CN114302342A - Clustered data mass sending method and system applied to electronic paper bracelet - Google Patents
Clustered data mass sending method and system applied to electronic paper bracelet Download PDFInfo
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- CN114302342A CN114302342A CN202111402364.9A CN202111402364A CN114302342A CN 114302342 A CN114302342 A CN 114302342A CN 202111402364 A CN202111402364 A CN 202111402364A CN 114302342 A CN114302342 A CN 114302342A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000013524 data verification Methods 0.000 claims abstract description 16
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- 239000000976 ink Substances 0.000 description 17
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- 238000005516 engineering process Methods 0.000 description 6
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- 239000003094 microcapsule Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 206010063385 Intellectualisation Diseases 0.000 description 1
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- 238000012795 verification Methods 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
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Abstract
The embodiment of the invention discloses a clustered data mass sending method and a clustered data mass sending system applied to an electronic paper bracelet. According to the embodiment of the invention, after the electronic paper bracelet is awakened, the image data to be issued is sent to the outside in a broadcasting mode, and other interaction is not carried out between the data issuing device and the electronic paper bracelet during the period. The electronic paper pull ring carries out data verification after data reception is finished, and if the data verification is different, the data issuing device is independently requested to retransmit data, so that the electronic paper pull ring can be updated by taking the coverage range of the base station as a unit, and the electronic paper pull ring can completely cover all carriages in the garage by deploying a plurality of base stations, thereby improving the efficiency of data updating and saving the operation and maintenance time.
Description
Technical Field
The invention relates to the technology of Internet of things and electronic paper, in particular to a clustered data mass texting method and a clustered data mass texting system applied to an electronic paper bracelet.
Background
With the rapid development of emerging technologies, it is difficult for traditional media carriers to meet the visual, fast-paced and interactive demands of users. The appearance and development of electronic paper, the Internet of things and the 5G technology subvert the presentation mode of the traditional media content in the intelligent trip, and the traditional media are endowed with intellectualization and commercialization. According to statistics, the urban rail traffic in China is accumulatively attached to 6178 trains of subway trains by 2019, each train is averagely provided with 300 handles, and the market scale is 200 thousands; the number of the buses in the whole country is 60 thousands by 2020, each bus is equipped with 20 handles on average, and the market size is 1200 thousands. In the face of such a huge pull handle terminal, the low putting efficiency of the traditional paper media cannot meet the development requirements of the current new media and advertising business.
At that time, the electronic paper handle ring needs to be regularly updated with the image data used for publishing, and when data updating is carried out, if a common Bluetooth updating mode is adopted, the efficiency is low.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a clustered data group sending method and system applied to an electronic paper bracelet.
In a first aspect, a clustered data mass sending method applied to an electronic paper bracelet is provided, and the method includes:
the data issuing device wakes up the electronic paper handle ring in the coverage range;
the electronic paper handle ring enters a data receiving state after being awakened;
the data publishing device wirelessly sends an image set to be published in a broadcasting mode, wherein the image set to be published comprises multi-frame image data, and each frame of image data is repeatedly sent for a preset number of times;
after receiving the image set to be issued, each electronic paper handle ring verifies whether the received data is complete;
and responding to the data verification failure, the corresponding electronic paper pull ring sends a retransmission request to the data issuing device to request the retransmission of the data.
Further, the method further comprises:
and responding to the data verification passing, and enabling the corresponding electronic paper handle ring to exit the data receiving state.
Further, the method further comprises:
the data issuing device receives the retransmission request;
and the data issuing device repeatedly sends the data set to be issued in a broadcasting mode according to the retransmission request.
Further, the method further comprises:
the data issuing device receives the retransmission request, wherein the retransmission request comprises the address of the electronic paper handle ring which sends the request;
and the data issuing device sends the image set to be issued to the electronic paper pull tab sending the request in a multicast or unicast mode according to the address.
Further, the data issuing device wirelessly sends the image set to be issued through wireless local area network broadcasting or Bluetooth protocol.
In a second aspect, a clustered data mass-sending system applied to an electronic paper bracelet is provided, the system comprising: the electronic paper bracelet comprises a data issuing device and a plurality of electronic paper bracelets;
the data issuing device is configured to wake up an electronic paper handle ring in a coverage range and wirelessly send an image set to be issued in a broadcasting mode, wherein the image set to be issued comprises multi-frame image data, and each frame of image data is repeatedly sent for a preset number of times;
the electronic paper handle ring is configured to enter a data receiving state after being awakened, check whether received data are complete after receiving the image set to be issued, and send a retransmission request to the data issuing device to request retransmission of the data in response to data check failure.
Further, the electronic paper pull ring is further configured to exit the data receiving state in response to a data verification pass.
Further, the data distribution device is also configured to repeatedly send the data set to be distributed in a broadcasting manner according to the retransmission request after receiving the retransmission request.
Further, the retransmission request includes an address of the electronic paper handle ring that sent the request;
and the data issuing device is also configured to send the image set to be issued to the electronic paper handle ring sending the request in a multicast or unicast mode according to the address after receiving the retransmission request.
Further, the data distribution device is configured to wirelessly transmit the image set to be distributed through wireless local area network broadcasting or bluetooth protocol.
According to the embodiment of the invention, after the electronic paper bracelet is awakened, the image data to be issued is sent to the outside in a broadcasting mode, and other interaction is not carried out between the data issuing device and the electronic paper bracelet during the period. The electronic paper pull ring carries out data verification after data reception is finished, and if the data verification is different, the data issuing device is independently requested to retransmit data, so that the electronic paper pull ring can be updated by taking the coverage range of the base station as a unit, and the electronic paper pull ring can completely cover all carriages in the garage by deploying a plurality of base stations, thereby improving the efficiency of data updating and saving the operation and maintenance time.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of an electronic paper handle ring according to an embodiment of the invention;
FIG. 2 is a schematic circuit diagram of an electronic paper pull ring according to an embodiment of the invention;
fig. 3 is a schematic diagram of a data issuing system applied to a subway electronic paper bracelet according to an embodiment of the present invention;
fig. 4 is a flowchart of a clustered data mass texting method applied to an electronic paper bracelet according to an embodiment of the present invention.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Meanwhile, it should be understood that, in the following description, a "circuit" refers to a conductive loop constituted by at least one element or sub-circuit through electrical or electromagnetic connection. When an element or circuit is referred to as being "connected to" another element or element/circuit is referred to as being "connected between" two nodes, it may be directly coupled or connected to the other element or intervening elements may be present, and the connection between the elements may be physical, logical, or a combination thereof. In contrast, when an element is referred to as being "directly coupled" or "directly connected" to another element, it is intended that there are no intervening elements present.
Fig. 1 is a schematic structural view of an electronic paper bracelet according to an embodiment of the invention. Fig. 2 is a schematic circuit diagram of an electronic paper handle ring according to an embodiment of the present invention. As shown in fig. 1, the electronic paper-based smart grip billboard of this embodiment includes a billboard body 1 and an electronic paper assembly 2. The signboard main body 1 has a grip member 11 and a receiving portion 12 suitable for gripping. The electronic paper assembly 2 has an electronic ink screen 21 and a circuit assembly 22 (see fig. 2) electrically connected to each other. The electronic paper component is disposed in the housing portion 12.
Fig. 2 is a schematic circuit diagram of an electronic paper assembly of the electronic paper-based smart handhold billboard of this embodiment. As shown in fig. 2, the electronic paper assembly 2 includes an electronic ink screen 21 and a circuit assembly 22. The electronic ink display screen is a screen using electronic ink. Electronic ink screens are also known as electronic paper display technology. Electronic ink is a new method and technology for revolutionizing the display of information. Like most conventional inks, electronic ink and the lines that change its color are printable on many surfaces, from curved plastic, polyester film, paper, to cloth. The difference with conventional paper is that electronic ink changes color when powered on and can display changing images, such as a calculator or cell phone. A plurality of microcapsules with small volume are attached to the surface of the electronic ink screen, black particles with negative electricity and white particles with positive electricity are encapsulated, and the particles with different colors are orderly arranged by changing the charges, so that a clearly black-white visual effect is presented. The electronic ink screen is composed of two substrates, on the electronic ink screen an electronic ink formed from countless small transparent granules is coated, said granules are formed from several black and white granules with positive and negative charges which are sealed in the interior liquid microcapsules, and the charged granules with different colours can be moved towards different directions due to the difference of applied electric field, so that the black or white effect can be displayed on the surface of display screen. Thus, black and white patterns and characters like printed matters can be displayed on the surface of the electronic paper, the electronic paper looks very similar to paper, and the reflection phenomenon of the traditional liquid crystal display is avoided in sunlight. Meanwhile, only when the color of the pixel changes (for example, from black to white), the power is consumed, and the picture on the display screen can be still reserved after the power is turned off, so that the power is saved very much.
With the development of technology, electronic ink display screens can be rendered in color in addition to black and white.
Further, the circuit assembly 22 includes a display driving circuit 22a and a wireless communication circuit 22 b. The display driving circuit 22a is electrically connected to the electronic ink screen 21, and is configured to drive the electronic ink screen to perform displaying and refreshing. The wireless communication circuit 22b is used for wirelessly receiving the advertisement content to be displayed and sending the advertisement content to the display driving circuit. Specifically, the wireless communication circuit 22b includes at least one of a bluetooth circuit, a local area network circuit, and a wide area internet of things circuit.
In the present embodiment, in order to reduce power consumption, the wireless communication circuit 22b may enter a sleep state in which the wireless communication circuit 22b is in a low power consumption mode in which power consumption thereof is minimized, in the case where a predetermined condition is satisfied, whereby the battery life can be extended. Meanwhile, the wireless communication circuit 22b will periodically receive information in the sleep mode, and if receiving the wake-up information, the wireless communication circuit 22b will leave the sleep state and enter the normal operation state. In the normal operation state, the wireless communication circuit 22b can normally transmit and receive information.
Fig. 3 is a schematic diagram of a data issuing system applied to a subway electronic paper bracelet according to an embodiment of the present invention. As shown in fig. 3, the data distribution system according to the embodiment of the present invention includes a data distribution device a disposed in a subway station and an electronic paper handle ring B disposed in a subway train car. The electronic paper handle ring B can be used as a handle ring for passengers of a subway train, and meanwhile, an electronic ink screen of the electronic paper handle ring can be used for displaying advertisements or informing information. However, the updating of advertisement or notification information is a problem to be solved. In the embodiment, a set of images to be issued for subsequent exhibition is issued to the electronic paper bracelet B by the data issuing device a (or may be referred to as a base station). Each image set to be published comprises a plurality of frames of images. Each frame image may correspond to different content.
In this embodiment, the data distribution apparatus a may include a controller and a wireless communication apparatus. The wireless communication device can be a Bluetooth communication module or a wireless local area network communication module. The two types of wireless communication modules have larger bandwidth and can simultaneously transmit data in a broadcast mode, a multicast mode or a unicast mode. In the present embodiment, the data distribution device a is configured to wake up an electronic paper handle ring in a coverage area, and wirelessly transmit a set of images to be distributed in a broadcast manner, where the set of images to be distributed includes a plurality of frames of image data, and the transmission of each frame of image data is repeated a predetermined number of times. The electronic paper handle ring B is configured to enter a data receiving state after being awakened, check whether the received data is complete after receiving the image set to be issued, and send a retransmission request to the data issuing device to request for retransmitting the data in response to the data check failing.
Specifically, the e-paper tab ring B is further configured to exit the data receiving state in response to the data verification passing.
The data distribution device A is also configured to repeatedly send the data set to be distributed in a broadcasting mode according to the retransmission request after receiving the retransmission request.
In another alternative embodiment, the retransmission request includes the address of the e-paper tab ring that sent the request.
And the data issuing device is also configured to send the image set to be issued to the electronic paper handle ring sending the request in a multicast or unicast mode according to the address after receiving the retransmission request.
Therefore, the image data to be issued is externally sent in a broadcast mode after the electronic paper bracelet is awakened, and the data issuing device does not interact with the electronic paper bracelet during the period. The electronic paper pull ring carries out data verification after data reception is finished, and if the data verification is different, the data issuing device is independently requested to retransmit data, so that the electronic paper pull ring can be updated by taking the coverage range of the base station as a unit, and the electronic paper pull ring can completely cover all carriages in the garage by deploying a plurality of base stations, thereby improving the efficiency of data updating and saving the operation and maintenance time.
Fig. 4 is a flowchart of a clustered data mass texting method applied to an electronic paper bracelet according to an embodiment of the present invention. As shown in fig. 4, the method includes:
and S100, awakening the electronic paper bracelet in the coverage range by the data issuing device.
Specifically, the data issuing device can wake up the electronic paper bracelet in the coverage area by broadcasting a message with a self address or a wake-up identifier.
And step S200, the electronic paper handle ring enters a data receiving state after being awakened.
Specifically, the wireless communication module of the electronic paper bracelet enters a reception state after receiving a message for waking up, in which the wireless communication module triggers an attempt to receive data on a common channel periodically or in response to a specific message.
Step S300, the data issuing device wirelessly sends an image set to be issued in a broadcasting mode, wherein the image set to be issued comprises multi-frame image data, and each frame of image data is repeatedly sent for a preset number of times.
In an alternative implementation, the transmission is repeated 3 times per frame of image data.
Specifically, the data distribution apparatus may wirelessly transmit data through bluetooth or a wireless local area network.
And S400, after receiving the image set to be issued, each electronic paper handle ring verifies whether the received data is complete.
In particular, the set of images to be published may be sent as a file package accompanied by a corresponding hash code for verification. The content of the file packet is calculated through a hash algorithm to obtain a hash value, and whether the file is completely received or not can be judged by comparing the calculated hash value with the attached hash code.
And step S500, responding to the data verification failure, and sending a retransmission request to the data issuing device by the corresponding electronic paper pull ring so as to request for retransmitting the data.
And step S600, responding to the data verification passing, and enabling the corresponding electronic paper handle ring to exit the data receiving state.
Step S700, the data distribution apparatus receives the retransmission request.
In an alternative implementation, the retransmission request is in a uniform format and does not carry information of the corresponding electronic paper bracelet.
Step S800, the data issuing device repeatedly sends the data set to be issued in a broadcast manner according to the retransmission request.
In another alternative implementation, the retransmission request includes the address of the e-paper tab ring that sent the request.
And step S800', the data issuing device sends the image set to be issued to the electronic paper pull ring sending the request in a multicast or unicast mode according to the address.
Therefore, the image data to be issued is externally sent in a broadcast mode after the electronic paper bracelet is awakened, and the data issuing device does not interact with the electronic paper bracelet during the period. The electronic paper pull ring carries out data verification after data reception is finished, and if the data verification is different, the data issuing device is independently requested to retransmit data, so that the electronic paper pull ring can be updated by taking the coverage range of the base station as a unit, and the electronic paper pull ring can completely cover all carriages in the garage by deploying a plurality of base stations, thereby improving the efficiency of data updating and saving the operation and maintenance time.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A clustered data group sending method applied to an electronic paper bracelet is characterized by comprising the following steps:
the data issuing device wakes up the electronic paper handle ring in the coverage range;
the electronic paper handle ring enters a data receiving state after being awakened;
the data publishing device wirelessly sends an image set to be published in a broadcasting mode, wherein the image set to be published comprises multi-frame image data, and each frame of image data is repeatedly sent for a preset number of times;
after receiving the image set to be issued, each electronic paper handle ring verifies whether the received data is complete;
and responding to the data verification failure, the corresponding electronic paper pull ring sends a retransmission request to the data issuing device to request the retransmission of the data.
2. The method of claim 1, further comprising:
and responding to the data verification passing, and enabling the corresponding electronic paper handle ring to exit the data receiving state.
3. The method of claim 1, further comprising:
the data issuing device receives the retransmission request;
and the data issuing device repeatedly sends the data set to be issued in a broadcasting mode according to the retransmission request.
4. The method of claim 1, further comprising:
the data issuing device receives the retransmission request, wherein the retransmission request comprises the address of the electronic paper handle ring which sends the request;
and the data issuing device sends the image set to be issued to the electronic paper pull tab sending the request in a multicast or unicast mode according to the address.
5. The method according to claim 1, wherein the data distribution device wirelessly transmits the image set to be distributed via wireless local area network broadcasting or bluetooth protocol.
6. The utility model provides a clustered data mass-sending system for electronic paper handle ring which characterized in that, the system includes: the electronic paper bracelet comprises a data issuing device and a plurality of electronic paper bracelets;
the data issuing device is configured to wake up an electronic paper handle ring in a coverage range and wirelessly send an image set to be issued in a broadcasting mode, wherein the image set to be issued comprises multi-frame image data, and each frame of image data is repeatedly sent for a preset number of times;
the electronic paper handle ring is configured to enter a data receiving state after being awakened, check whether received data are complete after receiving the image set to be issued, and send a retransmission request to the data issuing device to request retransmission of the data in response to data check failure.
7. The system of claim 6, wherein the electronic paper bracelet is further configured to exit a data receiving state in response to a data check passing.
8. The system according to claim 6, wherein the data distribution device is further configured to repeatedly transmit the data set to be distributed in a broadcast manner according to the retransmission request after receiving the retransmission request.
9. The system of claim 6, wherein the retransmission request includes an address of the electronic paper pull ring that sent the request;
and the data issuing device is also configured to send the image set to be issued to the electronic paper handle ring sending the request in a multicast or unicast mode according to the address after receiving the retransmission request.
10. The system according to claim 6, wherein the data distribution device is configured to wirelessly transmit the set of images to be distributed via wireless local area network broadcasting or bluetooth protocol.
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| CN202111402364.9A CN114302342A (en) | 2021-11-19 | 2021-11-19 | Clustered data mass sending method and system applied to electronic paper bracelet |
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| CN202111402364.9A CN114302342A (en) | 2021-11-19 | 2021-11-19 | Clustered data mass sending method and system applied to electronic paper bracelet |
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