CN204205664U - A kind of charging case of battery of mobile phone - Google Patents
A kind of charging case of battery of mobile phone Download PDFInfo
- Publication number
- CN204205664U CN204205664U CN201420700245.0U CN201420700245U CN204205664U CN 204205664 U CN204205664 U CN 204205664U CN 201420700245 U CN201420700245 U CN 201420700245U CN 204205664 U CN204205664 U CN 204205664U
- Authority
- CN
- China
- Prior art keywords
- battery
- mobile phone
- arranges
- charging
- charging case
- 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
Abstract
The utility model provides a kind of charging case of battery of mobile phone, be characterized in: comprising: casing, main control board, touch screen and several battery insert ports are positioned at the battery cavities on casing, main control board comprises: input power is converted to the power transfer module that battery charging needs voltage, battery detecting module, output control module, between the supply line of each battery cavities and output control module, electronic switch is set, the control end of electronic switch is connected to output control module, described each battery cavities is provided with respective independently electronic lock, the control end of electronic lock is connected to output control module, the input power of described charging case is that communication power supply is or/and storage battery, the output of described storage battery is connected to the input of power transfer module.People can be charging mobile phone battery at any time easily or change battery of mobile phone, do not need to wait for charging complete simultaneously.
Description
Technical field
The utility model belongs to portable power source charging device technical field, relates to a kind of charging device for battery of mobile phone, is a kind of charging case of battery of mobile phone specifically.
Background technology
Mobile phone is as mobile device, and people wish that its function is many, stand-by time long enough.At present, along with the development of intelligent system, the function of mobile phone is more and more stronger, screen is increasing, causes power consumption increasing, and most of mobile phone electricity can only meet the use of a day, a mobile phone frequently used, the electricity of one piece of battery does not maintain 12 hours usually.In order to address this problem, battery producer is just making great efforts to improve battery performance, but, so far, effective approach is mobile phone configuration reserve battery, before one piece of battery depletes electricity, change the new battery of one piece of enough electricity, " charger baby " as is in the market exactly a reserve battery.But still need charging after battery or reserve battery electricity exhaust, this just needs cellphone subscriber is continually battery charging, therefore, for charging mobile phone battery has developed into the atomic transaction in people's daily life.For the atomic transaction in people's daily life; society can derive corresponding service organization or service mode usually to meet the demand of people; but still rest on the pure personal behavior stage at present for charging mobile phone battery; charging behavior needs people to go back home usually or the one's own place such as office can be carried out; go out to handle affairs and be badly in need of using mobile phone on the way and mobile phone does not have the situation of electricity often to occur; now people often feel simply helpless, and even delay business opportunity or affect very important doings.How to provide a kind of charging mobile phone battery of community service form to change system, make people at any time easily for charging mobile phone battery or replacing have the battery of mobile phone of electricity, thus keep mobile phone to continue there is electricity condition, current numerous cellphone subscribers urgently look forward to.
Summary of the invention
The utility model is the problems referred to above solving prior art existence, provides a kind of charging case of battery of mobile phone, and people can be charging mobile phone battery at any time easily or change battery of mobile phone, does not need to wait for charging complete simultaneously.
The purpose of this utility model is achieved through the following technical solutions:
A kind of charging case of battery of mobile phone
,it is characterized in that, described charging case comprises: casing, be arranged on the main control board of box house, the touch screen be arranged on cabinet panel is positioned at the battery cavities on casing with several battery insert ports, described main control board comprises: input power is converted to the power transfer module that battery charging needs voltage, battery detecting module, output control module, between the supply line of each battery cavities and output control module, electronic switch is set, the control end of electronic switch is connected to output control module, described each battery cavities is provided with respective independently electronic lock, the control end of electronic lock is connected to output control module, the input power of described charging case is that communication power supply is or/and storage battery, the output of described storage battery is connected to the input of power transfer module.
Improvement to technique scheme: described main control board also comprises battery identity identification module and network communication module, described battery identity identification module comprises the card reading antennas bottom each battery cavities, and described network communication module is wired and wireless communication module.
To the further improvement of technique scheme be: described each battery cavities is arranged in a battery compartment, and battery compartment is arranged in described casing, arranges sterilizer in battery compartment.
Further improvement to technique scheme: described battery cavities sidewall arranges the electronic lock chamber of evagination, described electronic lock chamber arranges described electronic lock, described electronic lock comprises electromagnet, spring and latch segment, described both ends of the spring connects latch segment and electromagnet respectively, and the relative madial wall of described battery cavities battery insert port arranges a Compress Spring.
Further improvement to technique scheme: on described casing, the battery insert port of each battery cavities is other arranges battery charging state indicator light.
Further improvement to technique scheme: described cabinet panel top arranges touch screen, arranges battery compartment in the middle part of described casing, and described lower box arranges storage battery, arranges the chamber door hiding battery compartment and storage battery before described casing.
Advantage of the present utility model and good effect are:
The charging mobile phone battery case that the charging mobile phone battery that the utility model provides a kind of community service form is changed.Charging case extensively can distribute as self-service equipment and be arranged on street, shop, station, airport etc. and be convenient to people place easy to use, cellphone subscriber can be the mobile phone dedicated charging of mobile phone or the mobile phone dedicated battery exchanging electricity at any time easily nearby, ensure that mobile phone continues to have electricity, do not need to wait for charging complete simultaneously.
Accompanying drawing explanation
Fig. 1 is the stereogram of the charging case of a kind of battery of mobile phone of the utility model;
Fig. 2 is the internal structure schematic diagram of the charging case of a kind of battery of mobile phone of the utility model;
The battery cavities of Fig. 3 to be the utility model be charging case of a kind of battery of mobile phone of the utility model loads the schematic diagram of battery of mobile phone;
Fig. 4 is the schematic diagram that the battery cavities of the charging case of a kind of battery of mobile phone of the utility model is ejecting battery of mobile phone;
Fig. 5 is the stereogram of the charging case battery cavities of a kind of battery of mobile phone of the utility model;
Fig. 6 is the theory diagram of the charging case of a kind of battery of mobile phone of the utility model;
Fig. 7 is the block diagram of production and user's binding procedure in the rechargeable cellphone battery recognition methods of identifiable design identity in the utility model;
Fig. 8 is the block diagram of identifying in the rechargeable cellphone battery recognition methods of identifiable design identity in the utility model;
Fig. 9 is the structural representation of the rechargeable cellphone battery of a kind of identifiable design identity in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1-Fig. 9, the embodiment of the charging case of a kind of battery of mobile phone of the utility model, described charging case comprises: casing 2.1, be arranged on the main control board 2.7 of casing 2.1 inside, the touch screen 2.2 be arranged on casing 2.1 panel is positioned at the battery cavities 2.3 on casing 2.1 with several battery insert ports, described main control board 2.7 comprises: input power is converted to the power transfer module 2.9 that battery charging needs voltage, battery detecting module 2.10, output control module 2.11, between the supply line of each battery cavities 2.3 and output control module 2.11, electronic switch 2.13 is set, the control end of electronic switch 2.13 is connected to output control module 2.11, described each battery cavities 2.3 is provided with respective independently electronic lock, the control end of electronic lock is connected to output control module 2.11, the input power of described charging case 2 is that communication power supply is or/and storage battery 2.5, the output of described storage battery 2.5 is connected to the input of power transfer module 2.9.
When after the extraneous power supply of connection, accumulators 2.5 charges, if the full electricity of storage battery 2.5, then can directly charge to battery 1 through the power transfer module 2.9 of main control board 2.7.Battery detecting module 2.10 detects the voltage and current inserted on the rear circuit of battery 1, judge that battery 1 is the need of charging, if need charging, then notify that the electronic switch 2.13 that output control module 2.11 keeps being connected with battery cavities 2.3 closes, continue to charge to battery 1.If battery 1 does not need charging, then battery detecting module 2.10 notifies that output control module 2.11 disconnects the electronic switch 2.13 of this circuit, complete charge.
See Fig. 9, the above-mentioned battery 1 for charging case 2 charging is mobile phone dedicated battery 1, and comprise battery 1.5 and shell 1.1, arrange a RFID chip 1.6 between battery 1.5 and shell 1.1, RFID chip 1.6 has unique No. ID.Outside shell 1.1, arrange the printed layers being printed on Quick Response Code A 1.2 and Quick Response Code B 1.3, the information of Quick Response Code A 1.2 is server address of smart mobile phone app download link, and the information of Quick Response Code B 1.3 is identical or relevant with No. ID of described RFID chip 1.6.
The above-mentioned printed layers being printed on Quick Response Code A 1.2 and Quick Response Code B 1.3 covers transparent protective film outward.Battery 1.5 arranges caulking groove, RFID chip 6 is embedded in described caulking groove, certainly, RFID chip 1.1 also can directly be bonded in battery 1.5 on the surface.
When charging in public charging case to make battery 1, being pinned by electronic lock fixing, the side of battery 1.5 arranges detent 1.4.
Insert in mobile phone to prevent rechargeable cellphone battery and occur anti-inserted problem, the side of battery 1.5 arranges inverse inserting-preventing elongated slot 1.7.
Specifically: main control board 2.7 also comprises battery identity identification module and network communication module 2.12, described battery identity identification module comprises the card reading antennas 2.3.3 bottom each battery cavities 2.3, and described network communication module 2.12 is wired and wireless communication module.After one piece of battery inserts battery cavities, battery identity identification module reads the ID of this battery, and sending to network communication module, the ID of this battery sends to server to identify by the Internet by network communication module 2.12, and recognition result is sent to battery identity identification module.The result that battery identity identification module resolution server returns, if 1, satisfactory battery pins battery 1, and notifies that battery detecting module has battery 1 to insert; Otherwise the certification of prompting battery 1 is not passed through, and unlocks battery 1.
Each battery cavities 2.3 is arranged in a battery compartment 2.8, and battery compartment 2.8 is arranged in described casing 2.1, arranges sterilizer in battery compartment 2.8.As: ultraviolet disinfecting lamp tube, carry out disinfection to the battery 1 inserted.
The electronic lock chamber 2.3.2 of evagination is set at battery cavities 2.3 sidewall, described electronic lock chamber 2.3.2 arranges described electronic lock, described electronic lock comprises electromagnet, spring and latch segment, described both ends of the spring connects latch segment and electromagnet respectively, and the relative madial wall of described battery cavities 2.3 battery insert port arranges a spring 2.3.1.A battery 1 to be charged is inserted at battery cavities 2.3, when the output control module 2.11 of charging case 2 outputs signal the electronic lock arriving battery cavities 2.3, electromagnet dead electricity, latch segment is pushed the detent 1.4 of battery 1 by spring, locking battery 1, and connect electronic switch 2.13 this battery 1 is charged.When this battery 1 is full of electricity, when needing to release, the electromagnet of electronic lock powers on, and attract latch segment to exit the detent 1.4 of battery, battery 1 is released by the Compress Spring 2.3.1 in battery cavities 2.3.
On casing 2.1, the battery insert port of each battery cavities 2.3 is other arranges battery charging state indicator light 2.4.
Arrange touch screen at casing 2.1 upper panel, arrange battery compartment 2.8 in the middle part of described casing 2.1, described casing 2.1 bottom arranges storage battery 2.5, and described casing 2.1 arranges the chamber door hiding battery compartment 2.8 and storage battery 2.5 above.
See Fig. 7-Fig. 9, concrete using method: cellphone subscriber obtains described mobile phone dedicated battery 1, the Quick Response Code A that cellphone subscriber is first scanned on mobile phone dedicated battery 1 before use downloads App to server, then, user's registration information is inputted in App, the ID of Quick Response Code B is scanned with App, server is sent to together with user's registration information, server generates user account according to user's registration information, the ID of user account and Quick Response Code B binds, because the ID of the ID of RFID chip and Quick Response Code B has unique corresponding relation, so user account has also bound the ID of RFID chip simultaneously, like this once battery is used, the ID of the RFID chip of this battery is just saved in the database of server, the ID of Quick Response Code B and the user account of this battery of use.
Charging case 2 extensively can distribute as self-service equipment and be arranged on street, shop, station, airport etc. and be convenient to people place easy to use, and cellphone subscriber can be the mobile phone dedicated charging of mobile phone or the mobile phone dedicated battery 1 exchanging electricity at any time easily nearby.The mobile phone dedicated battery 1 of one block of full electricity is had in its battery compartment 2.8 at least when charging case 2 is enabled.
At battery compartment 2.8 built with shown in the mobile phone dedicated battery 1(Fig. 9 charged), when enabling, the mobile phone dedicated battery 1 of one block of full electricity is had at least in battery compartment 2.8, when the mobile phone dedicated battery 1 of cellphone subscriber needs to charge, after finding neighbouring charging case 2, mobile phone dedicated battery 1 is inserted the battery cavities 2.3 of charging case 2, the battery detecting module 2.10 of charging case 2 reads the ID of the RFID chip of mobile phone dedicated battery 1 automatically, then send this ID by network communication module 2.12 and carry out identification to server, if the cell-phone number of this ID and binding can be inquired in the database of server, then the output control module 2.11 of charging case 2 outputs signal the electronic lock of battery cavities 2.3, locking mobile phone dedicated battery 1 wherein, and connect electronic switch this mobile phone dedicated battery 1 is charged, when selecting to change mobile phone dedicated battery 1, eject the mobile phone dedicated battery 1 of a full electricity in return, the mobile phone dedicated battery 1 that user takes out this full electricity can use, this operation is uploaded onto the server by charging case 2, the ID that user is taken away battery by server substitutes the ID that user was lockable mobile phone dedicated battery 1 just now, complete the binding new with mobile phone, server is according to charging regulation charging, and under expense volume is counted on this user account, the expense exchanging the generation of mobile phone dedicated battery 1 is paid by mobile phone.
Specifically: described touch screen 2.2 shows the numbering of each battery cavities 2.3 and the battery cavities state of correspondence, described battery cavities 2.3 state comprises: " cavity ", " just at the charging progress of rechargeable battery ", " full electricity ", its battery cavities state is corresponding with the status indicator lamp 2.4 of battery cavities 2.3 porch, user charges or when exchanging mobile phone dedicated battery 1, is inserted by mobile phone dedicated battery 1 in the battery cavities 2.3 of display " cavity " state.
The utility model can be directly directly take away after the mobile phone dedicated battery 1 of user is full of electricity, also can change the mobile phone dedicated battery 1 of full electricity.Concrete grammar is: need the mobile phone dedicated battery 1 of charging to insert charging case 2 and after being identified charging, touch screen 2.2 display reminding selects information: and " get reserve battery? wait to be charged? " if selected " getting reserve battery ", then charging case 2 ejects the mobile phone dedicated battery 1 of a full electricity in return, the mobile phone dedicated battery 1 that user takes out this full electricity uses, if selected " waiting to be charged ", charging case 2 starts charge timer, and the charging interval is shown on touch screen 2.2, touch screen 2.2 shows " stopping charging " select button simultaneously, user wait as required the charging interval to after press " stop charging ", charging case 2 ejects this mobile phone dedicated battery 1, user can take this mobile phone dedicated battery 1 away and use, this operation is uploaded onto the server by charging case 2, server according to charging regulation according to charging duration based accounting, and under expense volume is counted on this user account.
The utility model arranges " rate inquiry " button on touch screen 2.2, when user selects rate to inquire about, eject soft keyboard and phone number input frame, user's input handset number after confirming, charging case 2 to server this cell-phone number of data base querying expense volume under one's name and be presented on touch screen 2.2.
Touch screen 2.2 of the present utility model arranges default interface, charging case 2 is nothing operation within a period of time, then touch screen 2.2 returns to default interface, described touch screen 2.2 default interface content comprises: the numbering of each battery cavities 2.3 and battery cavities 2.3 state of correspondence, " communicating battery " button, " charging " button, " rate inquiry " button, ad content, not comprising: soft keyboard, phone number input frame.Touch screen 2.2 on charging case 2, for user and charging case 2 interaction, shows the state of charging case 2, provides the operating result of action button, feedback user.
The utility model is that charging mobile phone battery behavior provides network socialized service system system, fundamentally change use and the charging modes of current battery of mobile phone, make cellphone subscriber be charging mobile phone battery at any time easily nearby or exchanged battery for, ensureing that mobile phone continues to have electricity.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned citing; those skilled in the art; in essential scope of the present invention, done change, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (9)
1. the charging case of a battery of mobile phone
,it is characterized in that, described charging case comprises: casing, be arranged on the main control board of box house, the touch screen be arranged on cabinet panel is positioned at the battery cavities on casing with several battery insert ports, described main control board comprises: input power is converted to the power transfer module that battery charging needs voltage, battery detecting module, output control module, between the supply line of each battery cavities and output control module, electronic switch is set, the control end of electronic switch is connected to output control module, described each battery cavities is provided with respective independently electronic lock, the control end of electronic lock is connected to output control module, the input power of described charging case is that communication power supply is or/and storage battery, the output of described storage battery is connected to the input of power transfer module.
2. according to the charging case of a kind of battery of mobile phone according to claim 1, it is characterized in that, described main control board also comprises battery identity identification module and network communication module, described battery identity identification module comprises the card reading antennas bottom each battery cavities, and described network communication module is wired and wireless communication module.
3. according to the charging case of a kind of battery of mobile phone described in claim 1 or 2, it is characterized in that, described each battery cavities is arranged in a battery compartment, and battery compartment is arranged in described casing, arranges sterilizer in battery compartment.
4. according to the charging case of a kind of battery of mobile phone described in claim 1 or 2, it is characterized in that, described battery cavities sidewall arranges the electronic lock chamber of evagination, described electronic lock chamber arranges described electronic lock, described electronic lock comprises electromagnet, spring and latch segment, described both ends of the spring connects latch segment and electromagnet respectively, and the relative madial wall of described battery cavities battery insert port arranges a Compress Spring.
5. according to the charging case of a kind of battery of mobile phone according to claim 3, it is characterized in that, described battery cavities sidewall arranges the electronic lock chamber of evagination, described electronic lock chamber arranges described electronic lock, described electronic lock comprises electromagnet, spring and latch segment, described both ends of the spring connects latch segment and electromagnet respectively, and the relative madial wall of described battery cavities battery insert port arranges a Compress Spring.
6. according to the charging case of a kind of battery of mobile phone described in claim 1 or 2, it is characterized in that, on described casing, the entrance of each battery cavities is other arranges battery charging state indicator light.
7. according to the charging case of a kind of battery of mobile phone according to claim 5, it is characterized in that, on described casing, the entrance of each battery cavities is other arranges battery charging state indicator light.
8. according to the charging case of a kind of battery of mobile phone described in claim 1 or 2, it is characterized in that, described cabinet panel top arranges touch screen, arranges battery compartment in the middle part of described casing, described lower box arranges storage battery, arranges the chamber door hiding battery compartment and storage battery before described casing.
9. according to the charging case of a kind of battery of mobile phone according to claim 7, it is characterized in that, described cabinet panel top arranges touch screen, arranges battery compartment in the middle part of described casing, described lower box arranges storage battery, arranges the chamber door hiding battery compartment and storage battery before described casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700245.0U CN204205664U (en) | 2014-11-20 | 2014-11-20 | A kind of charging case of battery of mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700245.0U CN204205664U (en) | 2014-11-20 | 2014-11-20 | A kind of charging case of battery of mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204205664U true CN204205664U (en) | 2015-03-11 |
Family
ID=52663580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420700245.0U Active CN204205664U (en) | 2014-11-20 | 2014-11-20 | A kind of charging case of battery of mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204205664U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377773A (en) * | 2014-11-20 | 2015-02-25 | 刘同鑫 | Charging box for mobile phone battery |
| CN106712218A (en) * | 2017-03-06 | 2017-05-24 | 北京蛋蛋出行科技有限责任公司 | Battery cabinet |
| CN108363010A (en) * | 2018-01-15 | 2018-08-03 | 清华四川能源互联网研究院 | A kind of battery capacity display control method |
| CN108765759A (en) * | 2018-06-06 | 2018-11-06 | 弗兰威尔信息科技（苏州）有限公司 | A kind of automatic rent and sale recycling all-in-one machine of portable power and its rent and sale recovery method |
-
2014
- 2014-11-20 CN CN201420700245.0U patent/CN204205664U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377773A (en) * | 2014-11-20 | 2015-02-25 | 刘同鑫 | Charging box for mobile phone battery |
| CN104377773B (en) * | 2014-11-20 | 2016-05-18 | 刘同鑫 | A kind of charging case of battery of mobile phone |
| CN106712218A (en) * | 2017-03-06 | 2017-05-24 | 北京蛋蛋出行科技有限责任公司 | Battery cabinet |
| CN108363010A (en) * | 2018-01-15 | 2018-08-03 | 清华四川能源互联网研究院 | A kind of battery capacity display control method |
| CN108765759A (en) * | 2018-06-06 | 2018-11-06 | 弗兰威尔信息科技（苏州）有限公司 | A kind of automatic rent and sale recycling all-in-one machine of portable power and its rent and sale recovery method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104377772B (en) | A kind of charging mobile phone battery changes system and charging method | |
| CN107086641A (en) | The charging cabinet of automobile starting battery | |
| CN204205664U (en) | A kind of charging case of battery of mobile phone | |
| CN104377773B (en) | A kind of charging case of battery of mobile phone | |
| CN104377771B (en) | Mobile phone rechargeable battery with identity identification function and identification method thereof | |
| CN204905901U (en) | Mobile payment's phone -charging device | |
| CN107757406A (en) | One kind is based on MQTT electric cars charging intelligent management system | |
| CN205282802U (en) | Supply socket device and contain device's management system | |
| CN105303790A (en) | Tap-to-pair type Bluetooth loss-prevention device and tap-to-pair method | |
| US20190322188A1 (en) | Smart electric vehicle parking and charging station | |
| CN108599301A (en) | Method is leased and given back to a kind of mobile power sharing means of Spliced type, system and shared mobile power | |
| CN109685171A (en) | A kind of article control method of intelligent cabinet, device and system | |
| CN106741329A (en) | Public lease bicycle Intelligent Passive lock system | |
| CN204314984U (en) | A kind of self-service terminal machine of the handy service for the people | |
| CN101949242B (en) | Door lock control system and control method thereof | |
| CN207010287U (en) | The charging cabinet of automobile starting battery | |
| CN106548570A (en) | What is configured based on modularized design and on demand fresh picks up by oneself cabinet system | |
| CN107507362A (en) | System is leased and given back to a kind of self-shooting bar | |
| CN107274571A (en) | Portable power source leasing method and portable power source give back method | |
| CN204205663U (en) | A kind of rechargeable cellphone battery of identifiable design identity | |
| WO2018192054A1 (en) | Method for unlocking electric bicycle and electric bicycle | |
| WO2012160481A2 (en) | A charging module, a server, and a charging system comprising the charging module and the server | |
| CN104459253A (en) | Intelligent electric meter based on network | |
| KR20190108013A (en) | User battery recognition device including solar panel and attendance management system using it | |
| CN208158144U (en) | Storage device and power receiving equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170815 Address after: 266000 Shandong city in Qingdao Province, the high tech Industrial Development Zone maxspace block C room 308-22 Patentee after: Qingdao Happy View Digital Media Co., Ltd. Address before: Shinan District Shandong city of Qingdao province Yinchuan 266071 West Road No. 67 International Animation Industrial Park C building room 118 Patentee before: Liu Tongxin |