CN212378957U - Air pressure sensor calibration detection system - Google Patents
Air pressure sensor calibration detection system Download PDFInfo
- Publication number
- CN212378957U CN212378957U CN202021405179.6U CN202021405179U CN212378957U CN 212378957 U CN212378957 U CN 212378957U CN 202021405179 U CN202021405179 U CN 202021405179U CN 212378957 U CN212378957 U CN 212378957U
- Authority
- CN
- China
- Prior art keywords
- air pressure
- signal
- sub
- controller
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a pressure sensor calibration detection system, belonging to the technical field of pressure sensor calibration detection systems; the technical problem to be solved is as follows: the improvement of the hardware structure of the calibration detection system of the air pressure sensor is provided; the technical scheme for solving the technical problems is as follows: the temperature-variable air pressure box is internally provided with a plurality of main acquisition boards, the main acquisition boards are provided with a plurality of sub-acquisition boards, a main controller is integrated on the main acquisition boards, a plurality of sub-controllers are integrated on the sub-acquisition boards, the sub-controllers are connected with the main controller through buses, and each sub-controller is at least connected with two air pressure sensors; a signal isolation box is arranged on one side of the variable-temperature air pressure box, a signal isolator, a signal acquisition board and an air pressure standard device are arranged in the signal isolation box, and a plurality of network modules and a first LAN interface are arranged on the signal acquisition board; the utility model discloses be applied to sonde baroceptor and mark school.
Description
Technical Field
The utility model relates to a baroceptor marks school detecting system belongs to the baroceptor and marks school detecting system technical field.
Background
The high-altitude meteorological observation system is used as an important component of the comprehensive meteorological observation system, plays an important role in weather forecast and weather monitoring, and meanwhile, high-altitude meteorological observation data have no substitution for the reference role of atmospheric remote sensing authenticity inspection and calibration. The air pressure sensor calibration detection system has the advantages that the air pressure element value of the position of the sonde is measured in real time in the working process of the sonde, in order to ensure that the air pressure element value meets the technical index requirements, the air pressure sensor calibration detection needs to be carried out one by one in the production process of the sonde, but the calibration efficiency of the air pressure sensor is low, so that the air pressure sensor calibration detection system with high detection efficiency needs to be provided for improving the batch calibration detection efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: the improvement of the hardware structure of the calibration detection system of the air pressure sensor is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the temperature-variable air pressure box is internally provided with a plurality of main acquisition boards, the main acquisition boards are provided with a plurality of sub-acquisition boards, a main controller is integrated on the main acquisition boards, a plurality of sub-controllers are integrated on the sub-acquisition boards, the sub-controllers are connected with the main controller through buses, and each sub-controller is at least connected with two air pressure sensors;
the temperature-changing air pressure box comprises a box body, a temperature-changing air pressure box and a signal acquisition board, wherein a plurality of wall-penetrating insulators are arranged on the box body of the temperature-changing air pressure box, the wall-penetrating insulators are used for controlling the air tightness of the temperature-changing air pressure box, a signal isolation box is arranged on one side of the temperature-changing air pressure box, a signal isolator, a signal acquisition board and an air pressure standard device are arranged in the signal isolation box, and a plurality of network modules and a first LAN (local;
the master controller is connected with the input end of the signal isolator through a wire, the output end of the signal isolator is connected with the corresponding network module through a wire, and the output end of the air pressure standard device is connected with the corresponding network module through a wire;
a working machine is arranged on one side of the signal isolation box, a second LAN interface is arranged on the working machine, and the second LAN interface is connected with the first LAN interface through a network cable so as to realize analysis and processing of data acquired by the multi-path air pressure sensor by the working machine;
one end of the signal acquisition board is provided with a power interface, and the power interface is connected with the power module through a power line.
The total collection board is provided with at least 3, divide the collection board to be provided with 8 at least, divide the controller to be provided with 8 at least, be provided with 24 at least ways isolation signal input ends on the signal isolator.
The branch acquisition board is also provided with a plurality of signal indicator lamps, the signal indicator lamps respectively correspond to each air pressure sensor data acquisition channel, and the signal indicator lamps are connected with the branch controller through wires.
The working machine is also connected with the display screen through a cable.
The model of a control chip adopted by the master controller is STM8S 207;
the model of the control chip adopted by the sub-controller is STM8S 003.
The utility model discloses beneficial effect for prior art possesses does: the utility model discloses a can realize 16 at least baroceptor's data acquisition simultaneously on the branch acquisition board, and cascade 8 at least branch acquisition boards to total acquisition board through the bus on, total controller passes through a signal line transmission line with 8 way sensor data, transmit to the signal acquisition board behind the signal shielded cell on, then transmit 8 way sensor data to the working machine through the net twine, the internal 3 at least total acquisition boards that can prevent simultaneously of alternating temperature air pressure case, can mark the school with 8 16 the baroceptor data in 3 ways simultaneously after the bus cascades, very big improvement mark the efficiency that the school detected.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the sub-collecting plate of the present invention;
fig. 3 is a schematic diagram of the circuit structure of the present invention;
FIG. 4 is a control circuit diagram of the general controller of the present invention;
FIG. 5 is a control circuit diagram of the sub-controller of the present invention;
fig. 6 is a power control circuit diagram of the present invention;
fig. 7 is a serial port conversion circuit of the present invention;
fig. 8 is a serial port control circuit diagram of the present invention.
In the figure: the system comprises a temperature-changing air pressure box 1, a main acquisition board 2, a sub acquisition board 3, a signal isolator 4, a signal acquisition board 5, an air pressure standard device 6, a working machine 7, a signal isolation box 8, a main controller 21, a sub controller 31, an air pressure sensor 32, a signal indicator lamp 33, a network module 51, a first LAN interface 52 and a second LAN interface 71.
Detailed Description
As shown in fig. 1 to 8, the utility model relates to a pressure sensor calibration detection system, including variable temperature air pressure tank 1, the inside of variable temperature air pressure tank 1 is provided with a plurality of total acquisition boards 2, be provided with a plurality of branch acquisition boards 3 on total acquisition board 2, the integrated total controller 21 that has on total acquisition board 2, the integrated a plurality of branch controllers 31 that have on branch acquisition board 3, branch controller 31 is connected with total controller 21 through the bus, and each branch controller 31 is connected with two pressure sensors 32 at least;
a plurality of wall-penetrating insulators are arranged on a box body of the variable-temperature air pressure box 1 and used for controlling the air tightness of the variable-temperature air pressure box 1, a signal isolation box 8 is arranged on one side of the variable-temperature air pressure box 1, a signal isolator 4, a signal acquisition board 5 and an air pressure standard device 6 are arranged in the signal isolation box 8, and a plurality of network modules 51 and a first LAN interface 52 are arranged on the signal acquisition board 5;
the master controller 21 is connected with the input end of the signal isolator 4 through a lead, the output end of the signal isolator 4 is connected with the corresponding network module 51 through a lead, and the output end of the air pressure standard device 6 is connected with the corresponding network module 51 through a lead;
a working machine 7 is arranged on one side of the signal isolation box, a second LAN interface 71 is arranged on the working machine 7, and the second LAN interface 71 is connected with the first LAN interface 52 through a network cable so as to realize the analysis and processing of the working machine 7 on the data acquired by the multi-path air pressure sensor 32;
and one end of the signal acquisition board 5 is provided with a power interface, and the power interface is connected with the power module through a power line.
The total collection board 2 is provided with at least 3, divide collection board 3 to be provided with 8 at least, divide controller 31 to be provided with 8 at least, be provided with 24 at least ways isolation signal input ends on the signal isolator 4.
Still be provided with a plurality of signal indicator lamps 33 on the branch acquisition board 3, signal indicator lamp 33 corresponds each way pressure sensor data acquisition passageway respectively, signal indicator lamp 33 passes through the wire and links to each other with branch controller 31.
The working machine 7 is also connected with the display screen through a cable.
The model of a control chip adopted by the master controller 21 is STM8S 207;
the type of the control chip adopted by the sub-controller 31 is STM8S 003.
The utility model discloses mainly through using bus integration and network deployment collection technique, through bus acquisition, the net gape communication cascades, set up and gather module IP address, work machine 7 can gather baroceptor measured data and baroceptor 6's standard data in real time, obtain baroceptor calibration characteristic parameter after the data processing, the atmospheric pressure detection is carried out to rethread calling parameter and mathematical model, the data that specifically will gather are preserved as the text according to baroceptor device number, the text content includes the standard atmospheric pressure value of different baroceptors under the different temperature points, the measured value of sensor (atmospheric pressure source code and atmospheric pressure attached temperature source code), through carrying out segmentation polynomial surface fitting to data and obtaining the atmospheric pressure coefficient that corresponds, adjust the coefficient that corresponds according to the formula through the device number during retest and compile, the error of inspection measured pressure value and standard temperature value.
The utility model discloses an output characteristics of baroceptor digital quantity combines bus acquisition mode can mark school simultaneously and detect hundreds of baroceptors, and the data of gathering through increasing atmospheric pressure etalon 6 is as the calibration benchmark, has increased the network deployment collection of sonde data, can also carry out remote control through 7 sensor data acquisition at the working machine simultaneously, very big improvement mark school detection efficiency.
Based on baroceptor's digital output characteristics, for improve equipment utilization efficiency, reduce artifical input, increase once and mark school quantity, quick sampling, reduce data line quantity, and for guaranteeing 1 gas tightness of alternating temperature pneumatic chamber, the signal line all carries out the inside and outside wiring intercommunication of case through wall insulator, this embodiment carries out the detailed description through 16P total acquisition board, baroceptor can insert on collecting board 3 as independent device, 3 cartridge of branch acquisition board are on collecting board 2, set up 1 total controller 21 on collecting board 2, set up 8 branch controllers 31 on collecting board 3, can trun 16 baroceptor data into 1 signal data to signal isolator 4 simultaneously, 24 total acquisition boards of parallel 16P, carry out many sensor data acquisition fast. The signal isolator 4 carries out filtering processing on the 24 paths of signals to ensure correct data transmission.
The signal acquisition board 5 converts 24 paths of data to be detected and 1 path of standard table data into network port data through the network modules 51 (one of the network modules 51 can provide 8 IP addresses), the calibration detection can be completed only through one network cable between the signal acquisition board and the working machine 7, and the data acquisition processing of 384 devices and 25 groups of data can be completed only through dozens of seconds at each air pressure point.
The utility model discloses at first peg graft the baroceptor that awaits measuring when using on each branch acquisition board 3 in the variable temperature pneumatic box 1, then set for the temperature in the variable temperature pneumatic box 1 and atmospheric pressure value according to the regulation that the calibration detected, set for behind the parameter of variable temperature pneumatic box 1, connect signal acquisition board 5 and open, open the machine of working 7 simultaneously, begin to gather baroceptor's data and pneumatic standard ware 6's data this moment, the branch signal pilot lamp 33 on the acquisition board 3 shows the collection state when gathering data, wherein signal pilot lamp 33 shows green and shows that sensor data is normal to be gathered, signal pilot lamp 33 shows that red shows that sensor data gathers and appears unusually, the staff can stop the calibration detection this moment, the inspection problem, treat the problem after checking up clearly, but restart system marks the calibration detection.
Simultaneously the utility model discloses still can realize showing in real time and observing gathering sensor data through setting up the host computer on the working machine 7, the net twine is connected to the working machine 7, sets up the IP address of network module 51 and the target IP address of working machine 7 and relevant parameter, and relevant parameter includes sensor data parameter and communication port number, then begins sensor data communication.
The utility model discloses a baroceptor marks school and detects through marking the school with the baroceptor welding on the sonde measuring board and detecting, once can only realize 72 marks the school at most, gathers the board and gathers single signal, and 72 way signal data line truns into 6 232 serial port line data, carries out atmospheric pressure through increasing the working machine expansion tank (many serial port cards) and marks the school and detects, along with the technological improvement of sonde production marking the school detection line, the utility model discloses a baroceptor marks school detecting system and gathers mark school data through bus networking, utilizes baroceptor digital output SPI to increase bus acquisition, networking communication collection module, realizes data remote control collection with 7 collection processing data platforms of working machine, very big improvement production efficiency, improve for original 5.3 times work efficiency.
The utility model realizes the simultaneous calibration and detection of a plurality of air pressure sensors through the control circuit of the master controller 21, the control circuit of the slave controller 31 and the power control circuit, the periphery of the control circuits of the master controller 21 and the slave controller 31 is provided with the clock circuit and the crystal oscillator circuit, and the data transmission of a plurality of signals through one signal wire is realized through the bus cascade mode, and the efficiency is high; the model of a chip adopted by the power supply control circuit is SPX3819M5-3.3, the model of a chip adopted by the serial port conversion circuit is SP3232, and the model of a serial port server adopted by the serial port control circuit is ZQWL-EthRS-T8.
About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides an atmospheric pressure sensor marks school detecting system, includes alternating temperature atmospheric pressure case (1), its characterized in that: a plurality of main collecting plates (2) are arranged in the variable-temperature air pressure box (1), a plurality of sub collecting plates (3) are arranged on the main collecting plates (2), a main controller (21) is integrated on the main collecting plates (2), a plurality of sub controllers (31) are integrated on the sub collecting plates (3), the sub controllers (31) are connected with the main controller (21) through buses, and each sub controller (31) is at least connected with two air pressure sensors (32);
a plurality of wall-penetrating insulators are arranged on a box body of the variable-temperature air pressure box (1), the wall-penetrating insulators are used for controlling the air tightness of the variable-temperature air pressure box (1), a signal isolation box (8) is arranged on one side of the variable-temperature air pressure box (1), a signal isolator (4), a signal acquisition board (5) and an air pressure standard device (6) are arranged in the signal isolation box (8), and a plurality of network modules (51) and a first LAN interface (52) are arranged on the signal acquisition board (5);
the master controller (21) is connected with the input end of the signal isolator (4) through a lead, the output end of the signal isolator (4) is connected with the corresponding network module (51) through a lead, and the output end of the air pressure standard device (6) is connected with the corresponding network module (51) through a lead;
a working machine (7) is arranged on one side of the signal isolation box, a second LAN interface (71) is arranged on the working machine (7), and the second LAN interface (71) is connected with the first LAN interface (52) through a network cable so as to realize the analysis and processing of the working machine (7) on the data acquired by the multi-path air pressure sensor (32);
and one end of the signal acquisition board (5) is provided with a power supply interface, and the power supply interface is connected with the power supply module through a power line.
2. The calibration and detection system for air pressure sensor as claimed in claim 1, wherein: the total acquisition board (2) is provided with at least 3, divide acquisition board (3) to be provided with 8 at least, divide controller (31) to be provided with 8 at least, be provided with 24 at least isolation signal input ends on signal isolator (4).
3. The calibration and detection system for air pressure sensor as claimed in claim 2, wherein: divide and still be provided with a plurality of signal indicator lamps (33) on gathering board (3), signal indicator lamp (33) correspond every baroceptor data acquisition passageway of the way respectively, signal indicator lamp (33) pass through the wire and divide controller (31) to link to each other.
4. The calibration and detection system for air pressure sensor as claimed in claim 2, wherein: the working machine (7) is also connected with the display screen through a cable.
5. The calibration and detection system for air pressure sensor as claimed in claim 2, wherein: the model of a control chip adopted by the master controller (21) is STM8S 207;
the type of a control chip adopted by the sub-controller (31) is STM8S 003.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405179.6U CN212378957U (en) | 2020-07-16 | 2020-07-16 | Air pressure sensor calibration detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405179.6U CN212378957U (en) | 2020-07-16 | 2020-07-16 | Air pressure sensor calibration detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212378957U true CN212378957U (en) | 2021-01-19 |
Family
ID=74172405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021405179.6U Active CN212378957U (en) | 2020-07-16 | 2020-07-16 | Air pressure sensor calibration detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212378957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848015A (en) * | 2021-09-27 | 2021-12-28 | 山东理工大学 | ZigBee-based pressure sensor online calibration system |
-
2020
- 2020-07-16 CN CN202021405179.6U patent/CN212378957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848015A (en) * | 2021-09-27 | 2021-12-28 | 山东理工大学 | ZigBee-based pressure sensor online calibration system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202694136U (en) | Multichannel thermal control system testing equipment | |
| CN107966269A (en) | A kind of optical module, optical device condition monitoring system | |
| CN101777796A (en) | DSP (Digital Signal Processor)-based distributed fault recorder for electric system | |
| CN101718856A (en) | Calibration system of digital quantity input type electric energy meter | |
| CN103744045A (en) | Digital type universal meter automatic calibration system | |
| CN212378957U (en) | Air pressure sensor calibration detection system | |
| CN107767024A (en) | One kind is used for cover-plate glass product of production line quality real-time monitoring system and method | |
| CN106873464A (en) | A kind of airborne distributed parallel computing environment of restructural and method | |
| CN111308242A (en) | Test platform and test method of distribution automation system | |
| CN103364191B (en) | A kind of large-scale experiment device teledata exchanges and control method | |
| CN207408579U (en) | Low-voltage platform area intelligent diagnosing instrument | |
| CN106844127B (en) | A kind of highly reliable modular testing emulation platform | |
| CN206161032U (en) | Sensor is automatic correcting device in batches | |
| CN103441818B (en) | The detection method of a kind of data transmission fault and device | |
| CN212378931U (en) | Temperature sensor calibration detection system | |
| CN107947967A (en) | A kind of high-tension apparatus presence detecting system of plug and play | |
| CN105006890B (en) | A kind of intelligent substation device program managing and control system | |
| CN107016848A (en) | Carry the Lightning Electromagnetic Pulse optical fiber transmission measuring syste of calibration and compensation | |
| CN204065791U (en) | Based on the air lock automatic control system of wireless sensor network | |
| CN207408439U (en) | A kind of intelligent wiring box | |
| CN207636109U (en) | A kind of optoelectronic transceiver pipe self-checking circuit | |
| CN206311927U (en) | A kind of communication management apparatus | |
| CN105403847A (en) | Voltage monitoring system based on FPGA technology and verification method | |
| CN204612901U (en) | A kind of Insertion Loss, return loss, Wavelength Dependent Loss proving installation | |
| CN205281253U (en) | Detection apparatus for wind generating set controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |