CN106488380B - Data transmission module, data transmission system or data transmission method - Google Patents
Data transmission module, data transmission system or data transmission method Download PDFInfo
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- CN106488380B CN106488380B CN201510525976.5A CN201510525976A CN106488380B CN 106488380 B CN106488380 B CN 106488380B CN 201510525976 A CN201510525976 A CN 201510525976A CN 106488380 B CN106488380 B CN 106488380B
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- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention provides a data transmission module, comprising: an MCU, the MCU having Bluetooth integrated therein; the communication module is connected with the MCU and the equipment; a switch for pairing another data transmission module of the data transmission module; and the power supply control module is used for providing power supply for the MCU, the communication module and the switch. The data transmission module is applied to form a data transmission system with other equipment, and a many-to-one data transmission scheme is met.
Description
Technical Field
The present invention relates to wireless data transmission technologies, and in particular, to a data transmission module, a data transmission system, and a data transmission method using bluetooth transmission.
Background
The existing serial printer mainly realizes printing by connecting an embedded instrument through a cable. The printer and the instrument are limited by cables, too many cables can affect the cleanness of the site, and the application that a plurality of instrument devices share the same printer cannot be met under the condition that no additional device or no instrument is customized.
At present, some printers and meter devices include bluetooth and can also realize wireless transmission, but data transmission is one-to-one, that is, the transmitted data content and the printed content are completely consistent, and different template printing cannot be realized in the same printer. In addition, for the wide range of devices or printers which do not include bluetooth at present, only the wired transmission form can be used for realizing printing. In addition, at present, a separate MCU and a separate Bluetooth are generally adopted, so that the power consumption of the system is higher.
In order to solve the above disadvantages, the present invention provides an improved data transmission technique to overcome the defects in the prior art.
Disclosure of Invention
The invention aims to provide a data transmission module.
According to an aspect of the present invention, there is provided a data transmission module, including: an MCU, the MCU having Bluetooth integrated therein; the communication module is connected with the MCU and the equipment; a switch for controlling pairing of the data transmission module with another data transmission module; and the power supply control module is used for providing power for the MCU, the communication module and the switch.
Further, the device may be any one of a meter, a printer, a mobile phone, a display, a projector.
Further, the power control module includes: a power management module; the capacitor is used for supplementing electric quantity to the power management module and storing redundant electric quantity of the power management module; the communication module supplies power to the power management module.
According to still another aspect of the present invention, there is provided a data transmission system including: the first equipment is connected with the data transmission module; a second device connected to the other data transmission module; the data transmission module is connected with another data transmission module through Bluetooth.
Further, the first device is a meter, and the second device is a printer.
Furthermore, the transmission system further comprises a third device, the third device is in communication connection with the second device through Bluetooth, and the third device is an instrument.
Further, the transmission system further comprises an identification module for identifying whether the first device or the second device is connected to the second device.
According to still another aspect of the present invention, there is provided a data transmission method including: opening a switch in the second data transmission module; opening a switch in the first data transmission module, wherein the first data transmission module is connected with the second data transmission module in a pairing manner; the first device sends data to the first data transmission module; after receiving the data, the first data transmission module transmits the data to the second data transmission module through Bluetooth transmission; and after receiving the data, the second data transmission module sends the data to the second equipment.
Furthermore, the data transmission system further comprises a third device in communication connection with the second device through bluetooth, and after receiving the data sent by the second data transmission module, the second device identifies whether the data is sent by the first device or the third device.
Further, the second device includes a plurality of data processing templates, and the second device selects one data processing template corresponding to the first device or the third device according to the received data and the identification, and performs data processing.
The data transmission module provided by the invention has the following advantages: the low-power consumption Bluetooth transmission technology is adopted, a power supply mode of collecting current of a communication module signal wire and a capacitor dual power supply is adopted, and a many-to-one linked wireless printing service scheme is met.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:
fig. 1 is a block diagram of a data transmission module according to the present invention.
Fig. 2 is a structural diagram of a power control module of the present invention.
Fig. 3 is a block diagram of a data transmission system of the present invention.
FIG. 4 is a schematic view of a print template of the printer.
Fig. 5 is a block diagram of yet another data transmission system of the present invention.
Fig. 6 is a block diagram of yet another data transmission system of the present invention.
Fig. 7 is a block diagram of yet another data transmission system of the present invention.
Fig. 8 is a block diagram of yet another data transmission system of the present invention.
Detailed Description
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides a data transmission module, including: an MCU integrated with Bluetooth; the switch is used for controlling the pairing of the 2 data transmission modules; and the power supply control module supplies power to the MCU.
Referring to fig. 2, the present invention provides a power control module, including: the capacitor is connected with the power management module; the communication module is connected with the power management module; the power management module is connected with other modules.
The power supply control module judges the current working state, if large data transmission is needed, the current in the capacitor and the communication module supplies power to the power supply management module, and the power supply management module supplies power to other modules; when the data transmission module is in standby or small data transmission, the communication module supplies power to the power management module, and then the power management module supplies power to other modules.
Referring to fig. 3, the present invention provides a data transmission system, comprising: the instrument 1, the instrument 2, the instrument N, the instrument 1, the instrument 8230, the instrument 823030, the instrument 1, the instrument 8230, the instrument N, the instrument 8230and the instrument N are respectively and correspondingly connected with one data transmission module B1, B2, the instrument 8230, and the instrument BN printer is connected with the other data transmission module A.
The specific working mode is as follows: and opening switches of the data transmission module A and the data transmission module BX (X is more than or equal to 1 and less than or equal to N), so that the data transmission module A and the data transmission module BX search for each other, the data transmission module BX records the physical address of the data transmission module A for connection, and an indicator lamp on the data transmission module BX flickers to indicate that the pairing is completed. After the pairing is completed, the data to be printed sent by the instrument X connected with the data transmission module BX is received by the data transmission module BX, the data transmission module BX transmits the data to the data transmission module A through Bluetooth, and the data transmission module A transmits the data to the printer to complete the printing.
When a plurality of meters (corresponding to data transmission modules Ba, bb, bc \8230; bg (1 ≦ a, b, c \8230; g ≦ N)) have printing tasks, the data transmission module A confirms connection with one of the data transmission modules Ba, bb, bc \8230; \8230, bg to complete pairing, and if the connection is confirmed with the data transmission module Bb, the printing data sequentially passes through the meter b, the data transmission module Bb and the data transmission module A, and finally is transmitted to a printer to complete printing. At this time, the data transmission module A is connected with one of the Ba, bc, 8230, bg (1 ≤ a, c, 8230, g ≤ N) to complete pairing and a printing task again. By analogy, all printing tasks can be completed. When no data communication exists, all data transmission modules are in a waiting connection state, when data needs to be communicated, a data owner establishes connection, and after the communication is finished, the connection is disconnected, and the data transmission modules enter the waiting connection state again; after the connection is established, the data communication adopts a time slice control mode, the connection is disconnected after timeout, the time length of p is waited, the value of p is between 1ms and 100ms, and the connection establishment is applied again after random selection so as to prevent idle connection.
In the data transmission system, an identification module is further included, and the identification module can identify which meter the data printed by the printer comes from.
In a printer, several printing templates may be provided, as shown in fig. 4. And the printer selects a corresponding printing template to print according to the received data. If necessary, the data collection script is written and downloaded to the data transmission module BX (X is more than or equal to 1 and less than or equal to N). When printing, the data transmission module BX (X is more than or equal to 1 and less than or equal to N) wirelessly transmits the collected data to the data transmission module A and appoints a called printing script; and the data transmission module A embeds the data into the printing script and sends the data to the printer, and the printer completes the printing task.
If the meter 1 \8230 \ 8230 \ N has the bluetooth communication function, the working mode is shown in fig. 5. And opening a switch of the data transmission module A, so that the data transmission module A searches for a physical address of meter 1 \8230 \ 8230; \ N, and an indicator lamp on the data transmission module A flickers to indicate that pairing is completed. After the pairing is completed, the instrument X (X is more than or equal to 1 and less than or equal to N) transmits data to the data transmission module A, and the data transmission module A transmits the data to the printer to complete printing.
Referring to fig. 6, yet another embodiment of the present invention is shown. The N weighing platforms without the Bluetooth function are respectively connected with N data transmission modules BX (X is more than or equal to 1 and less than or equal to N), the data transmission modules BX (X is more than or equal to 1 and less than or equal to N) are connected with a data transmission module A through Bluetooth, and the data transmission module A is connected with an instrument through a communication module.
The instrument is internally provided with a plurality of data processing modules, and after receiving the data, the instrument selects the corresponding data processing module to process according to the content of the data. Such as: the meter can store the data to the corresponding address and can also perform statistical analysis on the data.
Referring to fig. 7, yet another embodiment of the present invention is shown. The N weighing platforms without the Bluetooth function are respectively connected with N wireless low-power consumption programmable printing service data transmission modules BX (X is more than or equal to 1 and less than or equal to N), the data transmission modules BX (X is more than or equal to 1 and less than or equal to N) are connected with a data transmission module A through Bluetooth, and the data transmission module A is connected with a mobile phone through a communication module.
The mobile phone is also provided with a plurality of data processing modules, and after receiving the data, the mobile phone selects the corresponding data processing module to process according to the content of the data. For example, the mobile phone stores the received data in word format, or retransmits the data to another device, or analyzes the received data.
Referring to fig. 8, yet another embodiment of the present invention is shown. The data transmission system shown in FIG. 3 is expanded, M printers can be set, any printer Y (Y is more than or equal to 1 and less than or equal to M) is connected with N data transmission modules BX (X is more than or equal to 1 and less than or equal to N) through a data transmission module AY (Y is more than or equal to 1 and less than or equal to M) through Bluetooth, and the N data transmission modules BX (X is more than or equal to 1 and less than or equal to N) are respectively connected with N instruments.
The working modes of any printer Y (Y is more than or equal to 1 and less than or equal to M) and data transmission module AY (Y is more than or equal to 1 and less than or equal to M) and N data transmission modules BX (X is more than or equal to 1 and less than or equal to N) and N meters are the same as the working mode of the printer in the figure 3. The printing places can be flexibly controlled by increasing the number of the printers, so that the operation of a user is facilitated.
It will be apparent to those skilled in the art that various modifications and variations can be made in the above-described exemplary embodiments of the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (3)
1. A data transmission system comprising:
a data transmission module comprising:
an MCU, the MCU having Bluetooth integrated therein;
the communication module is connected with the MCU and the equipment;
a switch for controlling pairing of the data transmission module with another data transmission module;
the power supply control module is used for providing power supply for the MCU, the communication module and the switch;
the data transmission system further includes:
the first equipment is connected with the data transmission module;
a second device connected to the other data transmission module,
the third equipment is in communication connection with the second equipment through Bluetooth;
the data transmission module is connected with another data transmission module through Bluetooth, the first equipment is an instrument, the second equipment is a printer, and the third equipment is an instrument;
the data transmission system further comprises an identification module for identifying whether the first device or the third device is connected with the second device; the second device comprises a plurality of data processing templates, and selects one data processing template corresponding to the first device or the third device for data processing according to the received data and the identification result of the identification module.
2. A data transmission system as claimed in claim 1, wherein said power control module comprises:
a power management module;
the capacitor is used for supplementing electric quantity to the power management module and storing redundant electric quantity of the power management module;
the communication module supplies power to the power management module.
3. A data transmission method applied to the data transmission system according to claim 1, comprising:
opening a switch in a data transmission module of the second device;
opening a switch in a data transmission module connected with the first equipment, wherein the data transmission module is connected with a data transmission module of the second equipment in a matching way;
the first equipment sends data to the data transmission module;
the data transmission module receives the data and transmits the data to the data transmission module of the second device through Bluetooth transmission;
after receiving the data, the data transmission module of the second device sends the data to the second device;
the data transmission system also comprises third equipment which is in communication connection with the second equipment through Bluetooth, and after the second equipment receives the data sent by the data transmission module, the second equipment identifies whether the data is sent by the first equipment or the third equipment.
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| CN201510525976.5A CN106488380B (en) | 2015-08-25 | 2015-08-25 | Data transmission module, data transmission system or data transmission method |
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| CN110971432B (en) | 2018-09-29 | 2021-05-18 | 华为技术有限公司 | Data transmission method and related device |
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| CN104634432A (en) * | 2013-11-15 | 2015-05-20 | 上海集盛信息技术有限公司 | Intelligent cloud scale |
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