CN209881470U - Mobile internet terminal charging structure - Google Patents
Mobile internet terminal charging structure Download PDFInfo
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- CN209881470U CN209881470U CN201921125391.4U CN201921125391U CN209881470U CN 209881470 U CN209881470 U CN 209881470U CN 201921125391 U CN201921125391 U CN 201921125391U CN 209881470 U CN209881470 U CN 209881470U
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Abstract
The utility model relates to the lease field of mobile interconnection terminals, and discloses a mobile interconnection terminal charging structure and a charging method thereof, wherein the mobile interconnection terminal charging structure is fixedly arranged in a cabinet and is used for accommodating a mobile interconnection terminal; still be provided with the bullet post on the lateral wall of storehouse box, the one end of bullet post stretches into the inner chamber, and plays the post and be used for releasing the inner chamber with mobile internet terminal. The utility model discloses a charging structure charges the mobile internet terminal, can guarantee the duration of a journey of the mobile internet terminal, provides a mobile terminal which can be continuously used for a user, and simultaneously does not influence the charging of a low-power mobile phone of the user; the utility model discloses a charging method discerns in order to confirm the exact mobile internet terminal to the mobile internet terminal, guarantees the safety of charging process.
Description
Technical Field
The utility model relates to a lease field at mobile internet terminal, concretely relates to technical field that charges at mobile internet terminal especially relates to a mobile internet terminal charging structure.
Background
Along with the development and progress of the society, the outdoor activity time of people is longer and longer, the space is wider and wider, and the endurance time of the electronic equipment carried by people is difficult to meet the requirement. Especially, the mobile phone becomes an indispensable carry-on tool for people, and no matter where people are, the mobile phone can know the environment of the people, and can communicate with other people, know network information and the like, so that great convenience is brought to people due to the strong functions of the mobile phone. However, people often need to worry about the endurance of the mobile phone when the mobile phone is used outdoors, the power consumption is serious when the mobile phone is used more, and the life of people is greatly influenced when the electric quantity of the mobile phone is insufficient outdoors.
The sharing lease mode that has appeared in the life can in time provide required articles for people, very big make things convenient for people's tailored demand, solves the problem that people carry a large amount of article on outgoing. At present, the shared rental mode generally comprises articles such as a charger baby and a bicycle, and the daily requirements of people are met. When the mobile phone electric quantity that present people carried is not enough, if only the sharing treasured that charges, only can charge to the cell-phone, the use of the cell-phone of being not convenient for in the charging process is difficult to satisfy the demand of synchronous use cell-phone.
Therefore, if the sharing lease of the mobile internet terminal can be provided, the mobile internet terminal is similar to equipment such as a smart phone and a smart tablet computer, the functions of surfing the internet and browsing APP can be provided for the user, when the electric quantity of the mobile phone carried by people is insufficient, the personal use requirement can be continuously met through the lease mobile internet terminal, and meanwhile, the charging of the mobile phone is not influenced. In this mode, the problem of charging the mobile internet terminal needs to be considered, and after the user returns the mobile internet terminal, how to identify the terminal as an adaptive device and how to enable the terminal to complete charging at a rental point is an urgent problem to be solved.
Therefore, the specific charging structure and charging mode of the mobile internet terminal need to be solved, so that the use convenience of the mobile internet terminal is improved, a more reasonable technical scheme needs to be provided, the existing charging structure is improved, and the technical problem in the prior art is solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mobile internet terminal charging structure aims at being convenient for hold mobile internet terminal, conveniently removes charging and taking at internet terminal.
In order to realize the above effect, the utility model discloses the technical scheme who adopts does:
a mobile internet terminal charging structure is fixedly arranged in a cabinet and used for accommodating a mobile internet terminal; the mobile interconnection terminal comprises a bin box, wherein an inner cavity for accommodating the mobile interconnection terminal is arranged in the bin box, a charging port is arranged on the side wall of the bin box, a charging connector is arranged at the charging port, and the charging connector extends into the inner cavity; still be provided with the bullet post on the lateral wall of storehouse box, the one end of bullet post stretches into the inner chamber, and plays the post and be used for releasing the inner chamber with mobile internet terminal.
According to the mobile internet terminal charging structure, the mobile internet terminal is accommodated in the bin, and the mobile internet terminal is charged in the bin, so that a good storage state is kept; during charging, the charging connector is in identification butt joint with the mobile interconnection terminal to realize charging; through the contact cooperation of bullet post and mobile internet terminal, when the bullet post received trigger command, the bullet post outwards supported and pushed away mobile internet terminal.
Further, the technical scheme disclosed in the above technical scheme is optimized, the charging connector can be realized by adopting various structures, and a feasible scheme is given here: the charging connector is a PIN interface.
Preferably, the charging connector is connected to an external charging circuit board and other devices, and the mobile internet terminal is convenient to use.
Further, when the mobile internet terminal is located in the inner cavity, the terminal is in sliding contact with the inner cavity to facilitate access, so that a possible solution is provided here: the inside wall of inner chamber is provided with the slip sand grip.
Preferably, the sliding convex strips can be arranged on the bottom surface, the top surface and the two side surfaces of the inner cavity, and the movable interconnection terminal is tightly propped through the convex strips so as to keep a good posture; meanwhile, the convex strip enables a gap to exist between the mobile interconnection terminal and the inner surface of the bin box, so that heat dissipation in the charging process is facilitated; moreover, because of the thermal consideration of giving off, set up a plurality of sand grips when the interval on same side at the inner chamber, the benefit that sets up like this is that the heat dissipation space is bigger, and radiating effect is better.
Still further, when the mobile internet terminal is located the inner chamber, the magazine stores it, so the optimal setting is carried out here, a feasible magazine structure is proposed: the front end of the bin box is an opening communicated with the inner cavity, and a bin door is hinged to the opening.
Preferably, the bin door is turned over relative to the bin box, a torsion spring is arranged at the bin door, the torsion spring enables the bin door to keep vertical and seal the opening under a normal state, and when the mobile interconnection terminal is placed in the inner cavity, the bin door can be pushed towards the inner cavity by pushing the bin door; when the mobile interconnection terminal is taken out, the elastic columns push the mobile interconnection terminal outwards, and the bin door is turned outwards under the action of thrust.
Still further, when the mobile internet terminal is disposed in the magazine, except that the door is opened to block the mobile internet terminal to prevent the mobile internet terminal from falling, the magazine disclosed in the above technical solution is optimized, and the following feasible technical solutions are provided: the bin is provided with a lock catch assembly, and the lock catch assembly is used for fastening the mobile internet terminal.
Still further, the lock catch assembly disclosed in the above technical solution is optimized, and the following concrete feasible solutions are given as examples: the lock catch assembly comprises a lock tongue piece, a lock tongue extending into the inner cavity is arranged at one end of the lock tongue piece, a pushing inner ring is arranged at the other end of the lock tongue piece, a driving shaft is arranged at the pushing inner ring, a cam for pushing the inner ring to contact and match with the cam is arranged on the driving shaft, and the cam pushes the lock tongue piece to reciprocate when rotating.
Still further, the lock catch assembly disclosed in the above technical solution is continuously optimized, and the following feasible solutions are mentioned: the spring bolt spare include first spring bolt spare and second spring bolt spare, first spring bolt spare and second spring bolt spare set up side by side, set up two cams in the drive shaft, two cams respectively with the promotion inner circle cooperation of first spring bolt spare and second spring bolt spare, and the spring bolt on first spring bolt spare and the second spring bolt spare is located the relative both sides of inner chamber.
Preferably, the first latch piece and/or the second latch piece are/is provided with a return spring. Under the normal state, the reset spring makes the spring bolt stretch into the inner chamber.
Still further, the locking assembly is optimized to achieve automatic locking, and a feasible scheme is provided here: the lock catch assembly comprises a driving motor, and an output shaft of the driving motor is connected with a driving shaft for transmission.
Preferably, a contact switch is arranged at the end part of the driving shaft, and the contact switch is connected to a control circuit of the driving motor and is used for controlling the starting and stopping of the driving motor; the end of the driving shaft is provided with a pressing sheet between the contact switches, when the driving shaft rotates, the pressing sheet is driven to turn over, the pressing sheet pushes contacts of the contact switches, the contact switches are disconnected, the driving motor stops rotating at the moment, and the lock tongue returns to a normal state under the action of the reset spring.
Further, the structure of the cartridge in the above technical solution is optimized, so that the cartridge is conveniently installed and fixed in the cabinet, and a feasible solution is provided here: the bin box is provided with a connecting structure.
Preferably, the connecting structure is a convex connecting hole, and the connecting hole is connected and fixed to the cabinet through a connecting bolt.
The utility model also discloses a method for utilizing above-mentioned charge structure to charge aims at discerning the exact and removes interconnected terminal, charges to the exact terminal equipment, avoids damaging charge structure.
In order to realize the above effect, the utility model discloses the technical scheme who adopts does:
a charging method of a mobile internet terminal applies the charging structure and comprises the following steps:
pushing the mobile interconnection terminal into the inner cavity to enable the serial port of the mobile interconnection terminal to be in contact with the charging connector;
the charging connector identifies the identity of the current mobile internet terminal through the serial port, the charging is started when the identification is correct, and the charging is not performed when the identification is incorrect.
Further, the method for charging the mobile internet terminal disclosed in the above technical scheme is optimized, and before the mobile internet terminal is charged, the method further includes the steps of performing data clearing on the mobile internet terminal and recovering the initial system state.
Specifically, during charging, when the mobile internet terminal enters a bin, a detection switch in the cabinet or in a bin box detects that the terminal enters the bin, meanwhile, a PIN PIN at the tail of the mobile internet terminal is in contact with a PIN PIN of a charging connector, a cabinet single-chip microcomputer mainboard sends a serial port defining command to the PIN PIN of the mobile phone through the PIN PIN, and after the mobile internet terminal receives the command, the mobile internet terminal recognizes and replies a specially defined serial port command to the cabinet to form a detection closed loop; the detection is completed within 300 milliseconds, and after the detection is successful, the cabinet single-chip microcomputer mainboard charges the PIN of the mobile internet terminal through the PIN PIN, so that the automatic charging function of the mobile internet terminal is met.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a charging structure charges to removing the interconnected terminal, can guarantee the duration at removal interconnected terminal, for the user provides and lasts usable mobile terminal, does not influence the charging of user's low-power cell-phone simultaneously.
2. The utility model discloses a charging method discerns in order to confirm the exact mobile internet terminal to the mobile internet terminal, guarantees the safety of charging process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an overall structural schematic diagram of a charging structure;
FIG. 2 is an exploded schematic view of a charging structure;
FIG. 3 is a schematic view of the overall structure from another perspective of the charging structure;
fig. 4 is a schematic view of the charging structure in the state shown in fig. 3 after the door is opened;
FIG. 5 is a rear view of the charging structure;
FIG. 6 is a schematic diagram of a front view of the charging structure with the door closed;
fig. 7 is a schematic front view of the charging structure shown in fig. 3 after the door is opened;
FIG. 8 is a schematic structural view of the latch assembly;
fig. 9 is a schematic view of the internal construction of the strike assembly;
fig. 10 is a schematic view of the internal structure of the locking assembly with the drive motor removed;
fig. 11 is a structural view from another perspective of the catch assembly with the drive motor removed.
In the above figures, the meaning of the reference numerals is: 1. a cartridge; 101. an opening; 102. a connecting structure; 2. a charging connector; 3. a bullet column; 4. a latch assembly; 5. a charging port; 6. a bin gate; 7. a drive motor; 8. a cam; 9. a drive shaft; 10. a first latch member; 11. a latch bolt; 12. pushing the inner ring; 13. a second latch member; 14. a contact switch; 15. pressing a plate; 16. a return spring.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
Example 1
As shown in fig. 1 to 11, the embodiment discloses a charging structure of a mobile internet terminal, which is fixedly disposed in a cabinet and used for accommodating the mobile internet terminal; the rack in this embodiment is the cabinet body that has linked together the power, and inside can set up a plurality of structures of charging, charges for a plurality of mobile internet terminals simultaneously. Specifically, the charging structure comprises a bin box 1, an inner cavity for accommodating the mobile interconnection terminal is formed in the bin box 1, a charging port 5 is formed in the side wall of the bin box 1, a charging connector 2 is arranged at the position of the charging port 5, and the charging connector 2 extends into the inner cavity; still be provided with bullet post 3 on the lateral wall of storehouse box 1, the one end of bullet post 3 stretches into the inner chamber, and bullet post 3 is used for releasing the inner chamber with mobile internet terminal.
According to the mobile internet terminal charging structure, the mobile internet terminal is accommodated in the bin 1, and is charged in the bin 1, so that a good storage state is kept; during charging, the charging connector 2 is in identification butt joint with the mobile interconnection terminal to realize charging; through the contact cooperation of bullet post 3 and mobile internet terminal, when bullet post 3 received trigger command, bullet post 3 outwards supports and pushes away mobile internet terminal.
The technical scheme disclosed in the above technical scheme is optimized, the charging connector 2 can be realized by adopting various structures, and a feasible scheme is given here: the charging connector 2 is a PIN interface.
Specifically, the charging connector 2 is connected to an external charging circuit board and other devices, and is convenient for the mobile internet terminal.
When the mobile interconnection terminal is located in the inner cavity, the terminal is in sliding contact with the inner cavity to facilitate access, so that a feasible scheme is given here: the inside wall of inner chamber is provided with the slip sand grip.
Specifically, the sliding convex strips can be arranged on the bottom surface, the top surface and the two side surfaces of the inner cavity, and the movable interconnection terminal is tightly propped through the convex strips, so that the movable interconnection terminal can keep a good posture; meanwhile, the convex strip enables a gap to exist between the mobile interconnection terminal and the inner surface of the bin box 1, so that heat dissipation is facilitated in the charging process; moreover, because of the thermal consideration of giving off, set up a plurality of sand grips when the interval on same side at the inner chamber, the benefit that sets up like this is that the heat dissipation space is bigger, and radiating effect is better.
When the mobile internet terminal is located the inner cavity, the bin box 1 stores the mobile internet terminal, so that the optimal setting is carried out here, and a feasible bin box 1 structure is provided: the front end of the bin box 1 is an opening 101 communicated with the inner cavity, and a bin door 6 is hinged at the opening 101.
Specifically, the bin gate 6 is turned over relative to the bin box 1, a torsion spring is arranged at the bin gate 6, the torsion spring enables the bin gate 6 to be vertical and close the opening 101 under a normal state, and when the mobile interconnection terminal is placed in the inner cavity, the bin gate 6 can be pushed towards the inner cavity by pushing the bin gate 6; when the mobile interconnection terminal is taken out, the elastic columns 3 push the mobile interconnection terminal outwards, and the bin gate 6 is turned outwards under the action of thrust.
When the mobile internet terminal is arranged in the magazine 1, except that the compartment door 6 is blocked to prevent the mobile internet terminal from falling, the magazine 1 disclosed in the above technical scheme is optimized, and the following feasible technical schemes are provided: the magazine 1 is provided with a lock catch assembly 4, and the lock catch assembly 4 is used for fastening the mobile internet terminal.
The locking assembly 4 disclosed in the above technical solution is optimized, and the following concrete feasible solutions are provided: the lock catch component 4 comprises a lock tongue piece, one end of the lock tongue piece is provided with a lock tongue 11 extending into the inner cavity, the other end of the lock tongue piece is provided with a pushing inner ring 12, a driving shaft 9 is arranged at the position of the pushing inner ring 12, a cam 8 which is in contact fit with the pushing inner ring 12 is arranged on the driving shaft 9, and the lock tongue piece is pushed to reciprocate when the cam 8 rotates.
The locking assembly 4 disclosed in the above technical solution is optimized continuously, and the following feasible solutions are mentioned: the spring bolt spare include first spring bolt spare 10 and second spring bolt spare 13, first spring bolt spare 10 and second spring bolt spare 13 set up side by side, set up two cams 8 on the drive shaft 9, two cams 8 respectively with the promotion inner circle 12 cooperation of first spring bolt spare 10 and second spring bolt spare 13, and spring bolt 11 on first spring bolt spare 10 and the second spring bolt spare 13 is located the relative both sides of inner chamber.
Specifically, the first latch piece 10 and/or the second latch piece 13 are/is provided with a return spring 16. Normally, the return spring 16 causes the bolt 11 to extend into the cavity.
The locking assembly 4 is optimized to achieve automatic locking, which is one possible solution: the locking assembly 4 comprises a driving motor 7, and an output shaft of the driving motor 7 is connected with a driving shaft 9 for transmission.
Specifically, a contact switch 14 is arranged at the end of the driving shaft 9, and the contact switch 14 is connected to a control circuit of the driving motor 7 and is used for controlling the start and stop of the driving motor 7; a pressing sheet is arranged at the end part of the driving shaft 9 between the contact switches 14, when the driving shaft 9 rotates, the pressing sheet is driven to turn over, the pressing sheet pushes the contacts of the contact switches 14 to disconnect the contact switches 14, at the moment, the driving motor 7 stops rotating, and the bolt 11 returns to the normal state under the action of the return spring 16.
The structure of the bin box in the technical scheme is optimized, the bin box is convenient to install and fix in the cabinet, and a feasible scheme is given out: the cartridge is provided with a connecting structure 102.
The connecting structure 102 may be a variety of structures, so as to facilitate connection and fixation of the magazine to the cabinet. Specifically, the connecting structure 102 is a protruding connecting hole, and the connecting hole is connected and fixed to the cabinet through a connecting bolt.
Example 2
The embodiment discloses a method for charging by using the charging structure, which aims to identify a correct mobile internet terminal, charge correct terminal equipment and avoid damaging the charging structure.
A charging method of a mobile internet terminal is applied to the charging structure in embodiment 1, and the charging method comprises the following steps:
pushing the mobile interconnection terminal into the inner cavity to enable the serial port of the mobile interconnection terminal to be in contact with the charging connector;
the charging connector identifies the identity of the current mobile internet terminal through the serial port, the charging is started when the identification is correct, and the charging is not performed when the identification is incorrect.
Further, the method for charging the mobile internet terminal disclosed in the above technical scheme is optimized, and before the mobile internet terminal is charged, the method further includes the steps of performing data clearing on the mobile internet terminal and recovering the initial system state.
Specifically, during charging, when the mobile internet terminal enters a bin, a detection switch in the cabinet or in a bin box detects that the terminal enters the bin, meanwhile, a PIN PIN at the tail of the mobile internet terminal is in contact with a PIN PIN of a charging connector, a cabinet single-chip microcomputer mainboard sends a serial port defining command to the PIN PIN of the mobile phone through the PIN PIN, and after the mobile internet terminal receives the command, the mobile internet terminal recognizes and replies a specially defined serial port command to the cabinet to form a detection closed loop; the detection is completed within 300 milliseconds, and after the detection is successful, the cabinet single-chip microcomputer mainboard charges the PIN of the mobile internet terminal through the PIN PIN, so that the automatic charging function of the mobile internet terminal is met.
The above embodiments are just examples of the present invention, but the present invention is not limited to the above alternative embodiments, and those skilled in the art can obtain other various embodiments by arbitrarily combining the above embodiments, and any one can obtain other various embodiments by the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.
Claims (10)
1. A mobile internet terminal charging structure is fixedly arranged in a cabinet and used for accommodating a mobile internet terminal; the method is characterized in that: the mobile internet terminal comprises a bin box (1), wherein an inner cavity for accommodating the mobile internet terminal is arranged in the bin box (1), a charging port (5) is arranged on the side wall of the bin box (1), a charging connector (2) is arranged at the position of the charging port (5), and the charging connector (2) extends into the inner cavity; still be provided with on the lateral wall of storehouse box (1) and play post (3), the one end of bullet post (3) stretches into the inner chamber, and plays post (3) and is used for releasing the inner chamber with mobile internet terminal.
2. The mobile internet terminal charging structure of claim 1, wherein: the charging connector (2) is a PIN interface.
3. The mobile internet terminal charging structure of claim 1, wherein: the inside wall of inner chamber is provided with the slip sand grip.
4. The mobile internet terminal charging structure of claim 3, wherein: the sliding convex strips are arranged on the inner top, the inner bottom and the two side walls of the inner cavity.
5. The mobile internet terminal charging structure of claim 1, wherein: the front end of the bin box (1) is an opening (101) communicated with the inner cavity, and a bin door (6) is hinged to the opening (101).
6. The mobile internet terminal charging structure of claim 1, wherein: the bin box (1) is provided with a lock catch component (4).
7. The mobile internet terminal charging structure of claim 6, wherein: the lock catch component (4) comprises a lock tongue piece, a lock tongue (11) extending into the inner cavity is arranged at one end of the lock tongue piece, a pushing inner ring (12) is arranged at the other end of the lock tongue piece, a driving shaft (9) is arranged at the position of the pushing inner ring (12), a cam (8) which is in contact fit with the pushing inner ring (12) is arranged on the driving shaft (9), and the lock tongue piece is pushed to reciprocate when the cam (8) rotates.
8. The mobile internet terminal charging structure of claim 7, wherein: the spring bolt spare include first spring bolt spare (10) and second spring bolt spare (13), first spring bolt spare (10) and second spring bolt spare (13) set up side by side, set up two cams (8) on drive shaft (9), two cams (8) respectively with first spring bolt spare (10) and the cooperation of promotion inner circle (12) of second spring bolt spare (13), and spring bolt (11) on first spring bolt spare (10) and second spring bolt spare (13) are located the relative both sides of inner chamber.
9. The mobile internet terminal charging structure of claim 7 or 8, wherein: the lock catch component (4) comprises a driving motor (7), and an output shaft of the driving motor (7) is connected with a driving shaft (9) for transmission.
10. The mobile internet terminal charging structure of claim 1, wherein: the cartridge is provided with a connecting structure (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125391.4U CN209881470U (en) | 2019-07-17 | 2019-07-17 | Mobile internet terminal charging structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125391.4U CN209881470U (en) | 2019-07-17 | 2019-07-17 | Mobile internet terminal charging structure |
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| CN209881470U true CN209881470U (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247459A (en) * | 2019-07-17 | 2019-09-17 | 柳州市长航贸易有限公司 | A kind of mobile interchange terminal charge structure and charging method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247459A (en) * | 2019-07-17 | 2019-09-17 | 柳州市长航贸易有限公司 | A kind of mobile interchange terminal charge structure and charging method |
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