CN213845689U

CN213845689U - Magnetic suction type electronic ink screen label device

Info

Publication number: CN213845689U
Application number: CN202022976691.2U
Authority: CN
Inventors: 向波
Original assignee: Shenzhen Rongya Iot Technology Co ltd
Current assignee: Shenzhen Rongya Iot Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-30
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to the technical field of electronic display boards, in particular to a magnetic suction type electronic ink screen label device which is small in size, low in cost and convenient to use, comprising a label body, a connector and an adapter, wherein the main surface of the label body is provided with an electronic ink screen, an MCU processor for controlling the display screen is accommodated in an inner cavity of the label body, the label body is provided with a magnetic suction area comprising four contacts, at least one magnetic suction piece is also arranged on the magnetic suction area, the connector comprises a wiring part in magnetic suction type connection with the magnetic suction area and a wire with a USB plug at the tail end, the wiring part is provided with a wiring terminal which is electrically connected with the wire, and a ferromagnetic piece which is matched with the magnetic suction piece and is used for positioning the wiring terminal is arranged around the wiring terminal; the two ends of the adapter are provided with a female terminal and a male terminal, and a communication module which is electrically connected with the female terminal and receives information from an external signal transmitting end is accommodated in the inner cavity of the adapter; the MCU processor controls and adjusts the display content of the display screen when receiving the information sent by the communication module.

Description

Magnetic suction type electronic ink screen label device

Technical Field

The utility model relates to an electronic display board technical field especially relates to a small, with low costs and convenient to use magnetism inhale formula electron ink screen label device.

Background

Electronic display devices are devices that display predetermined text or image contents on a display screen so as to facilitate others to obtain information of a user or facilitate the user to obtain corresponding information in time. The traditional electronic display device is mainly powered by an attached battery or an external power supply, when the battery is used for supplying power, the electronic display device is often designed into a larger size to accommodate the battery due to the restriction of the size and the power supply quantity of the battery, so that the requirement of a user on miniaturization of the electronic display device is difficult to meet, and after the electric quantity of the battery is exhausted, a new battery needs to be replaced, so that the use cost of the electronic display device is increased; the power supply is inserted into a USB port of part of the electronic display device, and due to the limitation of the structure of the USB port, the problem of mismatching between an external connector lug and the USB port is easy to occur, so that the charging and using difficulty of the electronic display device is increased; in addition, the conventional electronic display device needs to connect an external electronic device with the display device through a USB port or add a bluetooth device in the display device for data update, so that the thickness of the display device is increased, which is not favorable for the development of the display device toward miniaturization and light weight.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a magnetic electronic ink screen label device which is small in size, low in cost and convenient to use, aiming at the technical problems of large size, high use cost and difficulty in wiring and inserting.

A magnetic type electronic ink screen label device comprises a label body and a connector used for charging the label body and reading and writing data, wherein an electronic ink screen is arranged on the main surface of the label body, an MCU (microprogrammed control unit) processor used for controlling the electronic ink screen to work and display content is accommodated in the inner cavity of the label body, the label body is further provided with a magnetic suction area comprising four contacts, the four contacts are respectively and electrically connected with the MCU processor, the middle part of each contact is sunken to form a concave part, and at least one magnetic suction piece is further arranged on the magnetic suction area;

the connector comprises a wiring part in magnetic attraction type connection with the magnetic attraction area and a connecting line with a USB plug at the tail end, four wiring terminals which are electrically connected with the connecting line and are respectively and correspondingly matched with each contact in a concave-convex mode to transmit information are arranged on the wiring part, and ferromagnetic parts which are correspondingly matched with the magnetic attraction parts and used for positioning the wiring terminals are arranged around the wiring terminals;

the magnetic electronic ink screen label device also comprises an adapter, wherein one end of the adapter is provided with a female terminal matched with the USB plug, the other end of the adapter is provided with a male terminal which is electrically connected with the female terminal and is used for being matched with external electronic equipment in an inserting way, and an inner cavity of the adapter accommodates a communication module which is electrically connected with the female terminal and is used for receiving information from an external signal transmitting end; and the MCU processor independently controls the electronic ink screen or controls and adjusts the display content of the electronic ink screen when receiving the information sent by the communication module.

In one embodiment, the communication module is a bluetooth signal receiver.

In one embodiment, the magnetic attraction piece is a sheet-shaped magnet which is flatly laid at the bottom of the magnetic attraction area.

In one embodiment, the number of the magnetic suction pieces is two, and the two magnetic suction pieces are symmetrically arranged on any two sides of the magnetic suction area.

In one embodiment, the magnetic poles of the two magnetic attracting elements are opposite.

In one embodiment, the number of the magnetic parts is two or more, and each magnetic part is uniformly arranged around the magnetic area.

In one embodiment, the wire connecting portion has a groove for embedding the ferromagnetic member, and the magnetic member is attracted by the magnetic force of the ferromagnetic member to be embedded in the groove and to be engaged with the ferromagnetic member when the magnetic member is close to the ferromagnetic member.

In one embodiment, the magnetic attraction piece and the four contacts are all tiled on a PCB board accommodated in the tag body and exposed through a window of the tag body shell.

In one embodiment, a shell of the tag body is provided with a limiting groove, and the magnetic attraction area is embedded in the limiting groove and is matched with the MCU processor.

In one embodiment, the magnetic attraction area is arranged on the back surface or any side surface of the label body shell.

The magnetic type electronic ink screen label device of the utility model is implemented by arranging the magnetic suction piece at the magnetic suction area respectively, arranging the ferromagnetic piece at the wiring terminal, and realizing the positioning of the wiring terminal and the contact through the matching of the magnetic suction piece and the ferromagnetic piece, thereby improving the connection stability of the wiring part of the magnetic type electronic ink screen label device while being beneficial to the quick wiring of the magnetic type electronic ink screen label device, being capable of repeatedly charging and discharging and inputting data, and reducing the use cost of the magnetic type electronic ink screen label device; through setting up the adapter that has communication module, can receive the information that external signal transmitting terminal sent, and adjust the content that electronic ink screen shows by the MCU treater according to this information, reach the purpose of renewal display content promptly, this kind of structure has replaced the mode that sets up the bluetooth device at label body inner chamber, the thickness of label body has significantly reduced, and then reduced the volume of magnetism formula electronic ink screen label device, realized magnetism and inhaled formula electronic ink screen label device's miniaturization and frivolousization.

Drawings

Fig. 1 is a schematic structural diagram of a magnetic-type electronic ink screen label device according to an embodiment of the present invention;

fig. 2 is a schematic view of a half-section structure of a tag body according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a connector according to an embodiment of the present invention;

fig. 4 is a schematic half-sectional view of an adapter according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of an MCU processor according to an embodiment of the present invention;

fig. 6 is a schematic block diagram of a tag body according to an embodiment of the present invention;

FIG. 7 is an enlarged partial view of the portion A in the embodiment of FIG. 2;

FIG. 8 is a partially enlarged view of the portion B in the embodiment shown in FIG. 3;

fig. 9 is a schematic circuit diagram of a bluetooth signal receiver according to an embodiment of the present invention;

fig. 10 is a schematic block diagram of an adapter according to an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Please refer to fig. 1, the utility model provides a small, with low costs and convenient to use magnetism inhale formula electron ink screen label device 10, this magnetism inhale formula electron ink screen label device 10 includes label body 100, a connector 200 that is used for charging and data reading and writing to label body 100 and an adapter 300 for label body 100 provides data communication, wherein, label body 100 is used for showing predetermined picture and text or image content, so that user or other people acquire corresponding information, for example, label body 100 can regard as case and bag signboard, work tablet, meeting platform card and other occasions that need to mark user's personal information or article information. The adaptor 300 is used for receiving an external wireless signal, so that the tag body 100 can receive information sent by a device at a longer distance to update the display content. It should be noted that, in the actual use process of the magnetic electronic ink screen tag device 10, whether to set the adaptor 300 may be selected according to actual requirements, that is, under the condition that the user does not have a requirement for receiving remote information, the end of the connector 200 away from the tag body 100 may be connected to a computer, a power supply device or other electronic equipment, so as to implement charging or data updating of the tag body 100.

Referring to fig. 1, 2, 5 and 6, an electronic ink screen 110 is disposed on a main surface of a tag body 100, an MCU processor 120 for controlling the electronic ink screen 110 to work and display content is accommodated in an inner cavity of the tag body 100, the tag body 100 further includes a magnetic attraction area 130 including four contacts 140, the four contacts 140 are electrically connected to the MCU processor 120, a recess is formed in a middle of each contact 140, and at least one magnetic attraction element 150 is disposed on the magnetic attraction area 130. Four contacts 140 on the magnetic attraction area 130 are respectively and correspondingly electrically connected with a VCC pin, an RX pin, a TX pin and a GND pin of the MCU processor 120 to respectively access a voltage, a resistance, a test point, a reference ground and the like, similarly, the tag body 100 is further provided with a display driving circuit, a reset circuit, a crystal oscillator circuit and a reserved LED circuit electrically connected with the MCU processor 120, the reserved LED circuit includes a patch LED160 for indicating the working state of the MCU processor 120, and the patch LED160 may be disposed on the main surface of the tag body 100. Thus, the user can determine the operating status of the MCU processor 120 according to the display status of the patch LED160, so as to detect and respond to the fault problem of the MCU processor 120 in time.

Further, in an embodiment, the tag body 100 is provided with a serial communication interface electrically connected to the MCU processor 120, and correspondingly, the MCU processor 120 is provided with a serial port pin matched with the serial communication interface, that is, the tag body 100 is provided with the serial communication interface as an expansion interface, so that the communication line of the serial communication interface is simple, and only one pair of transmission lines can implement bidirectional communication, thereby reducing the communication cost.

Referring to fig. 1 and 3, the connector 200 includes a connection portion 210 magnetically connected to the magnetic attraction area 130 and a connection line 220 having a USB plug 230 at a terminal thereof, the connection portion 210 is provided with four connection terminals 240 electrically connected to the connection line 220 and respectively corresponding to the contacts 140 for transmitting information, and ferromagnetic members 250 corresponding to the magnetic attraction members 150 and positioning the connection terminals 240 are disposed around the connection terminals 240. It can be understood that the tag body 100 and the connector 200 are engaged with each other by a magnetic attraction structure, such that when the connection portion 210 of the connector 200 is adjacent to the tag body 100, the ferromagnetic member 250 on the connection portion 210 is attracted to the magnetic attraction member 150 by the magnetic force of the magnetic attraction member 150 until the ferromagnetic member 250 engages with the magnetic attraction member 150, so that the connection terminal 240 is inserted into the contact 140 and engaged with the contact 140. In the process of matching the tag body 100 with the connector 200, a user only needs to bring the wiring portion 210 of the connector 200 close to the tag body 100, and the position of the wiring terminal 240 is corrected through the matching of the ferromagnetic piece 250 and the magnetic piece 150, so that the wiring inserting difficulty of the tag body 100 is reduced.

In one embodiment, the magnetic element 150 is a plate-shaped magnet disposed at the bottom of the magnetic region 130. In other words, the magnetic attraction area 130 is entirely magnetic, so that the magnetic attraction between the magnetic attraction area 130 and the connector 200 is relatively large, thereby improving the stability of the connection of the tag body 100.

Referring to fig. 6, in an embodiment, the number of the magnetic attraction pieces 150 is two, and the two magnetic attraction pieces 150 are symmetrically disposed on any two sides of the magnetic attraction area 130. Preferably, the two magnetically attractive elements 150 have opposite poles. For example, the outer side of one of the magnetic attraction pieces 150 is a positive pole, and the outer side of the other magnetic attraction piece 150 is a negative pole, and accordingly, the magnetic property of the connection terminal 240 on the connector 200 is matched with the magnetic property of the magnetic attraction piece 150, so that when the connector 200 is reversely matched with the magnetic attraction area 130, the connector 200 is difficult to be matched with the magnetic attraction area 130 due to the magnetic repulsion force, so as to ensure that the connection terminal 240 on the connector 200 is correctly matched with the different contacts 140 on the magnetic attraction area 130.

In another embodiment, the number of the magnetic members 150 is two or more, and each magnetic member 150 is uniformly disposed around the magnetic region 130. It should be noted that, in actual production, the contact 140 and the magnetic element 150 are respectively mounted on the same plastic element on the housing of the tag body 100, and they may be part modules formed by external processing. In another embodiment, the magnetic attraction member 150 and the four contacts 140 are all tiled on the PCB board accommodated in the tag body 100 and exposed through the window of the housing of the tag body 100, that is, the contacts 140 and the magnetic attraction member 150 may also be connected to the circuit board where the MCU processor 120 is located, and are obtained by plastic encapsulation, so as to control the relative positions of the contacts 140 and the magnetic attraction member 150 during processing, and improve the versatility and quality stability of the product.

The connector 200 is used to mate the tag body 100 with the adaptor 300, or to directly connect the tag body 100 to an external electronic device or a power supply device, and it can be understood that the connector 200 is used as an adapter for the tag body 100 and the external device, so as to reduce the difficulty of wiring and plugging of the tag body 100. Referring to fig. 3, 7 and 8, in an embodiment, the wire connecting portion 210 has a groove 211 for embedding the ferromagnetic member 250, and when the magnetic attraction member 150 is close to the ferromagnetic member 250, the magnetic attraction member is attracted by the magnetic force of the ferromagnetic member 250 to be embedded in the groove 211 and to be engaged with the ferromagnetic member 250. Preferably, the inner surface of the contact 140 has an inverted conical structure, and the terminal 240 has a shape corresponding to the contour of the inner surface of the contact 140. Therefore, on the one hand, the matching area between the connection terminal 240 and the inner surface of the contact 140 is increased, and on the other hand, the connection terminal 240 is restricted by the inner surface of the contact 140 and limited by the magnetic force of the magnetic attraction piece 150 and the ferromagnetic piece 250, and is not easy to fall off from the magnetic attraction area 130, so that the stability and reliability of the connection of the tag body 100 are improved.

In an embodiment, a limiting groove is formed on the housing of the tag body 100, and the magnetic attraction area 130 is embedded in the limiting groove and is matched with the MCU processor 120, so as to further improve the positioning effect of the tag body 100 on the connector 200 and reduce the wiring difficulty of the tag body 100.

In an embodiment, the four contacts 140 of the magnetic attraction area 130 are arranged side by side, and the number of the ports is increased, so that the matching area between the connection terminal 240 and the magnetic attraction area 130 is increased, and on the other hand, the connection relationship between the four contacts 140 and the functional pins of the MCU processor 120 can be adjusted to realize multiple signal transmission functions of the tag body 100. Further, in an embodiment, the magnetic attraction area 130 is disposed on the back surface or any one side surface of the housing of the tag body 100. Preferably, the magnetic attraction area 130 is arranged on the back of the housing of the tag body 100, and the housing back of the tag body 100 is wider, so that the difficulty of the magnetic attraction area 130 is reduced.

Referring to fig. 4, one end of the adaptor 300 is provided with a female terminal 310 matched with the USB plug 230, the other end of the adaptor 300 is provided with a male terminal 320 electrically connected with the female terminal 310 and used for being plugged and matched with an external electronic device, and an inner cavity of the adaptor 300 accommodates a communication module 330 electrically connected with the female terminal 310 and used for receiving information from an external signal transmitting end. During the operation of the magnetic electronic ink screen label device 10, the MCU processor 120 controls the electronic ink screen 110 independently or controls and adjusts the display content of the electronic ink screen 110 when receiving the information sent by the communication module 330. Further, the communication module 330 is a bluetooth signal receiver. Referring to fig. 4, 9 and 10, when the bluetooth signal receiver receives a wave signal transmitted by an external signal transmitter, such as a mobile phone or a tablet pc with a bluetooth signal transmitter, the bluetooth signal receiver converts the wave signal into an electrical signal form and transmits the electrical signal form to the receiving pin of the MCU processor 120 through the connector 200, and the MCU processor 120 transcodes the signal after receiving the signal, so as to form an information stream for adjusting the display content of the electronic ink screen 110, thereby updating the display content.

The communication module 330 is connected to the male terminal 320 through a DC-DC conversion module to obtain a voltage, and the communication module 330 is provided with a VCC pin, an RX pin, a TX pin, and a GND pin, which are electrically connected to the female terminal 310, respectively, to realize data and electrical signal interaction with the connector 200 and the tag body 100.

Implement the utility model discloses a magnetism is inhaled formula electronic ink screen label device 10, through respectively inhale district 130 department and set up magnetism and inhale piece 150 in magnetism, set up ferromagnetic piece 250 in binding post 240 department, inhale piece 150 and ferromagnetic piece 250 cooperation through magnetism and realize the location to binding post 240 and contact 140, when doing benefit to magnetism and inhale formula electronic ink screen label device 10 and wiring fast wiring, promoted magnetism and inhale the stability that formula electronic ink screen label device 10 wiring portion 210 bit connects, can repeatedly charge and discharge and carry out data input, reduced the use cost of magnetism and inhale formula electronic ink screen label device 10; through setting up adapter 300 that has communication module 330, can receive the information that the external signal transmitting terminal sent, and adjust the content that electronic ink screen 110 shows by MCU treater 120 according to this information, reach the purpose of renewal display content promptly, this kind of structure has replaced the mode that sets up the bluetooth device at the label body 100 inner chamber, the thickness of label body 100 has been reduced greatly, and then reduced the volume of magnetism formula electronic ink screen label device 10, the miniaturization and the frivolousization of magnetism formula electronic ink screen label device 10 have been realized inhaling.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A magnetic type electronic ink screen label device (10) comprises a label body (100) and a connector (200) used for charging the label body (100) and reading and writing data, and is characterized in that an electronic ink screen (110) is arranged on a main surface of the label body (100), an MCU (microprogrammed control unit) processor (120) used for controlling the electronic ink screen (110) to work and display content is accommodated in an inner cavity of the label body (100), the label body (100) is further provided with a magnetic attraction area (130) comprising four contacts (140), the four contacts (140) are respectively and electrically connected with the MCU processor (120), the middle of each contact (140) is sunken to form a concave part, and at least one magnetic attraction piece (150) is further arranged on the magnetic attraction area (130);

the connector (200) comprises a wiring part (210) in magnetic attraction connection with the magnetic attraction area (130) and a connecting wire (220) with a USB plug (230) at the tail end, four wiring terminals (240) which are electrically connected with the connecting wire (220) and are respectively in concave-convex fit with the contacts (140) correspondingly to transmit information are arranged on the wiring part (210), and ferromagnetic parts (250) which are correspondingly matched with the magnetic attraction parts (150) and used for positioning the wiring terminals (240) are arranged around the wiring terminals (240);

the magnetic electronic ink screen label device (10) further comprises an adapter (300), a female terminal (310) matched with the USB plug (230) is arranged at one end of the adapter (300), a male terminal (320) electrically connected with the female terminal (310) and used for being matched with external electronic equipment in an inserting mode is arranged at the other end of the adapter (300), and a communication module (330) electrically connected with the female terminal (310) and used for receiving information from an external signal transmitting end is accommodated in an inner cavity of the adapter (300); the MCU processor (120) independently controls the electronic ink screen (110) or controls and adjusts the display content of the electronic ink screen (110) when receiving the information sent by the communication module (330).

2. A magnetically attractable electronic ink screen tag device according to claim 1, wherein the communication module (330) is a bluetooth signal receiver.

3. A magnetic-type electronic ink screen label device according to claim 1, wherein the magnetic member (150) is a sheet magnet tiled at the bottom of the magnetic area (130).

4. A magnetic electronic ink screen label device according to claim 1, wherein the number of magnetic attraction pieces (150) is two, and two magnetic attraction pieces (150) are symmetrically disposed on any two sides of the magnetic attraction area (130).

5. A magnetically attractable electronic ink screen tag device according to claim 4, wherein the poles of the two magnetically attractable elements (150) are opposite.

6. A magnetic electronic ink screen label device according to claim 1, wherein the number of magnetic attraction pieces (150) is two or more, and each magnetic attraction piece (150) is uniformly arranged around the magnetic attraction area (130).

7. A magnetic attraction type electronic ink screen label device according to claim 1, wherein the wiring portion (210) is provided with a groove (211) for embedding the ferromagnetic member (250), and when the magnetic attraction member (150) is close to the ferromagnetic member (250), the magnetic attraction member is attracted by the magnetic force of the ferromagnetic member (250) to be embedded in the groove (211) and to be engaged with the ferromagnetic member (250).

8. A magnetic electronic ink screen label assembly as claimed in claim 1, wherein the magnetic element (150) and the four contacts (140) are disposed flat on a PCB board housed in the label body (100) and exposed through a window of a housing of the label body (100).

9. The magnetic type electronic ink screen tag device according to claim 1, wherein a limit groove is formed in a housing of the tag body (100), and the magnetic attraction area (130) is embedded in the limit groove and is matched with the MCU processor (120).

10. A magnetic electronic ink screen label device according to any of claims 1 to 9, wherein the magnetic attraction area (130) is disposed on the back or any side of the outer shell of the label body (100).