CN111309763A - Input system with batch transmission function and method thereof - Google Patents
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Abstract
The invention provides an input system with batch transmission function and a method thereof, which is characterized in that the class time corresponding to the current time is inquired from a server terminal, so that a front-end device loads a student list of the class time, when the front-end device senses the input information, the input information is compared with the student list, when the input information exists in the student list, confirmation information is generated to output and temporarily store the input information, and when the front-end device senses that no new input exists in a period of time after sensing, and the period of time exceeds a preset time interval, a trigger signal is generated to transmit the temporarily stored input information to the server terminal, so as to achieve the technical effect of improving the input reliability.
Description
Technical Field
The present invention relates to an input system and method thereof, and more particularly, to an input system and method thereof with batch transmission function capable of transmitting input information in batches to reduce server side pressure.
Background
In recent years, with the spread and vigorous development of teaching electronics, various education-related applications such as bamboo shoots appear in spring after rain, and electronic sign-in is one of the applications that receives attention from various fields.
Generally, electronic check-in is performed by sensing or scanning a student's identity or an identification card to confirm the identity of a person and achieve the purpose of check-in, for example, a front-end device can obtain input information including a student number each time the student's identity is sensed, and sends a request to a server for check-in processing according to the input information. However, when the number of people is large and the operation is frequent, each time the input information is generated and the server is requested to perform the check-in process, a large number of requests are concentrated in the same time and transmitted to the server, so that the pressure of the server is increased greatly, and when the server is difficult to digest the requests, the request time is over (Timeout), even the input information is lost, so that the input reliability is not good.
In view of the above, manufacturers have proposed a technical means of load balancing, which allocates each request to different servers for sign-in processing through load balancing, and then returns the sign-in result to the front-end device in a unified manner. However, this method also requires waiting for the server to reply the check-in result, and when the network bandwidth is insufficient or the number of requests is greater than that of all the servers, the request time is out of date, or even the input information is lost. There is still a problem of poor input reliability.
In view of the above, it is known that the input reliability in the prior art has been poor for a long time, and therefore, it is necessary to provide an improved technical means to solve the problem.
Disclosure of Invention
The invention provides an input system with a batch transmission function and a method thereof.
First, the present invention provides an input system with batch transmission function, the system includes: server side and front end device. The server is used for receiving input information and pre-storing class schedule information, wherein the class schedule information comprises a plurality of class times, and each class time comprises a student list; the front-end device includes: the device comprises a loading module, a sensing module, a processing module and a transmission module. The loading module is used for selecting one of the class schedule information from the server side, and inquiring the class time which is consistent with the current time in the selected class schedule information so as to load a student list contained in the inquired class time; the sensing module is used for continuously sensing input information, temporarily storing the input information to the storage element in sequence, and generating a trigger signal when no new input is detected within a period of time after the input information is sensed again and a preset time interval is exceeded; the processing module is electrically connected with the loading module and the sensing module and used for comparing the sensed input information with the student list one by one when the input information is sensed, and generating corresponding confirmation information for outputting when the input information exists in the student list; the transmission module is used for transmitting the temporarily stored input information to the server side when the trigger signal is generated.
In addition, the invention provides an input method with batch transmission function, which is applied to a network environment with a server end and a front end device, and comprises the following steps: the server side provides class schedule information, wherein the class schedule information comprises a plurality of class times, and each class time comprises a student list; the front-end device selects one of the class schedule information from the server, and inquires the class time corresponding to the current time in the selected class schedule information so as to load a student list contained in the inquired class time; the front-end device continuously senses the input information, compares the sensed input information with the student list one by one when sensing the input information, and generates corresponding confirmation information to output when the input information exists in the student list; the front-end device temporarily stores input information to the storage element in sequence, senses that no new input exists in a period of time after the input information sensed at the time and generates a trigger signal when the time exceeds a preset time interval; the front-end device transmits the temporarily stored input information to the server side when the trigger signal is generated.
The system and the method provided by the invention are different from the prior art in that the classroom time corresponding to the current time is inquired from the server terminal, so that the front-end device loads a student list of the classroom time, when the front-end device senses the input information, the input information is compared with the student list, when the input information exists in the student list, confirmation information is generated to output and the input information is temporarily stored, and when the front-end device senses that no new input exists in a period of time after sensing, and the period of time exceeds a preset time interval, a trigger signal is generated to transmit the temporarily stored input information to the server terminal.
Through the technical means, the invention can achieve the technical effect of improving the input reliability.
Drawings
FIG. 1 is a system block diagram of an input system with batch transfer capability according to the present invention.
FIG. 2 is a flowchart of an input method with batch transfer function according to the present invention.
Fig. 3 is a schematic diagram of obtaining input information and transmitting the input information to a server side by applying the invention.
Fig. 4 is a schematic diagram of outputting the confirmation information according to the present invention.
Description of the symbols:
110 server side
120 front end device
121 load module
122 sensing module
123 processing module
124 transfer module
125 retransmission module
300 front end device
310 sensing region
311 certificate of student
320 screen
410 acknowledgement information
420 light emitting diode
430 loudspeaker
Detailed Description
The following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present invention can be fully understood and implemented.
Before describing the input system with batch transmission function and the method thereof disclosed by the present invention, a description is given of a network environment applied by the present invention, wherein the network environment includes a wired network or a wireless network or a combination of both, so as to facilitate communication between the server and the front-end device. The wired network can be connected by telephone lines, twisted pair lines, cable lines, optical fibers and the like; the wireless network may be implemented by wireless communication technologies such as Bluetooth (Bluetooth), Wi-Fi, LoRa, ZigBee, CoAP (connectivity assistance Protocol), mqtt (message Queuing technical transport), and the like.
Referring to fig. 1, fig. 1 is a system block diagram of an input system with batch transmission function according to the present invention, where the system includes: server side 110 and head-end device 120. The server 110 is configured to receive input information and pre-store schedule information, where the schedule information includes a plurality of classroom times, and each classroom time includes a student list. In practical implementation, the input information is from a school number or an identification code or the like sensed by the front-end device 120; the student list also has a school number or an identification code so as to be compared with the sensed school number or the identification code, when the comparison is consistent, the student finishes signing in, and when the comparison is inconsistent, the student finishes signing in.
In part of the front end device 120, comprising: a loading module 121, a sensing module 122, a processing module 123 and a transmitting module 124. The loading module 121 is configured to select one of the schedule information from the server 110, and query the selected schedule information for the classroom time corresponding to the current time, so as to load a student list included in the queried classroom time. In practical implementation, the parameters may be preset by the manager of the classroom, so that the loading module 121 selects the corresponding schedule information from the server 110 according to the set parameters.
The sensing module 122 is configured to continuously sense input information, sequentially temporarily store the input information in the storage element, and generate a trigger signal when no new input is detected within a period of time after the input information is sensed and a preset time interval is exceeded. In practical implementation, the front-end device 120 may start the timer to start counting when the input information is sensed, and reset the timer to zero and count again until the input information is sensed again, and when the counting result of the timer exceeds a preset time interval (e.g., 2 seconds), it represents that no new input information is sensed within 2 seconds after the input information is sensed, so that a trigger signal is generated. In addition, the sensing of the input information can be realized by scanning a barcode (e.g., a one-dimensional barcode, a two-dimensional barcode, etc.) of an Identification card or a student card or sensing an Identification card or a student card embedded with a radio frequency Identification Tag (RFID Tag) to obtain corresponding input information, for example: name, school number, identification code, etc.
The processing module 123 is electrically connected to the loading module 121 and the sensing module 122, and configured to compare the input information with the loaded student list one by one when the input information is sensed, and generate corresponding confirmation information for outputting when the input information exists in the student list. For example, if the student list has the school number "24132" and the sensed input information is "24132", when the processing module 123 compares the two numbers, the two numbers are the same and represent that the input information exists in the student list, so that a confirmation information (e.g., "checked-in") is generated and output. In practical implementation, the manner of outputting the confirmation information may be implemented by displaying text, images, or playing sound, or driving a light emitting diode, etc. to indicate that the check-in is completed.
The transmitting module 124 is electrically connected to the processing module 123, and is configured to transmit the temporarily stored input information to the server 110 when the trigger signal is generated. That is, only when a period of time after the input information is sensed does not sense new input information and the period of time exceeds the preset time interval, the accumulated input information is transmitted to the server 110 together, otherwise, if the period of time does not exceed the preset time interval, the period of time represents that the front-end device 120 is in a very frequent sensing state, so that the transmission of the input information to the server 110 is delayed, and a request is prevented from being generated when an input information is sensed, which results in that the server 110 cannot handle the request due to an excessive number of requests. In other words, when the input information is not frequently received, the buffered input information is encapsulated and transmitted to the server 110, and the server 110 only needs to process one request. In this way, the number of requests can be effectively reduced, and the processing pressure of the server 110 is further reduced. In practical implementation, the input information and the student list can be transmitted through at least one of RJ45, RS-485, LoRa, Wi-Fi, Bluetooth, ZigBee, CoAP and MQTT.
Specifically, the front-end device 120 of the present invention may further include a retransmission module 125, electrically connected to the transmission module 124, for transferring the input message with failed transmission to the retransmission Queue (Queue) when the input message fails to be transmitted, and retransmitting the input message in the retransmission Queue to the server 110 at a predetermined time interval (e.g., 2 seconds) until the retransmission Queue is empty. That is, assuming the predetermined time interval is 2 seconds, the retransmission is performed every 2 seconds.
It should be noted that, in practical implementation, each module described in the present invention can be implemented by various means, including software, hardware or any combination thereof, for example, in some embodiments, the module can be implemented by software and hardware or one of them, besides, the present invention can also be implemented partially or completely by hardware, for example, one or more modules in the System can be implemented by an integrated circuit Chip, a System on Chip (SoC), a Complex Programmable Logic Device (CPLD), a Field Programmable Gate Array (FPGA), and so on. The present invention may be a system, method and/or computer program. The computer program may include a computer readable storage medium having computer readable program instructions embodied thereon for causing a processor to implement various aspects of the present invention, the computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, but is not limited to, an electronic storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: hard disk, random access memory, read only memory, flash memory, compact disk, floppy disk, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical signals through a fiber optic cable), or electrical signals transmitted through a wire. Additionally, the computer-readable program instructions described herein may be downloaded to the various computing/processing devices from a computer-readable storage medium, or over a network, for example: the internet, the local area network, the wide area network and/or the wireless network are downloaded to the external computer equipment or the external storage equipment. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, hubs and/or gateways. The network card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device. The computer program instructions which perform the operations of the present invention may be combinatorial language instructions, instruction set architecture instructions, machine dependent instructions, microinstructions, firmware instructions, or Object Code (Object Code) written in any combination of one or more programming languages, including an Object oriented programming language, such as: common Lisp, Python, C + +, Objective-C, Smalltalk, Delphi, Java, Swift, C #, Perl, Ruby, and PHP, among others, as well as conventional Procedural (Procedural) programming languages, such as: c or a similar programming language. The computer readable program instructions may execute entirely on the computer, partly on the computer, as a stand-alone software application, partly on the client computer and partly on the remote computer or entirely on the remote computer or server.
Next, referring to fig. 2, fig. 2 is a flowchart of a method of an input method with batch transmission function according to the present invention, applied in a network environment having a server 110 and a front-end device 120, including the steps of: the server 110 provides the schedule information, which includes a plurality of classroom times, and each classroom time includes a student list (step 210); the front-end device 120 selects one of the schedule information from the server 110, and queries the classroom time corresponding to the current time in the selected schedule information to load the student list included in the queried classroom time (step 220); the front-end device 120 continuously senses the input information, and when the front-end device 120 senses the input information, the sensed input information is compared with the student list one by one, and when the input information exists in the student list, corresponding confirmation information is generated to output (step 230); the front-end device 120 temporarily stores the input information into the storage element in sequence, and generates a trigger signal when no new input is detected within a period of time after the input information is detected and a preset time interval is exceeded (step 240); the front-end device 120 transmits the buffered input information to the server 110 when the trigger signal is generated (step 250). Through the above steps, the classroom time corresponding to the current time can be queried from the server 110, so that the front-end device 120 loads the student list of the classroom time, when the front-end device 120 senses the input information, the input information is compared with the student list, when the input information exists in the student list, the input information is output and temporarily stored, and when the front-end device 120 senses that no new input exists within a period of time after sensing, and the period of time exceeds a preset time interval, a trigger signal is generated to transmit the temporarily stored input information to the server 110.
In addition, after step 250, the front-end device 120 can also transfer the input message with failed transmission to the retransmission queue when the input message fails to be transmitted, and retransmit the input message in the retransmission queue to the server 110 at a preset time interval until the retransmission queue is empty (step 260). Therefore, the input information can not be lost.
Referring to fig. 3, fig. 3 is a schematic diagram illustrating an embodiment of obtaining input information and transmitting the input information to a server according to the present invention. In practical implementation, it is assumed that the front-end device 300 to which the present invention is applied is provided at the doorway of a classroom, and has a sensing area 310 for sensing the rfid tag of a student certificate 311, so as to obtain a unique student number or identification code as input information; and a screen 320 for displaying schedule information or a list of students (also having school signs or identification codes) to be attended at the classroom time. The front-end device 300 initially selects one of the schedule information from the server 110 (for example, the schedule information applicable to the classroom is specified according to the parameters preset by the administrator), and then the front-end device 300 queries the classroom time corresponding to the current time from the selected schedule information according to the current time, and loads the list of students included in the schedule information. When the student intends to sign on, the student certificate 311 is close to the sensing area 310, so that the sensing area 310 can smoothly sense the student number or the identification code as the input information, and then the front-end device 300 temporarily stores the input information in the storage element, and generates the trigger signal when no new input is made within a period of time after the input information is sensed and the period of time exceeds a preset time interval. In addition, when the input information is sensed, the sensed input information is compared with the loaded student list, and when the input information exists in the loaded student list, corresponding confirmation information is generated to be output. Finally, the front-end device 300 transmits the temporarily stored input information to the server 110 through the wired network or the wireless network when the trigger signal is generated. Therefore, it is effectively avoided that the server 110 cannot be loaded due to frequent requests generated when a request is generated upon sensing an input message.
Fig. 4 is a schematic diagram of outputting the acknowledgement information according to the present invention, as shown in fig. 4. As mentioned above, when the input information is sensed, the sensed input information is compared with the loaded student list, and when the input information exists in the loaded student list, corresponding confirmation information is generated for output. For example, assuming that the sensed input information is the school number "24134" and the loaded student list also has the school number "24134", the generated confirmation information 410 is "school number: 24134; the state is as follows: signed "then the confirmation message 410 may be output To the screen 320 for display, or the led 420 may be illuminated green To indicate signed-in, the led 420 may be illuminated red To indicate failed signed-in, or the confirmation message may be converted To Speech using Text-To-Speech (TTS) techniques and played through the speaker 430. In practical implementation, the screen 320, the led 420 and the speaker 430 may be used together to output the confirmation message.
In summary, it can be seen that the difference between the present invention and the prior art is that the class time corresponding to the current time is queried from the server, so that the front-end device loads the student list of the class time, when the front-end device senses the input information, the input information is compared with the student list, when the input information exists in the student list, the confirmation information is generated for outputting and the input information is temporarily stored, and when the front-end device senses that no new input exists within a period of time after sensing, and the period of time exceeds a preset time interval, the trigger signal is generated to transmit the temporarily stored input information to the server, so that the technical means can solve the problems in the prior art, and further achieve the technical effect of improving the input reliability.
Although the present invention has been described with reference to the foregoing embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. An input system with batch transmission function, the system comprising:
the server is used for receiving a plurality of input information and pre-storing at least one class schedule information, wherein the class schedule information comprises a plurality of class times, and each class time comprises a student list; and
a front-end device, the front-end device comprising:
the loading module is used for selecting one of the class schedule information from the server side, inquiring the class time which is consistent with the current time in the selected class schedule information, and loading the student list contained in the inquired class time;
the sensing module is used for continuously sensing the input information, temporarily storing the input information to the storage element in sequence, and generating a trigger signal when no new input is sensed within a period of time after the input information is sensed for the second time and a preset time interval is exceeded;
the processing module is electrically connected with the loading module and the sensing module and used for comparing the sensed input information with the student list one by one when the input information is sensed, and generating corresponding confirmation information for outputting when the input information exists in the student list;
and
and the transmission module is electrically connected with the processing module and used for transmitting the temporarily stored input information to the server side when the trigger signal is generated.
2. The input system of claim 1, wherein the front-end device further comprises a retransmission module electrically connected to the transmission module for transferring the input message with failed transmission to a retransmission queue when the input message fails to be transmitted, and retransmitting the input message in the retransmission queue to the server at a predetermined time interval until the retransmission queue is empty.
3. The input system with batch transmission function as recited in claim 1, wherein the front end device starts a timer to start timing when sensing the input information, and resets the timer to zero and count again when sensing the input information again.
4. The input system of claim 1, wherein the confirmation message is outputted by at least one of a screen, a light emitting diode and a speaker.
5. The input system with batch transmission function of claim 1, wherein the input information and the student list are transmitted through at least one of RJ45, RS-485, LoRa, Wi-Fi, bluetooth, ZigBee, CoAP and MQTT.
6. An input method with batch transmission function is applied to a network environment with a server end and a front end device, and is characterized by comprising the following steps:
the server side provides at least one class schedule information, the class schedule information comprises a plurality of class times, and each class time comprises a student list;
the front-end device selects one of the class schedule information from the server, and inquires the class time corresponding to the current time in the selected class schedule information so as to load the student list contained in the inquired class time;
the front-end device continuously senses a plurality of input information, compares the sensed input information with the student list one by one when sensing the input information, and generates corresponding confirmation information for outputting when the input information exists in the student list;
the front-end device temporarily stores the input information to a storage element in sequence, and generates a trigger signal when no new input is sensed within a period of time after the input information sensed next time and a preset time interval is exceeded; and
the front-end device transmits the temporarily stored input information to the server when the trigger signal is generated.
7. The method as claimed in claim 6, further comprising the step of the front-end device transferring the input message with failed transmission to a retransmission queue when the input message fails to be transmitted, and retransmitting the input message in the retransmission queue to the server at a predetermined time interval until the retransmission queue is empty.
8. The input method with batch transmission function as recited in claim 6, wherein the front end device starts a timer to start timing when sensing the input information, and resets the timer to zero and count again when sensing the input information again.
9. The input method of claim 6, wherein the confirmation message is outputted by at least one of a screen, a light emitting diode and a speaker.
10. The input method with batch transmission function of claim 6, wherein the input information and the student list are transmitted through at least one of RJ45, RS-485, LoRa, Wi-Fi, bluetooth, ZigBee, CoAP and MQTT.
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