CN217717683U - Device suitable for carry out automated inspection to zirconia oxygen analyzer - Google Patents
Device suitable for carry out automated inspection to zirconia oxygen analyzer Download PDFInfo
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- CN217717683U CN217717683U CN202221639168.3U CN202221639168U CN217717683U CN 217717683 U CN217717683 U CN 217717683U CN 202221639168 U CN202221639168 U CN 202221639168U CN 217717683 U CN217717683 U CN 217717683U
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Abstract
The utility model discloses an instrument detection device especially relates to a device suitable for carry out automated inspection to zirconia oxygen analyzer. The structure is as follows: the gas supply system for conveying standard gas is communicated with the detected instrument, the vacuum detection system for detecting the vacuum leakage condition is connected with the detected instrument, an electric contact vacuum meter of the vacuum detection system is in bidirectional communication connection with the programmable controller, the programmable controller is in bidirectional communication connection with the integrated touch screen, the millivolt meter for collecting output signals of the detected instrument and the output ends of the transmitters are connected with the input end of the programmable controller, and the output end of the programmable controller is connected with the gas supply system and the execution mechanism of the vacuum detection system. The utility model has the characteristics of high accuracy, not disturbed by human factor, automatic recording, promptness, many indexes detect, its precision that detects is high, detection efficiency is high.
Description
Technical Field
The utility model relates to a check out test set especially relates to a device suitable for carry out automated inspection to zirconia oxygen analyzer, and it belongs to instrument and meter technical field.
Background
The zirconia oxygen analyzer is mainly composed of a zirconia transmitter and a zirconia probe. The method for measuring the oxygen content in the aspects of various boiler tail gases and the like is considered to be a convenient and reliable measuring method. This requires that the measurement values of each analyzer be accurate. In the field, no professional instrument for detecting the zirconia analytical instrument exists, basically, an inspector still detects the instrument manually and visually, so that the used instrument is poor in precision and stability, and great troubles are brought to production.
The technical indexes of the zirconia oxygen analyzer to be detected are as follows: response time, background potential, internal resistance of the zirconia battery, measurement value precision, linearity, transmission precision and fluctuation, probe leakage and heating temperature fluctuation.
The detection indexes and detection methods of the traditional zirconia oxygen analyzer and the existing technical problems are as follows: the detection of the response time is visual detection and manual recording, and has the defects of poor precision, poor stability and great influence of human factors; the detection of the background potential is visual inspection and manual recording, and the defects of poor precision and stability and great influence of human factors exist; the detection of the internal resistance of the zirconia battery is visual measurement and manual recording, and has the defects of poor precision, poor stability and great influence by human factors; the detection of the precision of the measured value is visual method and manual record, and the defects of poor precision and stability are caused and are greatly influenced by human factors; the linear detection is visual detection and manual recording, and has the defects of poor precision and stability and large influence of human factors; the detection of the transmission precision and the fluctuation is visual detection and manual recording, and the defects of poor precision and stability and great influence of human factors exist; the probe leakage is generally not subjected to index detection; the fluctuation of the heating temperature is detected by visual inspection or index detection.
At present, no reliable standard equipment suitable for detecting the oxygen content of the zirconia is basically available, and the detection method of each production unit and each use unit is different. The method mainly comprises the steps that simple inspectors directly and manually see and record the display value of the instrument, a standard and perfect detection means is not provided for the existence of leakage of the zirconia probe, and the detection results of different inspectors with the same analyzer have larger errors.
In addition, no detection method is available for the leakage of the zirconia probe, data errors can be caused by manual recording, manual reports can be interfered by human factors, and the reliability is poor.
How to ensure that the accuracy, precision and decline index of a newly produced zirconia oxygen analyzer and a zirconia oxygen analyzer used for a period of time in a working environment meet the accurate detection of a technical standard value becomes a technical problem which needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
The utility model aims to solve the technical problem that a device suitable for carry out automated inspection to zirconia oxygen analyzer is provided, it has high accuracy, does not receive artificial interference, automatic recording, promptness, the characteristics that many indexes detected, and the precision that detects is high, detection efficiency is high.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model provides a device suitable for carry out automated inspection to zirconia oxygen analyzer which structure is as follows: the gas supply system for conveying standard gas is communicated with the detected instrument, the vacuum detection system for detecting the vacuum leakage condition is connected with the detected instrument, an electric contact vacuum meter of the vacuum detection system is in bidirectional communication connection with the programmable controller, the programmable controller is in bidirectional communication connection with the integrated touch screen, the millivolt meter for collecting output signals of the detected instrument and the output ends of the transmitters are connected with the input end of the programmable controller, and the output end of the programmable controller is connected with the gas supply system and the execution mechanism of the vacuum detection system.
Preferably, the air supply system has the following structure: the air outlet end of each of the air pump, the first standard air bottle, the second standard air bottle and the third standard air bottle is communicated with the multi-path air path converter, the air outlet end of the multi-path air path converter is communicated with the detected instrument through a pipeline, and a float flowmeter is arranged on the pipeline.
Preferably, the vacuum detection system has the following structure: the negative pressure tank is communicated with the detected instrument, a second vacuum electromagnetic valve is arranged on the negative pressure tank, the vacuum pump is communicated with the negative pressure tank through a gas transmission pipeline, and an electric contact vacuum gauge and a first vacuum electromagnetic valve are arranged on the gas transmission pipeline.
Preferably, each transmitter comprises an oxygen transmitter, a resistance transmitter and a temperature transmitter, and the resistance transmitter and the temperature transmitter are electrically connected with the detected instrument.
Preferably, the detected instrument is electrically connected with a rotary switch, and the rotary switch is in contact connection with a millivoltmeter or an oxygen transducer.
Preferably, the millivolt meter is electrically connected in parallel with the variable resistor.
Preferably, the actuating mechanism of the air supply system and the vacuum detection system includes a first vacuum solenoid valve, a second vacuum solenoid valve, a manual first contactor, and a second contactor.
Preferably, the air pump is connected with a first power supply through the manual first contactor, the second contactor is electrically connected with a second power supply, and the second contactor is electrically connected with the vacuum pump; the output end of the programmable controller is connected with the second contactor, and the input ends of the first vacuum electromagnetic valve and the second vacuum electromagnetic valve are connected with the output end of the programmable controller.
Preferably, the output end of the integrated touch screen is connected with a printer.
Preferably, the programmable controller adopts a Heishi LE5107L, a LE5310; the integrated touch screen adopts Kunlun TPC1071Gt.
Due to the adoption of the technical scheme, make the utility model has the following characteristics and effect:
the utility model discloses a concrete function as follows:
1. and calculating the interactive relation between the oxygen amount and the oxygen potential at different temperatures and the output current value at different oxygen amount ranges. Response time, automatic detection and recording, high precision, no error, uniform measured value, automatic detection of the measured result as qualified or unqualified, and no need of manual judgment.
2. Background potential value, no error and uniform measured value.
3. The internal resistance of the zirconia battery is detected and recorded by a computer program, the precision is high, no error exists, and the measured values are uniform.
4. The precision of the measured value is automatically detected and recorded, the precision is high, no error exists, and the measured value is uniform.
5. Linearity, computer program detection and recording, high precision, no error and uniform measurement value.
6. The precision and the volatility of transmission, computer program detection and recording, high precision, no error and uniform measured value.
7. The leak performance of the probe, the high-precision pressure sensor and the computer program are used for detecting and recording, the precision is high, no error exists, and the measured values are uniform.
8. The fluctuation, continuous curve and number of the heating temperature are displayed, and the fault point is automatically displayed and recorded.
9. And displaying and recording fault points.
10. Automatic storage of the test data.
11. The judgment of the inspection result and the generation of the report can be stored for a long time or directly printed.
12. The integrated touch screen preferably adopts a multi-picture color touch screen, and can display continuous curves, measure indexes, record fault points and automatically judge whether the measure indexes are qualified or unqualified.
The utility model is a set of perfect zirconia oxygen analyzer detecting instrument, which automatically detects the main technical indexes required to be detected by the instrument; and (3) displaying qualified or unqualified, and no manual judgment is needed. And detecting output data for a long time, and automatically recording fault points with problems. The fault points are not missed, and the detection error is not caused artificially. All the detection data can be kept on file for a long time. The generation cost is reduced, and the detection efficiency and the detection quality are improved. The method has the characteristics of high accuracy, no artificial interference, automatic recording, timeliness and multi-index detection, and has high detection precision and high detection efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the gas circuit system of the present invention.
Fig. 2 is a schematic diagram of the circuit system of the present invention.
Fig. 3 is a schematic view of the overall structure of the present invention.
In the figure, 1, a negative pressure tank; 2. an oxygen content transmitter; 3. a vacuum pump; 4. a resistance transmitter; 5. a temperature transmitter; 6. an electric contact vacuum gauge; 7. a first vacuum solenoid valve; 8. an integrated touch screen; 9. a programmable controller; 10. a variable resistor; 11. a float flow meter; 12. a multi-path gas circuit converter; 14. An air pump; 15. a printer; 16. a millivoltmeter; 17. a second vacuum solenoid valve; 19. A first power supply; 20. a second power supply; 21. a manual first contactor; 22. a second contactor; 23. an instrument to be detected; 24. a rotary switch; 25. a first standard gas cylinder; 26. a second standard gas cylinder; 27. and a third standard gas cylinder.
Detailed Description
The present invention will be further described with reference to the following specific examples. These embodiments are merely illustrative and not restrictive of the scope of the invention, and all equivalent changes made in the spirit and scope defined in the claims are intended to be covered by the present invention.
In the following examples, unless otherwise specified, all are conventional techniques.
As shown in fig. 1, fig. 2 and fig. 3, the device for automatically detecting the oxygen content of zirconia of the present invention has the following structure: the gas supply system used for conveying standard gas is communicated with the detected instrument 23, the vacuum detection system used for detecting the vacuum leakage condition is connected with the detected instrument 23, the electric contact vacuum meter 6 of the vacuum detection system is in bidirectional communication connection with the programmable controller 9, the millivoltmeter 16 is electrically connected with the variable resistor 10 in parallel, the programmable controller 9 is in bidirectional communication connection with the integrated touch screen 8, and the output end of the integrated touch screen 8 is connected with the printer 15; the output ends of the millivoltmeter 16 and the transmitters for collecting the output signals of the detected instrument 23 are connected with the input end of the programmable controller 9, and the output end of the programmable controller 9 is connected with the actuating mechanisms of the gas supply system and the vacuum detection system.
The structure of the air supply system is as follows: the air pump 14 and the air outlet ends of the first standard air bottle 25, the second standard air bottle 26 and the third standard air bottle 27 are communicated with the multi-path air path converter 12, the air outlet end of the multi-path air path converter 12 is communicated with the detected instrument 23 through a pipeline, and the pipeline is provided with a float flowmeter 11.
The structure of the vacuum detection system is as follows: the negative pressure tank 1 is communicated with a detected instrument 23, a second vacuum electromagnetic valve 17 is arranged on the negative pressure tank 1, the vacuum pump 3 is communicated with the negative pressure tank 1 through a gas transmission pipeline, and an electric contact vacuum meter 6 and a first vacuum electromagnetic valve 7 are arranged on the gas transmission pipeline.
Each transmitter comprises an oxygen content transmitter 2, a resistance transmitter 4 and a temperature transmitter 5, and the resistance transmitter 4 and the temperature transmitter 5 are electrically connected with a detected instrument 23; the detected instrument 23 is electrically connected with a rotary switch 24, and the rotary switch 24 is in contact connection with the millivoltmeter 16 or the oxygen transducer 2.
The actuating mechanism structure of the gas supply system and the vacuum detection system comprises a first vacuum electromagnetic valve 7, a second vacuum electromagnetic valve 17, a manual first contactor 21 and a manual second contactor 22;
the air pump 14 is connected with the first power supply 19 through the manual first contactor 21, the second contactor 22 is electrically connected with the second power supply 20, and the second contactor 22 is electrically connected with the vacuum pump 3; the output end of the programmable controller 9 is connected with the second contactor 22, and the input ends of the first vacuum solenoid valve 7 and the second vacuum solenoid valve 17 are connected with the output end of the programmable controller 9.
In the following detailed examples of the present invention, each component can preferably select the following type of electrical components, but this cannot be used to limit the protection scope of the present invention, and the selected type of components can also be replaced by other types of components with equivalent effects. Wherein, the programmable controller 9 can be HELIJI LE5107L and LE5310; integrated touch screen 8: kunlun TPC1071Gt; a vacuum pump 3: VACUUM-01; first and second vacuum solenoid valves 7 and 17: TV301V-5G1; the printer 15: HP DesKJet 1112; millivolt meter 16: AI-501-mV; and (5) a temperature transmitter: AI-501-T; and (4) a resistance transmitter: COSO-2K; electric contact vacuum gauge 6: HONGQI-0 to-0.01; the float flow meter 11: LZB60-600mL/min; variable resistor 10: ZX55; air pump 14: TNY32-6D0; first and second contactors: RXM24VD. As a preferred scheme, as shown in fig. 1, fig. 2 and fig. 3, the detailed connection relationship of the device suitable for automatically detecting a zirconia oxygen analyzer of the present invention is described as follows: the integrated touch screen 8 is in bidirectional communication connection with an RS485 port of the programmable controller 9, the output end of the integrated touch screen 8 is connected with the printer 15 through a USB port, the negative pressure tank 1 is provided with a second vacuum electromagnetic valve 17, the input end of the second vacuum electromagnetic valve 17 is electrically connected with an output port Q.02 of the programmable controller 9, the vacuum pump 3 is communicated with the negative pressure tank 1 through a gas transmission pipeline, the gas transmission pipeline is provided with an electric contact vacuum meter 6 and a first vacuum electromagnetic valve 7, the first vacuum electromagnetic valve 7 is connected with the output port Q.01 of the programmable controller 9, and the electric contact vacuum meter 6 is in bidirectional connection with ports I.01 and I.02 of the programmable controller 9. The output end Q.00 of the programmable controller 9 is connected with a second contactor 22, the second contactor 22 is electrically connected with a second power supply 20, and the second contactor 22 is electrically connected with the vacuum pump 3; the air pump 14 is connected with a first power supply 19 through a manual first contactor 21, the air pump 14, the air outlet ends of the standard air cylinders 27 of the first standard air cylinder 25, the second standard air cylinder 26 and the third standard air cylinder are communicated with the multi-path air path converter 12, the air outlet end of the multi-path air path converter 12 is communicated with a detected instrument 23 through a pipeline, a float flowmeter 11 is arranged on the pipeline, the detected instrument 23 is electrically connected with a rotary switch 24, the rotary switch 24 is in contact connection with a millivolt meter 16 or an oxygen quantity transmitter 2, the output end of the millivolt meter 16 is connected with an input port RA of the programmable controller 9, the variable resistor 10 is electrically connected with the millivolt meter 16 in parallel, the output end of the oxygen quantity transmitter 2 is connected with an input port RD of the programmable controller 9, the detected instrument 23 is electrically connected with the resistance transmitter 4 and the temperature transmitter 5, the output end of the resistance transmitter 4 is connected with an input port RB of the programmable controller 9, and the output end of the temperature transmitter 5 is connected with the input port RC of the programmable controller 9.
The working principle of the utility model is as follows: as shown in fig. 1, fig. 2 and fig. 3, the utility model discloses an air circuit system comprises the air supply system for being detected instrument 23 transport standard gas and to the vacuum detection system who detects by the instrument 23 vacuum leakage condition, vacuum detection system's electric contact vacuum meter 6 exports the data that detect for programmable controller 9, carry out the operation with the standard value of its internal storage through programmable controller 9 and compare the back with the result and export integration touch-sensitive screen 8, integration touch-sensitive screen 8 records and saves, the signal output that each changer for gathering detected instrument 23 output signal will gather is for programmable controller 9, programmable controller 9 exports detected data for integration touch-sensitive screen 8, integration touch-sensitive screen 8 output control signal gives programmable controller 9, programmable controller 9 output control signal gives air supply system and vacuum detection system's actuating mechanism.
The utility model discloses a working process as follows:
an output instruction is triggered on the integrated touch screen 8, the second contactor 22 is triggered through the programmable controller 9, the first electromagnetic valve 7 is opened, the second electromagnetic valve 17 is closed, and the vacuum pump 3 is started. The normally open contact of the vacuum meter 6 is closed, the programmable controller 9 outputs an instruction to control the vacuum degree to be set, the first electromagnetic valve 7 is closed, and the second electromagnetic valve 17 is closed. In the unit time (set) set on the integrated touch screen 8, the normally closed contact of the vacuum meter 6 is not started, the leakage index of the detected instrument is qualified, otherwise, the leakage index is unqualified, and after the integrated touch screen 8 automatically records and stores, the first electromagnetic valve 7 is output to be closed, the second electromagnetic valve 17 is opened, and the negative pressure tank 1 is decompressed.
The rotary switch 24 is in contact with the millivolt meter 16 and outputs a signal to the programmable controller 9; and (3) manually starting the air pump 14, rotating the multi-path air path converter 12 to a first air path, controlling the flow by the float flowmeter 11, and triggering background confirmation on the integrated touch screen 8 by using the millivolt value as background potential after the value of the millivolt meter 16 is stable, and automatically recording and storing on the integrated touch screen 8.
The rotary switch 24 is in contact with the millivolt meter 16 and outputs a signal to the programmable controller 9; and opening the first standard gas cylinder 25, rotating the multi-path gas path converter 12 to a second gas path, controlling the flow by the float flowmeter 11, adjusting the variable resistor 10 until the value of the millivoltmeter 16 is 1/2 of the previous value after the value of the millivoltmeter 16 is stabilized, triggering internal resistance confirmation on the integrated touch screen 8, and automatically recording and storing on the integrated touch screen 8, wherein the millivoltmeter 16 has a stable value.
The rotary switch 24 is in contact with the oxygen transducer 2 and outputs a signal to the programmable controller 9; and opening a first standard gas cylinder 25, rotating the multi-path gas path converter 12 to a second gas path, controlling the flow by the float flowmeter 11, triggering oxygen quantity 1 confirmation on the integrated touch screen 8 after the value of the oxygen quantity transmitter 2 is stable, and automatically recording and storing on the integrated touch screen 8.
The rotary switch 24 is in contact with the oxygen transducer 2 and outputs a signal to the programmable controller 9; and opening a second standard gas cylinder 26, rotating the multi-path gas path converter 12 to a third gas path, controlling the flow by the float flowmeter 11, triggering oxygen amount 2 confirmation on the integrated touch screen 8 after the value of the oxygen amount transmitter 2 is stable, and automatically recording by the detection system.
The rotary switch 24 is in contact with the oxygen transducer 2 and outputs a signal to the programmable controller 9; and opening a third standard gas cylinder 27, rotating the multi-path gas path converter 12 to a fourth gas path, controlling the flow by the float flowmeter 11, triggering oxygen amount 3 confirmation on the integrated touch screen 8 after the value of the oxygen amount transmitter 2 is stable, and automatically recording and storing on the integrated touch screen 8.
The rotary switch 24 is in contact with the oxygen transmitter 2, the air pump 14 is started, the multi-path gas path converter 12 is rotated to a first gas path, the flow is controlled by the float flowmeter 11, and after the value of the oxygen transmitter 2 is stable, the oxygen content 4 is triggered on the integrated touch screen 8 to be confirmed, and an output signal is sent to the programmable controller 9; and opening automatic recording and storing.
After the detection of the detection index is completed, an instruction can be output to the printer 15 through the integrated touch screen 8, and the check value is printed out by using a standard table.
Claims (10)
1. The utility model provides a device suitable for carry out automated inspection to zirconia oxygen analyzer which characterized in that structure as follows: the gas supply system for conveying standard gas is communicated with the detected instrument (23), the vacuum detection system for detecting the vacuum leakage condition is connected with the detected instrument (23), the electric contact vacuum meter (6) of the vacuum detection system is in bidirectional communication connection with the programmable controller (9), the programmable controller (9) is in bidirectional communication connection with the integrated touch screen (8), the millivolt meter (16) for collecting output signals of the detected instrument (23) and the output ends of the transmitters are connected with the input end of the programmable controller (9), and the output end of the programmable controller (9) is connected with the gas supply system and an execution mechanism of the vacuum detection system.
2. The apparatus according to claim 1, wherein the gas supply system comprises: the air pump (14), the first standard gas cylinder (25), the second standard gas cylinder (26) and the third standard gas cylinder (27), wherein the air outlet end of each standard gas cylinder is communicated with the multi-path gas path converter (12), the air outlet end of the multi-path gas path converter (12) is communicated with the detected instrument (23) through a pipeline, and the pipeline is provided with a float flowmeter (11).
3. The apparatus according to claim 1, wherein the vacuum testing system comprises: the negative pressure tank (1) is communicated with the detected instrument (23), the negative pressure tank (1) is provided with a second vacuum electromagnetic valve (17), the vacuum pump (3) is communicated with the negative pressure tank (1) through a gas transmission pipeline, and the gas transmission pipeline is provided with an electric contact vacuum meter (6) and a first vacuum electromagnetic valve (7).
4. The device for automatically detecting the oxygen content of the zirconia according to claim 1, wherein the transmitters comprise an oxygen content transmitter (2), a resistance transmitter (4) and a temperature transmitter (5), and the resistance transmitter (4) and the temperature transmitter (5) are electrically connected with the detected instrument (23).
5. The device for automatically detecting the oxygen content of the zirconia according to claim 4, wherein the detected instrument (23) is electrically connected with a rotary switch (24), and the rotary switch (24) is in contact connection with a millivolt meter (16) or an oxygen transmitter (2).
6. An apparatus for automated zirconia oxygen analyzer according to claim 1 or 4 wherein the millivoltmeter (16) is electrically connected in parallel with the variable resistor (10).
7. The device according to claim 1, wherein the actuator structure of the gas supply system and the vacuum detection system comprises a first vacuum solenoid valve (7), a second vacuum solenoid valve (17), a manual first contactor (21), and a second contactor (22).
8. A device suitable for the automatic detection of a zirconia oxygen analyzer according to claim 7, wherein the air pump (14) is connected to the first power source (19) through the manual first contactor (21), the second contactor (22) is electrically connected to the second power source (20), and the second contactor (22) is electrically connected to the vacuum pump (3); the output end of the programmable controller (9) is connected with the second contactor (22), and the input ends of the first vacuum electromagnetic valve (7) and the second vacuum electromagnetic valve (17) are connected with the output end of the programmable controller (9).
9. The device for automatically detecting the oxygen content of the zirconia according to claim 1, wherein the output end of the integrated touch screen (8) is connected with a printer (15).
10. The apparatus for automated zirconia oxygen analyzer of claim 1, wherein the programmable controller (9) is selected from the group consisting of LE5107L, LE5310; the integrated touch screen (8) adopts Kunlun TPC1071Gt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221639168.3U CN217717683U (en) | 2022-06-29 | 2022-06-29 | Device suitable for carry out automated inspection to zirconia oxygen analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221639168.3U CN217717683U (en) | 2022-06-29 | 2022-06-29 | Device suitable for carry out automated inspection to zirconia oxygen analyzer |
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| Publication Number | Publication Date |
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| CN217717683U true CN217717683U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221639168.3U Active CN217717683U (en) | 2022-06-29 | 2022-06-29 | Device suitable for carry out automated inspection to zirconia oxygen analyzer |
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| CN (1) | CN217717683U (en) |
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- 2022-06-29 CN CN202221639168.3U patent/CN217717683U/en active Active
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