CN109297654B - Production informatization management system of combustible gas intelligent monitor - Google Patents
Production informatization management system of combustible gas intelligent monitor Download PDFInfo
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- CN109297654B CN109297654B CN201811340469.4A CN201811340469A CN109297654B CN 109297654 B CN109297654 B CN 109297654B CN 201811340469 A CN201811340469 A CN 201811340469A CN 109297654 B CN109297654 B CN 109297654B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 189
- 238000012360 testing method Methods 0.000 claims abstract description 84
- 230000035945 sensitivity Effects 0.000 claims abstract description 42
- 230000008054 signal transmission Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 14
- 239000002274 desiccant Substances 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
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Abstract
The invention provides a production informatization management system of an intelligent combustible gas monitor, which comprises the following components: the system comprises a combustible gas intelligent monitor, a detection clamp, a test gas supply device and a production statistical module; combustible gas intelligent monitoring appearance includes: the device comprises a shell, an air pump, a circuit board and a combustible gas detection sensor; the detection clamp comprises: the cover body is movably arranged on the box body and used for sealing the box body; the production statistics module comprises: the system comprises a sensitivity detection unit, a first air tightness detection unit, a signal transmission unit and a remote server. According to the invention, the position of the intelligent combustible gas monitor can be independently tested through the sensitivity detection unit, the first air tightness detection unit and the like, and then the detection results of the sensitivity detection unit, the first air tightness detection unit and the like are arranged and sent through the signal transmission unit, so that the production information of each intelligent combustible gas monitor is stored in the remote server, and the production information is convenient to manage and trace.
Description
Technical Field
The invention relates to production information management, in particular to a production informatization management system of an intelligent combustible gas monitor.
Background
In the prior art, the combustible gas intelligent monitor is very widely applied, so the production requirement is large. At present, in the production process of the intelligent combustible gas monitor, a single part is detected in each production step. After the parts are assembled, the whole combustible gas intelligent monitor is detected imperfectly, so that the quality of a finished product is difficult to master and trace, and potential safety hazards exist in the use process.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a production informatization management system of an intelligent combustible gas monitor, which can solve the problems in the prior art.
The invention provides a production informatization management system of an intelligent combustible gas monitor, which comprises the following components: the system comprises a combustible gas intelligent monitor, a detection clamp, a test gas supply device and a production statistical module;
combustible gas intelligent monitoring appearance includes: the gas pump, the circuit board and the combustible gas detection sensor are all arranged in the shell, and the circuit board is connected with the combustible gas detection sensor for supplying power;
the shell is provided with an air inlet and an air outlet, the air inlet of the combustible gas detection sensor is communicated with the air inlet to form an air inlet channel, and the air outlet of the combustible gas detection sensor is communicated with the air outlet to form an air outlet channel; the air pump is arranged on the air inlet flow passage or the air outlet flow passage;
the detection clamp comprises: the cover body is movably arranged on the box body and used for sealing the box body; the box body is provided with a first pair of interfaces, a second pair of interfaces, an air inlet connecting pipe and an air outlet connecting pipe, and a first pipeline and a second pipeline are respectively arranged at the first pair of interfaces and the second pair of interfaces; the box body is used for fixing the intelligent combustible gas monitor, the intelligent combustible gas monitor is arranged in the box body, the first pair of interfaces are communicated with the air inlet of the shell, the second pair of interfaces are communicated with the air outlet of the shell, the shell and the box body are connected, the first pair of interfaces are provided with first sealing rings in sealing connection with the shell, and the second pair of interfaces are provided with second sealing rings in sealing connection with the shell;
the test gas supply device is respectively connected with the first pipeline and the gas inlet connecting pipe through a preset first valve and a preset second valve;
the production statistics module comprises: the system comprises a sensitivity detection unit, a first air tightness detection unit, a signal transmission unit and a remote server;
the sensitivity detection unit is respectively connected with the combustible gas detection sensor and the test gas supply device and is used for acquiring a sensitivity measurement value through a detection value of the combustible gas detection sensor and an actual value of combustible gas content provided by the test gas supply device in the process that the test gas supply device supplies gas to the first pipeline;
the first pipeline is internally provided with a first air pressure sensor, and the first air tightness detection unit is respectively connected with the first air pressure sensor and the test gas supply device and is used for judging whether the combustible gas detection sensor leaks gas or not through the output gas capacity of the test gas supply device and the detection value of the first air pressure sensor in the process that the test gas supply device supplies gas to the first pipeline;
the signal transmission unit is respectively connected with the sensitivity detection unit, the first air tightness detection unit and the remote server, and is used for collecting the sensitivity measurement value output by the sensitivity detection unit and the air leakage judgment result output by the first air tightness detection unit to generate a single product detection report and sending the single product detection report to the remote server.
Preferably, the sensitivity detection unit is configured to calculate a sensitivity metric according to a preset sensitivity calculation model, where the sensitivity calculation model is: the value of the sensitivity metric is | detection value-actual value |/actual value.
Preferably, the method for judging whether the combustible gas detection sensor leaks gas by the first air tightness detection unit comprises the following steps: the first air tightness detection unit is used for acquiring the ratio of the output gas capacity of the test gas supply device to the detection value of the first air pressure sensor at a first time node as a first volume, and acquiring the ratio of the output gas capacity of the test gas supply device to the detection value of the first air pressure sensor at a second time node as a second volume; then judging whether the combustible gas detection sensor leaks gas or not according to the difference value of the first volume and the second volume; the difference value between the first time node and the second time node is a preset value.
Preferably, the production statistics module further comprises a second air tightness detection unit, and a second air pressure sensor is installed inside the box body; the second air tightness detection unit is respectively connected with the second air pressure sensor and the test gas supply device and used for judging the air tightness degree of the box body through the comparison result of the output gas capacity of the test gas supply device and the detection value of the second air pressure sensor in the process that the test gas supply device supplies gas into the sealed box body through the gas inlet connecting pipe; the signal transmission unit is also connected with the second air tightness detection unit and used for recording the air tightness degree judgment result into the single product detection report.
Preferably, the method for judging the airtightness of the casing comprises: the second air tightness detection unit is used for acquiring the ratio of the output gas capacity of the test gas supply device to the detection value of the second air pressure sensor at a first time node as the first volume of the box body, and acquiring the ratio of the output gas capacity of the test gas supply device to the detection value of the second air pressure sensor at a second time node as the second volume of the box body; then judging whether the shell leaks air according to the difference value between the first volume of the box body and the second volume of the box body; the difference value between the first time node and the second time node is a preset value.
Preferably, a drying box is further installed in the shell, the drying box is located on the air inlet flow channel, and a drying agent is filled in the drying box.
Preferably, the production statistical module further comprises a dryness detection unit, and a humidity sensor is installed in the second pipeline; the dryness detection unit is respectively connected with the humidity detection unit and the test gas supply device and is used for acquiring the dryness of the drying agent in the drying box through a comparison result of an initial humidity value output by the test gas supply device and a detection value of the humidity sensor in the process that the test gas supply device supplies gas to the first pipeline; the signal transmission unit is also connected with the dryness detection unit and is used for recording the dryness detection result into the single product detection report.
Preferably, a humidity threshold is preset in the dryness detection unit, the humidity threshold is a positive number, and the dryness detection unit is configured to subtract an acquisition judgment value of a detection value of the humidity sensor from the initial humidity value, and is configured to judge whether the desiccant is qualified according to a comparison result between the judgment value and the humidity threshold.
Preferably, the dryness detection unit is configured to determine that the drying agent is qualified when the determination value is greater than the humidity threshold.
Preferably, the exhaust connecting pipe is communicated with the test gas supply device, and an exhaust pump is arranged between the exhaust connecting pipe and the test gas supply device.
When the intelligent combustible gas monitor is detected, the intelligent combustible gas monitor is installed in the box body and then the box body is sealed through the cover body, so that the gas access of the combustible gas detection sensor can be realized through the first pipeline and the second pipeline to test the tightness of the combustible gas detection sensor, and the gas can be supplied into the box body through the gas inlet connecting pipe to test the tightness of the shell.
Therefore, in the invention, the detection clamp is arranged, so that the detection clamp can be pre-connected with the test gas supply device and the production statistical module in the test process, and then the intelligent combustible gas monitor in the detection clamp is replaced for detection. Therefore, frequent disconnection and connection in the detection process are avoided, the detection efficiency is improved, and the operation difficulty is reduced.
According to the invention, the position of the intelligent combustible gas monitor can be independently tested through the sensitivity detection unit, the first air tightness detection unit and the like, and then the detection results of the sensitivity detection unit, the first air tightness detection unit and the like are arranged and sent through the signal transmission unit, so that the production information of each intelligent combustible gas monitor is stored in the remote server, and the production information is convenient to manage and trace.
Drawings
FIG. 1 is a structural diagram of a production information management system of an intelligent combustible gas monitor according to the present invention;
FIG. 2 is a block diagram of an intelligent production information management system of a combustible gas monitor according to the present invention.
The figure is as follows: the device comprises a shell 1, an air pump 2, a circuit board 3, a combustible gas detection sensor 4, a box body 5, a cover body 6, a first pipeline 7, a second pipeline 8, an air inlet connecting pipe 9, an exhaust connecting pipe 10, a first sealing ring 11, a second sealing ring 12, an air supply device 13, a first valve 14, a second valve 15, a drying box 16 and an exhaust pump 17.
Detailed Description
As shown in fig. 1, the invention provides a production information management system of an intelligent combustible gas monitor, comprising: combustible gas intelligent monitoring appearance, detection anchor clamps, test gas air feeder and production statistics module.
Combustible gas intelligent monitoring appearance includes: casing 1, air pump 2, circuit board 3 and combustible gas detect sensor 4, and air pump 2, circuit board 3 and combustible gas detect sensor 4 and all install in casing 1, and circuit board 3 is connected with combustible gas detect sensor 4 and is used for the power supply. In this embodiment, through 1 cladding air pump 2 of casing, circuit board 3 and combustible gas detection sensor 4, realized avoiding dust pollution and steam corrosion to air pump 2, circuit board 3 and combustible gas detection sensor 4's protection to air pump 2, circuit board 3 and combustible gas detection sensor 4 relative structure's stability has been guaranteed.
An air inlet and an air outlet are arranged on the shell 1, an air inlet of the combustible gas detection sensor 4 is communicated with the air inlet to form an air inlet flow passage, and an air outlet of the combustible gas detection sensor 4 is communicated with the air outlet to form an air outlet flow passage. The air pump 2 is installed on the inlet flow passage or the outlet flow passage. So, 2 work backs of air pump, wait to detect gaseous combustible gas and get into combustible gas detection sensor 4 and flow through the runner of giving vent to anger through the inlet flow way runner to but combustible gas detection sensor 4 detects the combustible gas content in waiting to detect gaseous.
The detection clamp comprises: box body 5 and lid 6, lid 6 movable mounting is used for sealed box body 5 on the box body 5. The box body 5 is provided with a first pair of interfaces, a second pair of interfaces, an air inlet connecting pipe 9 and an air exhaust connecting pipe 10, and the first pair of interfaces and the second pair of interfaces are respectively provided with a first pipeline 7 and a second pipeline 8. The box body 5 is used for fixing the intelligent combustible gas monitor, and under the state that the intelligent combustible gas monitor is installed in the box body 5, the first pair of interfaces communicates the air inlet of the casing 1, and the second pair of interfaces communicates the air outlet of the casing 1, and casing 1 and box body 5, the first sealing washer 11 with 1 sealing connection of casing is installed to the first pair of interfaces, and the second sealing washer 12 with 1 sealing connection of casing is installed to the second pair of interfaces. So, in this embodiment, when examining combustible gas intelligent monitoring appearance, install combustible gas intelligent monitoring appearance in box 5 back through lid 6 sealed box 5, alright realize that combustible gas detects sensor 4's gas access through first pipeline 7 and second pipeline 8 and carry out combustible gas and detect sensor 4's leakproofness test to accessible air inlet connecting pipe 9 is to the leakproofness of testing casing 1 of air feed in 5 to the box. In this embodiment, through setting up the detection anchor clamps for can be with detecting anchor clamps and test gas air feeder and production statistics module pre-connection in the testing process, then detect through the combustible gas intelligent monitoring appearance of changing in the detection anchor clamps. Therefore, frequent disconnection and connection in the detection process are avoided, the detection efficiency is improved, and the operation difficulty is reduced.
The test gas supply device 13 is connected to the first pipe 7 and the inlet connection pipe 9 through a first valve 14 and a second valve 15, respectively, which are preset. Thus, the test gas supply device 13 can supply gas into the combustible gas detection sensor 4 through the first pipeline 7 to test the gas tightness of the combustible gas detection sensor 4, and can also supply gas into the box body 5 through the gas inlet connecting pipe 9 to test the gas tightness of the shell 1.
The production statistics module comprises: the system comprises a sensitivity detection unit, a first air tightness detection unit, a signal transmission unit and a remote server.
The sensitivity detection unit is respectively connected with the combustible gas detection sensor 4 and the test gas supply device 13 and is used for acquiring a sensitivity measurement value through a detection value of the combustible gas detection sensor 4 and an actual value of combustible gas content provided by the test gas supply device 13 in the process that the test gas supply device 13 supplies gas to the first pipeline 7. Specifically, in this embodiment, the test gas in the test gas supply device 13 may be a gas for determining the content of the combustible gas, so that the content of the combustible gas is transmitted to the sensitivity detection unit through a digital unit preset on the test gas supply device 13; the combustible gas content in the output gas can also be detected in real time by a preset gas sensor in the test gas supply device 13 and transmitted to the sensitivity detection unit.
Specifically, in this embodiment, the sensitivity detection unit is configured to calculate a sensitivity metric according to a preset sensitivity calculation model, where the sensitivity calculation model is: the value of the sensitivity metric is | detection value-actual value |/actual value. Wherein, the detected value is the detected value of the combustible gas detection sensor 4, and the actual value is the combustible gas content actual value provided by the test gas supply device 13.
Install first air pressure sensor in the first pipeline 7, first gas tightness detecting element connects first air pressure sensor and test gas air feeder 13 respectively for in test gas air feeder 13 to the gas supply process of first pipeline 7, judge whether gas leakage of combustible gas detection sensor 4 through test gas air feeder 13 output gas capacity and first air pressure sensor detected value. Specifically, in the present embodiment, the volume of the flow channel in which the combustible gas detection sensor 4 is located is a fixed value, and in a state where the flow channel is not gas-tight, the ratio of the output gas volume of the test gas supply device 13 to the detection value of the first gas pressure sensor is a fixed value; in the leakage state of the flow channel, the ratio of the output gas capacity of the test gas supply device 13 to the detection value of the first pressure sensor is a variable value. Therefore, in this embodiment, the method for determining whether the combustible gas detection sensor leaks gas by the first air tightness detecting unit includes: the first air-tightness detection unit is used for acquiring the ratio of the output gas capacity of the test gas supply device 13 to the detection value of the first pressure sensor at a first time node as a first volume, and acquiring the ratio of the output gas capacity of the test gas supply device 13 to the detection value of the first pressure sensor at a second time node as a second volume. And then judging whether the combustible gas detection sensor leaks gas according to the difference value of the first volume and the second volume. The difference value between the first time node and the second time node is a preset value. Specifically, when the difference value between the first volume and the second volume is larger than a preset threshold value, the gas leakage of the combustible gas detection sensor is judged.
The signal transmission unit is respectively connected with the sensitivity detection unit, the first air tightness detection unit and the remote server, and is used for collecting the sensitivity measurement value output by the sensitivity detection unit and the air leakage judgment result output by the first air tightness detection unit to generate a single product detection report and sending the single product detection report to the remote server. Therefore, in the embodiment, the detection results of the sensitivity detection unit and the first air tightness detection unit are arranged and sent through the signal transmission unit, so that the production information of each intelligent combustible gas monitor is stored in the remote server, and the production information is conveniently managed and traced.
In this embodiment, the production statistics module further includes a second air tightness detection unit, and a second air pressure sensor is installed inside the box body 5. The second air tightness detection unit is respectively connected with the second air pressure sensor and the test gas supply device 13 and used for judging the air tightness degree of the box body 5 through the comparison result of the output gas capacity of the test gas supply device 13 and the detection value of the second air pressure sensor in the process that the test gas supply device 13 supplies gas into the sealed box body 5 through the gas inlet connecting pipe 9. The signal transmission unit is also connected with the second air tightness detection unit and used for recording the air tightness degree judgment result into the single product detection report. The same working principle as the first air tightness detecting unit, in this embodiment, the volume of the casing 1 is a fixed value, the volume of the box 5 is also a fixed value, and the ratio of the output gas volume of the test gas supply device 13 to the detection value of the second air pressure sensor is a fixed value in the air-tight state of the casing 1; under the container state of the shell 1, the flow rate of the gas in the box body 5 leaking into the shell 1 is in direct proportion to the air pressure in the box body 5, and at the moment, the ratio of the output gas capacity of the test gas supply device 13 to the detection value of the second air pressure sensor is a variable value. Therefore, in the present embodiment, the method for determining the airtightness of the casing 1 includes: the second air tightness detection unit is used for acquiring the ratio of the output gas capacity of the test gas supply device 13 to the detection value of the second air pressure sensor at a first time node as the first volume of the box body, and acquiring the ratio of the output gas capacity of the test gas supply device 13 to the detection value of the second air pressure sensor at a second time node as the second volume of the box body. And then whether the shell 1 leaks air or not is judged according to the difference value between the first volume of the box body and the second volume of the box body. The difference value between the first time node and the second time node is a preset value. Specifically, when the difference between the first volume of the box body and the second volume of the box body is greater than a preset threshold value, the air leakage of the shell is judged.
In the present embodiment, a drying box 16 is further installed in the housing 1, the drying box 16 is located on the intake flow path, and a drying agent is filled in the drying box 16. So, through dry box 16, can carry out drying process to the gas that gets into combustible gas detection sensor 4, avoid gaseous humidity to influence the combustible gas testing result.
In this embodiment, the production statistics module further includes a dryness detection unit, and a humidity sensor is installed in the second pipeline 8. The dryness detection unit is respectively connected with the humidity detection unit and the test gas supply device 13, and is used for acquiring the dryness of the drying agent in the drying box 16 through a comparison result of an initial humidity value output by the test gas supply device 13 and a detection value of the humidity sensor in the process that the test gas supply device 13 supplies gas to the first pipeline 7. The signal transmission unit is also connected with the dryness detection unit and is used for recording the dryness detection result into the single product detection report.
Specifically, in the present embodiment, a humidity threshold is preset in the dryness detection unit, the humidity threshold is a positive number, the dryness detection unit is configured to subtract an acquisition judgment value of a detection value of the humidity sensor from an initial humidity value, and the dryness detection unit is configured to judge that the desiccant is qualified when the judgment value is greater than the humidity threshold. Therefore, the dryness detection unit is used for judging whether the drying agent is qualified or not according to the comparison result of the judgment value and the humidity threshold value, so that the validity detection of the drying agent in the intelligent combustible gas monitor is realized, and the comprehensive monitoring on the production state of the intelligent combustible gas monitor is ensured.
In this embodiment, when the sensitivity detecting unit, the first air-tightness detecting unit, or the dryness detecting unit operates, the first valve 14 is opened and the second valve 15 is closed; and, when the first air-tightness detecting unit operates, the second duct 8 is blocked. When the second airtightness detecting unit operates, the first valve 14 is closed, the second valve 15 is opened, and the exhaust connection pipe 10 is blocked. In the present embodiment, the exhaust connection pipe 10 communicates with the test gas supply device 13, and an exhaust pump 17 is provided between the exhaust connection pipe 10 and the test gas supply device 13. When the second airtightness detection unit is finished operating, the test gas in the cassette 5 can be returned to the test gas supply device 13 by the exhaust pump 17 and recycled.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a combustible gas intelligent monitoring appearance production informatization management system which characterized in that includes: the system comprises a combustible gas intelligent monitor, a detection clamp, a test gas supply device and a production statistical module;
combustible gas intelligent monitoring appearance includes: the gas pump (2), the circuit board (3) and the combustible gas detection sensor (4) are all installed in the shell (1), and the circuit board (3) is connected with the combustible gas detection sensor (4) for power supply;
an air inlet and an air outlet are arranged on the shell (1), an air inlet of the combustible gas detection sensor (4) is communicated with the air inlet to form an air inlet flow passage, and an air outlet of the combustible gas detection sensor (4) is communicated with the air outlet to form an air outlet flow passage; the air pump (2) is arranged on the air inlet flow passage or the air outlet flow passage;
the detection clamp comprises: the box body (5) and the cover body (6), wherein the cover body (6) is movably arranged on the box body (5) and used for sealing the box body (5); a first pair of interfaces, a second pair of interfaces, an air inlet connecting pipe (9) and an air outlet connecting pipe (10) are arranged on the box body (5), and a first pipeline (7) and a second pipeline (8) are respectively arranged at the first pair of interfaces and the second pair of interfaces; the box body (5) is used for fixing the intelligent combustible gas monitor, the intelligent combustible gas monitor is arranged in the box body (5), a first pair of interfaces is communicated with the air inlet of the shell (1), a second pair of interfaces is communicated with the air outlet of the shell (1), a first sealing ring (11) which is hermetically connected with the shell (1) is arranged at the first pair of interfaces, and a second sealing ring (12) which is hermetically connected with the shell (1) is arranged at the second pair of interfaces;
the test gas supply device (13) is respectively connected with the first pipeline (7) and the gas inlet connecting pipe (9) through a preset first valve (14) and a preset second valve (15);
the production statistics module comprises: the system comprises a sensitivity detection unit, a first air tightness detection unit, a signal transmission unit and a remote server;
the sensitivity detection unit is respectively connected with the combustible gas detection sensor (4) and the test gas supply device (13) and is used for acquiring a sensitivity measurement value through a detection value of the combustible gas detection sensor (4) and an actual combustible gas content value provided by the test gas supply device (13) in the process that the test gas supply device (13) supplies gas to the first pipeline (7);
a first air pressure sensor is installed in the first pipeline (7), and a first air tightness detection unit is respectively connected with the first air pressure sensor and the test gas supply device (13) and used for judging whether the combustible gas detection sensor (4) leaks air or not through the output gas capacity of the test gas supply device (13) and the detection value of the first air pressure sensor in the process that the test gas supply device (13) supplies gas to the first pipeline (7);
the signal transmission unit is respectively connected with the sensitivity detection unit, the first air tightness detection unit and the remote server, and is used for collecting the sensitivity measurement value output by the sensitivity detection unit and the air leakage judgment result output by the first air tightness detection unit to generate a single product detection report and sending the single product detection report to the remote server.
2. The production informatization management system of a combustible gas intelligent monitor according to claim 1, characterized in that the sensitivity detection unit is used for calculating a sensitivity metric value according to a preset sensitivity calculation model, and the sensitivity calculation model is as follows: the value of the sensitivity metric is | detection value-actual value |/actual value.
3. The production informatization management system of a combustible gas intelligent monitor according to claim 1, wherein the method for judging whether the combustible gas detection sensor leaks gas by the first air tightness detection unit is as follows: the first air tightness detection unit is used for acquiring the ratio of the output air volume of the test air supply device (13) to the detection value of the first air pressure sensor at a first time node as a first volume, and acquiring the ratio of the output air volume of the test air supply device (13) to the detection value of the first air pressure sensor at a second time node as a second volume; then judging whether the combustible gas detection sensor leaks gas or not according to the difference value of the first volume and the second volume; the difference value between the first time node and the second time node is a preset value.
4. The production informatization management system of the intelligent combustible gas monitor according to claim 1, wherein the production statistical module further comprises a second air tightness detection unit, and a second air pressure sensor is installed inside the box body (5); the second air tightness detection unit is respectively connected with the second air pressure sensor and the test gas supply device (13) and is used for judging the air tightness degree of the box body (5) through the comparison result of the output gas capacity of the test gas supply device (13) and the detection value of the second air pressure sensor in the process that the test gas supply device (13) supplies gas into the sealed box body (5) through the gas inlet connecting pipe (9); the signal transmission unit is also connected with the second air tightness detection unit and used for recording the air tightness degree judgment result into the single product detection report.
5. The production informatization management system of the intelligent combustible gas monitor according to claim 4, characterized in that the judgment method of the airtightness degree of the shell (1) is as follows: the second air tightness detection unit is used for acquiring the ratio of the output gas capacity of the test gas supply device (13) to the detection value of the second air pressure sensor at a first time node as the first volume of the box body, and acquiring the ratio of the output gas capacity of the test gas supply device (13) to the detection value of the second air pressure sensor at a second time node as the second volume of the box body; then judging whether the shell (1) leaks air according to the difference value between the first volume of the box body and the second volume of the box body; the difference value between the first time node and the second time node is a preset value.
6. The production informatization management system of the combustible gas intelligent monitor according to claim 1, characterized in that a drying box (16) is further installed in the housing (1), the drying box (16) is located on an air inlet flow channel, and a drying agent is filled in the drying box (16).
7. The production informatization management system of the intelligent combustible gas monitor according to claim 6, wherein the production statistical module further comprises a dryness detection unit, and a humidity sensor is installed in the second pipeline (8); the dryness detection unit is respectively connected with the humidity sensor and the test gas supply device (13) and is used for acquiring the dryness of the drying agent in the drying box (16) through a comparison result of an initial humidity value output by the test gas supply device (13) and a detection value of the humidity sensor in the process that the test gas supply device (13) supplies gas to the first pipeline (7); the signal transmission unit is also connected with the dryness detection unit and is used for recording the dryness detection result into the single product detection report.
8. The production informatization management system of a combustible gas intelligent monitor according to claim 7, wherein a humidity threshold is preset in the dryness detection unit, the humidity threshold is a positive number, and the dryness detection unit is used for subtracting an obtained judgment value of a detection value of a humidity sensor from an initial humidity value, and is used for judging whether the desiccant is qualified according to a comparison result of the judgment value and the humidity threshold.
9. The production informatization management system of a combustible gas intelligent monitor according to claim 8, wherein the dryness detection unit is used for judging that the drying agent is qualified when the judgment value is greater than the humidity threshold value.
10. The production informatization management system of the combustible gas intelligent monitor according to claim 1, characterized in that an exhaust connecting pipe (10) is communicated with a test gas supply device (13), and an exhaust pump (17) is arranged between the exhaust connecting pipe (10) and the test gas supply device (13).
Priority Applications (1)
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| CN100585359C (en) * | 2008-05-07 | 2010-01-27 | 常州市科信燃气设备有限公司 | Gas pressure regulator test device |
| CN103674447A (en) * | 2012-08-31 | 2014-03-26 | 宝山钢铁股份有限公司 | Online valve leakage testing device and method for combustible gas pipeline |
| CN202869615U (en) * | 2012-11-04 | 2013-04-10 | 乌海市产品质量计量检测所 | Device for calibrating gas tightness of gas meters |
| CN203643112U (en) * | 2013-12-13 | 2014-06-11 | 北京市燃气集团有限责任公司 | Sealing detection device for gas pipeline |
| CN205943026U (en) * | 2016-08-30 | 2017-02-08 | 山东智慧燃气物联网技术有限公司 | Intelligence gas detector |
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