CN115420853A - Testing device and testing method for carbon dioxide gas sensor - Google Patents
Testing device and testing method for carbon dioxide gas sensor Download PDFInfo
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- CN115420853A CN115420853A CN202211001835.XA CN202211001835A CN115420853A CN 115420853 A CN115420853 A CN 115420853A CN 202211001835 A CN202211001835 A CN 202211001835A CN 115420853 A CN115420853 A CN 115420853A
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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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/004—Specially adapted to detect a particular component for CO, CO2
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a testing device and a testing method for a carbon dioxide gas sensor, wherein the testing device comprises a device body, a control screen, a preset sensor, a placing component and a heating component, and the testing device also comprises: the uniform distribution mechanism is connected with the device body and used for uniformly distributing gas, and comprises a pipeline A, a spraying assembly, a dispersing assembly and a gas supply assembly; the ejection assembly comprises a pipeline B, a rotating frame, a nozzle and a pushing unit; the dispersing assembly comprises a plurality of flow distribution plates A and a transmission assembly, the flow distribution plates A are uniformly distributed on the rotating frame and connected with the rotating frame, and a plurality of flow distribution plates B are obliquely arranged on the flow distribution plates A and connected with the flow distribution plates A; the device can quickly and uniformly fill gas mixed with carbon dioxide in the device body, and can simulate the environment of the carbon dioxide sensor and test the precision change of the carbon dioxide in different environments.
Description
Technical Field
The invention belongs to the technical field of sensor testing, and particularly relates to a testing device and a testing method for a carbon dioxide gas sensor.
Background
With the development of technology, the related art has been able to detect the content of carbon dioxide in the air by assembling a carbon dioxide sensor.
The existing carbon dioxide sensor testing device basically adopts the mode that a sensor is placed in a sealed box, then mixed gas mixed with carbon dioxide is filled in the sealed box, and the carbon dioxide testing precision is detected by comparing readings of a preset sensor and a sensor to be tested.
However, the existing carbon dioxide sensor testing device cannot rapidly and uniformly distribute mixed gas mixed with carbon dioxide in the sealed box, so that the carbon dioxide concentration in the box body cannot be accurately judged by the sensor to be tested, and the testing result of the sensor to be tested is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a testing device for a carbon dioxide gas sensor and a testing method thereof, and solves the problems.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a testing arrangement and test method for carbon dioxide gas sensor, includes device body, control panel, predetermines the sensor, places subassembly and heating element, the control panel embedding sets up on the device body, predetermine the sensor and connect in the device body, still include:
the uniform distribution mechanism is connected with the device body and used for uniformly distributing gas, the uniform distribution mechanism comprises pipelines A, a spraying assembly, a dispersing assembly and a gas supply assembly, and the two pipelines A are oppositely connected in the device body;
the spraying assembly comprises a pipeline B, a rotating frame, a spray head and a pushing unit, the pipeline B is intermittently connected with the rotating frame through a connecting assembly, the rotating frame is rotatably connected with the pipeline A, the spray head is in threaded connection with the rotating frame, a valve piece electrically connected with the control screen is connected in the rotating frame, the pipeline B is rotatably connected with the device body, and the air supply assembly is connected with the pipeline B rotatably connected to the device body;
dispersion subassembly includes flow distribution plate A and drive assembly, a plurality of flow distribution plate A evenly distributed just is connected with the rotating turret on the rotating turret, it is provided with a plurality of flow distribution plate B and is connected with flow distribution plate A to slope on the flow distribution plate A, drive assembly is used for the transmission to connect the rotating turret and promotes the unit.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
the further technical scheme is as follows: the transmission assembly comprises a spiral groove and a sliding column, the spiral groove is formed in the pipeline B, the sliding column is connected with the pushing unit, and the sliding column is in sliding fit with the pipeline B.
The further technical scheme is as follows: the promotion unit includes elastic component A and push pedal, push pedal and pipeline A and pipeline B sliding fit, elastic component A is located pipeline A, elastic component A and push pedal and this body coupling of device, the push pedal is connected with drive assembly.
The further technical scheme is as follows: the supporting plates on the rotating frame are provided with a plurality of supporting plates which are distributed on the rotating frame in an annular shape.
The further technical scheme is as follows: coupling assembling includes slide cartridge, spacing post, elastic component B and electro-magnet A, spacing post and slide cartridge sliding fit, elastic component B is connected, two with slide cartridge and spacing post electromagnet A fixes respectively to invade and sets up on slide cartridge and spacing post, spacing post and the spacing groove sliding fit who sets up on pipeline B, electro-magnet A and control panel electric connection.
The further technical scheme is as follows: the device body is provided with a liquid supply assembly for adjusting the humidity in the device body.
The further technical scheme is as follows: place the subassembly including placing piece, install bin, electro-magnet B, guide bar and block rubber, install bin and guide bar sliding fit, the install bin with place the piece and be connected, two electro-magnet B imbed respectively and set up on placing piece and install bin and with place the piece and the install bin is connected, two the block rubber symmetry sets up on placing the piece and with place the piece and be connected, electro-magnet B and control panel electric connection, be provided with on the install bin and be used for carrying out the fixed subassembly injectd to the sensor that awaits measuring.
The further technical scheme is as follows: the liquid supply unit includes atomizer, pipeline D and humidity transducer, atomizer and pipeline D threaded connection, the atomizer is connected with this body dismantlement of device, pipeline D link up pipeline A and with pipeline A threaded connection, humidity transducer connects at this internally of device, humidity transducer and atomizer all with control panel electric connection.
The further technical scheme is as follows: the placing block is embedded with an air expansion ring, and the air expansion ring is matched with a sealing groove formed in the device body for use.
A test method of a carbon dioxide gas sensor based on the device comprises the following steps:
SP1: related technicians push the limiting plates to perform linear motion by rotating the screw, the two limiting plates perform relative linear motion to fix the sensor to be tested on the installation box, and simultaneously, the inflatable ring is inflated to seal the sensor to be tested in the device body;
SP2: the humidity in the device body and the movement bag of the sensor to be measured are used as quantification, the temperature is used as variable, and the heating assembly is started to heat the environment in the device body until the preset temperature is reached;
SP3: the gas mixer mixes gas containing carbon dioxide entering the device body and introduces the mixed gas into the pipeline B through the pipeline C;
SP4: the pipeline B guides gas into the pipeline A, the gas pushes the push plate to extrude the elastic part A by utilizing the tension of the gas and linearly moves along the pipeline A, the valve is opened and the pipeline A is enabled to be communicated with the device body, the push plate is pushed by the elastic part A to linearly move in the reverse direction, the push plate pushes the gas respectively positioned in the two pipelines A out of the pipeline A, and the two streams of gas collide in the device body to form turbulence and are rapidly heated by the heating assembly;
SP5: the gas supply assembly guides gas into the pipeline A again, the push plate slides along the spiral groove through the sliding column to enable the pipeline B to rotate, the pipeline B drives the rotating frame which is connected with the pipeline B into a whole through the connecting assembly to rotate synchronously, the rotating frame drives the plurality of flow distribution plates A to rotate, and the flow distribution plates A are matched with the flow distribution plates B to uniformly throw the heated gas into the device body;
SP6: respectively reading the content of carbon dioxide in the device body detected by a preset sensor and a sensor to be detected through a control screen, comparing the content of the carbon dioxide with the content of the carbon dioxide in the device body detected by the sensor to be detected, and carrying out precision detection on the carbon dioxide sensor in a high-temperature environment;
SP7: taking the temperature in the device body and the motion state of a sensor to be measured as quantification, taking the humidity in the device body as variable, starting the atomizer through the control screen, leading atomized liquid formed by the atomizer into the pipeline A through the pipeline D, repeating the actions from SP3 to SP5 at the moment, uniformly distributing gas containing the atomized liquid in the device body, and adjusting the humidity in the device body;
SP8: respectively reading the content of carbon dioxide in the device body detected by the preset sensor and the sensor to be detected through the control screen, and comparing the content of carbon dioxide in the device body with the content of carbon dioxide in the device body detected by the sensor to be detected to obtain the precision change of the sensor to be detected under different humidity conditions;
SP9: this internal temperature of device, humidity is as the ration, the motion state of the sensor that awaits measuring is as the variable, through this internal temperature of control screen controlling means and humidity and start two electro-magnet B promotion install bins along placing the piece at this internal linear reciprocating motion that carries out of device, relevant technical staff can also carry out linear motion and striking simulation to the sensor that awaits measuring through the mode that electro-magnet B promoted install bin striking rubber piece simultaneously, whether the measurement accuracy changes when the test sensor that awaits measuring moves and strikes.
Advantageous effects
The invention provides a testing device and a testing method for a carbon dioxide gas sensor, which have the following beneficial effects compared with the prior art:
1. the related technical personnel can control the air supply assembly to guide prefabricated gas into the pipeline B through the control screen, the pipeline B guides the gas into the pipeline A, at the moment, the gas utilizes self tension to push the push plate to extrude the elastic part A and perform linear motion along the pipeline A, the valve is opened to enable the pipeline A to be communicated with the device body, at the moment, the push plate performs reverse linear motion under the pushing of the elastic part A, the push plate can relatively push the gas in the two pipelines A out of the pipeline A, the two gases collide in the device body to form turbulence and are rapidly heated by the heating assembly, at the same time, the air supply assembly guides the gas into the pipeline A again, at the moment, the push plate enables the pipeline B to rotate through the sliding of the sliding column along the spiral groove, the pipeline B drives the rotating frame connected with the pipeline B through the connecting assembly to synchronously rotate, the rotating frame drives the plurality of flow distribution plates A to rotate, the flow distribution plates A uniformly flings the heated gas into the device body through the matching with the flow distribution plates B, at the related technical personnel can respectively read the carbon dioxide content in the device body detected by the preset sensor and compare the two, and realize the detection precision of the carbon dioxide sensor under the high-temperature environment.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
FIG. 3 is a schematic structural view of the equispaced mechanism of the present invention.
FIG. 4 is a schematic diagram of the dispersing assembly of the present invention.
Fig. 5 is a schematic structural view of the connecting member of the present invention.
Fig. 6 is a schematic structural diagram of the placement component of the present invention.
Notations for reference numerals: 1. a device body; 2. a control screen; 3. a uniform distribution mechanism; 301. a pipeline A; 302. a pushing unit; 3021. a pipe B; 3022. an elastic member A; 3023. pushing a plate; 3024. a rotating frame; 3025. a spray head; 303. a dispersion assembly; 3031. a splitter plate A; 3032. a helical groove; 3033. a splitter plate B; 3034. a support plate; 304. a connecting assembly; 3041. a slide cylinder; 3042. a limiting post; 3043. an elastic member B; 3044. an electromagnet A; 4. a gas supply assembly; 401. a gas mixer; 402. a pipe C; 5. placing the component; 501. placing the blocks; 502. installing a box; 503. an electromagnet B; 504. a guide rod; 6. a liquid supply assembly; 601. an atomizer; 602. a pipe D; 7. an air expansion ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to 5, a testing apparatus for a carbon dioxide sensor according to an embodiment of the present invention includes an apparatus body 1, a control panel 2, a preset sensor, a placing component 5, and a heating component, wherein the control panel 2 is embedded in the apparatus body 1, the preset sensor is fixedly connected in the apparatus body 1, and the testing apparatus further includes:
the uniform distribution mechanism 3 is connected with the device body 1 and used for uniformly distributing gas, the uniform distribution mechanism 3 comprises pipelines A301, a spraying assembly, a dispersing assembly 303 and a gas supply assembly 4, and the two pipelines A301 are relatively and fixedly connected in the device body 1;
the spraying assembly comprises a pipeline B3021, a rotating frame 3024, a spray head 3025 and a pushing unit 302, wherein the pipeline B3021 is intermittently connected with the rotating frame 3024 through a connecting assembly 304, the rotating frame 3024 is rotatably connected with the pipeline A301, the spray head 3025 is in threaded connection with the rotating frame 3024, a valve part (not marked in the figure) electrically connected with the control panel 2 is fixedly connected in the rotating frame 3024, the pipeline B3021 is rotatably connected with the device body 1, and the air supply assembly 4 is connected with the pipeline B3021 rotatably connected with the device body 1;
the dispersion assembly 303 comprises a splitter plate a3031 and a transmission assembly, wherein a plurality of splitter plates a3031 are uniformly distributed on the rotating frame 3024 and are fixedly connected with the rotating frame 3024, a plurality of splitter plates B3033 are arranged on the splitter plate a3031 in an inclined manner and are fixedly connected with the splitter plate a3031, and the transmission assembly is used for transmission connection of the rotating frame 3024 and the pushing unit 302;
the transmission assembly comprises a spiral groove 3032 and a sliding column (not marked in the figure), wherein the spiral groove 3032 is arranged on the pipeline B3021, the sliding column is connected with the pushing unit 302, and the sliding column is in sliding fit with the pipeline B3021;
the pushing unit 302 comprises an elastic member a3022 and a push plate 3023, the push plate 3023 is in sliding fit with the pipeline a301 and the pipeline B3021, the elastic member a3022 is located in the pipeline a301, the elastic member a3022 is fixedly connected with the push plate 3023 and the device body 1, and the push plate 3023 is fixedly connected with the spool.
Preferably, the support plates 3034 on the rotating rack 3024 are provided in a plurality and distributed on the rotating rack 3024 in a ring shape. This arrangement is intended to agitate and mix again the substance that enters the conduit a301 and is about to leave the conduit a 301.
Preferably, the connecting assembly 304 includes a sliding barrel 3041, a limiting post 3042, an elastic member B3043 and an electromagnet a3044, the limiting post 3042 is in sliding fit with the sliding barrel 3041, the elastic member B3043 is fixedly connected with the sliding barrel 3041 and the limiting post 3042, the two electromagnets a3044 are respectively and fixedly arranged on the sliding barrel 3041 and the limiting post 3042 in an intruding manner, the limiting post 3042 is in sliding fit with a limiting groove (not labeled in the figure) formed on the pipe B3021, and the electromagnet a3044 is electrically connected with the control panel 2. The arrangement aims to push the limiting column 3042 to move linearly along the sliding barrel 3041 by utilizing the property that two electromagnets A3044 have the same polarity and the same polarity, and the limiting column 3042 realizes the intermittent connection between the rotating frame 3024 and the pipeline B3021 in a manner that the limiting column 3042 is inserted into a limiting groove formed in the pipeline B3021, so that the pipeline B3021 can drive the rotating frame 3024 to rotate in the vertical direction.
Preferably, the elastic member a3022 is any one of a spring, a compression spring, and an elastic steel plate.
Preferably, the elastic member B3043 is any one of a spring, a compression spring, and an elastic steel plate.
In the embodiment of the invention, a person skilled in the relevant art controls the gas supply assembly 4 to introduce the prepared gas into the pipeline B3021 through the control panel 2, the pipeline B3021 introduces the gas into the pipeline A301, the gas pushes the push plate 3023 to press the elastic member A3022 by using the self tension and to perform linear motion along the pipeline A301, the valve is opened to make the pipeline A301 be communicated with the device body 1, the push plate 3023 performs reverse linear motion under the pushing of the elastic member A3022, the push plates 3023 push the gas respectively positioned in the two pipelines A301 out of the pipeline A301, the two gases collide in the device body 1 to form turbulent flow and are rapidly heated by the heating assembly, and simultaneously the gas supply assembly 4 introduces the gas into the pipeline A301 again, at this moment, the push plate 3023 slides along the spiral groove 3032 through the sliding column to enable the pipeline B3021 to rotate, the pipeline B3021 drives the rotating rack 3024 connected with the pipeline B3021 through the connecting assembly 304 to rotate synchronously, the rotating rack 3024 drives the plurality of flow distribution plates a3031 to rotate, the flow distribution plates a3031 uniformly throw the heated gas into the device body 1 through matching with the flow distribution plates B3033, at this moment, relevant technicians respectively read the content of carbon dioxide in the device body 1 detected by the preset sensor and the sensor to be detected through the control screen 2 and compare the content of carbon dioxide with the content of carbon dioxide in the device body 1, and the technical effect of detecting the accuracy of the carbon dioxide sensor in a high-temperature environment is achieved.
Referring to fig. 1-2, as an embodiment of the present invention, a liquid supply assembly 6 for adjusting humidity inside the device body 1 is disposed on the device body 1.
Preferably, the liquid supply assembly 6 includes an atomizer 601, a pipeline D602 and a humidity sensor (not shown in the figure), the atomizer 601 is connected with the pipeline D602 by screw thread, the atomizer 601 is connected with the device body 1 in a detachable manner, the pipeline D602 is connected with the pipeline a301 by screw thread, the humidity sensor is fixedly connected in the device body 1, and the humidity sensor and the atomizer 601 are both electrically connected with the control panel 2. This arrangement is intended to introduce the atomized liquid formed by the atomizer 601 into the duct a301 through the duct D602.
In the embodiment of the present invention, this arrangement is intended to change the humidity environment inside the apparatus body 1 by supplying liquid into the pipe a 301.
Referring to fig. 1, fig. 2, and fig. 6, as an embodiment of the present invention, the placing assembly 5 includes a placing block 501, an installation box 502, two electromagnets B503, a guide rod 504, and rubber blocks 505, the installation box 502 is in sliding fit with the guide rod 504, the installation box 502 is fixedly connected to the placing block 501, the two electromagnets B503 are respectively embedded in the placing block 501 and the installation box 502 and are fixedly connected to the placing block 501 and the installation box 502, the two rubber blocks 505 are symmetrically disposed on the placing block 501 and are fixedly connected to the placing block 501, the electromagnets B503 are electrically connected to the control panel 2, and a fixing assembly for limiting a sensor to be measured is disposed on the installation box 502.
Preferably, the fixing assembly includes a limiting plate (not shown) and a screw (not shown), the limiting plate and the screw are both located in the cavity of the installation box 502 and slidably engaged with the installation box 502, the screw is rotatably connected with the limiting plate, and the screw is engaged with the installation box 502 by screw threads. The purpose of this kind of setting lies in, relevant technical staff can carry out linear motion through rotating the screw rod and promoting the limiting plate, and two limiting plates realize carrying out spacing fixed technological effect to the sensor that awaits measuring through the mode of carrying out relative linear motion.
Preferably, the placing block 501 is provided with an air expansion ring 7 in an embedded manner, and the air expansion ring 7 is matched with a sealing groove formed in the device body 1 for use. Related technicians can realize the technical effect of sealing the sensor to be measured in the device body 1 by inflating the inflatable ring 7 to enable the inflatable ring 7 to be inflated and embedded in a sealing groove formed in the device body 1.
In the embodiment of the invention, a related technician limits a sensor to be tested in the installation box 502 through a fixing component and starts two electromagnets B503 through the control screen 2 to push the installation box 502 to linearly reciprocate in the device body 1 along the placing block 501, and meanwhile, the related technician can also simulate the linear motion and impact of the sensor to be tested in a manner that the electromagnets B503 push the installation box 502 to impact the rubber block 505, so as to test whether the measurement precision of the sensor to be tested changes during the motion and impact.
Referring to fig. 1-2, as an embodiment of the present invention, the heating assembly includes heating resistors and temperature sensors, the heating resistors are uniformly distributed in the device body 1 and are fixedly connected to the device body 1, the temperature sensors are fixedly connected to the device body 1, and the heating resistors and the temperature sensors are both electrically connected to the control panel 2.
In the embodiment of the present invention, the purpose of this arrangement is that a technician can control the heating resistor through the control panel 2 to rapidly heat the gas and the liquid introduced into the apparatus body 1, thereby changing the ambient temperature in the apparatus body 1, and the temperature sensor can measure the temperature in the apparatus body 1 and feed the measured temperature back to the control panel 2 to detect the temperature in the apparatus body 1 in real time.
Referring to fig. 1-2, as an embodiment of the present invention, the gas supply module 4 includes a gas mixer 401 and a duct C402, the gas mixer 401 is detachably connected to the apparatus body 1 through a bolt assembly, the duct C402 is fixedly connected to the gas mixer 401, the duct C402 passes through a duct B3021 and is rotatably connected to the duct B3021, and the gas mixer 401 is electrically connected to the control panel 2.
In the embodiment of the present invention, the related art can mix and introduce different gases into the 3201 through the gas mixer 401, and this arrangement is intended to supply the gas containing carbon dioxide into the apparatus body 1.
A test method of a carbon dioxide gas sensor based on the device comprises the following steps:
SP1: related technicians push the limiting plates to perform linear motion by rotating the screw, the two limiting plates perform relative linear motion to fix the sensor to be tested on the installation box 502, and simultaneously, the inflatable ring 7 is inflated to seal the sensor to be tested in the device body 1;
SP2: the humidity in the device body 1 and the movement bag of the sensor to be measured are used as quantification, the temperature is used as variable, and the heating assembly is started to heat the environment in the device body 1 until the preset temperature is reached;
SP3: the gas mixer 401 mixes gas (including carbon dioxide gas) to be introduced into the apparatus main body 1 and introduces the mixed gas into the duct B3021 through the duct C402;
SP4: the pipeline B3021 introduces gas into the pipeline A301, at this time, the gas pushes the push plate 3023 to extrude the elastic member A3022 by using self tension and to perform linear motion along the pipeline A301, the valve element is opened and the pipeline A301 is made to communicate with the device body 1, at this time, the push plate 3023 performs reverse linear motion under the pushing of the elastic member A3022, the push plate 3023 pushes the gas respectively positioned in the two pipelines A301 out of the pipeline A301 relatively, and two gas streams collide in the device body 1 to form turbulent flow and are rapidly heated by the heating assembly;
SP5: the gas supply assembly 4 guides the gas into the pipeline a301 again, at this time, the push plate 3023 slides along the spiral groove 3032 through the sliding column to promote the pipeline B3021 to rotate, the pipeline B3021 drives the rotating rack 3024 connected with the pipeline B3021 through the connecting assembly 304 to rotate synchronously, the rotating rack 3024 drives the plurality of splitter plates a3031 to rotate, and the splitter plates a3031 cooperate with the splitter plates B3033 to uniformly throw the heated gas into the device body 1;
SP6: respectively reading the content of carbon dioxide in the device body 1 detected by a preset sensor and a sensor to be detected through the control screen 2, comparing the content of the carbon dioxide with the content of the carbon dioxide in the device body 1, and carrying out precision detection on the carbon dioxide sensor in a high-temperature environment;
SP7: the temperature in the device body 1 and the motion state of a sensor to be measured are taken as quantification, the humidity in the device body 1 is taken as variable, the atomizer 601 is started through the control screen 2, the atomized liquid formed by the atomizer 601 is introduced into the pipeline A301 through the pipeline D602, at the moment, the actions from SP3 to SP5 are repeated to uniformly distribute the gas containing the atomized liquid in the device body 1, and the humidity in the device body 1 is adjusted;
SP8: respectively reading the content of carbon dioxide in the device body 1 detected by a preset sensor and a sensor to be detected through the control screen 2, and comparing the content of carbon dioxide with the content of carbon dioxide in the device body 1 to obtain the precision change of the sensor to be detected under different humidity conditions;
SP9: the temperature and the humidity in the device body 1 are used as quantification, the motion state of the sensor to be tested is used as variable, the temperature and the humidity in the device body are controlled through the control screen 2, the two electromagnets B503 are started to push the installation box 502 to perform linear reciprocating motion in the device body 1 along the placing block 501, meanwhile, related technicians can also perform linear motion and impact simulation on the sensor to be tested in a mode that the electromagnets B503 push the installation box 502 to impact the rubber block 505, and whether the measurement precision of the sensor to be tested changes during motion and impact is tested.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a testing arrangement for carbon dioxide gas sensor, includes device body, control panel, predetermines the sensor, places subassembly and heating element, the control panel embedding sets up on the device body, predetermine the sensor connection and this internally at the device, its characterized in that still includes:
the uniform distribution mechanism is connected with the device body and used for uniformly distributing gas, the uniform distribution mechanism comprises pipelines A, a spraying assembly, a dispersing assembly and a gas supply assembly, and the two pipelines A are oppositely connected in the device body;
the spraying assembly comprises a pipeline B, a rotating frame, a spray head and a pushing unit, the pipeline B is intermittently connected with the rotating frame through a connecting assembly, the rotating frame is rotatably connected with the pipeline A, the spray head is in threaded connection with the rotating frame, a valve piece electrically connected with the control screen is connected in the rotating frame, the pipeline B is rotatably connected with the device body, and the air supply assembly is connected with the pipeline B rotatably connected to the device body;
dispersion subassembly includes flow distribution plate A and drive assembly, a plurality of flow distribution plate A evenly distributed just is connected with the rotating turret on the rotating turret, it is provided with a plurality of flow distribution plate B and is connected with flow distribution plate A to slope on the flow distribution plate A, drive assembly is used for the transmission to connect the rotating turret and promotes the unit.
2. The testing device for the carbon dioxide gas sensor according to claim 1, wherein the transmission assembly comprises a spiral groove and a sliding column, the spiral groove is formed in the pipe B, the sliding column is connected with the pushing unit, and the sliding column is in sliding fit with the pipe B.
3. The testing device for the carbon dioxide gas sensor according to claim 1, wherein the pushing unit comprises an elastic member A and a push plate, the push plate is in sliding fit with the pipeline A and the pipeline B, the elastic member A is located in the pipeline A, the elastic member A is connected with the push plate and the device body, and the push plate is connected with the transmission assembly.
4. The testing device for the carbon dioxide gas sensor according to claim 1, wherein the supporting plate on the rotating frame is provided with a plurality of supporting plates which are annularly distributed on the rotating frame.
5. The testing device for the carbon dioxide gas sensor according to claim 1, wherein the connecting assembly comprises a sliding barrel, a limiting column, an elastic part B and electromagnets A, the limiting column is in sliding fit with the sliding barrel, the elastic part B is connected with the sliding barrel and the limiting column, the two electromagnets A are respectively and fixedly arranged on the sliding barrel and the limiting column in an invasive manner, the limiting column is in sliding fit with a limiting groove formed in a pipeline B, and the electromagnets A are electrically connected with the control screen.
6. The testing device and the testing method for the carbon dioxide gas sensor according to claim 1, wherein a liquid supply assembly for adjusting humidity in the device body is provided on the device body.
7. The testing device for the carbon dioxide gas sensor according to claim 1, wherein the placing component comprises a placing block, an installation box, electromagnets B, a guide rod and rubber blocks, the installation box is in sliding fit with the guide rod, the installation box is connected with the placing block, the two electromagnets B are respectively embedded in the placing block and the installation box and connected with the placing block and the installation box, the two rubber blocks are symmetrically arranged on the placing block and connected with the placing block, the electromagnets B are electrically connected with the control screen, and a fixing component for limiting the sensor to be tested is arranged on the installation box.
8. The testing device for the carbon dioxide gas sensor according to claim 6, wherein the liquid supply assembly comprises an atomizer, a pipeline D and a humidity sensor, the atomizer is in threaded connection with the pipeline D, the atomizer is detachably connected with the device body, the pipeline D penetrates through the pipeline A and is in threaded connection with the pipeline A, the humidity sensor is connected in the device body, and the humidity sensor and the atomizer are both electrically connected with the control screen.
9. The testing device for the carbon dioxide gas sensor as recited in claim 8, wherein an air expansion ring is embedded in the placement block, and the air expansion ring is matched with a sealing groove formed in the device body.
10. A testing method of a testing device for a carbon dioxide gas sensor is characterized by comprising the following steps:
SP1: related technicians fix the sensor to be tested on the installation box through the fixing assembly, and simultaneously inflate the inflatable ring to seal the sensor to be tested in the device body;
SP2: taking the humidity in the device body and the movement bag of the sensor to be measured as the quantification, taking the temperature as the variable, and starting the heating assembly to heat the environment in the device body until the preset temperature is reached;
SP3: the gas mixer mixes the carbon dioxide gas which is about to enter the device body and leads the carbon dioxide gas into the pipeline B through the pipeline C;
SP4: the pipeline B guides gas into the pipeline A, the gas pushes the push plate to extrude the elastic part A by utilizing the tension of the gas and linearly moves along the pipeline A, the valve is opened and the pipeline A is enabled to be communicated with the device body, the push plate is pushed by the elastic part A to linearly move in the reverse direction, the push plate pushes the gas respectively positioned in the two pipelines A out of the pipeline A, and the two streams of gas collide in the device body to form turbulence and are rapidly heated by the heating assembly;
SP5: the gas supply assembly guides gas into the pipeline A again, the push plate slides along the spiral groove through the sliding column to enable the pipeline B to rotate, the pipeline B drives the rotating frame which is connected with the pipeline B into a whole through the connecting assembly to rotate synchronously, the rotating frame drives the plurality of flow distribution plates A to rotate, and the flow distribution plates A are matched with the flow distribution plates B to uniformly throw the heated gas into the device body;
SP6: respectively reading the content of carbon dioxide in the device body detected by a preset sensor and a sensor to be detected through a control screen, comparing the content of the carbon dioxide with the content of the carbon dioxide in the device body detected by the sensor to be detected, and carrying out precision detection on the carbon dioxide sensor in a high-temperature environment;
SP7: taking the temperature in the device body and the motion state of a sensor to be measured as quantification, taking the humidity in the device body as variable, starting the atomizer through the control screen, leading atomized liquid formed by the atomizer into the pipeline A through the pipeline D, repeating the actions from SP3 to SP5 at the moment, uniformly distributing gas containing the atomized liquid in the device body, and adjusting the humidity in the device body;
SP8: respectively reading the content of carbon dioxide in the device body detected by the preset sensor and the sensor to be detected through the control screen, and comparing the content of carbon dioxide in the device body with the content of carbon dioxide in the device body detected by the sensor to be detected to obtain the precision change of the sensor to be detected under different humidity conditions;
SP9: this internal temperature of device, humidity are as the ration, the motion state of the sensor that awaits measuring is as the variable, through this internal temperature of control screen controlling means and humidity and start two electro-magnet B promotion install bins along placing the piece and carry out linear reciprocating motion at this internal the device, relevant technical staff can also carry out linear motion and striking simulation to the sensor that awaits measuring through the mode that electro-magnet B promoted the install bin striking block rubber simultaneously, whether the measurement accuracy changes when the test sensor that awaits measuring moves and strikes.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20110027146A (en) * | 2009-09-09 | 2011-03-16 | 주식회사 파인시스 | Air inhalation type apparatus for sensing complex toxic gases |
| CN107367580A (en) * | 2017-07-18 | 2017-11-21 | 中国工程物理研究院材料研究所 | Sensor detector and method |
| CN109444003A (en) * | 2018-11-16 | 2019-03-08 | 江苏日盈电子股份有限公司 | Test equipment and test method |
| CN212159642U (en) * | 2020-03-24 | 2020-12-15 | 合肥微纳传感技术有限公司 | Gas sensor test cavity, test device and test system |
| CN214427247U (en) * | 2021-03-16 | 2021-10-19 | 广东众志检测仪器有限公司 | Spraying tester |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110027146A (en) * | 2009-09-09 | 2011-03-16 | 주식회사 파인시스 | Air inhalation type apparatus for sensing complex toxic gases |
| CN107367580A (en) * | 2017-07-18 | 2017-11-21 | 中国工程物理研究院材料研究所 | Sensor detector and method |
| CN109444003A (en) * | 2018-11-16 | 2019-03-08 | 江苏日盈电子股份有限公司 | Test equipment and test method |
| CN212159642U (en) * | 2020-03-24 | 2020-12-15 | 合肥微纳传感技术有限公司 | Gas sensor test cavity, test device and test system |
| CN214427247U (en) * | 2021-03-16 | 2021-10-19 | 广东众志检测仪器有限公司 | Spraying tester |
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