CN110987077A - Automatic test system and method for oxygen generator - Google Patents
Automatic test system and method for oxygen generator Download PDFInfo
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- CN110987077A CN110987077A CN201911310002.XA CN201911310002A CN110987077A CN 110987077 A CN110987077 A CN 110987077A CN 201911310002 A CN201911310002 A CN 201911310002A CN 110987077 A CN110987077 A CN 110987077A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
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Abstract
The invention discloses an automatic testing system and method for an oxygen generator, and relates to the technical field of oxygen generator testing. Including host computer, the switch board, detect cabinet and a plurality of pipeline, the host computer is connected with the switch board communication, the switch board includes main control unit, main control unit is connected with the detection cabinet electricity, it includes detection device and a plurality of electromagnetism valves that converge to detect the cabinet, every electromagnetism valves that converges includes a plurality of solenoid valve, every electromagnetism valves that converges corresponds a plurality of different pipelines, every electromagnetism valves that converges respectively with a plurality of tube coupling that correspond, detection device converges respectively through a plurality of electromagnetism valves that converges with a plurality of pipeline intercommunication. The plurality of oxygen generators share one set of test sensor through the plurality of confluence electromagnetic valve groups, so that the test speed is high, the test efficiency is high, the possibility of errors in manual recording is eliminated, and the possibility of asynchronous calibration parameters of multi-channel sensors and measurement errors among test data is eliminated.
Description
Technical Field
The invention relates to the technical field of oxygenerator testing, in particular to an automatic testing system and method for an oxygenerator.
Background
With the continuous improvement and improvement of living standard of people and the gradual enhancement of health requirement, the oxygen generator gradually becomes an important means in family and community rehabilitation. According to the manufacturing characteristics of the oxygen generator industry, the oxygen concentration, flow and pressure of each device need to be adjusted before the oxygen generator leaves a factory, so that each oxygen generator reaches the factory acceptance standard. However, the traditional testing and adjusting mode is that the parameters of a single oxygen generator are manually collected and recorded by using an instrument, the automation and informatization degrees are low, and certain human errors can be generated. Therefore, it is necessary to develop an automatic testing system of an oxygen generator, which is highly automated, informationized and flexible.
Chinese utility model "a detector of oxygenerator components" that publication number is CN206258357U provides a detector of oxygenerator components, including one or more combined test platform, be equipped with compressor bumper shock absorber assembly and circuit control system in the combined test platform, be equipped with power socket, operation display panel, first flowmeter post, manometer and oxygen air-inlet connector, compressor air-outlet connector on the combined test platform, be equipped with oxygen concentration display window, check-out time display window, second flowmeter post on the operation display panel, circuit control system includes operation display panel and mainboard controller. Adopt above-mentioned detector to detect oxygenerator components and parts, its beneficial effect is: the detection result is reliable, a plurality of oxygenerator components can be detected simultaneously, and the work efficiency is high.
The chinese utility model discloses a chinese utility model "a compressor detection device of oxygenerator" that publication number is CN206397715U provides a compressor detection device of oxygenerator, including compressor, transformer, flowmeter post, pressure regulating valve and testboard, the testboard includes manometer, voltmeter, ampere meter, switch, compressor socket and compressor electric capacity socket, the compressor includes air inlet connector and the joint of giving vent to anger, the air inlet connector of the joint of giving vent to anger and testboard of compressor passes through first silicone tube and is connected, the joint of giving vent to anger of testboard with the flowmeter post passes through second silicone tube and connects, be equipped with on the second silicone tube pressure regulating valve, the transformer with the testboard passes through cable conductor connection. Adopt above-mentioned detector to detect oxygenerator components and parts, its beneficial effect is: the detection result is reliable, the detection is convenient, and the starting performance, the tightness, the volume flow Q value, the air outlet pressure, the air outlet flow and the like of the compressor can be detected simultaneously.
The two patents can realize the detection of certain part of components in a single oxygen generator, have good detection effect, but cannot realize the simultaneous detection of multiple parameters of multiple oxygen generators.
Disclosure of Invention
The invention aims to provide an automatic oxygen generator testing system and method capable of testing a plurality of oxygen generators simultaneously.
In order to solve the problems, the technical scheme of the invention is as follows:
the utility model provides an oxygenerator automatic test system, includes host computer, switch board, detects cabinet and a plurality of pipeline, the host computer with the switch board communication is connected, the switch board includes main control unit, main control unit with it connects to detect the cabinet electricity, it includes detection device and a plurality of electromagnetism valves that converges, every it includes a plurality of solenoid valve, every to converge electromagnetism valves and correspond a plurality of differences the pipeline, every converge electromagnetism valves respectively with a plurality of correspondence the tube coupling, detection device passes through a plurality of converge electromagnetism valves respectively with a plurality of the pipeline intercommunication.
Furthermore, the confluence solenoid valve group comprises a valve seat, a plurality of solenoid valves are fixedly connected to the upper surface of the valve seat, each solenoid valve corresponds to one pipeline, each solenoid valve is communicated with the corresponding pipeline, and each solenoid valve is communicated with the detection device.
Furthermore, a plurality of air inlets are arranged on the side wall of the valve seat, each air inlet corresponds to one electromagnetic valve, each air inlet is communicated with one electromagnetic valve, each air inlet corresponds to one pipeline, and each air inlet is connected with one pipeline.
Furthermore, the side wall of the valve seat is provided with a plurality of exhaust holes, each exhaust hole corresponds to one electromagnetic valve, and each exhaust hole is communicated with one electromagnetic valve.
Further, the valve seat side wall is provided with air outlet holes, each electromagnetic valve is communicated with the air outlet holes, and the air outlet holes are communicated with the detection device.
Furthermore, an air outlet pipeline is further arranged, the air outlet holes are connected with the air outlet pipeline, and the air outlet pipeline is connected with the detection device.
Further, the detection device comprises a flow electromagnetic valve and a pressure electromagnetic valve, the air outlet pipeline is connected with the flow electromagnetic valve, and the air outlet pipeline is connected with the pressure electromagnetic valve.
Further, the detection device further comprises a flow sensor and an oxygen concentration sensor, the flow electromagnetic valve is communicated with the flow sensor through a flow pipeline, and the flow sensor is communicated with the oxygen concentration sensor through an oxygen concentration pipeline.
Further, the detection device further comprises a pressure sensor, and the pressure solenoid valve is communicated with the pressure sensor through a pressure pipeline.
An automatic test method of an oxygen generator comprises the following steps:
s1, placing a plurality of oxygenerators with different models on a plurality of stations, and connecting an oxygen outlet of the oxygenerator on each station with a pipeline on each station;
s2, scanning an identification code on the oxygen making machine body, and transmitting the station and model information of the oxygen making machine to an upper computer;
s3, starting the oxygen generator, starting the oxygen generation of the oxygen generator, controlling the first electromagnetic valve to be opened by the main controller, then opening the flow electromagnetic valve, closing the flow electromagnetic valve, then opening the pressure electromagnetic valve, closing the pressure electromagnetic valve, then closing the electromagnetic valve, and then opening the next electromagnetic valve, and circulating the steps until the last electromagnetic valve is opened and then closed;
s4, repeating the step S3 for a plurality of times;
and S5, transmitting the flow, pressure and oxygen concentration data obtained by each measurement of each oxygen generator to an upper computer, comparing the data detected each time with preset data corresponding to the type of the oxygen generator by software in the upper computer, and displaying abnormal data.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention is provided with a plurality of confluence electromagnetic valve groups, and can test a plurality of oxygenerators simultaneously;
2. the multiple oxygen generators share one set of test sensor, so that the resource utilization rate is high, and the cost is lower;
3. compared with the traditional method that the test records are manually tested one by one through instruments, the method has the advantages of high test speed and high test efficiency, and the possibility of manual record errors is eliminated;
4. the multiple oxygen generators share one set of test sensor, so that the possibility that the calibration parameters of the multiple sensors are asynchronous and the measurement errors exist among test data is eliminated;
5. the flexible test design is adopted, the machine type identification is carried out on the oxygenerator, the oxygenerators with different models can be tested simultaneously, and the test working hour is saved;
6. the invention can repeat the test for several times, to confirm the reliability of the test result.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the topology of the system of the present invention;
FIG. 2 is a schematic view of a converging solenoid valve set according to the present invention;
FIG. 3 is a left side view of the valve seat of the present invention;
FIG. 4 is a schematic top view of a valve seat according to the present invention;
FIG. 5 is a pictorial illustration of the front view of the valve seat of the present invention;
FIG. 6 is a schematic sectional view taken along line A-A in FIG. 4;
FIG. 7 is a diagrammatic elevational view of the solenoid valve of the present invention;
FIG. 8 is a schematic bottom view of a solenoid valve of the present invention;
wherein, 1 is an electromagnetic valve; 2 is a valve seat; 3 is an air inlet; 4 is an exhaust hole; and 5, an air outlet.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the invention easy to understand, the invention is further described with reference to the specific drawings.
Example (b):
as shown in fig. 1-8, an automatic testing system for an oxygen generator comprises a plurality of stations, an upper computer, a control cabinet, a detection cabinet and a plurality of pipelines.
The upper computer comprises a display screen and control software.
The control cabinet comprises a main controller and an industrial Ethernet module, the main controller is in communication connection with the upper computer through the industrial Ethernet module, and further, the connection mode is electric connection. The main controller is electrically connected with the detection cabinet, and data detected in the control cabinet are transmitted to the main controller.
The upper part of each station is an iron crossbeam, iron supporting rods are uniformly and fixedly arranged on the lower end face of each crossbeam, the supporting rods are vertically arranged, a plurality of stations are formed among the supporting rods, and one station is used for testing one oxygen generator. A plurality of adjacent stations share a tool table, the tool seat is provided with a plurality of tool tables, the tool tables are used for placing a plurality of oxygenerators, and patch boards are installed on the supporting rods and used for supplying power to the oxygenerators. The inside hollow structure that is of crossbeam, crossbeam lower extreme face evenly is provided with the through-hole, and a through-hole corresponds a station. One end of the pipeline extends out of the through hole and is used for being connected with a deoxidizing port of the oxygen generator, and the other end of the pipeline extends out of a pipeline port of the cross beam, which is close to the detection cabinet, and is connected into the detection cabinet.
Furthermore, two parallel cross beams are arranged, 20 stations, 20 pipelines and 6 tooling tables are used in total, and 20 oxygen generators can be tested simultaneously. Technicians can adjust the number of the cross beams, the pipelines, the stations and the like according to actual needs.
The detection cabinet comprises a detection device and a plurality of confluence electromagnetic valve groups, each confluence electromagnetic valve group comprises a plurality of electromagnetic valves 1, each confluence electromagnetic valve group corresponds to a plurality of different pipelines, each confluence electromagnetic valve group corresponds to a plurality of pipelines, each confluence electromagnetic valve group is connected with the pipelines, and the detection device is respectively communicated with the pipelines through the confluence electromagnetic valve groups.
Further, be provided with 2 solenoid valve groups that converge, every solenoid valve group that converges includes 10 solenoid valves 1, and every solenoid valve group that converges corresponds 10 different pipelines, every solenoid valve group that converges respectively with 10 correspond the tube coupling, detection device communicates with 20 pipelines respectively through 2 solenoid valve groups that converge. Technicians can adjust the number of the confluence solenoid valve group and the solenoid valves 1 according to actual needs.
The confluence solenoid valve group comprises a valve seat 2, and the valve seat 2 is cuboid. A plurality of solenoid valves 1 are fixedly connected to the upper surface of the valve seat 2, each solenoid valve 1 corresponds to one pipeline, each solenoid valve 1 is communicated with the corresponding pipeline, and each solenoid valve 1 is communicated with the detection device. The solenoid valves 1 are sequentially arranged at the center of the upper surface of the valve seat 2 in a direction parallel to the length of the valve seat 2, and are fixedly connected to the valve seat 2 by bolts.
The side wall of the valve seat 2 is provided with a plurality of air inlets 3, the air inlets 3 are arranged at the lower part of the side wall of the valve seat 2, and the air inlets 3 are uniformly arranged along a horizontal straight line. Each air inlet 3 extends into the valve seat 2 along the direction vertical to the side wall of the valve seat 2, changes direction when extending to the center of the valve seat 2, and then extends to the upper surface of the valve seat 2 along the vertical direction until extending to the upper surface, so that the air inlet 3 forms a through hole with a vertical longitudinal section, and is connected and communicated with the electromagnetic valve 1 on the upper surface. Each air inlet 3 corresponds to an electromagnetic valve 1, each air inlet 3 is communicated with one electromagnetic valve 1, each air inlet 3 corresponds to a pipeline, and each air inlet 3 is connected with one pipeline. The air inlet 3 is connected with the pipeline at the position of the side wall.
The side wall of the valve seat 2 is provided with a plurality of exhaust holes 4, each exhaust hole 4 corresponds to one electromagnetic valve 1, and each exhaust hole 4 is communicated with one electromagnetic valve 1. The exhaust holes 4 are arranged on the upper part of the side wall of the valve seat 2 where the air inlet holes 3 are positioned, are uniformly arranged along a horizontal straight line and are arranged right above the air inlet holes 3. Each exhaust hole 4 extends into the valve seat 2 along the direction vertical to the side wall of the valve seat 2, changes direction when extending to a point to the left of the center of the valve seat 2, and then extends to the upper surface of the valve seat 2 along the vertical direction until extending to the upper surface, so that the exhaust hole 4 forms a through hole with a vertical longitudinal section, and is connected and communicated with the electromagnetic valve 1 on the upper surface. The vent 4 is used for venting of non-test lines.
The lateral wall of the valve seat 2 is provided with an air outlet 5, each electromagnetic valve 1 is communicated with the air outlet 5, and the air outlet 5 is communicated with the detection device. The air outlet 5 is arranged in the center of the side wall of the valve seat 2, which is perpendicular to the air inlet 3, and horizontally extends along the arrangement direction of the electromagnetic valves 1 until the air outlet reaches the position right below the last electromagnetic valve 1, and the air outlet 5 respectively vertically extends upwards to the upper surface at the position facing each electromagnetic valve 1 and is connected and communicated with all the electromagnetic valves 1 on the upper surface. The electromagnetic valves 1 on each confluence electromagnetic valve group share one air outlet 5 in the valve seat 2, and the air outlet 5 is communicated with the detection device.
The gas outlet device is also provided with a gas outlet pipeline, a plurality of gas outlet holes 5 are connected with the gas outlet pipeline, and the gas outlet pipeline is connected with the detection device.
Further, 2 solenoid valve group that converges has two ventholes 5, and two ventholes 5 are connected in the air outlet pipeline. The air outlet pipeline comprises a three-way joint.
The detection device comprises a flow electromagnetic valve and a pressure electromagnetic valve, wherein the air outlet pipeline is connected with the flow electromagnetic valve and the pressure electromagnetic valve.
The detection device also comprises a flow sensor and an oxygen concentration sensor, the flow electromagnetic valve is communicated with the flow sensor through a flow pipeline, and the flow sensor is communicated with the oxygen concentration sensor through an oxygen concentration pipeline. The oxygen concentration pipeline is provided with a flow limiting device, and the flow in the pipeline is limited to 2.5L/MIN.
The detection device also comprises a pressure sensor, and the pressure solenoid valve is communicated with the pressure sensor through a pressure pipeline.
And (3) running:
oxygen is generated by 20 oxygen generators simultaneously, oxygen reaches the two confluence electromagnetic valve groups through pipelines, and oxygen enters the valve seat 2 from the air inlet hole 3, reaches the electromagnetic valve 1 and is discharged from the air outlet hole 4. The main controller controls the first electromagnetic valve 1 to open, and oxygen in the pipeline corresponding to the electromagnetic valve 1 enters the air outlet pipeline through the air outlet hole 5.
The main controller controls the flow electromagnetic valve to be opened, oxygen enters the flow sensor through the flow pipeline, and flow data are collected. And then the oxygen concentration data is collected by dividing two paths by a flow dividing device, wherein one path of the oxygen concentration data enters an oxygen sensor after passing through an oxygen concentration pipeline and limiting the flow by a flow limiting device.
The main controller controls the flow electromagnetic valve to be closed, the pressure electromagnetic valve to be opened, and oxygen enters the pressure sensor through the pressure pipeline to collect pressure data.
The main controller controls the first electromagnetic valve 1 to be closed and controls the next electromagnetic valve 1 to be opened.
The main controller transmits the collected flow, pressure and oxygen concentration data to an upper computer and displays the data on a display screen.
An automatic test method of an oxygen generator comprises the following steps:
s1, placing a plurality of oxygenerators with different models on a plurality of stations, and connecting an oxygen outlet of the oxygenerator on each station with a pipeline on each station;
further, 20 oxygen generators with different models are placed on 20 stations.
S2, scanning an identification code on the oxygen making machine body, and transmitting the station and model information of the oxygen making machine to an upper computer;
furthermore, a code scanning machine is adopted to scan the two-dimensional codes on the ground of the oxygen generator, and the station and model information of the oxygen generator is transmitted to the upper computer. Various model parameters such as an alarm range and opening and closing time of various electromagnetic valves 1 are preset in control software in the upper computer.
S3, starting the oxygen generator to generate oxygen, controlling the first electromagnetic valve 1 to be opened by the main controller, then opening the flow electromagnetic valve, closing the flow electromagnetic valve, then opening the pressure electromagnetic valve, closing the pressure electromagnetic valve, then closing the electromagnetic valve 1, then opening the next electromagnetic valve 1, and circulating the steps until the last electromagnetic valve 1 is opened and then closed;
s4, repeating the step S3 for a plurality of times; further, 6-8 rounds were repeated.
And S5, transmitting the flow, pressure and oxygen concentration data obtained by each measurement of each oxygen generator to an upper computer, comparing the data detected each time with preset data corresponding to the type of the oxygen generator by software in the upper computer, and displaying abnormal data.
Further, the control software compares the acquired value of each of the 6 th to 8 th rounds with a preset value range, if the acquired value is within the preset value range, the test of the station oxygenerator is qualified, otherwise, the station oxygenerator is unqualified.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An automatic test system of an oxygen generator is characterized in that; including host computer, switch board, detection cabinet and a plurality of pipeline, the host computer with the switch board communication is connected, the switch board includes main control unit, main control unit with it connects to detect the cabinet electricity, it includes detection device and a plurality of electromagnetism valves that converges, every the electromagnetism valves that converges includes a plurality of solenoid valve, every the electromagnetism valves that converges corresponds a plurality of differences the pipeline, every the electromagnetism valves that converges corresponds respectively with a plurality of the tube coupling, detection device passes through a plurality of the electromagnetism valves that converges respectively with a plurality of the pipeline intercommunication.
2. The automatic test system of an oxygen generator of claim 1, wherein: the confluence electromagnetic valve group comprises a valve seat, a plurality of electromagnetic valves are fixedly connected to the upper surface of the valve seat, each electromagnetic valve corresponds to one pipeline, each electromagnetic valve is communicated with the corresponding pipeline, and each electromagnetic valve is communicated with the detection device.
3. The automatic test system of an oxygen generator of claim 2, wherein: the side wall of the valve seat is provided with a plurality of air inlets, each air inlet corresponds to one electromagnetic valve, each air inlet is communicated with one electromagnetic valve, each air inlet corresponds to one pipeline, and each air inlet is connected with one pipeline.
4. The automatic test system of an oxygen generator of claim 3, wherein: the side wall of the valve seat is provided with a plurality of exhaust holes, each exhaust hole corresponds to one electromagnetic valve, and each exhaust hole is communicated with one electromagnetic valve.
5. The automatic test system of an oxygen generator as claimed in claim 4, wherein: the side wall of the valve seat is provided with air outlet holes, each electromagnetic valve is communicated with the air outlet holes, and the air outlet holes are communicated with the detection device.
6. The automatic test system of an oxygen generator as claimed in claim 5, wherein: the gas outlet device is characterized by further comprising a gas outlet pipeline, wherein the gas outlet holes are connected with the gas outlet pipeline, and the gas outlet pipeline is connected with the detection device.
7. The automatic test system of an oxygen generator of claim 6, wherein: the detection device comprises a flow electromagnetic valve and a pressure electromagnetic valve, the air outlet pipeline is connected with the flow electromagnetic valve, and the air outlet pipeline is connected with the pressure electromagnetic valve.
8. The automatic test system of an oxygen generator of claim 7, wherein: the detection device further comprises a flow sensor and an oxygen concentration sensor, the flow electromagnetic valve is communicated with the flow sensor through a flow pipeline, and the flow sensor is communicated with the oxygen concentration sensor through an oxygen concentration pipeline.
9. The automatic test system of an oxygen generator of claim 8, wherein: the detection device further comprises a pressure sensor, and the pressure electromagnetic valve is communicated with the pressure sensor through a pressure pipeline.
10. An automatic test method of an oxygen generator is characterized in that;
the method comprises the following steps:
s1, placing a plurality of oxygenerators with different models on a plurality of stations, and connecting an oxygen outlet of the oxygenerator on each station with a pipeline on each station;
s2, scanning an identification code on the oxygen making machine body, and transmitting the station and model information of the oxygen making machine to an upper computer;
s3, starting the oxygen generator, starting the oxygen generation of the oxygen generator, controlling the first electromagnetic valve to be opened by the main controller, then opening the flow electromagnetic valve, closing the flow electromagnetic valve, then opening the pressure electromagnetic valve, closing the pressure electromagnetic valve, then closing the electromagnetic valve, and then opening the next electromagnetic valve, and circulating the steps until the last electromagnetic valve is opened and then closed;
s4, repeating the step S3 for a plurality of times;
and S5, transmitting the flow, pressure and oxygen concentration data obtained by each measurement of each oxygen generator to an upper computer, comparing the data detected each time with preset data corresponding to the type of the oxygen generator by software in the upper computer, and displaying abnormal data.
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| CN201911310002.XA CN110987077B (en) | 2019-12-18 | 2019-12-18 | Automatic test system and method for oxygen generator |
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Cited By (1)
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| CN114279499A (en) * | 2021-12-23 | 2022-04-05 | 中国人民解放军联勤保障部队药品仪器监督检验总站 | Online calibration device and system of oxygen production and supply equipment |
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| CN110987077B (en) | 2022-03-11 |
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Effective date of registration: 20230801 Address after: No. 32, Lane 1277, Zhuanqiao Town, Minhang District, Shanghai, 201100 Patentee after: Shanghai Oujing Technology Co.,Ltd. Address before: 215000 room 206, building 13 (nw-13), Northwest District, Suzhou nano City, No. 99, Jinjihu Avenue, Suzhou Industrial Park, Jiangsu Province Patentee before: MAIXIANG MEDICAL TECHNOLOGY (SUZHOU) Co.,Ltd. |