CN111176691B - Flowmeter control system, flowmeter control method and flowmeter control method - Google Patents
Flowmeter control system, flowmeter control method and flowmeter control method Download PDFInfo
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- CN111176691B CN111176691B CN201911408993.5A CN201911408993A CN111176691B CN 111176691 B CN111176691 B CN 111176691B CN 201911408993 A CN201911408993 A CN 201911408993A CN 111176691 B CN111176691 B CN 111176691B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000003993 interaction Effects 0.000 claims abstract description 9
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 8
- 238000011161 development Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 10
- 230000006870 function Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
- H04W8/245—Transfer of terminal data from a network towards a terminal
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Abstract
The invention discloses a control system of a flowmeter, a control method thereof and a method for controlling the flowmeter, wherein the control system of the flowmeter comprises the following components: the flow meter node module is in data interaction with the upper computer through the wireless transmission module. The invention has the advantages that the invention can realize wireless programming and remote updating by using a remote updating method, carry out remote updating and maintenance on the flowmeter node module, avoid code re-burning in a factory, and also allow a user to bypass the development of a static application program of a node sensor network, and code an input node by using a physical address so as to achieve the function of quick addressing, thereby accurately transmitting an updating program to the input node to be updated.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a control system and a control method for a flowmeter, and a method for controlling a flowmeter.
Background
With the development of technology, for most of current flowmeters, circuit boards are sealed in a shell layer by layer or are difficult to reach by being installed in a narrow space, and when the number of product nodes is too large, a large amount of manpower and material resources are consumed, so that a method for updating and maintaining the products is difficult.
Therefore, a new way of updating and maintaining the flowmeter is needed to solve the problem that the flowmeter product is difficult to maintain in the prior art.
Disclosure of Invention
The embodiment of the invention provides a control system and a control method of a flowmeter and a method for controlling the flowmeter, which can effectively solve the problem that the flowmeter cannot be maintained because a circuit board is sealed in a shell.
According to an aspect of the present invention, an embodiment of the present invention provides a control system of a flow meter, including: the system comprises a flowmeter node module, a wireless transmission module and an upper computer, wherein the flowmeter node module performs data interaction with the upper computer through the wireless transmission module; the flowmeter node module includes: a program update signal transmitting module for transmitting a program update signal to an external upper computer; the input node coding module is used for coding the input node through a coding signal sent by the upper computer; a program update file receiving module for receiving a program update file through the input node; and a flowmeter upgrading module for upgrading the flowmeter according to the update file.
Further, the upper computer includes: a program update signal receiving module for receiving a program update signal of an external flowmeter; a code signal transmitting module for transmitting a code signal to an input node of the flowmeter; and a program update file transmitting module for transmitting a program update file to the input node of the flowmeter.
Further, the wireless transmission module includes: the output node pairing module is used for pairing with the output node of the upper computer through a transmission protocol; and an input node pairing module for pairing with the input node of the flowmeter via a transmission protocol; wherein the transmission protocol is a Lora protocol or a ZigBee protocol.
According to another aspect of the present invention, an embodiment of the present invention provides a method for controlling a flow meter, including the steps of: transmitting a program update signal to an external upper computer; the input node is used for encoding the input node by an encoding signal sent by the upper computer; receiving a program update file through the input node; and upgrading the flowmeter according to the updated file.
Further, after the step of sending a program update signal to an external host computer, the method further comprises: pairing with the output node of the upper computer through a transmission protocol.
Further, the transmission protocol is a Lora protocol or a ZigBee protocol.
Further, after receiving a program update file step through the input node, the method further includes: storing the program update file in a memory; judging whether the program update file is completely stored in the memory; stopping sending the program update signal when the program update file is completely stored in the memory; and when the program update file is not completely stored in the memory, the input node continues to accept the program update file.
According to yet another aspect of the present invention, an embodiment of the present invention provides a method of controlling a flow meter, including the steps of: receiving a program update signal of an external flowmeter; transmitting an encoded signal to an input node of the flowmeter; and sending a program update file to the input node of the flowmeter.
Further, after the step of receiving a program update signal from the external flowmeter, the method further comprises the steps of: pairing with the input flowmeter node via a transmission protocol.
Further, the transmission protocol is a Lora protocol or a ZigBee protocol.
The invention has the advantages that the invention can realize wireless programming and remote updating by using a remote updating method, carries out remote updating and maintenance on the flowmeter node module, avoids code re-burning in a factory, sends and receives application program data packets without influencing the operation of a sensor when carrying out updating of the application packet in the wireless transmission process, can also allow a user to bypass the static application program development of a node sensor network, and encodes an input node by using a physical address so as to achieve the function of quick addressing, thereby accurately transmitting the updated program to the input node to be updated.
Drawings
The technical solution and other advantageous effects of the present invention will be made apparent by the following detailed description of the specific embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a control system of a flowmeter according to an embodiment of the present invention.
Fig. 2 is a flowchart of steps of a method for controlling a flowmeter according to an embodiment of the present invention.
Fig. 3 is a flowchart illustrating steps of a method for controlling a flow meter according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
As shown in fig. 1, a schematic structural diagram of a control system of a flowmeter according to an embodiment of the present invention includes: the flow meter node module 10 is in data interaction with the upper computer 20 through the wireless transmission module 30.
In this embodiment, the flow meter node module 10 is a control system main body function module of the flow meter, and the flow meter node module 10 is used for collecting the instantaneous flow and the accumulated flow of the pipeline hydraulic oil, and performing liquid crystal display and wireless communication. And at the same time, the remote updating program of the upper computer 20 is received for remote updating. The upper computer 20 is implemented at a computer end and is responsible for transmitting bin files in the compiled program codes to an input node of the flowmeter through a wireless module. The wireless transmission module 30 is respectively connected with the flowmeter node and the upper computer 20 through serial ports, is realized by Lora or ZigBee protocol, encodes nodes (input node and output node) through module physical addresses, and is used for realizing quick addressing between the upper computer 20 and the flowmeter node module 10, and carrying out file transmission and data interaction.
Wherein the flow meter node module 10 comprises: a program update signal transmitting module 1, an input node encoding module 2, a program update file receiving module 3 and a flowmeter upgrading module 4.
The program update signal transmitting module 1 is configured to transmit a program update signal to an external host computer 20.
The input node encoding module 2 is configured to encode the input node by an encoding signal sent by the host computer 20. In this embodiment, the nodes (input node and output node) are encoded by the module physical address, so as to implement rapid addressing between the upper computer 20 and the nodes, and implement file transmission and data interaction between the upper computer 20 and the nodes.
The program update file receiving module 3 is configured to receive a program update file through the input node. In this embodiment, the program update file is wirelessly transmitted to the output node by the host computer 20, and since the program update file needs to be stored in the memory during the receiving process, the transmission rate needs to be controlled, and the program update file cannot be received too quickly, so as to prevent the error. The memory is divided into two areas, and the two areas are arranged in a program area and an application program area. The program area is mainly used for receiving the program file and writing the program in the memory area at a specific position. Besides, the application program area also needs to check the code running condition in real time, and judges whether the program needs to be upgraded by judging the flag bit of the updated program. The memory addresses are 0x 08000000-0 x0807FFFF 512KB, the space of 512KB is divided into two blocks, the first block stores the loading program, the rest space stores the user program, and the smaller the space occupied by the loading program is, the better the space occupied by the loading program is. Each time the program is executed, the program is executed from the base address 0x08000000, firstly, the clock, the key, the interrupt vector table address and the like are initialized, then whether the reset key and the upgrade key are pressed is detected, the update bit is judged, if yes, new user code data is read from the serial port, the code is written into the user program space, and the user program is waited to be updated, and is powered on again or the hardware is reset. Otherwise, the original application program code is continuously operated, and whether the update bit is set is detected.
The flowmeter upgrade module 4 is configured to upgrade the flowmeter according to the update file. In this embodiment, after receiving the data, the input node writes the received data from the first address of the application program area of the memory, and in the process of receiving the data, the input node determines whether the data is completely received by means of a timer, and after the program update file is completely received, the process is updated.
Wherein the host computer 20 comprises: a program update signal receiving module 5, a code signal transmitting module 6, a program update file transmitting module 7.
The program update signal receiving module 5 is configured to receive a program update signal of an external flowmeter.
The code signal transmitting module 6 transmits a code signal to the input node of the flowmeter. In this embodiment, the input node encoding module 2 is configured to encode the input node by an encoding signal sent by the host computer 20.
The program update file sending module 7 is configured to send a program update file to an input node of the flowmeter. In this embodiment, the program update file sending module 7 is responsible for sending the compiled program update file to the flowmeter node module 10 through the output node, and after the sending is completed, the input node of the flowmeter node module 10 completes remote update of the program.
The wireless transmission module 30 includes: an output node pairing module 8 and an input node pairing module 9.
The output node pairing module 8 is configured to pair with an output node of the host computer 20 through a transmission protocol. The input node pairing module 9 is configured to pair with an input node of the flowmeter via a transmission protocol. In this embodiment, through the pairing of the input node and the flowmeter node module 10 by the Lora or ZigBee protocol, the other is paired with the upper computer 20 by the output node, and the two are paired by the Lora or ZigBee protocol of the own, when in transmission, the upper computer 20 can connect a plurality of input nodes at the same time, and simultaneously encodes the input nodes by using the physical address, so as to achieve the function of quick addressing, and accurately transmit the program update file to the input node to be updated.
The invention has the advantages that the invention can realize wireless programming and remote updating by using a remote updating method, carry out remote updating and maintenance on the flowmeter node module, avoid code re-burning in a factory, and also allow a user to bypass the development of a static application program of a node sensor network, and code an input node by using a physical address so as to achieve the function of quick addressing, thereby accurately transmitting an updating program to the input node to be updated.
As shown in fig. 2, a flow chart of steps of a flow meter control method according to an embodiment of the present invention includes the steps of:
step S210: a program update signal is sent to an external host computer 20.
Step S220: pairing with the output node of the host computer 20 via a transmission protocol.
In this embodiment, the nodes are encoded by the module physical address, so as to implement rapid addressing between the upper computer 20 and the nodes, and implement file transmission and data interaction between the flowmeter node module 10 and the output node.
Step S230: the input node is encoded with an encoded signal for transmission by the host computer 20.
In this embodiment, the program update file is wirelessly transmitted to the output node by the host computer 20, and since the program update file needs to be stored in the memory during the receiving process, the transmission rate needs to be controlled, and the program update file cannot be received too quickly, so as to prevent the error.
Step S240: and receiving a program update file through the input node.
In this embodiment, after receiving the data, the input node writes the received data from the first address of the application program area of the memory, and in the process of receiving the data, the input node determines whether the data is completely received by means of a timer, and after the program update file is completely received, the process is updated. Step S250: the program update file is stored in a memory.
In this embodiment, the memory is divided into two areas, which are provided in the program area and the application user code area. The program area is mainly used for receiving the program file and writing the program in the memory area at a specific position. Besides, the application program user code area is required to realize the needed function operation, and the application program user code area also needs to check the code running condition in real time, and judges whether the program needs to be upgraded by judging the flag bit of the updated program. The memory addresses are 0x 08000000-0 x0807FFFF 512KB, the space of 512KB is divided into two blocks, the first block stores the loading program, the rest space stores the user program, and the smaller the space occupied by the loading program is, the better the space occupied by the loading program is. Each time the program is executed, the program is executed from the base address 0x08000000, firstly, the clock, the key, the interrupt vector table address and the like are initialized, then whether the reset key and the upgrade key are pressed is detected, the update bit is judged, if yes, new user code data is read from the serial port, the code is written into the user program space, and the user program is waited to be updated, and is powered on again or the hardware is reset. Otherwise, the original application program code is continuously operated, and whether the update bit is set is detected.
Step S260: and judging whether the program update file is completely stored in the memory.
In the present embodiment, the input node determines whether to completely accept the program update file transmitted from the host computer 20.
Step S270: and stopping sending the program update signal when the program update file is completely stored in the memory.
Step S271: and when the program update file is not completely stored in the memory, the input node continuously receives the program update file.
Step S280: and upgrading the flowmeter according to the update file.
In this embodiment, sending and receiving application update files during the flow meter upgrade process does not affect the normal operation of the flow meter.
The invention has the advantages that the invention can realize wireless programming and remote updating by using a remote updating method, carry out remote updating and maintenance on the flowmeter node module, avoid code re-burning in a factory, and also allow a user to bypass the development of a static application program of a node sensor network, and code an input node by using a physical address so as to achieve the function of quick addressing, thereby accurately transmitting an updating program to the input node to be updated.
As shown in fig. 3, a flowchart of steps of a method for controlling a flowmeter according to an embodiment of the present invention includes the steps of:
step S310: a program update signal of an external flowmeter is received.
In this embodiment, the program update signal of the flowmeter is typically sent by a user through operation.
Step S320: pairing with the input flowmeter node via a transmission protocol.
In this embodiment, the nodes are encoded by the module physical address, so as to implement quick addressing between the upper computer 20 and the nodes, and implement file transmission and data interaction between the upper computer 20 and the input nodes.
Step S330: an encoded signal is sent to an input node of the flowmeter.
In this embodiment, the flowmeter node module 10 encodes the input node by an encoded signal sent by the host computer 20
Step S340: and sending a program update file to an input node of the flowmeter.
In this embodiment, the program update file is wirelessly transmitted to the output node by the host computer 20, and since the program update file needs to be stored in the memory during the receiving process, the transmission rate needs to be controlled, and the program update file cannot be received too quickly, so as to prevent the error.
The invention has the advantages that the invention can realize wireless programming and remote updating by using a remote updating method, carry out remote updating and maintenance on the flowmeter node module, avoid code re-burning in a factory, and also allow a user to bypass the development of a static application program of a node sensor network, and code an input node by using a physical address so as to achieve the function of quick addressing, thereby accurately transmitting an updating program to the input node to be updated.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of the above examples is only for aiding in understanding the technical solution of the present invention and its core ideas; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. A control system for a flow meter, comprising:
the system comprises a flowmeter node module, a wireless transmission module and an upper computer, wherein the flowmeter node module performs data interaction with the upper computer through the wireless transmission module;
the flowmeter node module includes:
a program update signal transmitting module for transmitting a program update signal to an external upper computer;
the input node coding module is used for coding the physical address of the flowmeter node module based on a coding signal sent by the upper computer to obtain address information corresponding to the input node;
the program update file receiving module is used for receiving a program update file through the input node and storing the program update file into the memory, wherein the memory comprises a loading program area and an application program area, the loading program area is used for receiving the program update file and writing the program update file into a specific position area of the memory, the application program area is used for realizing the required functional operation, checking the code running condition in real time and judging whether the program needs to be updated or not by judging the flag bit of the program update file; and
a flowmeter upgrading module for upgrading the flowmeter according to the update file;
the wireless transmission module includes:
the output node pairing module is used for pairing with the output node of the upper computer through a transmission protocol; and
an input node pairing module for pairing with an input node of the flowmeter via a transmission protocol;
wherein the transmission protocol is the Lora protocol.
2. The flow meter control system of claim 1, wherein the host computer comprises:
a program update signal receiving module for receiving a program update signal of an external flowmeter;
a code signal transmitting module for transmitting a code signal to an input node of the flowmeter; and
and the program update file sending module is used for sending a program update file to the input node of the flowmeter.
3. A method of controlling a flow meter, comprising the steps of:
transmitting a program update signal to an external upper computer;
based on a coding signal sent by the upper computer, coding the physical address of the flow node module to obtain address information corresponding to the input node;
receiving a program update file through the input node and storing the program update file into a memory, wherein the memory comprises a loading program area and an application program area, the loading program area is used for receiving the program update file and writing the program update file into a specific position area of the memory, the application program area is used for realizing the required functional operation, checking the code running condition in real time and judging whether the program needs to be updated or not by judging the flag bit of the program update file; and
upgrading the flowmeter according to the update file;
the output node pairing module of the wireless transmission module is paired with the output node of the upper computer through a transmission protocol, and the input node pairing module of the wireless transmission module is paired with the input node of the flowmeter through the transmission protocol, wherein the transmission protocol is the Lora protocol.
4. The method of controlling a flow meter according to claim 3, further comprising, after the step of transmitting a program update signal to an external host computer:
pairing with the output node of the upper computer through a transmission protocol.
5. The method of controlling a flow meter according to claim 3, further comprising, after the step of receiving a program update file through the input node:
storing the program update file in a memory;
judging whether the program update file is completely stored in the memory;
stopping sending the program update signal when the program update file is completely stored in the memory; and
and when the program update file is not completely stored in the memory, the input node continues to receive the program update file.
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