CN210271226U - Handheld meter system for monitoring and data acquisition of field instrument - Google Patents
Handheld meter system for monitoring and data acquisition of field instrument Download PDFInfo
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- CN210271226U CN210271226U CN201920359602.4U CN201920359602U CN210271226U CN 210271226 U CN210271226 U CN 210271226U CN 201920359602 U CN201920359602 U CN 201920359602U CN 210271226 U CN210271226 U CN 210271226U
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Abstract
A handheld meter system for monitoring and data acquisition of a field instrument comprises a CPU, a CPU bidirectional communication module, a liquid crystal display, an SD card, a USB interface, a wired communication interface, a CPU unidirectional communication key, a power supply communication module, a liquid crystal display, an SD card and a wired communication interface, wherein the communication module is bidirectionally communicated with the field instrument through the wired communication interface, and the USB interface is bidirectionally communicated with a computer. Through wired communication interface or wireless WIFI module and field instrument communication, monitor field instrument state, set up the instrument parameter, gather field instrument data, display data, save data, upload the computer through USB to the data, upgrade field instrument software, have convenient to carry, easy operation, advantage such as the consumption is little.
Description
Technical Field
The utility model belongs to the technical field of the function wrist-watch, concretely relates to on-the-spot instrument monitoring and data acquisition's handheld table system.
Background
In the control instrument installation field of industries such as petroleum, chemical industry, electric power, the distance between the primary meter and the secondary meter is far away usually, when the primary meter and the secondary meter are installed and jointly debugged, the primary meter and the secondary meter are difficult to monitor simultaneously, and when a fault occurs, the assembly workload is large, the debugging difficulty is large, and the working efficiency is low. In a production working site, a field instrument is in operation and is likely to have faults at any time, an instrument worker needs to perform itinerant inspection on the field instrument, and whether the output of the field instrument is consistent with the display value of the instrument displayed in a control room or not is checked aiming at the same detection point, so that the labor is needed, and the efficiency is low. When field instrument maintenance personnel find that the operation parameters of the field instrument are abnormal, some field instruments are complex to operate and long in maintenance time. When the maintenance personnel solve the field problems, various information of the field instrument working for a long time needs to be obtained, and at the moment, information acquisition is difficult and the workload is large.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the utility model discloses a technical scheme is:
a handheld meter system for monitoring and data acquisition of a field instrument comprises a CPU, a CPU bidirectional communication module, a liquid crystal display, an SD card, a USB interface and a wired communication interface, wherein the CPU is unidirectionally communicated with a key, a power supply, the liquid crystal display, the SD card and the wired communication interface;
the wireless communication module connect CPU's USART interface, LCD connects CPU's SPI interface, the IO interface of CPU is connected to the button, SD card connects CPU's SDIO interface, USB interface connection CPU's USB interface, wired communication interface connection CPU's USART interface.
The wired communication interface is a circuit converting USART into RS232 or RS485 interface in the CPU; the wireless communication module has wireless communication of WIFI.
The USB interface connected with the CPU uploads the data stored in the SD card to the computer, and the CPU sets and reads the state parameters of the field instrument through a wired communication interface with RS232 or RS485 or a wireless communication module with WIFI.
The field instrument is provided with an RS232 or RS485 wired communication interface or a WIFI wireless communication module.
The conventional liquid crystal display screen is an OLED liquid crystal display.
The CPU upgrades the software of the field instrument through the wireless communication module or the wired communication interface.
The utility model has the advantages that:
the invention has the advantages of low power consumption principle, convenient use and operation, simplicity and reliability. When the device is installed and debugged on site, the primary meter and the secondary meter can be debugged respectively, the success of joint debugging of the primary meter and the secondary meter is ensured, the assembly workload is reduced, and the working efficiency is improved. In a production working site, a field instrument is in operation, and field instrument maintenance personnel can perform wireless remote operation at any time by using the wireless remote control system, so that the original structure of the field instrument is not damaged, the operation output or parameters of a secondary meter are monitored, the workload of the field instrument maintenance personnel is reduced, and the working efficiency is improved; the system can conveniently collect various information of the field instrument working for a long time and store various information of the field instrument working for a long time. When the field instrument normally operates, and under the condition that the structure of the field instrument is not damaged, the field instrument software can be upgraded, and the working efficiency is improved.
Drawings
FIG. 1 is a diagram of hardware modules according to the present invention.
FIG. 2 is a software specific flow chart of the present invention.
Wherein, 1 is a CPU; 2 is a wireless communication module; 3 is a liquid crystal display; 4 is a key; 5 is an SD card; 6 is a USB interface; 7 is a wired communication interface; 8 is a power supply; and 9 is a field instrument.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a handheld meter system for field instrument monitoring and data acquisition includes a CPU1, and is characterized in that the CPU1 is in two-way communication with a communication module 2, a liquid crystal display 3, an SD card 5, a USB interface 6, a wired communication interface 7, a CPU1 is in one-way communication with a key 4, a power supply 8 is in communication with the communication module 2, the liquid crystal display 3, the SD card 5, and the wired communication interface 7, the communication module 2 is in two-way communication with a field instrument 9 via the wired communication interface 7, and the USB interface 6 is in two-way communication with a computer 10;
The wired communication interface 7 is a circuit for converting USART into RS232 or RS485 interface in the CPU 1; and the wireless communication module 2 is provided with wireless communication of WIFI.
The USB interface 6 connected with the CPU1 uploads the data stored in the SD card 5 to the computer 10, and the CPU1 sets and reads the state parameters of the field instrument 9 through the wired communication interface 7 with RS232 or RS485 or the wireless communication module 2 with WIFI.
The field instrument 9 is a field instrument 9 with an RS232 or RS485 wired communication interface or a WIFI wireless communication module.
The existing liquid crystal display 3 is an OLED liquid crystal display.
The CPU1 performs software upgrade on the field instrument 9 through the wireless communication module 2 or the wired communication interface 7.
As shown in fig. 2, the working steps are as follows:
step 1: the method comprises the following steps that a handheld watch is powered on, a wireless communication module 2, a liquid crystal display 3, a key 4, an SD card 5, a USB interface 6, a wired communication interface 7, a power supply 8 and the like are initialized, and a starting main interface including time, a menu, an electric quantity mark and a WIFI mark is displayed;
step 2: pressing a key to select a menu, and entering a wired communication or wireless communication or diagnosis service interface;
and step 3: when the keys select wired communication, entering a functional interface including monitoring the state of the field instrument or acquiring the data of the field instrument;
step 3.1: when the key selects the state of the monitoring field instrument, the state of the field instrument is displayed;
step 3.2: after the key selects to collect the field instrument data; collecting data of a field instrument, storing the data and displaying the data;
and 4, step 4: when the wireless communication is selected by the key; entering an interface comprising the functions of displaying instrument parameters, setting instrument parameters, collecting field instrument data or calibrating a field instrument;
step 4.1: after the key selects the display instrument parameters, the instrument parameters are displayed in real time, and the state of the field instrument is monitored;
step 4.2: after the key selects to set the instrument parameters, setting the field instrument parameters;
step 4.3: after the keys select field instruments to be calibrated; setting specific parameters of a field instrument;
and 5: when the button selects the diagnosis service interface; entering a self-checking or time setting or professional debugging functional interface of the equipment;
step 5.1: after the button selection equipment performs self-checking, the handheld meter performs self-checking;
step 5.2: after the key selects the setting time; setting real-time of a handheld meter;
step 5.3: after key selection and professional debugging; setting field instrument parameters and upgrading field instrument software;
step 6: the USB interface 6 of the handheld meter communicates with the computer 10 and uploads the data in the SD card 5 to the computer 10.
Claims (6)
1. A handheld meter system for monitoring an on-site instrument and collecting data comprises a CPU (1) and is characterized in that the CPU (1) is in two-way communication with a wireless communication module (2), a liquid crystal display (3), an SD card (5), a USB interface (6) and a wired communication interface (7), the CPU (1) is in one-way communication with a key (4) and a power supply (8), the power supply (8) is in communication with the wireless communication module (2), the liquid crystal display (3), the SD card (5) and the wired communication interface (7), the communication module (2) is in two-way communication with the on-site instrument (9) through the wired communication interface (7), and the USB interface (6) is in two-way communication with a computer;
wireless communication module (2) connect the USART interface of CPU (1), the SPI interface of CPU (1) is connected in LCD (3), CPU's IO interface is connected in button (4), CPU's SDIO interface is connected in SD card (5), CPU's USB interface is connected in USB interface (6), CPU's USART interface is connected in wired communication interface (7).
2. The handheld meter system for field instrument monitoring and data acquisition as claimed in claim 1, wherein the wired communication interface (7) is a USART to RS232 or RS485 interface circuit in the CPU (1); the wireless communication module (2) is provided with wireless communication of WIFI.
3. The handheld meter system for field instrument monitoring and data acquisition as claimed in claim 1, wherein the USB interface (6) in bidirectional communication with the CPU (1) uploads the data stored in the SD card (5) to the computer (10), and the CPU (1) sets and reads the status parameters of the field instrument (9) through the wired communication interface (7) with RS232 or RS485 or the wireless communication module (2) with WIFI.
4. The handheld meter system for field instrument monitoring and data collection according to claim 1, wherein the field instrument (9) is a field instrument (9) having an RS232 or RS485 wired communication interface or having a WIFI wireless communication module.
5. A hand-held meter system for field instrument monitoring and data collection according to claim 1, characterised in that the present liquid crystal display (3) is an OLED liquid crystal display.
6. The handheld meter system for field instrument monitoring and data collection according to claim 1, wherein the CPU (1) performs software upgrade on the field instrument (9) through the wireless communication module (2) or the wired communication interface (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359602.4U CN210271226U (en) | 2019-03-21 | 2019-03-21 | Handheld meter system for monitoring and data acquisition of field instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359602.4U CN210271226U (en) | 2019-03-21 | 2019-03-21 | Handheld meter system for monitoring and data acquisition of field instrument |
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| Publication Number | Publication Date |
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| CN210271226U true CN210271226U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920359602.4U Active CN210271226U (en) | 2019-03-21 | 2019-03-21 | Handheld meter system for monitoring and data acquisition of field instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112116800A (en) * | 2020-09-23 | 2020-12-22 | 山东省计算中心（国家超级计算济南中心） | Split type industrial field equipment overhauls debugging auxiliary device |
| CN113252099A (en) * | 2021-06-15 | 2021-08-13 | 阳春新钢铁有限责任公司 | Automatic detection loop system for optimizing primary meter |
-
2019
- 2019-03-21 CN CN201920359602.4U patent/CN210271226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112116800A (en) * | 2020-09-23 | 2020-12-22 | 山东省计算中心（国家超级计算济南中心） | Split type industrial field equipment overhauls debugging auxiliary device |
| CN113252099A (en) * | 2021-06-15 | 2021-08-13 | 阳春新钢铁有限责任公司 | Automatic detection loop system for optimizing primary meter |
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