, only need to insert the power with the charger, then half-bridge module 41 transmits current signal through transmitter 42, and receive it by receiving module 43, and conduct again, conduct respectively to rectifier 44 and wave filter 45 in, because of passing through signal connection between cell-phone and the communication module 46, so when wave filter 45 carries current signal to communication module 46, the cell-phone then can automatic reception, thereby reach the purpose of charging, it is very intelligent.
Example 3
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the semiconductor heat sink 6 includes a metal conductor 61, an insulating ceramic sheet 62, a heat sink 63, and a semiconductor 64, the insulating ceramic sheet 62 is located at the upper end of the metal conductor 61, the semiconductor 64 is located at the lower end of the metal conductor 61, the heat sink 63 is located at the lower end of the semiconductor 64, a strong glue is disposed between the metal conductor 61 and the insulating ceramic sheet 62, the upper end of the metal conductor 61 is fixedly connected to the lower end of the insulating ceramic sheet 62 by the strong glue, an interface is disposed between the semiconductor 64 and the metal conductor 61, the upper end of the semiconductor 64 is fixedly connected to the lower end of the metal conductor 61 by the interface, a fixing glue is disposed between the heat sink 63 and the semiconductor 64, the lower end of the semiconductor 64 is fixedly connected to the upper end of the heat sink 63 by the fixing glue, the semiconductor 64 includes a P-type element 641, a copper connecting sheet 642, a lead 643, an N-type element 644, and a chip 645, the copper connecting sheet 642 is located at one side of the P-type element 641, the lead 643 is located above the P-type element 641, the N-type element 644 is located at the upper end of the lead 643, the chip 645 is located at one side of the lead 643, a solder bump is arranged between the copper connecting sheet 642 and the P-type element 641, one side of the copper connecting sheet 642 is fixedly connected with one side of the P-type element 641 through the solder bump, and the upper end of the P-type element 641 is electrically connected with the lower end of the N-type element 644 through the lead 643.
In this embodiment, the charger can dissipate heat quickly, so as to achieve the effect of cooling, and can also prevent internal devices of the charger from being damaged due to overhigh temperature, and simultaneously, the charger can also play an insulating role through the effect of the insulating ceramic sheet 62, so as to avoid the electric leakage phenomenon, and the safety mechanism is high, because the N-type element 644 in the semiconductor 64 has redundant electrons, has a negative temperature difference potential, and the P-type element 641 has insufficient electrons and has a positive temperature difference potential; when the charger is powered on, the temperature of the electrons passing through the junction from the P-type element 641 to the N-type element 644 through the wire 643 is reduced, and heat can be released, so that the effect of heat absorption and temperature reduction is achieved.
The working principle of the portable phone charger convenient for heat dissipation is described in detail below.
As shown in fig. 1-5, when the mobile phone charger is in use, the charging wire can be stored by winding through the winding mechanism 3, so that the length of the charging wire is shortened, the charging wire is convenient to carry, the charging wire is wound on the surface of the winding drum 34, the part of the charging wire wound to the last surplus is placed between the pressing block 32 and the groove plate 31, the charging wire is clamped tightly, so that the charging wire is not easy to be exposed in air for a long time, meanwhile, the dustproof and waterproof effects are achieved, the wire is fixedly bound by the buckle 35, so that the wire is prevented from falling off in the carrying process, the mobile phone can be charged remotely through the wireless induction charging device 4, the charging wire is not required to be connected for charging, the charger is more convenient to use, the charger is only required to be connected to a power supply, the half-bridge module 41 transmits a current signal through the transmitter 42 and is received by the receiving module 43, the current signal is transmitted to the communication module 46 by the filter 45, the mobile phone can automatically receive the current signal, so that the charging purpose is achieved, the intelligent effect is achieved, the charger can rapidly dissipate heat through the semiconductor heat dissipation device 6, the cooling effect is achieved, internal devices of the charger can be prevented from being damaged due to overhigh temperature, the insulating effect can be achieved through the insulating ceramic sheet 62, the electric leakage phenomenon is avoided, the safety mechanism is high, and the N-type element 644 in the semiconductor 64 has redundant electrons and negative temperature difference potential, the P-type element 641 has insufficient electrons and positive temperature difference potential; when the charger is powered on, the temperature of the electrons passing through the junction from the P-type element 641 to the N-type element 644 through the wire 643 is reduced, and heat can be released, so that the effect of heat absorption and temperature reduction is achieved.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257420.2A CN114567047A (en) | 2022-03-16 | 2022-03-16 | Mobile phone charger convenient to dissipate heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257420.2A CN114567047A (en) | 2022-03-16 | 2022-03-16 | Mobile phone charger convenient to dissipate heat |
Publications (1)
| Publication Number | Publication Date |
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| CN114567047A true CN114567047A (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210257420.2A Withdrawn CN114567047A (en) | 2022-03-16 | 2022-03-16 | Mobile phone charger convenient to dissipate heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909590A (en) * | 2022-06-10 | 2022-08-16 | 李飞 | Security protection monitoring device for network machine room |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11284235A (en) * | 1998-03-27 | 1999-10-15 | Union Material Kk | Thermoelectric charger and thermoelectric charger integrated secondary battery |
| CN208939600U (en) * | 2017-05-23 | 2019-06-04 | 手持产品公司 | System for beacon and/or the wireless charging of sensor device |
| CN212649145U (en) * | 2020-08-03 | 2021-03-02 | 重庆联懋电子股份有限公司 | Multifunctional mobile phone charger |
| CN212910562U (en) * | 2020-09-02 | 2021-04-06 | 深圳市太维新材料科技有限公司 | Heat dissipation auxiliary device and built-in heat dissipation type charger |
| CN215990285U (en) * | 2021-10-28 | 2022-03-08 | 宿迁双鹰智能电子科技有限公司 | Cell-phone charging wire device with accomodate function |
-
2022
- 2022-03-16 CN CN202210257420.2A patent/CN114567047A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11284235A (en) * | 1998-03-27 | 1999-10-15 | Union Material Kk | Thermoelectric charger and thermoelectric charger integrated secondary battery |
| CN208939600U (en) * | 2017-05-23 | 2019-06-04 | 手持产品公司 | System for beacon and/or the wireless charging of sensor device |
| CN212649145U (en) * | 2020-08-03 | 2021-03-02 | 重庆联懋电子股份有限公司 | Multifunctional mobile phone charger |
| CN212910562U (en) * | 2020-09-02 | 2021-04-06 | 深圳市太维新材料科技有限公司 | Heat dissipation auxiliary device and built-in heat dissipation type charger |
| CN215990285U (en) * | 2021-10-28 | 2022-03-08 | 宿迁双鹰智能电子科技有限公司 | Cell-phone charging wire device with accomodate function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909590A (en) * | 2022-06-10 | 2022-08-16 | 李飞 | Security protection monitoring device for network machine room |
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