CN201440077U - Detection and calibrating device of dangerous chemical transportation monitoring device - Google Patents
Detection and calibrating device of dangerous chemical transportation monitoring device Download PDFInfo
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- CN201440077U CN201440077U CN2009201330304U CN200920133030U CN201440077U CN 201440077 U CN201440077 U CN 201440077U CN 2009201330304 U CN2009201330304 U CN 2009201330304U CN 200920133030 U CN200920133030 U CN 200920133030U CN 201440077 U CN201440077 U CN 201440077U
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000012806 monitoring device Methods 0.000 title claims abstract description 24
- 239000000126 substance Substances 0.000 title claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 22
- 238000012544 monitoring process Methods 0.000 claims description 19
- 238000004088 simulation Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 5
- 239000000383 hazardous chemical Substances 0.000 claims description 3
- 230000000638 stimulation Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000013480 data collection Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000013056 hazardous product Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
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Abstract
The utility model discloses a detection and calibrating device of a dangerous chemical transportation monitoring device, comprising a microprocessor module, a data collection interface module and an analog input module; the microprocessor module is connected with the data collection interface module, the data collection interface module and the analog input module are connected with the monitoring device; the analog input module is used for inputting analog parameter to the monitoring device which is detected and calibrated; the data collection interface module is used for collecting the measuring data which is output by the monitoring device and sending the measuring data to the microprocessor module; the microprocessor module is used for displaying the measuring data and detecting and calibrating the monitoring device according to the measuring data and the analog parameter. By arranging the detection and calibrating device with the unified signal interface, the detection and calibration of a plurality of dangerous chemical transportation monitoring devices can be simultaneously and automatically carried out by adopting the detecting and calibrating device, the product detecting and calibrating efficiency is increased, the stable and normal work of the sensor and the detector in the monitoring device is ensured.
Description
Technical Field
The utility model relates to a calibration equipment especially relates to a detection calibration device of dangerization article transportation supervisory equipment.
Background
With the explosion of international intermodal business, more and more tank containers/tank trucks are used for the transportation of dangerous chemicals. However, the chemical dangerous goods are leaked, lost and exploded during the transportation process, which causes serious property loss to people. For this reason, various real-time tracking, monitoring and alarming systems for hazardous material leakage detection and container condition monitoring have been developed. Various sensors used for detecting the internal state of the container are key elements of the monitoring equipment.
However, due to the problem of output consistency of the sensors, the conversion relationship from the output of the sensors to the analog quantity needs to be obtained by calibration, so the calibration is performed before use, and therefore, an automatic calibration platform is urgently needed to calibrate various sensors in the production process of the dangerous goods leakage detection and container state monitoring system.
According to the traditional detection and calibration method for the detector, people mostly operate manually to calibrate and inspect the sensor, the microprocessor is not used for automatically calibrating the sensor, and the production efficiency cannot be improved. The method comprises the following steps of calibrating each sensor independently for each manufacturer, testing the detector by the detector manufacturer, and then coordinating and improving in actual application. Obviously, the detection and calibration method wastes a large amount of manpower and material resources firstly, and then because the detector adopts various sensors such as pressure, liquid level, gas, temperature and humidity, door switch and the like, crosstalk and data fusion among the sensors are difficult to solve.
Thus, there is a need for improvements and enhancements in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a collection pressure, liquid level, temperature, humidity, door switch and gas sensor to the above-mentioned shortcoming of prior art, and the detection of detector is markd in the check out calibration set of supervisory equipment of an organic whole.
The utility model adopts the technical scheme that:
a detection calibration device for hazardous chemical substance transportation monitoring equipment comprises a microprocessor module, a data acquisition interface module and an analog input module; the microprocessor module is connected with the data acquisition interface module, and the data acquisition interface module and the analog input module are connected with the monitoring equipment to be calibrated; wherein,
the analog input module is used for generating analog parameters which are adaptive to the technical parameters sensed by the monitored and calibrated monitoring equipment and sending the analog parameters to the monitoring equipment;
the data acquisition interface module is used for acquiring measurement data generated by the monitoring equipment under the stimulation of the simulation parameters and sending the measurement data to the microprocessor module;
and the microprocessor module is used for detecting and calibrating the monitoring equipment according to the measured data and the simulation parameters.
The device of the utility model, wherein the monitoring device is a gas sensor; the data acquisition interface module comprises: and the gas sensor signal interface is connected with the gas sensor and used for acquiring the test data output by the gas sensor.
The device of the utility model, wherein the monitoring device is a pressure sensor; the data acquisition interface module comprises: and the pressure sensor signal interface is connected with the pressure sensor and used for acquiring the test data output by the pressure sensor.
The device of the utility model, wherein the monitoring device is a liquid level sensor; the data acquisition interface module comprises: and the liquid level sensor signal interface is connected with the liquid level sensor and used for acquiring test data output by the liquid level sensor.
The device of the utility model, wherein the monitoring device is a temperature and humidity sensor; the data acquisition interface module comprises: and the temperature and humidity sensor signal interface is connected with the temperature and humidity sensor and used for collecting test data output by the temperature and humidity sensor.
The device of the utility model, wherein the monitoring device is a door switch sensor; the data acquisition interface module comprises: and the door switch sensor signal interface is connected with the door switch sensor and used for acquiring the test data output by the door switch sensor.
The device of the utility model, wherein the monitoring device is a detector; the data acquisition interface module comprises: and the detector signal serial port is connected with the detector and used for acquiring the test data output by the detector.
Device, wherein, analog input module is including the gas distribution system who connects microprocessor module, gas distribution system is used for under microprocessor module's control, provide gas sensor with gas concentration simulation parameter.
Device, wherein, analog input module includes magnetic medium for through the magnetic field that changes door both sides, change door switch sensor's analog input parameter.
Device, wherein, analog input module is including connecting microprocessor module's humiture case is used for under microprocessor module's control, provide temperature and humidity analog parameter for level sensor.
The utility model discloses a setting has the detection calibration device of unified signal interface, makes a plurality of supervisory equipment of dangerization article transportation, what include pressure sensor, level sensor, temperature sensor, humidity transducer, door switch sensor, gas sensor or detector etc. detects to mark and can adopt the device to go on automatically simultaneously, makes to detect and marks more intellectuality, uses manpower sparingly, improves product test efficiency, ensures the stable normal work of the sensor on the supervisory equipment and detector.
Drawings
Fig. 1 is a schematic view of a connection structure when the detection calibration device detects a calibration sensor according to an embodiment of the present invention;
fig. 2 is the utility model discloses detection calibration device detects the connection structure sketch map when demarcating the detector.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The utility model discloses detection calibration device stereogram is shown in FIG. 1, and it includes microprocessor module 110, data acquisition interface module 120 and analog input module 130. The microprocessor module 110 is connected to the data acquisition interface module 120, and the data acquisition interface module 120 and the analog input module 130 are connected to the monitoring device. The simulation input module 130 is configured to generate simulation parameters corresponding to the technical parameters sensed by the monitored and calibrated monitoring equipment, and send the simulation parameters to the monitoring equipment; the data acquisition interface module 120 is configured to acquire measurement data generated by the monitoring device under the stimulation of the simulation parameters, and send the measurement data to the microprocessor module 110; the microprocessor module 110 is used for displaying the measurement data and detecting and calibrating the corresponding monitoring equipment according to the measurement data and the simulation parameters. The monitoring device may be a sensor, such as a gas sensor, a pressure sensor, a liquid level sensor, a door switch, a temperature and humidity sensor, etc., and detects and calibrates characteristic parameters of each sensor by simulating actual input quantity, so as to complete detection and calibration of a single sensor, as shown in fig. 1.
Detect in order to accomplish the while of a plurality of sensors and detector and mark, improve work efficiency, the utility model discloses a detect data acquisition interface module 120 of calibration arrangement 100 can include following interface simultaneously: a gas sensor signal interface 121 for collecting test data of the gas sensor; a pressure sensor signal interface 122 for collecting test data of the pressure sensor; a liquid level sensor signal interface 123 for collecting test data of the liquid level sensor; a temperature and humidity sensor signal interface 124 for collecting test data of the temperature and humidity sensor; a door switch sensor signal interface 125 for collecting test data of the door switch sensor; and a detector signal serial port 126 for collecting test data of the detector, as shown in fig. 1. Or several interfaces can be selected according to the requirement to carry out detection calibration on the corresponding sensor or detector.
The calibration process of each sensor is specifically described in that, when the gas sensor 201 is calibrated by detection, the analog input module may include a gas distribution system for providing gas concentration analog parameters for the gas sensor 201, the input end of the gas sensor 201 is connected to the gas distribution system, and the output end is connected to the microprocessor module through the gas sensor signal interface 121, as shown in fig. 1; the analog input module 130 may further include a temperature and humidity module for providing temperature and humidity analog parameters to the gas sensor 201. The gas distribution system is used for distributing an accurate gas concentration value, and then the real-time output of the gas sensor 201 is collected through the gas sensor signal interface 121 and the A/D card, so as to test various main parameters of the gas sensor 201, such as: sensitivity, response and recovery time, selectivity, power-on response time, a zero value and the like, and the quality of the gas sensor is judged by integrating all parameters. Because the gas sensor is sensitive to the environment in the actual test, the temperature and humidity box is controlled by the microprocessor when a calibration gas sensor is detected in the actual system so as to provide variable constant temperature and humidity conditions and test a plurality of groups of change curves of the gas sensor to various parameters in the specific environment.
When detecting the calibration door switch sensor 205, the analog input module 130 includes a magnetic medium for changing the analog input parameters of the door switch sensor 205 by changing the magnetic field on both sides of the door. The door switch sensor has its input connected to the magnetic medium and its output connected to the microprocessor module 110 through the door switch sensor signal interface 125, as shown in fig. 1. The door switch is designed by using the magnetic field between the magnetic media installed at both sides of the door, the change in the opening and closing process of the door, so under the platform, the ideal input can be obtained by using the same magnetic media, and the output of the door switch sensor is 0-3.3V voltage. There are two modes of door switch sensors: wireless reception and wired reception. Wired reception receives signals through a serial port RXD of the microprocessor, wireless reception simulates serial port receiving signals through an external interrupt pin of the microprocessor, the actual state change quantity of a lower computer receiving door switch sensor in the detection calibration platform is uploaded to the microprocessor through a door switch sensor signal interface 125 and the lower computer, and 1 to 32 door switch sensors can be processed at one time.
When detecting the calibrated temperature/humidity sensor 204, the analog input module 130 may include a temperature/humidity box connected to the microprocessor module 110 for providing temperature and humidity analog parameters to the liquid level sensor under the control of the microprocessor module 110. The input end of the temperature and humidity sensor 204 is connected to the magnetic medium, and the output end is connected to the microprocessor module 110 through the temperature and humidity sensor signal interface 124, as shown in fig. 1. The input of the temperature and humidity sensor 204 can reach the temperature of-40-140 ℃, the relative humidity of 0-100% RH and the output of 0-5V voltage by using a high-low temperature test box, and the standard I is adopted2And C, communication. Wherein the temperature and humidity box is controlled by a serial port on the microprocessor, and the output signal of the temperature and humidity is controlled by I2The interface C acquires a temperature and humidity sensor signal interface 124 and a lower computer, and then the temperature and humidity sensor signal interface and the lower computer are uploaded to a microprocessor and processed and displayed on a software LABVIEW detection calibration platform.
When detecting a calibrated pressure sensor 202 or a level sensor 203, the analog input module 130 may comprise a piston gauge for providing a level analog parameter to the level sensor 203, or a pressure analog parameter to the pressure sensor 202. The input end of the pressure sensor 202 or the liquid level sensor 203 is connected with the magnetic medium, the output end of the pressure sensor 202 is connected with the microprocessor module 110 through the pressure sensor signal interface 122, and the output end of the liquid level sensor 203 is connected with the microprocessor module 110 through the liquid level sensor signal interface 122, as shown in fig. 1. The principle of the pressure and the liquid level sensor is basically the same, and a WYB piezoresistive pressure transmitter is adopted for transmitting signals of the pressure/liquid level sensor. The transducer adopts a sensitive element based on piezoresistive effect and is provided with a high-precision signal processing circuit, and has the advantages of wide working temperature, high precision, good long-term stability, long service life and the like. The piston type pressure gauge is a standard pressure measuring instrument with high accuracy, high reproducibility and high reliability, which is generated based on the Pascal law and the hydrostatic balance principle, the piston type pressure gauge is used for carrying out analog input on a pressure sensor and a liquid level sensor, corresponding sensors of the piston type pressure gauge are detected and calibrated by software, meanwhile, the detector is detected and calibrated by comparing data measured on the detector, and the pressure liquid level output of the piston type pressure gauge is a 4-20 mA current loop. The series connection of 150 ohm resistors is converted into a voltage value of 0.6-3V, and the A/D card on the microprocessor for the gas sensor is used for collecting real-time output in a similar way, so that specific parameters are obtained for judgment.
When the calibration probe is detected, the required sensor is connected to the probe 206, and the probe 206 is connected to the microprocessor module 110 through the probe signal serial port 126 of the data acquisition interface module 120, as shown in fig. 2. The sensors, such as gas, pressure, liquid level, temperature and humidity, door switch sensors, etc., may be connected to the detector 206, or may be connected to one or more sensors. The detector 206 automatically recognizes that the connected sensor is connected or normal, collects intermediate measurement data of the sensor and performs data fusion, uploads the fusion result to the microprocessor module 110 through the serial port, and displays the data in real time through analysis processing of software on the LABVIEW test calibration platform. The software platform can be used for issuing commands to the detectors, testing and calibrating the quality of the detectors by reading back response data of the detectors, completing software compensation of zero values of all the sensors by the software platform, and finally judging the quality of the detectors and completing detection and calibration of the detectors by seeing whether data fusion of the detectors to the multiple sensors is reasonable or not.
To sum up, the utility model discloses a setting has the detection calibration device of unified signal interface, makes a plurality of supervisory equipment of dangerization article transportation, what include pressure sensor, level sensor, temperature sensor, humidity transducer, door switch sensor, gas sensor or detector etc. detects to mark and can adopt the device to go on automatically simultaneously, makes to detect to mark more intelligent, uses manpower sparingly, improves product test efficiency, ensures the stable normal work of the sensor on the supervisory equipment and detector.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (10)
1. A detection calibration device of hazardous chemical substance transportation monitoring equipment is characterized by comprising a microprocessor module, a data acquisition interface module and an analog input module; the microprocessor module is connected with the data acquisition interface module, and the data acquisition interface module and the analog input module are connected with a plurality of monitoring devices to be calibrated; wherein,
the analog input module is used for generating analog parameters adaptive to the technical parameters sensed by the monitoring equipment and sending the analog parameters to the monitoring equipment;
the data acquisition interface module is used for acquiring measurement data generated by the monitoring equipment under the stimulation of the simulation parameters and sending the measurement data to the microprocessor module;
and the microprocessor module is used for detecting and calibrating the monitoring equipment according to the measured data and the simulation parameters.
2. The apparatus of claim 1, wherein the monitoring device comprises a gas sensor; the data acquisition interface module comprises: and the gas sensor signal interface is connected with the gas sensor and used for acquiring the test data output by the gas sensor.
3. The apparatus of claim 1, wherein the monitoring device comprises a pressure sensor; the data acquisition interface module comprises: and the pressure sensor signal interface is connected with the pressure sensor and used for acquiring the test data output by the pressure sensor.
4. The apparatus of claim 1, wherein the monitoring device comprises a level sensor; the data acquisition interface module comprises: and the liquid level sensor signal interface is connected with the liquid level sensor and used for acquiring test data output by the liquid level sensor.
5. The apparatus of claim 1, wherein the monitoring device comprises a temperature and humidity sensor; the data acquisition interface module comprises: and the temperature and humidity sensor signal interface is connected with the temperature and humidity sensor and used for collecting test data output by the temperature and humidity sensor.
6. The apparatus of claim 1, wherein the monitoring device comprises a door switch sensor; the data acquisition interface module comprises: and the door switch sensor signal interface is connected with the door switch sensor and used for acquiring the test data output by the door switch sensor.
7. The apparatus of any of claims 1 to 6, wherein the monitoring device comprises a probe; the data acquisition interface module comprises: and the detector signal serial port is connected with the detector and used for acquiring the test data output by the detector.
8. The apparatus of claim 2, wherein the analog input module comprises a gas distribution system coupled to a microprocessor module, the gas distribution system being configured to provide a gas concentration analog parameter to the gas sensor under control of the microprocessor module.
9. The apparatus of claim 6, wherein the analog input module comprises a magnetic medium for changing the analog input parameter of the door switch sensor by changing a magnetic field across the door.
10. The apparatus of claim 5, wherein the analog input module comprises a temperature and humidity box connected to the microprocessor module for providing temperature and humidity analog parameters to the liquid level sensor under control of the microprocessor module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201330304U CN201440077U (en) | 2009-06-19 | 2009-06-19 | Detection and calibrating device of dangerous chemical transportation monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201330304U CN201440077U (en) | 2009-06-19 | 2009-06-19 | Detection and calibrating device of dangerous chemical transportation monitoring device |
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| CN201440077U true CN201440077U (en) | 2010-04-21 |
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| CN2009201330304U Expired - Lifetime CN201440077U (en) | 2009-06-19 | 2009-06-19 | Detection and calibrating device of dangerous chemical transportation monitoring device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937251A (en) * | 2010-09-30 | 2011-01-05 | 北京理工大学 | Environment control unit for dangerous cargo carrier vehicle |
| CN102955472A (en) * | 2011-08-25 | 2013-03-06 | 北京七星华创电子股份有限公司 | Digitalized instrument calibrating device |
| CN104977947A (en) * | 2014-04-01 | 2015-10-14 | 宇宙电路板设备(深圳)有限公司 | Automatic adding system for printed circuit board production line etching liquid |
| CN106406199A (en) * | 2016-08-31 | 2017-02-15 | 聚光科技(杭州)股份有限公司 | Hazardous chemical substance monitoring device and method |
| CN106932024A (en) * | 2017-04-20 | 2017-07-07 | 安徽皖控自动化仪表有限公司 | One kind is used for liquid dangerous product on-Line Monitor Device |
-
2009
- 2009-06-19 CN CN2009201330304U patent/CN201440077U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937251A (en) * | 2010-09-30 | 2011-01-05 | 北京理工大学 | Environment control unit for dangerous cargo carrier vehicle |
| CN101937251B (en) * | 2010-09-30 | 2012-08-29 | 北京理工大学 | Environment control unit for dangerous cargo carrier vehicle |
| CN102955472A (en) * | 2011-08-25 | 2013-03-06 | 北京七星华创电子股份有限公司 | Digitalized instrument calibrating device |
| CN102955472B (en) * | 2011-08-25 | 2014-09-03 | 北京七星华创电子股份有限公司 | Digitalized instrument calibrating device |
| CN104977947A (en) * | 2014-04-01 | 2015-10-14 | 宇宙电路板设备(深圳)有限公司 | Automatic adding system for printed circuit board production line etching liquid |
| CN106406199A (en) * | 2016-08-31 | 2017-02-15 | 聚光科技(杭州)股份有限公司 | Hazardous chemical substance monitoring device and method |
| CN106406199B (en) * | 2016-08-31 | 2019-04-09 | 聚光科技(杭州)股份有限公司 | Harmful influence monitoring device and method |
| CN106932024A (en) * | 2017-04-20 | 2017-07-07 | 安徽皖控自动化仪表有限公司 | One kind is used for liquid dangerous product on-Line Monitor Device |
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Granted publication date: 20100421 |