CN208971248U - Wireless charging is precious - Google Patents
Wireless charging is precious Download PDFInfo
- Publication number
- CN208971248U CN208971248U CN201821796068.5U CN201821796068U CN208971248U CN 208971248 U CN208971248 U CN 208971248U CN 201821796068 U CN201821796068 U CN 201821796068U CN 208971248 U CN208971248 U CN 208971248U
- Authority
- CN
- China
- Prior art keywords
- wireless
- charging
- die block
- electrically connected
- management
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
It is precious that the utility model discloses a kind of wireless chargings, including；Battery core module, battery core module include at least two secondary cells being cascaded；Die block is gone up and down, lifting die block is electrically connected with battery core module；Management of charging and discharging unit, management of charging and discharging unit are electrically connected with lifting die block；Input interface, battery core module are electrically connected with the pin of input interface；Wired output interface, lifting die block are electrically connected with the pin of wired output interface；The input terminal of wireless output circuit and wireless transmission coil, wireless output circuit is electrically connected with lifting die block, and the output end of wireless output circuit is electrically connected with wireless transmission coil.The battery core module of this wireless charging treasured includes at least two secondary cells being cascaded, to greatly improve the output voltage of battery core module, when needing to be powered wireless output circuit and wireless transmission coil, lifting die block only needs slightly to promote voltage, relatively low to be lost, charge efficiency is also higher.
Description
Technical field
The utility model relates to field of power supplies, and in particular to a kind of wireless charging is precious.
Background technique
Smart phone is widely used in daily life as a kind of common mobile terminal, with intelligence
The extensive use of energy mobile phone, demand of the people to smart phone electricity is also increasing, and charger baby is as most suitable electricity
Supply equipment, also obtains and applies more and more.
Modern society possesses two mobile phone personages and gradually increases, and is only the mode that a mobile phone charges and gradually can not
Meet the actual demand of current user, making and receiving calls in charging, office is surfed the Internet, and amusement and recreation have security risk, wireless charging again
Electricity becomes the direction of future development.
Charger baby and the combination of wireless charging technology form wireless charging treasured and come into being, and wireless charging treasured can be by wireless
The mode of charging is electronic equipment charging, can also be charged by way of wired charging for electronic equipment.Traditional wireless charging
The electric precious wireless charging in order to support 5W to export needs to be arranged inside wireless charging treasured booster circuit for wireless charging treasured
Battery voltage increase to 5V.
However, working as wireless charging transmitting terminal as demand of the current electronic equipment for wireless charging power is increasing
When reaching 7.5W output, booster circuit is needed the voltage increase of the battery of wireless charging treasured to 7.5V, and usual wireless charging
The voltage of electric precious battery is 3V~4.2V, and the too big meeting of the amplitude of voltage increase is so that the loss in boost process is excessive, simultaneously
Bring serious heating problem.
Utility model content
Based on this, it is necessary to provide that a kind of that relatively low wireless charging is lost is precious.
A kind of wireless charging is precious, including；
Battery core module, the battery core module include at least two secondary cells being cascaded；
Die block is gone up and down, the lifting die block is electrically connected with the battery core module；
Management of charging and discharging unit, the management of charging and discharging unit are electrically connected with the lifting die block；
Input interface, the battery core module are electrically connected with the pin of the input interface；
Wired output interface, the lifting die block are electrically connected with the pin of wired output interface；
Wireless output circuit and wireless transmission coil, the input terminal of the wireless output circuit and lifting die block electricity
Connection, the output end of the wireless output circuit are electrically connected with the wireless transmission coil, and the battery core module passes through the liter
Voltage reduction module and the wireless output circuit are powered the wireless transmission coil.
The battery core module of this wireless charging treasured includes at least two secondary cells being cascaded, to be substantially improved
The output voltage of battery core module goes up and down die block when needing to be powered wireless output circuit and wireless transmission coil
It only needs slightly to promote voltage, even without promotion, relative to the voltage for needing to be substantially improved battery to wireless charging
Traditional wireless charging of transmitting terminal power supply is precious, and the loss of this wireless charging treasured is relatively low, and charge efficiency is also higher.
Detailed description of the invention
Fig. 1 is the module principle figure of the wireless charging treasured of an embodiment.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
The embodiment of type is further described.
The wireless charging treasured 100 of an embodiment as shown in Figure 1, including battery core module 101, protection circuit 102, lifting
It is die block 103, management of charging and discharging unit 104, input interface 105, wired output interface 106, wireless output circuit 107, wireless
Transmitting coil 108, fast charge protocol circuit 109 and fast charge output interface 110.
Battery core module 101 includes at least two secondary cells being cascaded.
Secondary cell selects conventional voltage rating for the battery of the commercialization of 3V~4.2V.
Preferably, battery core module 101 is the lithium battery that two voltage ratings being cascaded are 3.6V~3.8V.
In view of battery core module 101 will power for wireless charging transmitting terminal, selecting two voltage ratings is 3.6V~3.8V
Lithium battery be cascaded, the voltage of battery core module 101 can be made to reach 7.2V~7.6V, be very suitable for wireless charging
Electric transmitting terminal power supply, it might even be possible to not have to buck and power directly to wireless charging transmitting terminal.
Protection circuit 102 is directly electrically connected with battery core module 101, other any modules are electrically connected with battery core module 101,
It is all to be realized by protection circuit 102.
Protection circuit 102 is that battery core module 101 provides the protection of last heavy hardware view, and the protective effect is usually soft
It works when part shielding failure.
It is most of all to configure protection circuit 102 in the wireless charging treasured being commercialized at present.But in some embodiments
In, protection circuit 102 also can be omitted, and the protection of battery core module 101 is realized by software protection.
Lifting die block 103 is by protecting circuit 102 to be electrically connected with battery core module 101.
Die block 103 is gone up and down for the boosting and decompression in charge and discharge process.
Preferably, in present embodiment, lifting die block 103 is BUCK-BOOST circuit.
It goes up and down die block 103 and includes high-voltage output end and low-voltage output, wireless transmission coil 108 and fast charge output interface
110 are electrically connected with the high-voltage output end of lifting die block 103, and the low pressure of wired output interface 106 and lifting die block 103 is defeated
Outlet electrical connection.
In general, high-voltage output end refers to that output voltage is greater than 5V (9V, 12V, etc.), and low-voltage output refers to output electricity
Pressure is 5V or so.
Management of charging and discharging unit 104 is electrically connected with lifting die block 103.Management of charging and discharging unit 104 is used for buck
The operating mode of module 103 and output are managed.
The pin of input interface 105 is electrically connected with lifting die block 103.Input interface 105 rises for connecting external power supply
Voltage reduction module 103 is input to battery core module after the voltage that external power supply inputs is adjusted to the slightly above voltage of battery core module 101
101, to realize the charging to battery core module 101.
Wired output interface 106 is for being electrically connected electrical equipment, the pin and lifting die block of wired output interface 106
103 electrical connections.Battery core module 101 charges to electrical equipment by lifting die block 103 and wired output interface 106.
The input terminal of wireless output circuit 107 is electrically connected with lifting die block 103, the output end of wireless output circuit 107
It is electrically connected with wireless transmission coil 108.
Wireless output circuit 107 includes inverter, for being alternating current by DC conversion.
Battery core module 101 sets electricity consumption by lifting die block 103, wireless output circuit 107 and wireless transmission coil 108
It is standby to carry out wireless charging.
The battery core module 101 of this wireless charging treasured 100 includes at least two secondary cells being cascaded, thus greatly
Width improves the output voltage of battery core module 101, when needs supply wireless output circuit 107 and wireless transmission coil 108
When electric, lifting die block 103 only needs slightly to promote voltage, even without promotion, relative to needing to be substantially improved battery core mould
The voltage of block 101 is precious to the traditional wireless charging powered to wireless charging transmitting terminal, the loss phase of this wireless charging treasured
To lower, charge efficiency is also higher.
Preferably, in conjunction with Fig. 1, management of charging and discharging unit 104 is electrically connected with wireless transmission coil 108, wireless to detect
Whether transmitting coil 108 normally exports, and when management of charging and discharging unit 104 detects that wireless transmission coil 108 normally exports
When, management of charging and discharging unit 104 control wired output interface 106 be in trickle charge mode (such as: limit wired output interface 106
Maximum output be 5V/1A).
In general, normally output refers to that the output power of wireless transmission coil 108 is greater than or is equal to wireless transmission coil 108
0.5W。
Preferably, in conjunction with Fig. 1, wireless charging treasured 104 includes fast charge protocol circuit 109 and fast charge output interface 110.
The input terminal of fast charge protocol circuit 109 is electrically connected with lifting die block 103, the output end of fast charge protocol circuit 109
It is electrically connected with the pin of fast charge output interface 110, fast charge protocol circuit 109 is electrically connected with management of charging and discharging unit 104.
After fast charge output interface 110 is inserted into electrical equipment, fast charge protocol circuit 109 can be communicated with electrical equipment,
Confirm whether the electrical equipment supports fast charge and specific fast charge agreement, after shaking hands successfully, fast charge protocol circuit 109 can be incited somebody to action
The charge power of electrical equipment demand feeds back to management of charging and discharging unit 104, the control lifting of management of charging and discharging unit 104 after shaking hands
Die block 103 is exported according to the demand of electrical equipment.
Preferably, in conjunction with Fig. 1, management of charging and discharging unit 104 is electrically connected with fast charge output interface 110, to detect fast charge
Whether output interface 110 normally exports, and when management of charging and discharging unit 104 detects that fast charge output interface 110 normally exports
When, management of charging and discharging unit 103 controls wired output interface 106 and is in trickle charge mode.
In general, fast charge output interface 110 normally output refer to the output power of fast charge output interface 110 be greater than or
Equal to 0.5W.
In conjunction with Fig. 1, in present embodiment, management of charging and discharging unit 104 is to wireless transmission coil 108 and fast charge output interface
110, when detecting that any output power of the two is greater than 0.5W, it is determined as that wireless output or fast charge end work normally,
In order to guarantee that wireless output and fast charge end can preferably work, management of charging and discharging unit 104 can connect wired output at this time
Mouthfuls 106 output is defined so that wired output interface 106 be in trickle charge mode (such as: limit wired output interface 106
Maximum output be 5V/1A).
In general, lifting die block 103 includes high-voltage output end and low-voltage output.
The pin and wireless transmission coil 108 of fast charge output interface 110 are electric with the high-voltage output end of lifting die block 103
Connection.
The low-voltage output of lifting die block 103 is electrically connected with the pin of wired output interface 106.
In conjunction with Fig. 1, due to fast charge output interface 110 pin and wireless transmission coil 108 with lifting die block 103
High-voltage output end electrical connection, at this time if when the fast charge voltage for the electrical equipment demand that fast charge output interface 110 is inserted into is more than 9V
(such as: 12V), the high-voltage output end of lifting die block 103 can export the voltage more than 12V, so as to cause wireless output circuit
107 input terminal receives the voltage of 12V.However, the input voltage that conventional wireless transmitting terminals can be supported is 5V~9V, 12V
Input voltage wireless transmitting terminals can be impacted, to solve the above-mentioned problems, the utility model increases wireless decompression mould
Block (being mark in figure).
The input terminal of the high-voltage output end and wireless output circuit 107 that go up and down die block 103 is real by wireless voltage reduction module
It is now electrically connected, management of charging and discharging unit 104 is electrically connected with wireless voltage reduction module.
When management of charging and discharging unit 104 detects the output voltage of the high-voltage output end of lifting die block 103 greater than 9V,
Management of charging and discharging unit 104 controls wireless voltage reduction module for the voltage drop received down to 5V~9V.
Preferably, wireless voltage reduction module is BUCK circuit.
By the protection of wireless voltage reduction module, excessively high electricity can be exported to avoid the high-voltage output end of buck module 103
Pressure to wireless output circuit 107 and wireless transmission coil 108 to cause to damage.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed
Carefully, but it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the general of this field
For logical technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these are all
Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of wireless charging is precious, which is characterized in that including；
Battery core module, the battery core module include at least two secondary cells being cascaded；
Die block is gone up and down, the lifting die block is electrically connected with the battery core module；
Management of charging and discharging unit, the management of charging and discharging unit are electrically connected with the lifting die block；
Input interface, the lifting die block are electrically connected with the pin of the input interface；
Wired output interface, the lifting die block are electrically connected with the pin of wired output interface；
Wireless output circuit and wireless transmission coil, the input terminal of the wireless output circuit are electrically connected with the lifting die block
It connects, the output end of the wireless output circuit is electrically connected with the wireless transmission coil, and the battery core module passes through the lifting
Die block and the wireless output circuit are powered the wireless transmission coil.
2. wireless charging according to claim 1 is precious, which is characterized in that the secondary cell be voltage rating be 3V~
The lithium battery of 4.2V.
3. wireless charging according to claim 1 is precious, which is characterized in that the battery core module is two and is cascaded
Voltage rating is the lithium battery of 3.6V~3.8V.
4. wireless charging according to claim 1 is precious, which is characterized in that the lifting die block is BUCK-BOOST electricity
Road.
5. wireless charging according to claim 1 is precious, which is characterized in that the management of charging and discharging unit and the wireless hair
Ray circle electrical connection, to detect whether the wireless transmission coil normally exports, and when the management of charging and discharging unit is examined
When measuring the wireless transmission coil and normally exporting, the management of charging and discharging unit controls wired output interface and is in trickle charge
Mode.
6. wireless charging according to claim 1 is precious, which is characterized in that the wireless charging treasured further includes fast charge agreement electricity
Road and fast charge output interface；
The fast charge protocol circuit is electrically connected with the pin of the lifting die block and the fast charge output interface respectively, and institute
Fast charge protocol circuit is stated to be electrically connected with the management of charging and discharging unit.
7. wireless charging according to claim 6 is precious, which is characterized in that the lifting die block include high-voltage output end with
Low-voltage output；
The high-voltage output end electricity of the pin of the fast charge output interface and the wireless transmission coil with the lifting die block
Connection；
The low-voltage output of the lifting die block is electrically connected with the pin of wired output interface.
8. wireless charging according to claim 7 is precious, which is characterized in that the wireless charging treasured further includes wireless decompression mould
Block, the high-voltage output end of the lifting die block and the input terminal of the wireless output circuit are real by the wireless voltage reduction module
It is now electrically connected, the management of charging and discharging unit is electrically connected with the wireless voltage reduction module；
When the management of charging and discharging unit detects the output voltage of the high-voltage output end of the lifting die block greater than 9V, institute
It states management of charging and discharging unit and controls the wireless voltage reduction module for the voltage drop received down to 5V~9V.
9. wireless charging according to claim 8 is precious, which is characterized in that the wireless voltage reduction module is BUCK circuit.
10. wireless charging according to claim 6 is precious, which is characterized in that the management of charging and discharging unit and the fast charge
Output interface electrical connection to detect whether the fast charge output interface normally exports, and works as the management of charging and discharging unit
When detecting that the fast charge output interface normally exports, the management of charging and discharging unit controls wired output interface and is in slow
Mold filling formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796068.5U CN208971248U (en) | 2018-10-31 | 2018-10-31 | Wireless charging is precious |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796068.5U CN208971248U (en) | 2018-10-31 | 2018-10-31 | Wireless charging is precious |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208971248U true CN208971248U (en) | 2019-06-11 |
Family
ID=66760922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821796068.5U Active CN208971248U (en) | 2018-10-31 | 2018-10-31 | Wireless charging is precious |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208971248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036945A (en) * | 2019-12-09 | 2021-06-25 | 北京小米移动软件有限公司 | Wireless charging circuit and wireless charging system |
-
2018
- 2018-10-31 CN CN201821796068.5U patent/CN208971248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036945A (en) * | 2019-12-09 | 2021-06-25 | 北京小米移动软件有限公司 | Wireless charging circuit and wireless charging system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204349496U (en) | Portable multi-voltage output mobile power supply | |
| CN101986502A (en) | Mobile phone battery charging circuit | |
| CN102447313A (en) | Online power supply device and power supply method utilizing high voltage transmission conductors | |
| CN211377693U (en) | Power transmission line hybrid power supply based on solar energy and induction energy obtaining | |
| CN101795014B (en) | Device and method for mobile terminal to supply power to external equipment | |
| CN205960687U (en) | Portable power source capable of being charged rapidly | |
| CN103855730B (en) | Protection control system of solar energy power bank | |
| CN208971248U (en) | Wireless charging is precious | |
| WO2016090852A1 (en) | Terminal device battery and method for control of charge and discharge thereof | |
| CN203166552U (en) | Mobile power supply | |
| CN209217768U (en) | Wireless charging is precious | |
| CN209434923U (en) | Using the new architecture for the universal rechargeable battery that lithium ion battery is constituted | |
| CN201733113U (en) | Portable mobile power supply | |
| CN203967775U (en) | A kind of portable power source circuit | |
| CN208299523U (en) | A kind of multi-functional automated power distribution quick charger of multioutlet | |
| CN205945101U (en) | Modular super battery | |
| CN104882742A (en) | Intelligent charging socket | |
| CN205429771U (en) | Intelligent adaptive fills portable power source soon | |
| CN205489672U (en) | Mobile power supply | |
| CN205081185U (en) | Rechargeable battery and conversion assembly | |
| CN208806636U (en) | A kind of cellular phone power supplies circuit | |
| CN208996983U (en) | air supply device | |
| CN107276134A (en) | Charging device and charging method | |
| CN203014419U (en) | Protection and control system for portable solar power source | |
| CN202353445U (en) | Current transformer power supply applied to intelligent switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |