CN111682628A - Wireless charger - Google Patents
Wireless charger Download PDFInfo
- Publication number
- CN111682628A CN111682628A CN202010647347.0A CN202010647347A CN111682628A CN 111682628 A CN111682628 A CN 111682628A CN 202010647347 A CN202010647347 A CN 202010647347A CN 111682628 A CN111682628 A CN 111682628A
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- China
- Prior art keywords
- monitoring
- cylinder
- cavity
- transmitting coil
- bearing plate
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Classifications
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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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
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- 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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
Abstract
The invention relates to a wireless charger, which comprises a base, a bearing plate, a transmitting coil module and a driving module, wherein the bearing plate is arranged on the base; the base comprises a chassis and a coaming, and a monitoring unit is arranged in the coaming; the monitoring unit comprises a monitoring cylinder, a piston sheet and a linkage rod; the piston sheet seals the monitoring cylinder into a monitoring cavity with variable volume in a sliding way; an identification control chip and a cache cylinder are arranged in the chassis; the buffer cylinder comprises a reset plate and a reset spring; the reset plate seals the buffer cylinder into a buffer cavity with variable volume in a sliding manner; each monitoring cavity is communicated with the cache cavity through a flow guide pipe; a flow identification unit is arranged in each guide pipe; the driving module is electrically connected with the identification control chip; the charger can automatically adjust the relative position of the receiving coil at the mobile phone end and the heating coil of the charger, ensures that the wireless charger has higher charging efficiency, and effectively improves the stability and the charging speed of the wireless charger.
Description
Technical Field
The invention relates to the field of wireless chargers, in particular to a charger capable of improving charging efficiency.
Background
With the further development of science and technology, the power transmission efficiency of wireless charging is greatly improved, and wireless charging equipment also enters the lives of people from laboratories; the wireless charging is based on the electromagnetic induction principle, a transmitting coil on a charger is arranged opposite to a receiving coil on a receiving end, an alternating magnetic field is generated through alternating current, and electric energy is transmitted through the alternating magnetic field; the power transmission efficiency in this manner is greatly reduced due to the mismatch in the positions of the transmitter coil and the receiver coil.
The traditional wireless charger omits the pairing operation of a charging head and a charging seat, omits the constraint of a charging wire, and is convenient for the life of people to a certain extent; in practical use, however, the mobile phone still needs to be carefully placed in the center of the wireless charging panel, so that the higher charging efficiency can be ensured; if the table top is inclined or dislocated due to shaking, the charging efficiency is sharply reduced; and therefore is not as convenient as it might be in actual practice.
Disclosure of Invention
In order to solve the problems, the invention provides a wireless charger which can automatically adjust the relative position of a receiving coil at a mobile phone end and a heating coil of the charger, ensure higher charging efficiency of the wireless charger, and effectively improve the stability and the charging speed of the wireless charger.
A wireless charger comprises a base, a bearing plate, a transmitting coil module, a driving module and a power line; the transmitting coil module and the driving module are electrically connected with the power line;
the base comprises a chassis and a coaming, and monitoring units are arranged in the coaming in an equidistant array manner;
the monitoring unit comprises a monitoring cylinder, a piston sheet arranged in the monitoring cylinder in a sliding manner and a linkage rod;
the piston sheet of each detection unit is matched with the detection cylinder to seal the monitoring cylinder into a monitoring cavity with variable volume in a sliding way;
one end of the linkage rod is connected with the piston sheet, and the other end of the linkage rod is hinged with the bearing plate; under the support of the linkage rod, the bearing plate is not contacted with the coaming on the base in a natural state;
an identification control chip and a cache cylinder are arranged in the chassis;
the buffer cylinder comprises a reset plate and a reset spring; two ends of the reset spring are respectively connected with the reset plate and the chassis;
the reset plate is matched with the cache cylinder to seal the cache cylinder into a cache cavity with variable volume in a sliding manner;
each monitoring cavity is communicated with the cache cavity through a flow guide pipe; a closed space formed by the monitoring cavity, the flow guide pipe and the buffer cavity is filled with monitoring liquid;
a flow identification unit is arranged in each guide pipe; each flow identification unit is electrically connected with the identification control chip; the driving module is electrically connected with the identification control chip; the identification control chip analyzes and processes the information transmitted by the flow identification unit, transmits a control signal to the driving module, and drives the transmitting coil module to slide along the surface of the chassis by the driving module.
The technical content is explained as follows:
1. the driving module has various forms, can adopt a mechanical arm telescopic control form, a mechanical arm bending and extending control form, a support and sliding rod matched control form, and a driving wheel or driving crawler belt driving control form; the invention concept of the driving module is to provide a structure that the driving module can drive the transmitting coil module to move horizontally.
Preferably, two groups of adjusting sliding grooves are formed in the shell of the transmitting coil module, and the axes of the two groups of adjusting sliding grooves are orthogonal or are perpendicular to different surfaces;
the driving module comprises two groups of telescopic arms, and the telescopic arms are respectively matched with the adjusting chutes in a one-to-one manner; the end part of the telescopic arm forms a push-pull head which is arranged in the corresponding adjusting sliding chute in a sliding way;
the two groups of telescopic arms draw the transmitting coil module to translate in the x and y directions through the push-pull head respectively, and then the movement adjustment control of the transmitting coil module is realized.
Preferably, the number of the monitoring units is 3-36;
preferably, the monitoring liquid is light insulating oil;
preferably, the upper end of the coaming is provided with a dustproof film; so as to reduce the entry of dust into the interior of the charger.
The invention has the beneficial effects that: placing intelligent equipment such as a mobile phone and the like supporting wireless charging on a bearing plate, wherein the bearing plate is pressed to move downwards under the action of gravity of the intelligent equipment and pushes a piston plate to move downwards through a linkage rod, so that monitoring liquid in a monitoring cavity enters a cache cavity through a flow guide pipe, a reset plate slides, and a reset spring deforms; in the flow monitoring process of the liquid, the flow identification unit records the amount of the liquid flowing through each flow guide pipe and transmits the information to the identification control chip; after the intelligent equipment is taken away, the reset spring and the reset plate are restored to the original state, the monitoring liquid flows back in the original way, and the wireless charger is reset at the moment.
In the actual charging process, if a user randomly places the mobile phone on the bearing plate, the position of the mobile phone always deviates to a certain degree from the center of the bearing plate, at the moment, the gravity of the mobile phone does not act on the center of the bearing plate, and the bearing plate deviates to a certain degree in the downward moving process; when the bearing plate deflects, the downward moving degrees of the piston plates in the monitoring units are different, and the flow of the monitoring liquid in the guide pipes is different; for example, when the mobile phone is close to the left side of the center of the bearing plate, the piston plate in the monitoring unit on the left side of the center of the bearing plate will slide down more, and the corresponding flow guide pipe will flow through more monitoring liquid; meanwhile, the closer the mobile phone is to the edge of the bearing plate, the larger the difference value of the monitoring liquid flowing through each flow guide pipe is, and the closer the mobile phone is to the center of the bearing plate, the closer the monitoring liquid flowing through each flow guide pipe is; therefore, the identification control chip can judge the position of the mobile phone at the center of the bearing plate and the distance deviating from the center of the bearing plate according to the data transmitted by each flow identification unit, and further determine the position of the mobile phone at the bearing plate; after the information is obtained, the identification control chip controls the driving module to drive the transmitting coil module to slide along the surface of the chassis, so that the transmitting coil of the wireless charger is in direct alignment with the receiving coil of the intelligent equipment, and high-speed charging is realized.
In conclusion, after intelligent equipment such as a mobile phone and the like is placed on the bearing plate, the invention can intelligently and automatically adjust internal elements and promote the transmitting coil and the receiving coil to be opposite, thereby improving the efficiency and the convenience degree of wireless charging; meanwhile, in the wireless charging process, if the wireless charger or the intelligent equipment moves secondarily due to collision, the wireless charging system can also adjust in real time according to the information transmitted by the flow identification unit, so that the stability of wireless charging is ensured.
Drawings
FIG. 1 is a side cross-sectional structural view of an embodiment of the present invention.
Fig. 2 is a schematic top view of an embodiment of the present invention.
Detailed Description
Examples
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further explained and illustrated by the following embodiments and the accompanying drawings; the specific embodiments mentioned are only for explanation and do not limit the scope of the invention.
Although the existing wireless charging equipment can omit the constraint of a power line, the equipment still needs to be accurately aligned during charging, if the alignment is not enough, the charging efficiency is rapidly reduced, and the equipment is inconvenient in actual operation.
To this end, as shown in fig. 1 and 2, in one embodiment of the invention,
a wireless charger comprises a base 1, a bearing plate 2, a transmitting coil module 3, a driving module 4 and a power line; the transmitting coil module 3 and the driving module 4 are electrically connected with a power line; the bearing plate 2 and the base 1 are coaxially arranged;
the base 1 comprises a chassis 11 and a coaming 12, and a dustproof film for reducing dust entering is arranged at the upper end of the coaming 12; 12 monitoring units 5 are arranged in the enclosing plate 12 in an equidistant array;
the monitoring unit 5 comprises a monitoring cylinder 51, a piston sheet 52 arranged in the monitoring cylinder 51 in a sliding manner, and a linkage rod 53;
the piston sheet 52 of each detection unit 5 is matched with the detection cylinder 51 to seal the monitoring cylinder 51 in a sliding way to form a monitoring cavity 54 with variable volume;
one end of the linkage rod 53 is connected with the piston sheet 52, and the other end is hinged with the bearing plate 2; under the support of the linkage rod 53, the bearing plate 2 is not contacted with the coaming 12 on the base 1 in a natural state;
an identification control chip 111 and a cache cylinder 6 are arranged in the chassis 11;
the buffer cylinder 6 comprises a reset plate 61 and a reset spring 62; two ends of the return spring 62 are respectively connected with the return plate 61 and the chassis 11;
the reset plate 61 is matched with the cache cylinder 6 to seal the cache cylinder 6 into a cache cavity 63 with variable volume in a sliding manner;
each monitoring cavity 54 is communicated with the cache cavity 63 through a flow guide pipe 7; the closed space formed by the monitoring cavity 54, the draft tube 7 and the buffer cavity 63 is filled with monitoring liquid; in this embodiment, the monitoring liquid is light insulating oil, and may also be other liquids such as pure water;
a flow rate recognition unit 71 is provided in each of the draft tubes 7; each flow identification unit 71 is electrically connected with the identification control chip 111;
in this embodiment, two sets of adjusting sliding grooves are formed in the housing of the transmitting coil module 3, and the axes of the two sets of adjusting sliding grooves are orthogonal or are perpendicular to each other; the driving module 4 comprises two groups of telescopic arms 41, the axes of the two groups of telescopic arms 41 are mutually vertical, and the telescopic arms 41 are respectively matched with the adjusting sliding grooves in a one-to-one manner; the end of the telescopic arm 41 forms a push-pull head which is arranged in the corresponding adjusting sliding chute in a sliding manner; the axis of the telescopic arm 41 is vertical to the axis of the adjusting chute matched with the telescopic arm, and the transmitting coil module 3 is driven to translate by the push-pull belt in the telescopic process of the telescopic arm along the axis of the telescopic arm.
In the working process, the identification control chip 111 analyzes and processes the information transmitted by the flow identification unit 71 and then transmits a control signal to the driving module 4, and the two groups of telescopic arms 41 on the driving module 4 pull the transmitting coil module 3 to respectively translate in the x direction and the y direction through the push-pull head, so that the transmitting coil module moves and adjusts and controls along the surface of the chassis.
Placing intelligent equipment such as a mobile phone supporting wireless charging on a bearing plate 2, wherein the bearing plate 2 is pressed to move downwards under the action of gravity of the intelligent equipment, and a piston plate is pushed to move downwards through a linkage rod 53, so that monitoring liquid in a monitoring cavity 54 enters a cache cavity through a guide pipe 7, a reset plate 61 slides, and a reset spring 62 deforms; in the flow process of the monitoring liquid, the flow identification unit 71 records the amount of the liquid flowing through each flow guide pipe 7 and transmits the information to the identification control chip 111, and the identification control chip 111 controls the driving module 4 to adjust the position of the transmitting coil module 3 according to the information, so that the high-speed charging is realized; after the intelligent device is taken away, the reset spring 62 and the reset plate 61 are reset to the original state, the monitoring liquid flows back in the original way, and the wireless charger is reset at the moment.
In the actual charging process, if a user randomly places the mobile phone on the bearing plate 2, the position of the mobile phone always deviates to a certain extent from the center of the bearing plate 2, and the gravity of the mobile phone does not act on the center of the bearing plate 2, so that the bearing plate 2 deviates to a certain extent in the downward moving process; when the bearing plate 2 is inclined, the downward moving degrees of the piston plates in the monitoring units 5 are different, and the flow rates of the monitoring liquid in the flow guide pipes 7 are different; for example, when the mobile phone is close to the left side of the center of the bearing plate 2, the piston plate in the monitoring unit 5 located at the left side of the center of the bearing plate 2 will move down more, and the corresponding flow guide tube 7 will flow through more monitoring liquid; meanwhile, the closer the mobile phone is to the edge of the bearing plate 2, the larger the difference of the monitoring liquid flowing through each flow guide pipe 7 is, the closer the mobile phone is to the center of the bearing plate 2, the smaller the difference of the monitoring liquid flowing through each flow guide pipe 7 is, and the positive correlation relationship is formed between the change of the difference and the distance of the mobile phone from the center of the bearing plate 2; therefore, the identification control chip 111 can correspondingly determine what position the mobile phone is located at the center of the bearing plate 2 and the distance deviating from the center of the bearing plate 2 according to the data transmitted by each flow identification unit 71, and further determine the position of the mobile phone at the bearing plate 2; after the position of the mobile phone is known, the recognition control chip 111 controls the driving module to drive the transmitting coil module 3 to slide along the surface of the chassis 11 until the transmitting coil module 3 moves to the position right below the intelligent device; therefore, the transmitting coil of the wireless charger is in direct alignment with the receiving coil of the intelligent device, and high-speed charging is achieved.
In this embodiment, the telescopic arms 41 can control the transmitting coil module 3 to move by telescoping, and the two groups of telescopic arms 41 can respectively push and pull the transmitting coil module 3 in the x and y directions, thereby realizing free movement on the plane of the chassis 11; for example, when one telescopic arm 41 drives the transmitting coil module 3 to move in the x direction by telescoping, the push head of the other telescopic arm 41 slides relative to the adjusting chute, so that the position of the transmitting coil module 3 in the y direction is not changed, and independent adjustment in a single direction is realized; the two telescopic arms 41 cooperate and cooperate to realize the two-dimensional motion of the transmitting coil module 3 on the plane.
It should be noted that, in addition to the driving module structure disclosed in this embodiment by way of example, the "driving module" may have various forms, which may be a form of controlling the bending and extension of the mechanical arm, a form of controlling the support and the sliding rod in a matching manner, or a form of controlling the driving of the driving wheel or the driving track; the invention concept of the driving module is to provide a structure that the driving module can drive the transmitting coil module to move horizontally.
In conclusion, after intelligent equipment such as a mobile phone and the like is placed on the bearing plate, the invention can intelligently and automatically adjust internal elements and promote the transmitting coil and the receiving coil to be opposite, thereby improving the efficiency and the convenience degree of wireless charging and effectively reducing the matching difficulty of a wireless charger and the intelligent equipment; more importantly, in the wireless charging process, if the wireless charger or the intelligent device moves secondarily due to collision, the position of the intelligent device on the bearing plate 2 changes, the intelligent device can again drive the piston plate in the detection unit to move in the moving process, and then the corresponding flow guide pipe 7 can again monitor the liquid flowing through; the invention can adjust the position of the transmitting coil module 3 in the wireless charger in real time again according to the information transmitted by the flow identification unit 71, thereby ensuring the stability of wireless charging.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A wireless charger comprises a base, a bearing plate, a transmitting coil module, a driving module and a power line; the transmitting coil module and the driving module are electrically connected with the power line; the method is characterized in that:
the base comprises a chassis and a coaming, and monitoring units are arranged in the coaming in an equidistant array manner;
the monitoring unit comprises a monitoring cylinder, a piston sheet arranged in the monitoring cylinder in a sliding manner and a linkage rod;
the piston sheet of each detection unit is matched with the detection cylinder to seal the monitoring cylinder into a monitoring cavity with variable volume in a sliding way;
one end of the linkage rod is connected with the piston sheet, and the other end of the linkage rod is hinged with the bearing plate; under the support of the linkage rod, the bearing plate is not contacted with the coaming on the base in a natural state;
an identification control chip and a cache cylinder are arranged in the chassis;
the buffer cylinder comprises a reset plate and a reset spring; two ends of the reset spring are respectively connected with the reset plate and the chassis;
the reset plate is matched with the cache cylinder to seal the cache cylinder into a cache cavity with variable volume in a sliding manner;
each monitoring cavity is communicated with the cache cavity through a flow guide pipe; a closed space formed by the monitoring cavity, the flow guide pipe and the buffer cavity is filled with monitoring liquid;
a flow identification unit is arranged in each guide pipe; each flow identification unit is electrically connected with the identification control chip;
the identification control chip analyzes and processes the information transmitted by the flow identification unit, transmits a control signal to the driving module, and drives the transmitting coil module to slide along the surface of the chassis by the driving module.
2. The wireless charger of claim 1, wherein: two groups of adjusting sliding grooves are formed in the shell of the transmitting coil module, and the axes of the two groups of adjusting sliding grooves are orthogonal or are perpendicular in different planes; the driving module comprises two groups of telescopic arms, and the telescopic arms are respectively matched with the adjusting chutes in a one-to-one manner; the end part of the telescopic arm forms a push-pull head which is arranged in the corresponding adjusting sliding chute in a sliding way; the two groups of telescopic arms draw the transmitting coil module to translate in the x and y directions through the push-pull head respectively, and then the movement adjustment control of the transmitting coil module is realized.
3. The wireless charger according to claim 1 or 2, wherein: the number of the monitoring units is 3-36.
4. The wireless charger of claim 3, wherein: the monitoring liquid is light insulating oil.
5. The wireless charger of claim 3, wherein: the upper end of the coaming is provided with a dustproof film; so as to reduce the entry of dust into the interior of the charger.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922318204 | 2019-12-22 | ||
| CN2019223182040 | 2019-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111682628A true CN111682628A (en) | 2020-09-18 |
Family
ID=72438217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010647347.0A Withdrawn CN111682628A (en) | 2019-12-22 | 2020-07-07 | Wireless charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111682628A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054760A (en) * | 2021-03-25 | 2021-06-29 | 上海鸣釜科技有限公司 | Wireless charger with automatic alignment function |
| CN113257046A (en) * | 2021-04-07 | 2021-08-13 | 顺德职业技术学院 | Power supply base for teaching equipment |
-
2020
- 2020-07-07 CN CN202010647347.0A patent/CN111682628A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054760A (en) * | 2021-03-25 | 2021-06-29 | 上海鸣釜科技有限公司 | Wireless charger with automatic alignment function |
| CN113257046A (en) * | 2021-04-07 | 2021-08-13 | 顺德职业技术学院 | Power supply base for teaching equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200918 |