CN114084620B - System and method for controlling tape machine based on dual-tone multi-frequency coding - Google Patents
System and method for controlling tape machine based on dual-tone multi-frequency coding Download PDFInfo
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- CN114084620B CN114084620B CN202111440746.0A CN202111440746A CN114084620B CN 114084620 B CN114084620 B CN 114084620B CN 202111440746 A CN202111440746 A CN 202111440746A CN 114084620 B CN114084620 B CN 114084620B
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- 230000009471 action Effects 0.000 claims abstract description 8
- 230000003321 amplification Effects 0.000 claims description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
Abstract
The invention discloses a dual-tone multi-frequency coding-based tape machine control system and a dual-tone multi-frequency coding-based tape machine control method, wherein the dual-tone multi-frequency coding-based tape machine control system comprises a host machine, a slave machine and a terminal, wherein the host machine is connected with all the slave machines to the terminal in a hand-in-hand manner, the host machine is connected with the terminal through a five-core cable, and a part of the slave machines are connected between the two slave machines at intervals; the five-core cable comprises a 1-core power supply anode, a 1-core ground wire, a 1-core locking wire, a 1-core query wire and a 1-core audio wire. The invention multiplexes the audio line into the control bus, and does not increase the line and cost additionally; the control information adopts a confirmation mechanism, so that the consistency of control actions is ensured; and the charging current of the power amplifier is dynamically controlled, and the line load is reasonably regulated.
Description
Technical Field
The invention belongs to the technical field of control of a tape machine, and particularly relates to a tape machine control system and method based on dual-tone multi-frequency coding.
Background
The existing tape machine control technology is mainly used for carrying out current analysis from two aspects of dual-tone multi-frequency coding and tape machine control technology:
(1) Current situation of dual tone multi frequency coding: dual Tone Multi-Frequency (DTMF) is widely used in the conventional communication field. There are three DTMF transmission modes: firstly, the communication protocol is used for transmission, such as H.323, MGCP, SIP and the like; secondly, transmitting data content through a Real-time transmission protocol (Real-Time Transport Protocol, RTP), and simulating DTMF into voice; third is packet transfer using RTP according to RFC 2833. All three methods are used together with media packets/media streams, and require a dedicated media gateway for control.
(2) The state of the art of tape machine control: the control of the tape machine along the line equipment is realized mainly by adopting modes of passive contacts, level switches, RS485 buses, CAN buses and the like. The passive contact and the level switch are only used for single-point control, and a plurality of control lines are required to be repeatedly arranged along a plurality of devices; the RS485/CAN bus CAN realize synchronous control of one line of a plurality of devices, but an independent control bus is required to be additionally arranged outside the original line.
Disclosure of Invention
Accordingly, the present invention is directed to a system and a method for controlling a tape dispenser based on dual-tone multi-frequency coding.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides a dual-tone multi-frequency coding-based tape machine control system, which comprises a host machine, slave machines and terminals, wherein the host machine is connected with all the slave machines to the terminals in a hand-in-hand manner, the host machine is connected with the terminals through a five-core cable, and a part of the slave machines are connected between the two slave machines at intervals; the five-core cable comprises a 1-core power supply anode, a 1-core ground wire, a 1-core locking wire, a 1-core query wire and a 1-core audio wire.
In the scheme, the slave machine with a battery and an audio power amplifier and the slave machine with multiple functions of input and output are connected between the master machine and the terminal through the five-core cable.
The embodiment of the invention also provides a tape machine control method based on the dual-tone multi-frequency coding, which is applied to the tape machine control system based on the dual-tone multi-frequency coding, and comprises the following steps:
the host sequentially transmits control information of one or more slaves along the line, the corresponding multifunctional slaves transmit back the local information in the same data format as the control information after receiving the control information, and sequentially transmit back the control information according to the fixed time from small to large intervals of the address, and the host transmits control action information after receiving the control information of all the multifunctional slaves, and all the multifunctional slaves act together according to the received control information.
In the above scheme, the method further comprises: and the host sequentially transmits the charging control information of the single or multiple power amplification slaves along the line, and the corresponding slaves with the battery and the audio power amplification send back the local information by adopting the same data format as the charging control information after receiving the charging control information, and sequentially send back the charging control information at fixed time intervals from small to large according to the address.
In the above scheme, the method further comprises: when the host computer does not send out control information and charging control information, polling the state of the multifunctional slave computer and the power amplifier slave computer at fixed intervals, performing heartbeat monitoring, sequentially sending out polling information of one or more slave computers, and after the corresponding slave computers receive the polling information, sending back the local information by adopting the same data format as the polling information, and sequentially sending back the local information at fixed intervals from small to large according to the address.
In the above scheme, the control information adopts a Dual Tone Multi Frequency (DTMF) control data frame format, including a control frame identifier, a control slave address, and a control word.
In the above scheme, the charging control information adopts DTMF control data frame format, including charging frame identifier, power amplifier slave address, and charging current.
In the scheme, the polling information adopts a DTMF control data frame format, and when the polling information polls the multifunctional slave machine, the polling information comprises a polling control frame identifier and control slave machine addresses from 1 st to m th; when the polling information polls the slave machine with the battery and the power amplifier, the polling information comprises a polling charging frame identifier and addresses of the slave machines from 1 st to m th.
Compared with the prior art, the invention multiplexes the audio lines into the control bus without adding extra lines and cost; the control information adopts a confirmation mechanism, so that the consistency of control actions is ensured; and the charging current of the power amplifier is dynamically controlled, and the line load is reasonably regulated.
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 specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a control system of a tape dispenser based on dual-tone multi-frequency coding according to an embodiment of the present invention;
fig. 2 is a table of DTMF codes in a control method of a sealing tape machine based on dual tone multi frequency coding according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the devices or elements being referred to must have specific directions, be constructed and operated in specific directions, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration, are not to be construed as limitations of the present patent, and the specific meanings of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, article or apparatus that comprises the element.
The embodiment of the invention provides a sealing-tape machine control system based on dual-tone multi-frequency coding, which is shown in figure 1 and comprises a host machine, a slave machine and a terminal, wherein the host machine is connected with all the slave machines to the terminal in a hand-in-hand manner, the host machine is connected with the terminal through a five-core cable, and a part of the slave machines are connected between the two at intervals; the five-core cable comprises a 1-core power supply anode, a 1-core ground wire, a 1-core locking wire, a 1-core query wire and a 1-core audio wire.
The slave machine (namely the power amplifier slave machine) with a battery and an audio power amplifier and the slave machine (namely the multifunctional slave machine) with input and output functions are connected between the host machine and the terminal through a five-core cable.
The embodiment of the invention also provides a tape machine control method based on the dual-tone multi-frequency coding, which is applied to a tape machine control system based on the dual-tone multi-frequency coding.
As shown in fig. 1, the system comprises a host, slaves and terminals, wherein the host is connected with all the slaves to the terminals in a hand-held manner, the host is connected with the terminals through a five-core cable, and a part of the slaves are connected between the two at intervals; the five-core cable comprises a 1-core power supply anode, a 1-core ground wire, a 1-core locking wire, a 1-core query wire and a 1-core audio wire.
The slave machine (namely the power amplifier slave machine) with a battery and a power amplifier and the slave machine serving as the multifunctional slave machine are connected between the master machine and the terminal through a five-core cable.
The method comprises the following steps: the host machine sequentially transmits control information of one or more slaves along the line;
after receiving the control information, the corresponding multifunctional slave machine returns the local information by adopting the data format same as the control information, and sequentially returns the local information according to the fixed time interval from small to large;
after receiving all the multi-functional slave machine feedback information, the host machine sends out control action information;
all the multifunctional slaves act together according to the received control information.
Specifically, the control information adopts a DTMF control data frame format, and comprises a control frame identifier, a control slave address and a control word.
The host receives all the multi-functional slave feedback information, judges the data format of the multi-functional slave feedback information, and only after the data format of the multi-functional slave feedback information is the same as the data format of the control information, the control action information can be sent.
Further, the method further comprises: and the host sequentially transmits the charging control information of the single or multiple power amplifier slaves along the line, and after the corresponding power amplifier slaves receive the charging control information, the host returns the local information by adopting the same data format as the charging control information, and sequentially returns the local information from small to large at fixed intervals according to the address.
Specifically, the charging control information adopts a DTMF control data frame format, and comprises a charging frame identifier, a power amplifier slave address and a charging current.
Further, the method further comprises: when the host computer does not send out control information and charging control information, polling the state of the multifunctional slave computer and the power amplifier slave computer at fixed intervals, performing heartbeat monitoring, sequentially sending out polling information of one or more slave computers, and after the corresponding slave computers receive the polling information, sending back the local information by adopting the same data format as the polling information, and sequentially sending back the local information at fixed intervals from small to large according to the address.
Specifically, the polling information adopts a DTMF control data frame format, and when the polling information polls the multifunctional slave, the polling information comprises a polling control frame identifier and control slave addresses from 1 st to m th; when the polling information polls the power amplifier slave, the polling information comprises a polling charging frame identifier and addresses of the power amplifier slaves from 1 st to m th.
Further, the method further comprises: when the host does not have control information, charging control information or polling information, the audio line is only used for transmitting audio signals, the host and the power amplifier along the line perform normal voice transmission, and the voice signals received by the control equipment along the line do not meet the DTMF control data frame format and are not processed.
As shown in fig. 2, dual Tone Multi Frequency (DTMF) codes are formed by combining 16 codes of "0-D" together with 16 codes, wherein "x" corresponds to 16-ary number "E" and "#" corresponds to 16-ary number "F" in a common DTMF key code table.
Examples
As shown in fig. 1, this embodiment includes a host E 0 The slave E is connected in a hand-in-hand manner 1 To terminal E n 10 devices (not limited to 10 devices) are arranged at the same time through an audio line and a power amplifier slave E 2 、E 4 、E 6 、E 8 Multifunctional slave E with control communication 3 、E 7 、E 9 To terminal E 10 And (5) connection. The working process is as follows:
(1) The DTMF control data frame is transmitted in the mode of 'control frame identifier' + 'control slave address' + 'control word', single or multiple slave control information can be transmitted in turn, the 'control frame identifier' is 'EE', the 'control slave address' is '0' -9 'to form a value range of 00-99, the' control word 'is' 0 '-F' to form a value range of 00-FF, corresponding to slave 8 channel control, and corresponding to bit 1-control and 0-non-control. The downstream control information "EE030A07050944" corresponds to the fact that the No. 03 control slave controls the rest of channels for the No. 4 and the No. 2 channels, the No. 07 control slave controls the rest of channels for the No. 3 and the No. 1 channels, and the No. 09 control slave controls the rest of channels for the No. 7 and the No. 3 channels.
The corresponding address slave does not act after receiving the control information, returns the local information with reference to the same format, and returns the local information according to the fixed time interval from small to large according to the address, for example, the 03# control slave returns 'EE 030A', the 07# control slave returns 'EE 0705' after 20ms, the 09# control slave returns 'EE 0944' after 20ms, and the host sends out the control action information 'EE' after receiving all the control slave return information, and the slaves act together according to the received control information.
(2) The method is characterized in that the method comprises the steps of issuing battery charging control information along a line, wherein priority is high, DTMF control data frames are transmitted in a manner of a charging frame identifier "+" power amplifier slave address "+" charging current ", single or multiple power amplifier slave charging control information can be sequentially sent, the charging frame identifier" is selected as FE ", the charging slave address" is selected as two decimal numbers "0" to "9" to form a value range of 00-99, the charging current "is selected as two hexadecimal numbers" 0 "to" F "to form a value range of 00-FF, and the corresponding value represents the charging current, particularly the value of 0 represents stopping charging. The downlink control information "FE0264043206280800" corresponds to the 02# power amplifier slave charging current 100mA (hexadecimal number 0x64 corresponds to decimal 100), the 04# power amplifier slave charging current 50mA (hexadecimal number 0x32 corresponds to decimal 50), the 06# power amplifier slave charging current 40mA (hexadecimal number 0x28 corresponds to decimal 40), and the 08# power amplifier slave stops charging (charging current 0 indicates stopping charging).
After the corresponding address slave receives the charging control information, on one hand, the corresponding address slave returns the local information in the same format, and returns the local information according to the fixed time interval from small to large according to the address, for example, the 02# power amplifier slave returns the FE0264, the 04# power amplifier slave returns the FE0432 after 20ms, the 06# charging slave returns the FE0628 after 20ms, the 08# charging slave returns the FE0800 after 20ms, and on the other hand, each power amplifier slave adjusts the charging current according to the received charging control information.
(3) When no control information (including charging control information) is issued, the master unit polls the control slave unit at intervals of 5s to monitor heartbeat. The DTMF data frame is transmitted in a mode of 'polling control frame identifier' + 'controlling slave address 1' + 'controlling slave address 2' + … … + 'controlling slave address m'; the method comprises the steps that polling information of a single or a plurality of slaves can be sent sequentially, a control frame identifier is selected from EF, a control slave address is selected from two decimal numbers 0 to 9 to form a value range of 00-99, for example, polling control information EF030709 is sent correspondingly to polling 03#, 07#, 09# control slaves, after the corresponding address slaves receive polling information, local information is returned according to the same format, and the local information is returned sequentially according to fixed time intervals from small to large according to the address, for example, the 03# control slaves return EF 03', the 07# control slaves return EF07 after 20ms, and the 09# control slaves return EF09 after 20 ms.
And the host polls the power amplifier slave after 5s interval to monitor heartbeat. The DTMF data frame is transmitted by adopting a mode of 'polling charging frame identifier' + 'power amplifier slave address 1' + 'power amplifier slave address 2' + … … + 'power amplifier slave address p'; the method comprises the steps that polling information of a single slave or a plurality of slaves can be sent sequentially, a polling frame identifier is selected from FF, a power amplification slave address is selected from two decimal numbers of 0 to 9 to form a value range of 00-99, polling power amplification information of FF02040608 is sent correspondingly to polling 02#, 04#, 06#, 08# power amplification slaves, after the corresponding address slaves receive the polling information, local information is returned according to the same format, and the local information is returned sequentially according to fixed time intervals from small to large according to the address, for example, the 02# power amplification slaves return FF02, the 04# power amplification slaves return FF04 after 20ms, the 06# power amplification slaves return FF06 after 20ms, and the 08# power amplification slaves return FF08 after 20 ms.
(4) When no control information or polling information is available, the audio line is only used for transmitting audio signals, the host and the power amplifier along the line perform normal voice transmission, and the voice signals received by the control equipment along the line do not meet the DTMF control data frame format and are not processed.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (3)
1. The tape machine control system based on the dual-tone multi-frequency coding is characterized by comprising a host machine, slave machines and terminals, wherein the host machine is connected with all the slave machines to the terminals in a hand-in-hand manner, the host machine is connected with the terminals through a five-core cable, and a part of the slave machines are connected between the two slave machines at intervals; the five-core cable comprises a 1-core power supply anode, a 1-core ground wire, a 1-core locking wire, a 1-core query wire and a 1-core audio wire;
the host sequentially transmits control information of one or more slaves along the line, after the corresponding multifunctional slaves receive the control information, the corresponding multifunctional slaves transmit back the local information in the same data format as the control information, and sequentially transmit back the control information at fixed time intervals from small to large according to the address, after receiving the local information, the host transmits control action information, and all the multifunctional slaves act together according to the received control action information;
the host sequentially transmits charging control information of one or more power amplification slaves along the line, and after the corresponding slaves with batteries and audio power amplification receive the charging control information, the host returns the local information by adopting the same data format as the charging control information, and sequentially returns the local information from small to large intervals according to the address;
when the host does not have control information and charging control information to issue, polling the states of the multifunctional slave and the power amplifier slave at fixed intervals to monitor heartbeat, sequentially issuing polling information of one or more slaves, and after the corresponding slaves receive the polling information, returning the local information by adopting the same data format as the polling information, and sequentially returning the local information at fixed intervals from small to large according to the address;
the control information adopts a dual tone multi frequency DTMF control data frame format, and comprises a control frame identifier, a control slave address and a control word;
the polling information adopts a DTMF control data frame format, and when the polling information polls the multifunctional slave, the polling information comprises a polling control frame identifier and control slave addresses from 1 st to m; when the polling information polls the slave machine with the battery and the power amplifier, the polling information comprises a polling charging frame identifier and addresses of the slave machines from 1 st to m th.
2. The dual-tone multi-frequency coding-based tape dispenser control system according to claim 1, wherein the slave having a battery and an audio power amplifier and the slave having a multi-function of input and output are connected between the master and the terminal through a five-core cable.
3. A method for controlling a tape dispenser based on dual-tone multi-frequency coding, which is applied to the tape dispenser control system based on dual-tone multi-frequency coding as claimed in claim 1 or 2, characterized in that the method comprises the following steps:
the charging control information adopts a DTMF control data frame format, and comprises a charging frame identifier, a power amplifier slave address and a charging current.
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Denomination of invention: Control system and method of tape machine based on dual tone multi frequency coding Granted publication date: 20231017 Pledgee: Xi'an Chanba Financing Guarantee Co.,Ltd. Pledgor: Shaanxi Zhongyuan Intelligent Control Technology Co.,Ltd. Registration number: Y2024610000064 |