CN209660681U - A kind of Intelligent travel suitcase - Google Patents
A kind of Intelligent travel suitcase Download PDFInfo
- Publication number
- CN209660681U CN209660681U CN201822203300.6U CN201822203300U CN209660681U CN 209660681 U CN209660681 U CN 209660681U CN 201822203300 U CN201822203300 U CN 201822203300U CN 209660681 U CN209660681 U CN 209660681U
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- China
- Prior art keywords
- lower box
- controller
- travel suitcase
- intelligent travel
- user
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/18—Devices to prevent theft or loss of purses, luggage or hand carried bags
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The utility model discloses a kind of Intelligent travel suitcase, including upper box and lower box, the controller with intelligent terminal interactive is equipped in lower box, the back of lower box is equipped with range sensor.Controller determines driving distance value according to the distance value that range sensor detects, and drives universal wheel according to the mobile respective distance of distance value by actuator, Intelligent travel suitcase is made to advance in the diagonally forward of user.When range sensor detects that the distance between Intelligent travel suitcase and user are more than the secure threshold upper limit, the sound is issued to remind user by loudspeaker.In addition, the top of lower box is equipped with touch screen for carrying out fingerprint recognition, inner lock buckle and outer clasp are equipped at the closure mouth of upper box and lower box；Inner lock buckle is connect with controller, and the pars contractilis of outer clasp is placed in inner lock buckle；By the opening and closing for the fingerprint state control inner lock buckle that controller is identified according to touch screen, inner lock buckle and outer clasp are locked for the duplicate protection of the Intelligent travel suitcase, improve safety in utilization.
Description
Technical field
The utility model relates to Smart Home technical field more particularly to a kind of Intelligent travel suitcases.
Background technique
It in the modern life, enjoys life with the improvement of living standards, people increasingly understand, loosens mood, travel
It becomes increasingly important.And in travelling, suitcase is essential tool, it can carry many personal travelling objects
Product solve the problems, such as to encounter during people's trip.
Traditional suitcase is mostly made of cabinet, pull rod and idler wheel, and idler wheel is located at the bottom of cabinet, and pull rod is located at cabinet
Back, suitcase can be portable or drags.Since people need using suitcase to be the state gone on a journey or driven a cart,
Long-distance travel often travels on business trips and will cause the tired of body, and heavy suitcase shuttles in each subway and public affairs tired body in tow
Exchange multiply between, or lift and step on vehicle, boarding makes journey very arduous.In order to solve this heavy burden, in the prior art
The suitcase that can be followed is had investigated, i.e., is dragged without people, suitcase can follow user to advance.
It can follow and be equipped with ultrasonic wave system for tracking in suitcase, according to the distance of different ultrasound examinations, realize suitcase
Follow function.But existing suitcase, when following user to advance, although can realize can advance without user's dragging
Purpose.But when due to advancing, suitcase is the rear ramp positioned at user's body, suitcase not in the visual range of user,
User is caused not keep an eye in real time to suitcase, it may appear that a possibility that loss.And existing suitcase is being locked
When need user to be manually entered password to open, operate it is inconvenient so that the use feeling of user is poor.
Utility model content
The utility model provides a kind of Intelligent travel suitcase, inconvenient to solve existing suitcase, so that user
Use feeling and the poor problem of safety.
The utility model provides a kind of Intelligent travel suitcase, comprising: including upper box and lower box, the one of the upper box
Confined space is formed when side and the connection of the side of lower box, fastening, the back of the lower box is equipped with pull rod along its length, institute
The top for stating lower box is equipped with up knob, further includes being set to the intracorporal controller of nowel, the interaction at the top of the lower box
Interface, and, the range sensor set on the lower box back, the range sensor be used to detect the back of lower box with
The distance between user；
The interactive interface is equipped with USB interface and the touch screen for carrying out fingerprint recognition；The touch screen, USB connect
Mouth and range sensor are connect with controller respectively, and the upper end at the lower box back is equipped with loudspeaker, the loudspeaker and control
Device connection processed；
Inner lock buckle and outer clasp are equipped at the closure mouth that the upper box is connected with the other side of lower box；The inner lock buckle
It is connect with controller, the inner lock buckle is first of lock；The pars contractilis of the outer clasp is placed in inner lock buckle, and the outer clasp is
Second lock；
The bottom of the lower box is uniformly distributed there are four universal wheel, and the universal wheel is connect by actuator with controller, institute
The distance value that controller is detected according to range sensor is stated, control actuator starting drives universal wheel mobile, makes by actuator
Intelligent travel suitcase is advanced in the diagonally forward of user.
From the above technical scheme, the utility model embodiment provides a kind of Intelligent travel suitcase, including upper box is under
Cabinet, the interior controller being equipped with intelligent terminal interactive of lower box, the back of lower box is equipped with range sensor, range sensor
The distance between back and user for detecting lower box.Controller determines driving according to the distance value that range sensor detects
Distance value drives universal wheel according to the mobile respective distance of distance value, makes Intelligent travel suitcase in the diagonally forward of user by actuator
It advances.When range sensor detects that the distance between Intelligent travel suitcase and user are more than the secure threshold upper limit, by loudspeaker
The sound is issued to remind user.In addition, the top of lower box is equipped with the touch screen for carrying out fingerprint recognition, upper box and nowel
Inner lock buckle and outer clasp are equipped at the other side closure mouth of body；Inner lock buckle is connect with controller, and the pars contractilis of outer clasp is placed in interior
In lock；The fingerprint state identified by touch screen controls the opening and closing of inner lock buckle, inner lock buckle and external lock by controller
Button is that the duplicate protection of the Intelligent travel suitcase is locked, and improves safety in utilization, increases the experience height of user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Intelligent travel suitcase provided by the embodiment of the utility model；
Fig. 2 is the side view of Intelligent travel suitcase provided by the embodiment of the utility model；
Fig. 3 is the bottom view of Intelligent travel suitcase provided by the embodiment of the utility model；
Fig. 4 is the structural block diagram of Intelligent travel suitcase provided by the embodiment of the utility model；
Fig. 5 is the schematic diagram of determining driving distance provided by the embodiment of the utility model；
Fig. 6 is the schematic diagram of determining current distance value provided by the embodiment of the utility model.
Specific embodiment
Fig. 1 is the structural schematic diagram of Intelligent travel suitcase provided by the embodiment of the utility model；Fig. 2 is the utility model implementation
The side view for the Intelligent travel suitcase that example provides.
Referring to Fig. 1 and Fig. 2, Intelligent travel suitcase provided by the embodiment of the utility model, including upper box 1 and lower box 2, on
The side of cabinet 1 is connect with the side of lower box 2, and when fastening, upper box 1 and lower box 2 form confined space, to prevent intelligence
Clothing in energy suitcase leaks out.The back of lower box 2 is equipped with pull rod 3 along its length, and pull rod 3 is telescopic rod, can be in nowel
It pulls out or is retracted in the back of body 2；The top of lower box 2 is equipped with up knob 4, when user need to get on the bus, walk step, can use holding
It lives in handle 4 and lifts Intelligent travel suitcase walking.
And in order to improve the use degree of Intelligent travel suitcase, Intelligent travel suitcase is additionally provided with side grip 23, and the setting of side grip 23 exists
One middle side edge of lower box 2.When user, which hauls side grip 23, lays flat Intelligent travel suitcase, in order to avoid being generated to cabinet
Several pillars 29 are arranged on the opposite flank for being equipped with side grip 23 in damage, so that the side and ground generate certain distance, keep away
Exempt from directly to contact.
In order to mitigate the intransit burden of user, Intelligent travel suitcase provided in this embodiment can realize automatic traveling, no
It needs user to pull suitcase to advance.For this purpose, being equipped with controller 6, the intelligence of controller 6 and user in lower box 2 in the present embodiment
Terminal interacts；Controller 6 can be interacted by bluetooth or wireless mode with intelligent terminal, or be pacified on intelligent terminal
The control pages such as APP, binding wechat public platform, the wechat small routine of adaptation are filled to realize interaction, this reality of concrete implementation mode
Example is applied to be not specifically limited.The back of lower box 2 is equipped with range sensor 7, and range sensor 7 is connect with controller 6, and distance passes
Sensor 7 is for detecting the distance between back and user of lower box 2.
As shown in figure 4, being opened by intelligent terminal to the transmission of controller 6 when user wants Intelligent travel suitcase and independently advances
The dynamic instruction independently advanced is carried out back and user that lower box 2 is detected apart from detection by 6 command range sensor 7 of controller
The distance between, since user is when advancing, waist can be remained stationary relative to Intelligent travel suitcase, therefore, require intelligent trip
It under the premise of row case is independently advanced, needs for intelligent terminal to be placed near the waist of user, such as in pocket or trousers pocket
In, at this point, intelligent terminal can send a signal to be detected in range sensor 7.
In original state, Intelligent travel suitcase is located at the side of user's body, line and advance between user's body
Direction is about plumbness, and therefore, the distance between the detection of range sensor 7 and intelligent terminal are vertical range, by the distance
Value is sent to controller 6, is handled by the data processing module in controller 6 data.As shown in figure 5, data processing
When, it drafts in a right angled triangle, the distance value that range sensor 7 detects is a right-angle side L1, to make intelligent travelling
Case is advanced in the diagonally forward of user, then the distance for needing to meet is bevel edge L0, which is setting value, is stored in advance in controller
In 6 data processing module.According to Pythagorean theorem, that is, it can determine another right-angle side L2Distance length, which is
Intelligent travel suitcase needs the distance advanced, so that Intelligent travel suitcase can advance in the diagonally forward of user.As it can be seen that the present embodiment provides
Intelligent travel suitcase, can solve in the prior art, Intelligent travel suitcase is automatically at any time, positioned at the rear ramp of user, without
User is facilitated to keep an eye on problem easy to be lost.
As shown in figure 3, the bottom of lower box 2 is uniformly distributed there are four universal wheel 24, universal wheel 24 can be done along the bottom of lower box 2
360 ° of rotations, universal wheel 24 are connect by actuator 10 with controller 6, and actuator 10 can be motor.Controller 6 is passed according to distance
The distance value that sensor 7 detects generates control instruction according to determining driving distance value and is sent to after volume of data is handled
Actuator 10, control actuator 10 start, by actuator 10 drive universal wheel 24 according to determining distance value it is mobile accordingly away from
From, make Intelligent travel suitcase user diagonally forward advance.
User is at the uniform velocity driven the velocity of rotation of universal wheel 24 by actuator 10 when advancing, so that Intelligent travel suitcase can be with
It advances in the diagonally forward of user always, and then sees Intelligent travel suitcase in the range of visibility of user, convenient for user always
Pipe.When user stops, the distance value that range sensor 7 detects gradually is lengthened, as shown in fig. 6, working as current distance value LiIt is super
Out when the outage threshold upper limit, actuator 10 is controlled by controller 6 and is stopped, so that universal wheel 24 stops operating, so that intelligence
Suitcase stops advancing.In the present embodiment, which may be set to 80cm.
It since autonomous traveling may be implemented in Intelligent travel suitcase provided in this embodiment, is pulled without user, although liberation
The both hands of user reduce the burden of user's trip, but due to belonging to discrete state between user and Intelligent travel suitcase, easily
There is the behavior that criminal plunders.Therefore, in order to when criminal plunders user can perceive at the first time, this implementation
In example, it is equipped with loudspeaker 8 in the upper end at 2 back of lower box, loudspeaker 8 is connect with controller 6.
When range sensor 7 detects that the distance between Intelligent travel suitcase and user are more than the secure threshold upper limit, on this
Limit value may be set to 1m, generate alarm command by controller 6 immediately, and be sent to loudspeaker 8, issue the sound by loudspeaker 8
To remind user.
If user hears alarm, but when can not catch up with criminal because of special circumstances, at this point, in order to accurately know
Intelligent travel suitcase current position in road in the present embodiment, is equipped with GPS positioning device 27 in the bottom of lower box 2, GPS is fixed
Position device 27 is connect with controller 6, and GPS positioning device 27 is sent to for positioning to Intelligent travel suitcase by controller 6
Intelligent terminal.
The GPS positioning device 27 of Intelligent travel suitcase in real time positions current location, and is sent at any time by controller 6
Into the intelligent terminal of user, user can take a trip to pursue intelligent location information according to the position of display in an intelligent terminal
Case.
Since Intelligent travel suitcase provided in this embodiment can independently advance, then the Intelligent travel suitcase can be in traveling process
In, it is collided because the barrier that front will bump against can not be predicted, in order to avoid there is such case, in the present embodiment,
It is respectively equipped with infrared sensor 28 in two sides of lower box 2, infrared sensor 28 is connect with controller 6, infrared sensor
28 for detecting the distance between corresponding side surface and barrier of lower box 2.
When detecting that the distance between corresponding side surface and barrier are close there are some infrared sensor 28, by controller
6 by actuator 10 control universal wheel 24 generates the rotation turned to the left or to the right, make the Intelligent travel suitcase avoid the barrier after
It is continuous to advance forward.
When Intelligent travel suitcase is placed in the right side of body by user, by the infrared sensor 28 for being located towards that side of front
The distance between detection and barrier；When Intelligent travel suitcase is placed in the left side of body by user, by the infrared sensing of the other side
The distance between the detection of device 28 and barrier.And when being traveling in the more environment of the stream of people, the outside of suitcase can touch
The people of other walkings can also be in the outside of Intelligent travel suitcase in order to avoid colliding with other people, i.e., upper box 1 is outer
Side setting infrared sensor 28 is led to when the infrared sensor 28 detects that the distance between other people are closer by controller 6
Part 10 of overdriving drive universal wheel 24 to towards the direction of user rotate so that Intelligent travel suitcase towards user direction advance one
Point distance, to avoid the people of other travelings.
In order to improve user to the control convenience of the Intelligent travel suitcase, in the present embodiment, it is equipped at the top of lower box 2
Interactive interface 5, interactive interface 5 is equipped with USB interface 53 and the touch screen 52 for carrying out fingerprint recognition, USB interface 53 are used for
It charges for the intelligent terminal of user, touch screen 52 and USB interface 53 are connect with controller 6 respectively.
Inner lock buckle 21 and outer clasp 22 are equipped at the closure mouth that upper box 1 is connected with the other side of lower box 2；Inner lock buckle 21
It is connect with controller 6, inner lock buckle 21 is first of lock；The pars contractilis of outer clasp 22 is placed in inner lock buckle 21, and outer clasp 22 is the
Two locks；Inner lock buckle 21 and outer clasp 22 are that the duplicate protection of the Intelligent travel suitcase is locked.
The fingerprint that controllable inner lock buckle 21 opens and closes is previously stored in the memory module of controller 6, for example, one
The fingerprint of specific finger is for the unlatching of inner lock buckle 21, and the fingerprint of two specific fingers is for the closing of inner lock buckle 21.For this purpose, working as user
When need to carry out opening or closing operation to the Intelligent travel suitcase, corresponding specific finger is placed on the touch screen 52, is being detected
To after fingerprint, it is sent to controller 6, controller 6 compares the fingerprint with the fingerprint prestored, if with fingerprint phase is opened
Match, then controls the unlatching of inner lock buckle 21；If matched with fingerprint is closed, the closing of inner lock buckle 21 is controlled.
Since inner lock buckle 21 is automatic lock, in order to avoid when Intelligent travel suitcase is that upright state opens inner lock buckle 21, on
Cabinet 1 separates immediately with lower box 2 so that the intracorporal article of case is scattered, and in the present embodiment, setting outer clasp 22 is as last
It unlocks and protects.Outer clasp 22 and inner lock buckle 21 are mechanical connection, can be clamping.It, can be manual by user after inner lock buckle 21 is opened
Outer clasp 22 is extracted out in inner lock buckle 21, realizes fully opening for lock, and then improve user experience.
And when needing to close lock, first outer clasp 22 is inserted into inner lock buckle 21, then with two specific fingers in touch screen 52
Interior input fingerprint, it is final to realize completely closing for lock to control the closing of inner lock buckle 21 by controller 6.
It, need to be into for overweight cabinet since the weight to chest requires when using Intelligent travel suitcase airplane
Row delivery, to avoid waste user from determining the time of Intelligent travel suitcase weight on airport, in the present embodiment, at the bottom of lower box 2
Portion is equipped with weight sensor 26, is additionally provided with display screen 51 on interactive interface 5；The output end of weight sensor 26 and controller 6
Input terminal connection, the output end of controller 6 are connect with display screen 51；Weight sensor 26 is used to detect the weight of Intelligent travel suitcase
Amount, display screen 51 is for showing the weight value.
User using Intelligent travel suitcase install article when, can the current institute's bearing article of real time inspection weight, in order to
User can increase or decrease the weight of article, in the case where size meets, it be made to meet delivery weight or boarding weight,
It is user-friendly.
In long-distance travel, if article is placed in suitcase for a long time, it is possible that moist or peculiar smell, to avoid this
Kind of situation in the present embodiment, is equipped with thermostat 9 in lower box 2, and thermostat 9 is connect with controller 6, thermostat 9 for
The confined space that cabinet 1 and lower box 2 are formed carries out freeze-day with constant temperature.
The opening and closing of thermostat 9 can be controlled by the intelligent terminal of user, when needing to open thermostat, by intelligence
Energy terminal sends open signal to controller 6, then controls thermostat 9 by controller 6 and open, to carry out to the article in suitcase
It is dried, article is avoided peculiar smell occur because of humidity.
In the present embodiment, the work of controller 6 and each sensor and the function of charging for intelligent terminal, by electric power storage
Pond 25 is powered, and battery 25 is arranged in the bottom of lower box 2, battery 25 respectively with controller 6, each sensor and USB
Interface 53 connects.
And in order to make the moment in battery 25 that can store more electric energy, to support the normal work of Intelligent travel suitcase,
Solar panels are equipped in the outer surface of upper box 1, solar panels are connect with battery 25.Solar panels absorb light energy conversion
It is stored in battery 25 for electric energy, to realize the demand for being for a long time each device power supply of Intelligent travel suitcase.
From the above technical scheme, the utility model embodiment provides a kind of Intelligent travel suitcase, including upper box 1 is under
Cabinet 2, the interior controller 6 being equipped with intelligent terminal interactive of lower box 2, the back of lower box 2 is equipped with range sensor 7, distance
Sensor 7 is for detecting the distance between back and user of lower box 2.The distance that controller 6 is detected according to range sensor 7
Value determines driving distance value, drives universal wheel 24 according to the mobile respective distance of distance value by actuator 10, makes Intelligent travel suitcase
It advances in the diagonally forward of user.When range sensor 7 detects that the distance between Intelligent travel suitcase and user are more than secure threshold
When the upper limit, the sound is issued to remind user by loudspeaker 8.In addition, the top of lower box 2 is equipped with the touching for carrying out fingerprint recognition
It touches screen 52, is equipped with inner lock buckle 21 and outer clasp 22 at the other side closure mouth of upper box 1 and lower box 2；Inner lock buckle 21 and control
Device 6 connects, and the pars contractilis of outer clasp 22 is placed in inner lock buckle 21；Pass through controller 6 by the fingerprint state that touch screen 52 identifies
The opening and closing of inner lock buckle 21 are controlled, inner lock buckle 21 and outer clasp 22 are that the duplicate protection of the Intelligent travel suitcase is locked, and raising makes
Use safety.
Claims (7)
1. a kind of Intelligent travel suitcase, including upper box and lower box, the side of the upper box and the side connection of lower box, button
Confined space is formed when conjunction, the back of the lower box is equipped with pull rod along its length, and the top of the lower box is equipped with upper
Hand, which is characterized in that it further include being set to the intracorporal controller of nowel, the interactive interface at the top of the lower box, and, if
Range sensor in the lower box back, the range sensor be used for detect between the back of lower box and user away from
From；
The interactive interface is equipped with USB interface and the touch screen for carrying out fingerprint recognition；The touch screen, USB interface and
Range sensor is connect with controller respectively, and the upper end at the lower box back is equipped with loudspeaker, the loudspeaker and controller
Connection；
Inner lock buckle and outer clasp are equipped at the closure mouth that the upper box is connected with the other side of lower box；The inner lock buckle and control
Device connection processed, the inner lock buckle are first of lock；The pars contractilis of the outer clasp is placed in inner lock buckle, and the outer clasp is second
Road lock；
The bottom of the lower box is uniformly distributed there are four universal wheel, and the universal wheel is connect by actuator with controller, the control
The distance value that device processed is detected according to range sensor, control actuator starting drive universal wheel mobile, make intelligence by actuator
Suitcase is advanced in the diagonally forward of user.
2. Intelligent travel suitcase according to claim 1, which is characterized in that the bottom of the lower box is sensed equipped with weight
Device is additionally provided with display screen on the interactive interface；The output end of the weight sensor and the input terminal of controller connect, described
The output end of controller is connect with display screen；The weight sensor is used to detect the weight of Intelligent travel suitcase, the display screen
For showing the weight value.
3. Intelligent travel suitcase according to claim 1, which is characterized in that the bottom of the lower box is filled equipped with GPS positioning
It sets, the GPS positioning device is connect with controller, and the GPS positioning device passes through control for positioning to Intelligent travel suitcase
Device processed is sent to intelligent terminal.
4. Intelligent travel suitcase according to claim 1, which is characterized in that be equipped with thermostat, the perseverance in the lower box
Warm device is connect with controller, and the thermostat is used to carry out freeze-day with constant temperature to the confined space that upper box and lower box are formed.
5. Intelligent travel suitcase according to claim 1, which is characterized in that two sides of the lower box are respectively equipped with red
Outer sensor, the infrared sensor are connect with controller, the infrared sensor be used to detect the corresponding side surface of lower box with
The distance between barrier.
6. Intelligent travel suitcase according to claim 1, which is characterized in that the bottom of the lower box is equipped with battery, institute
Battery is stated to connect with controller.
7. Intelligent travel suitcase according to claim 6, which is characterized in that the outer surface of the upper box is equipped with solar energy
Plate, the solar panels are connect with battery.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203300.6U CN209660681U (en) | 2018-12-26 | 2018-12-26 | A kind of Intelligent travel suitcase |
| DE202019101006.1U DE202019101006U1 (en) | 2018-12-26 | 2019-02-21 | Smart travel case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203300.6U CN209660681U (en) | 2018-12-26 | 2018-12-26 | A kind of Intelligent travel suitcase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209660681U true CN209660681U (en) | 2019-11-22 |
Family
ID=65910686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822203300.6U Active CN209660681U (en) | 2018-12-26 | 2018-12-26 | A kind of Intelligent travel suitcase |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209660681U (en) |
| DE (1) | DE202019101006U1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463868A (en) * | 2018-12-26 | 2019-03-15 | 南京英维尔科技服务有限公司 | A kind of Intelligent travel suitcase |
| CN114532681A (en) * | 2022-03-18 | 2022-05-27 | 北京达信源科技有限公司 | Separable suitcase of intelligence |
-
2018
- 2018-12-26 CN CN201822203300.6U patent/CN209660681U/en active Active
-
2019
- 2019-02-21 DE DE202019101006.1U patent/DE202019101006U1/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463868A (en) * | 2018-12-26 | 2019-03-15 | 南京英维尔科技服务有限公司 | A kind of Intelligent travel suitcase |
| CN114532681A (en) * | 2022-03-18 | 2022-05-27 | 北京达信源科技有限公司 | Separable suitcase of intelligence |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202019101006U1 (en) | 2019-03-07 |
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