CN112629576A - Temperature and pressure sensor testing method, equipment, device and storage medium - Google Patents
Temperature and pressure sensor testing method, equipment, device and storage medium Download PDFInfo
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- CN112629576A CN112629576A CN202011384700.7A CN202011384700A CN112629576A CN 112629576 A CN112629576 A CN 112629576A CN 202011384700 A CN202011384700 A CN 202011384700A CN 112629576 A CN112629576 A CN 112629576A
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- 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
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention discloses a temperature and pressure sensor testing method, equipment, a device and a storage medium, wherein the temperature and pressure sensor testing method comprises the following steps: the method comprises the steps of obtaining configuration conditions input by a user, configuring test equipment according to the configuration conditions, obtaining a detection instruction input by the user, detecting the connection state of the test equipment according to the detection instruction, obtaining the test instruction input by the user if the test equipment is successfully connected, determining a test item according to the test instruction, testing a preset temperature and pressure sensor based on the test item, testing a plurality of performance parameters of the preset temperature and pressure sensor in a test period, improving the test efficiency of the temperature and pressure sensor, ensuring that the test is carried out under the condition that the test equipment is connected without errors, and improving the test accuracy of the temperature and pressure sensor.
Description
Technical Field
The invention relates to the field of temperature and pressure sensors, in particular to a temperature and pressure sensor testing method, equipment, a device and a storage medium.
Background
With the application of the pressure sensor becoming more and more extensive, a plurality of manufacturers can test the performance parameters of the pressure sensor before using the pressure sensor in order to ensure the quality of the product of the manufacturers. At present, in the testing process of the pressure sensor, testing equipment needs to be adjusted or replaced according to the model of the preset pressure sensor, performance parameters to be tested and the like, each testing period can only test one performance parameter of the pressure sensor, if a fault occurs in the testing process, after a fault source needs to be checked, the equipment is adjusted or replaced, the testing efficiency is low, meanwhile, the testing can be performed under the condition that the equipment has a fault or is incorrectly connected, and then a wrong testing result is obtained, so that the testing accuracy is low.
Disclosure of Invention
The invention mainly aims to provide a temperature and pressure sensor testing method, and aims to solve the technical problems of low testing efficiency and low testing accuracy of a pressure sensor.
In order to achieve the above object, the present invention provides a temperature and pressure sensor testing method, including the steps of:
acquiring configuration conditions input by a user, and configuring test equipment according to the configuration conditions;
acquiring a detection instruction input by a user, and detecting the connection state of the test equipment according to the detection instruction;
if the test equipment is successfully connected, a test instruction input by a user is obtained, a test item is determined according to the test instruction, and the preset temperature and pressure sensor is tested based on the test item.
Optionally, the test items include a circuit performance test, a temperature pressure performance test, and a multi-performance test, and the step of testing the preset temperature and pressure sensor based on the test items includes:
if the test item is a multi-performance test, performing a first test on the preset temperature and pressure sensor according to the test instruction;
if the test item is a circuit performance test, performing a second test on the preset temperature and pressure sensor according to the test instruction;
if the test item is a temperature pressure performance test, performing a third test on the preset temperature pressure sensor according to the test instruction;
optionally, if the test item is a circuit performance test, performing a second test on the preset temperature and pressure sensor according to the test instruction, including:
acquiring a test current value of the preset temperature and pressure sensor;
determining whether the test current value is between preset current range values so as to determine the current state of the preset temperature and pressure sensor;
saving the test current value, the current error value, and the current state.
Optionally, the test equipment is provided with a test accommodating cavity, and if the test item is a temperature pressure performance test, the step of performing a third test on the preset temperature pressure sensor according to the test instruction includes:
adjusting the environmental temperature in the test accommodating cavity to a preset temperature value, and adjusting the environmental air pressure in the test accommodating cavity to a preset air pressure value;
acquiring a test temperature value and a test air pressure value of a preset temperature pressure sensor based on the preset temperature value and the preset air pressure value, and calculating a temperature error value between the test temperature value and the preset temperature value and an air pressure error value between the test air pressure value and the preset air pressure value;
comparing the temperature error value with a preset temperature error value, and comparing the air pressure error value with a preset air pressure error value to determine the temperature pressure state of the preset temperature pressure sensor;
saving the temperature test value, the test air pressure value, the temperature error value, the air pressure error value and the temperature pressure state.
Optionally, the step of adjusting the environmental temperature in the test accommodating cavity to a preset temperature value includes:
acquiring the preset temperature value from the test instruction, and determining a temperature adjusting range according to the preset temperature value;
adjusting the ambient temperature in the test accommodating cavity, and acquiring a real-time temperature value in the test accommodating cavity;
and judging whether the real-time temperature value is within the temperature adjusting range, if not, obtaining the real-time temperature value again after waiting for a preset time until the obtained real-time temperature value is within the temperature adjusting range.
Optionally, the step of adjusting the ambient air pressure in the test accommodating cavity to a preset air pressure value includes:
acquiring the preset air pressure value from the test instruction, and determining an air pressure adjusting range by the preset air pressure value;
adjusting the ambient air pressure in the test accommodating cavity, and acquiring a real-time air pressure value in the test accommodating cavity;
and judging whether the real-time air pressure value is within the air pressure adjusting range, if not, waiting for a preset time and then acquiring the real-time air pressure value again until the acquired real-time air pressure value is within the air pressure adjusting range.
Optionally, the preset air pressure value and the preset temperature value may be multiple, and the step after saving the test air pressure value, the air pressure error value and the temperature pressure state includes:
determining whether the preset air pressure value is a final preset air pressure value and whether the preset temperature value is a final preset temperature value;
if the preset air pressure value is the final preset air pressure value and the preset temperature value is the final preset temperature value, the test is finished, and the temperature return treatment and the pressure relief treatment are carried out on the test accommodating cavity.
In addition, in order to achieve the above object, the present invention also provides a temperature and pressure sensor testing apparatus, comprising:
the configuration module is used for acquiring configuration conditions input by a user and configuring the test equipment according to the configuration conditions;
the detection module is used for acquiring a detection instruction input by a user and detecting the connection state of the test equipment according to the detection instruction;
and the test module is used for acquiring a test instruction input by a user if the test equipment is successfully connected, determining a test item according to the test instruction, and testing a preset temperature and pressure sensor based on the test item.
Optionally, the test module includes:
the first testing submodule is used for carrying out first testing on the preset temperature and pressure sensor according to the testing instruction if the testing item is a multi-performance test;
the second testing submodule is used for carrying out second testing on the preset temperature and pressure sensor according to the testing instruction if the testing item is a circuit performance test;
and the third testing submodule is used for carrying out third testing on the preset temperature and pressure sensor according to the testing instruction if the testing item is a temperature and pressure performance test.
Optionally, the second test submodule includes:
the current obtaining unit is used for obtaining a test current value of the preset temperature and pressure sensor;
a current state determination unit for determining whether the test current value is between preset current range values, thereby determining a current state of the preset temperature and pressure sensor;
a first saving unit for saving the test current value, the current error value and the current state.
Optionally, the third test submodule includes:
the control unit is used for adjusting the environmental temperature in the test accommodating cavity to a preset temperature value and adjusting the environmental air pressure in the test accommodating cavity to a preset air pressure value;
the temperature and air pressure acquisition unit is used for acquiring a test temperature value and a test air pressure value of a preset temperature and pressure sensor based on the preset temperature value and the preset air pressure value, and calculating a temperature error value between the test temperature value and the preset temperature value and an air pressure error value between the test air pressure value and the preset air pressure value;
the temperature and air pressure state determining unit is used for comparing the temperature error value with a preset temperature error value and comparing the air pressure error value with a preset air pressure error value so as to determine the temperature and pressure state of the preset temperature and pressure sensor;
and the second storage unit is used for storing the temperature test value, the test air pressure value, the temperature error value, the air pressure error value and the temperature pressure state.
Optionally, the control unit includes:
the temperature obtaining subunit is configured to obtain the preset temperature value from the test instruction, and determine a temperature adjustment range according to the preset temperature value;
the first control subunit is used for adjusting the environmental temperature in the test accommodating cavity and acquiring a real-time temperature value in the test accommodating cavity;
and the first judgment subunit is used for judging whether the real-time temperature value is within the temperature regulation range, if not, obtaining the real-time temperature value again after waiting for preset time until the obtained real-time temperature value is within the temperature regulation range.
Optionally, the control unit further includes:
the air pressure obtaining subunit is used for obtaining the preset air pressure value from the test instruction, and the preset air pressure value determines an air pressure adjusting range;
the second control subunit is used for adjusting the ambient air pressure in the test accommodating cavity and acquiring a real-time air pressure value in the test accommodating cavity;
and the second judgment subunit is used for judging whether the real-time air pressure value is within the air pressure regulation range, and if not, obtaining the real-time air pressure value again after waiting for a preset time until the obtained real-time air pressure value is within the air pressure regulation range.
Optionally, the temperature and pressure sensor testing apparatus further includes:
a determining unit, configured to determine whether the preset air pressure value is a final preset air pressure value and whether the preset temperature value is a final preset temperature value;
and the pressure relief processing unit is used for finishing the test and carrying out temperature return processing and pressure relief processing on the test accommodating cavity if the preset air pressure value is the final preset air pressure value and the preset temperature value is the final preset temperature value.
The embodiment of the invention provides a temperature and pressure sensor testing method, equipment, a device and a storage medium. Compared with the prior art, when the pressure sensor is tested, the test equipment needs to be adjusted and replaced according to the model, the performance parameters and the like of the pressure sensor, and only one performance parameter of the pressure sensor can be tested in each test period, the test equipment is automatically configured according to the configuration conditions by acquiring the configuration conditions input by a user, the connection state of the test equipment is automatically detected according to the detection instructions input by the user, the troubleshooting time of a fault source is reduced, if the test equipment is successfully connected, the test items are determined according to the test instructions input by the user, the test items can comprise the performance parameters of a plurality of temperature and pressure sensors, and the temperature and pressure sensors are tested based on the test items, namely the test equipment can test the performance parameters of the temperature and pressure sensors in one test period, therefore, the testing efficiency is improved, and meanwhile, the connection state of the testing equipment is automatically detected, so that the testing equipment can be ensured to normally operate during testing, and the testing accuracy is improved.
Drawings
FIG. 1 is a schematic diagram of a terminal \ device structure of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a first exemplary embodiment of a method for testing a temperature and pressure sensor according to the present invention;
FIG. 3 is a schematic flow chart illustrating a method for testing a temperature and pressure sensor according to a second embodiment of the present invention;
fig. 4 is a schematic view of a testing device for a temperature and pressure sensor according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The axis motion configuration terminal (also called terminal, equipment or terminal equipment) in the embodiment of the invention can be a PC (personal computer), and can also be a mobile terminal equipment with a display function, such as a smart phone, a tablet computer, a portable computer and the like.
As shown in fig. 1, the terminal may include: a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Optionally, the terminal may further include a camera, a Radio Frequency (RF) circuit, a sensor, an audio circuit, a WiFi module, and the like. Such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display screen according to the brightness of ambient light, and a proximity sensor that may turn off the display screen and/or the backlight when the mobile terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), detect the magnitude and direction of gravity when the mobile terminal is stationary, and can be used for applications (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer and tapping) and the like for recognizing the attitude of the mobile terminal; of course, the mobile terminal may also be configured with other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which are not described herein again.
Those skilled in the art will appreciate that the terminal structure shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include therein programs of an operating system, a network communication module, a user interface module, and a temperature and pressure sensor test method.
In the terminal shown in fig. 1, the network interface 1004 is mainly used for connecting to a backend server and performing data communication with the backend server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be configured to call a program of the temperature and pressure sensor test method stored in the memory 1005, which when executed by the processor, implements the operations in the temperature and pressure sensor test method provided by the embodiments described below.
Based on the hardware structure of the equipment, the embodiment of the temperature and pressure sensor testing method is provided.
Referring to fig. 2, a first embodiment of the present invention provides a temperature and pressure sensor testing method, including:
step S10, obtaining configuration conditions input by a user, and configuring the test equipment according to the configuration conditions;
step S20, acquiring a detection instruction input by a user, and detecting the connection state of the test equipment according to the detection instruction;
and step S30, if the test equipment is successfully connected, obtaining a test instruction input by a user, determining a test item according to the test instruction, and testing a preset temperature and pressure sensor based on the test item.
Specifically, step S10, obtaining a configuration condition input by a user, and configuring the test device according to the configuration condition;
in this embodiment, it should be noted that the method may be applied to a temperature and pressure sensor testing system, where the temperature and pressure sensor testing system belongs to a temperature and pressure sensor testing device, a test accommodating cavity, an air pressure controller, a temperature controller, a current measuring circuit, and the like are arranged in the temperature and pressure sensor testing system, the air pressure controller is used for controlling and measuring an ambient air pressure value in the test accommodating cavity in real time, the temperature controller is used for controlling and measuring an ambient temperature value in the accommodating cavity in real time, the current measuring circuit is used for measuring a current value of the preset temperature and pressure sensor, and the configuration conditions include a model, a test item, and the like of the sensor to be tested.
The configuration conditions can be input by a user on a configuration interface in the temperature and pressure sensor testing system, the testing items can be preset on the configuration interface, the temperature and pressure sensor testing system can determine performance parameters needing to test the sensor to be tested by acquiring a selection instruction input by the user, and the performance parameters comprise circuit performance parameters, temperature and pressure performance parameters and the like. The temperature and pressure sensor testing system automatically configures testing equipment according to the configuration conditions input by a user, the testing equipment can be preset, the temperature and pressure sensor testing system determines equipment needing to be started as the testing equipment according to the configuration conditions, and sends confirmation information to the user after the testing equipment is determined, for example, does the testing equipment confirm and perform configuration? ", the confirmation information includes the test device list, a change button is arranged in the test device list, if yes button is clicked by the user, the test device is automatically started by the temperature and pressure sensor test system, if no, a change instruction of the user is obtained, the user can trigger the change instruction by clicking the change button, and simultaneously obtain the change device selected by the user in the test device list, and give an alternative list of the change device, the alternative list is a preset device list with functions similar to those of the change device selected by the user, the user can select a target device in the alternative list to replace the change device, it needs to be noted that the user can change a plurality of devices in the test device at the same time, and trigger a configuration instruction by clicking the configuration button, and the temperature and pressure sensor testing system starts the unchanged equipment and the target equipment in the testing equipment according to the configuration instruction triggered by the user, namely the user-defined configuration of the testing equipment is supported.
Step S20, acquiring a detection instruction input by a user, and detecting the connection state of the test equipment according to the detection instruction;
the configuration interface is provided with a detection button, a user can trigger a detection instruction by clicking the detection button, the temperature and pressure sensor test system automatically detects the connection state of the test equipment according to the detection instruction, if the test equipment is connected with an error, error information is displayed, the error information comprises fault equipment, fault reasons, corrective measures and the like, the user can quickly position the fault equipment according to the error information, and directly adjust or replace the fault equipment without checking fault sources one by one.
And step S30, if the test equipment is successfully connected, obtaining a test instruction input by a user, determining a test item according to the test instruction, and testing a preset temperature and pressure sensor based on the test item.
If the test equipment is successfully connected, obtaining a test instruction input by a user, where the test instruction includes the number of test values, a preset value of the test item, and the like, where the preset value may be set by the user according to actually required performance parameters of the temperature and pressure sensor, and the preset value includes a preset temperature value, a preset air pressure value, a preset temperature error value, a preset air pressure error value, and the like, for example, when the user needs a temperature and pressure sensor whose measurement error is not more than 1Pa (pressure intensity unit) at a temperature of 23 ℃ (temperature unit), when the temperature is 23 ℃, the preset air pressure value in the test instruction obtained by the temperature and pressure sensor test system is 100Pa, and the preset air pressure error value is 1Pa, and when a measured value of the sensor to be tested is between 99Pa and 101Pa, the sensor to be tested is qualified. The number of the test values is the same as that of the preset values of the test items, the temperature and pressure sensor test system firstly obtains the number of the test values input by a user, and obtains the preset values of the same number filled by the user according to the number of the test values. The test equipment is provided with a test board, the test board is connected with the test equipment and is used for communication or information exchange between the temperature and pressure sensor test equipment, for example, a temperature and pressure sensor test system obtains a test value of the air pressure controller through the test board or transmits the preset value to the air pressure controller through the test board.
The testing of the preset temperature and pressure sensor based on the test items comprises the steps of A1-A3:
step A1, if the test item is a multi-performance test, performing a first test on the preset temperature and pressure sensor according to the test instruction;
the preset temperature pressure sensor is a temperature pressure sensor to be tested, the test items comprise a circuit performance test, a temperature pressure performance test, a multi-performance test and the like, the test items can be options preset by the configuration interface, a user selects corresponding options to determine the test items by clicking, if more than two options are obtained by the user, the multi-performance test is obtained, the multi-performance test comprises the steps of testing a plurality of performance parameters selected by the user in a test period according to preset rules without interrupting the test to adjust or replace equipment, for example, if a temperature pressure sensor test system obtains that the user simultaneously selects the circuit performance test and the temperature pressure performance test, the circuit performance is tested firstly according to the preset rules, then the temperature pressure performance is tested without testing the circuit performance, adjusting or replacing the device. And the temperature and pressure sensor testing system acquires the testing value quantity and the preset value of all performance parameters needing to be tested, which are input by a user, before starting testing.
Step A2, if the test item is a circuit performance test, performing a second test on the preset temperature and pressure sensor according to the test instruction;
and if the circuit performance test selected by the user from the test items is obtained, performing a second test on the preset temperature and pressure sensor according to the test instruction, wherein the purpose of the second test is to check whether the circuit performance of the preset temperature and pressure sensor is qualified.
And step A3, if the test item is a temperature pressure performance test, performing a third test on the preset temperature pressure sensor according to the test instruction.
And if the temperature and pressure performance test selected by the user from the test items is obtained, performing a third test on the preset temperature and pressure sensor according to the test instruction, wherein the purpose of the third test is to check whether the temperature and pressure performance of the preset temperature and pressure sensor is qualified.
If the test item is a circuit performance test, performing a second test on the preset temperature and pressure sensor according to the test instruction, including steps B1-B3:
step B1, obtaining a test current value of the preset temperature and pressure sensor;
and the temperature and pressure sensor testing system acquires the preset current range value according to the testing instruction input by the user, and acquires the testing current value of the preset temperature and pressure sensor through the testing board.
Step B2, determining whether the test current value is between preset current range values, thereby determining the current state of the preset temperature and pressure sensor;
the current state includes a current pass and a current fail, the temperature and pressure sensor testing system obtains the preset current range value from the testing instruction, the preset current range value is, for example, 0.6A-0.7A (current unit), the current of the temperature and pressure sensor in the working state is not necessarily a constant value, and may be constantly changed, but the current value must be between the allowable current range values, which may cause a fault such as a circuit short circuit, according to a usage scenario, the current range value of the temperature and pressure sensor, that is, the preset current range value, may be determined, so it is necessary to determine whether the testing current value is between the preset current range values, if the testing current value is not between the preset current range values, the current state of the preset temperature and pressure sensor is a fail, if the testing current value is between the preset current range values, the current state of the preset temperature and pressure sensor is qualified, that is, the circuit performance of the preset sensor is qualified.
Step B3, saving the test current value, the current error value and the current status.
The current range value of the preset temperature and pressure sensor during working is fixed, whether the circuit performance of the preset sensor is qualified or not can be judged through the test current value, a user can simultaneously measure a plurality of preset sensors, the temperature and pressure sensor test system integrates the test current value, the current error value, the current state, the preset current value and the preset current error value after the test is finished and stores the integrated values as a current test table, and the user can quickly screen out the unqualified preset temperature and pressure sensor through the current test table.
In this embodiment, the configuration condition input by the user is acquired, the test equipment is automatically configured according to the configuration condition, the connection state of the test equipment is automatically detected according to the detection instruction input by the user, the troubleshooting time of a fault source is reduced, if the test equipment is successfully connected, a test item is determined according to the test instruction input by the user, the test item can comprise performance parameters of a plurality of temperature and pressure sensors, the temperature and pressure sensors are tested based on the test item, namely, the performance parameters of the temperature and pressure sensors can be tested in one test period, so that the test efficiency is improved, and meanwhile, the connection state of the test equipment is automatically detected, so that the test equipment can normally operate during testing, and the test accuracy is improved.
Further, referring to fig. 3, a second embodiment of the present invention provides a method for testing a temperature and pressure sensor, wherein if the test item is a temperature and pressure performance test, a third test is performed on the preset temperature and pressure sensor according to the test command, including steps S11-S14:
step S11, adjusting the environmental temperature in the test accommodating cavity to a preset temperature value, and adjusting the environmental air pressure in the test accommodating cavity to a preset air pressure value;
the temperature and pressure sensor testing system obtains the preset temperature value and the preset air pressure value from the testing instruction, and controls the temperature controller and the air pressure controller through the testing board so as to adjust the environmental temperature in the testing accommodating cavity to the preset temperature value and adjust the environmental air pressure in the testing accommodating cavity to the preset air pressure value.
Adjusting the environmental temperature in the test accommodating cavity to a preset temperature value comprises the following steps of C1-C3:
step C1, acquiring the preset temperature value from the test instruction, and determining a temperature adjusting range according to the preset temperature value;
temperature pressure sensor test system follows acquire in the test instruction preset temperature value, preset temperature value can be a plurality ofly, according to preset temperature value confirms temperature control range, temperature controller is adjusting during the ambient temperature of test holding intracavity, owing to acquire real-time temperature value and need wait for preset time, and need with preset temperature value carries out the comparison, can cause temperature control instruction to have certain time delay, can't guarantee with the ambient temperature of test holding intracavity adjust to with preset temperature value equals completely, consequently, need be according to preset temperature value confirms a temperature control range, temperature control range can be set by user-defined, also can be according to preset temperature value with test instruction confirms. The determining the temperature adjustment range according to the preset temperature value and the test instruction may be that a user sets a first preset value in the test instruction, an upper limit value of the temperature adjustment range is the preset temperature value plus the first preset value, and a lower limit value of the temperature adjustment range is the preset temperature value minus the first preset value, for example, when the preset temperature value is 23 ℃, the first preset value is 0.1 ℃, and the temperature adjustment range is 22.9 ℃ to 23.1 ℃. When the temperature controller adjusts the environmental temperature in the test accommodating cavity, when the temperature controller acquires that the real-time temperature value reaches the lower limit of the temperature adjusting range, an instruction for stopping temperature adjustment is triggered, and the preset temperature value and the temperature adjusting range are transmitted to the temperature controller through the test board.
Step C2, adjusting the environment temperature in the test accommodating cavity, and acquiring a real-time temperature value in the test accommodating cavity;
the temperature controller starts to adjust the temperature value in the test accommodating cavity after receiving the preset temperature value of the test board, the temperature controller is provided with a temperature detector, the temperature controller acquires the real-time temperature value in the test accommodating cavity by using the temperature detector, and feeds the real-time temperature value back to the temperature pressure sensor test system through the test board.
And step C3, judging whether the real-time temperature value is in the temperature adjusting range, if not, obtaining the real-time temperature value again after waiting for a preset time until the obtained real-time temperature value is in the temperature adjusting range.
Temperature and pressure sensor test system receives behind the real-time temperature value, judge whether real-time temperature value is in the temperature regulation scope, if, then pass through survey test panel to temperature controller sends the instruction of stopping adjusting, temperature controller receives the instruction of stopping adjusting back, stops promptly and adjusts test the ambient temperature of holding intracavity, if real-time temperature value is not in the temperature regulation scope, temperature and pressure sensor test system passes through survey test panel to temperature controller sends the wait instruction, controls after the temperature controller waits for the preset time, acquire again the real-time temperature value. Because temperature controller will the ambient temperature in the test holding intracavity is adjusted to preset the temperature value and needs the fixed time, consequently temperature controller needs every preset time to acquire once when carrying out temperature adjustment the ambient temperature value of test holding intracavity, promptly real-time temperature value, and will real-time temperature value passes through survey test panel and sends for temperature pressure sensor test system, until real-time temperature value is in the temperature control range, temperature controller stops to acquire real-time temperature value, and maintains the ambient temperature of test holding intracavity is in the temperature control range, then will the ambient pressure of test holding intracavity is adjusted to preset atmospheric pressure value. It should be noted that there is a preset temperature adjustment time for adjusting the ambient temperature in the test accommodating cavity, and if the real-time temperature value does not reach the temperature adjustment range within the preset temperature adjustment time, an instruction for stopping temperature adjustment is triggered, and fault diagnosis is performed on the temperature controller to determine whether the temperature controller is an equipment fault.
The step of adjusting the ambient air pressure in the test accommodating cavity to the preset air pressure value comprises the steps of D1-D3:
step D1, obtaining the preset air pressure value from the test instruction, and determining the air pressure adjusting range by the preset air pressure value;
temperature pressure sensor test system follow acquire in the test instruction preset atmospheric pressure value, it can be a plurality of to preset atmospheric pressure value, according to preset atmospheric pressure value confirms atmospheric pressure control range, with temperature regulation with the same reason, atmospheric pressure controller is adjusting during the environmental pressure of test holding intracavity, owing to acquire real-time atmospheric pressure value and need wait for the time of predetermineeing, and need with preset atmospheric pressure value compares, can cause atmospheric pressure control instruction to have certain time delay, can't guarantee with the environmental pressure regulation of test holding intracavity reaches with preset atmospheric pressure value equals completely, consequently, need according to preset atmospheric pressure value confirms an atmospheric pressure control range, temperature control range can be by user-defined setting, also can be according to preset temperature value with test instruction confirms. The determining the temperature adjustment range according to the preset temperature value and the test instruction may be that a user sets a second preset value in the test instruction, an upper limit value of the air pressure adjustment range is obtained by adding the second preset value to the preset air pressure value, and a lower limit value of the air pressure adjustment range is obtained by subtracting a smaller preset value from the preset air pressure value, for example, when the preset air pressure value is 100Pa, the preset value is 0.2Pa, and the air pressure adjustment range is 99.8Pa to 100.2 Pa. When the air pressure controller adjusts the environmental air pressure in the test accommodating cavity, when the air pressure controller obtains that the real-time air pressure value reaches the lower limit of the temperature adjusting range, an instruction for stopping air pressure adjustment is triggered, and the preset air pressure value and the air pressure adjusting range are sent to the air pressure controller through the test board.
Step D2, adjusting the ambient air pressure in the test accommodating cavity, and acquiring a real-time air pressure value in the test accommodating cavity;
the atmospheric pressure controller is receiving after predetermineeing the atmospheric pressure value, begin to adjust the environmental pressure of test holding intracavity, atmospheric pressure controller is equipped with the atmospheric pressure detector, atmospheric pressure controller utilizes the atmospheric pressure detector acquires the real-time atmospheric pressure value of test holding intracavity to will through survey the board will real-time atmospheric pressure value sends for temperature pressure sensor test system.
And D3, judging whether the real-time air pressure value is within the air pressure adjusting range, if not, waiting for a preset time and then acquiring the real-time air pressure value again until the acquired real-time air pressure value is within the air pressure adjusting range.
The temperature and pressure sensor testing system judges whether the real-time air pressure value is in the air pressure adjusting range after receiving the real-time air pressure value, if so, the real-time air pressure value is not in the air pressure adjusting range, the temperature and pressure sensor testing system sends a command of stopping adjustment to the air pressure controller, the air pressure controller stops adjusting after receiving the command of stopping adjustment to test the environmental air pressure in the accommodating cavity, if not, the temperature and pressure sensor testing system sends a waiting command to the air pressure controller through the testing board to control the air pressure controller to acquire the real-time air pressure value again after waiting for the preset time until the real-time air pressure value is acquired to be equal to the preset air pressure value. Because the atmospheric pressure controller will the environmental pressure of test holding intracavity is adjusted to preset warm atmospheric pressure needs the certain time, consequently when atmospheric pressure controller was adjusting, need every preset time acquire the environmental pressure value of test holding intracavity, promptly real-time atmospheric pressure value, and will real-time atmospheric pressure value passes through survey the board and send for temperature and pressure sensor test system, until real-time atmospheric pressure value reaches in the atmospheric pressure control range, atmospheric pressure controller stops to acquire real-time atmospheric pressure value, and maintains the environmental pressure of test holding intracavity is in the atmospheric pressure control range. It should be noted that, similarly to the temperature adjustment, there is a preset air pressure adjustment time for adjusting the ambient air pressure in the test accommodating chamber, and if the real-time air pressure value does not reach the air pressure adjustment range within the preset air pressure adjustment time, an instruction for stopping the air pressure adjustment is triggered, and a fault diagnosis is performed on the air pressure controller to determine whether the equipment fault occurs.
Step S12, based on the preset temperature value and the preset air pressure value, obtaining a test temperature value and a test air pressure value of a preset temperature pressure sensor, and calculating a temperature error value between the test temperature value and the preset temperature value and an air pressure error value between the test air pressure value and the preset air pressure value;
when the temperature in the test accommodating cavity is the preset temperature value, the temperature and pressure sensor test system obtains a test temperature value and a test air pressure value of the preset temperature sensor through the test board, calculates a temperature error value between the test temperature value and the preset temperature value and an air pressure error value between the test air pressure value and the preset air pressure value, wherein the temperature error value is an absolute value of a difference value between the test temperature value and the preset temperature value, and the air pressure error value is an absolute value of a difference value between the test air pressure value and the preset air pressure value.
Step S13, comparing the temperature error value with a preset temperature error value, and comparing the air pressure error value with a preset air pressure error value to determine a temperature pressure state of the preset temperature pressure sensor;
the temperature pressure state comprises a qualified temperature pressure state and a unqualified temperature pressure state, the temperature pressure sensor testing system determines the temperature pressure state of the preset temperature pressure sensor by comparing the air pressure error value with the preset air pressure error value, if the air pressure error value is smaller than the preset air pressure error value, the temperature pressure state of the preset sensor is qualified, if the air pressure error value is larger than the preset air pressure error value, the temperature pressure state of the preset sensor is unqualified, namely the temperature pressure performance of the preset temperature pressure sensor is unqualified. Due to the requirement for the accuracy of the temperature and pressure sensing, when a certain temperature or pressure value is tested, the error between the test result and the true value is required to not exceed a preset error value, for example, the preset error value of the required temperature is 0.1 ℃, the preset error value of the air pressure is 0.5Pa, when the temperature is 23 ℃ and the air pressure value is 100Pa, the preset temperature is 23 ℃, the preset air pressure value is 100Pa, and if the test result of the temperature and pressure sensor is 22.95 ℃, 100.1Pa, the temperature error value is 0.05 ℃, the air pressure error value is 0.1Pa, both of which are smaller than the preset error value, the temperature and pressure state of the preset temperature and pressure sensor can be determined to be qualified.
Step S14, saving the temperature test value, the test air pressure value, the temperature error value, the air pressure error value, and the temperature pressure state.
It should be noted that, this application can be tested a plurality of temperature pressure sensor simultaneously, and not in proper order to the test of temperature and pressure, is having a plurality of predetermine the temperature value with when predetermineeing the atmospheric pressure value, can adjust the atmospheric pressure value first predetermined temperature value earlier, based on first predetermined temperature value is whole predetermine the atmospheric pressure value and test the back, will again predetermine the temperature value and adjust to the second predetermined temperature value, and based on the second is predetermine the temperature pressure value and is whole predetermine the atmospheric pressure value and test, also can adjust the atmospheric pressure value first predetermined atmospheric pressure value earlier, based on first predetermined atmospheric pressure value is whole predetermine the temperature value and test the back, again with the atmospheric pressure value adjustment second predetermined atmospheric pressure value, and based on the second is predetermine the atmospheric pressure value and is whole the temperature default value is tested. After the temperature and pressure sensor testing system obtains the testing temperature value and the testing air pressure value of each preset temperature and pressure sensor, the testing temperature value, the testing air pressure value, the temperature error value, the air pressure error value, the temperature and pressure state, the preset temperature value, the preset air pressure value, the preset temperature error value and the preset air pressure error value are integrated and stored as an air pressure testing table, and a user can quickly screen out the preset temperature and pressure sensors with unqualified temperature and pressure states through the air pressure testing table.
After said saving said test air pressure value, said air pressure error value and said temperature pressure state, steps E1-E2 are included:
step E1, determining whether the preset air pressure value is a final preset air pressure value and whether the preset temperature value is a final preset temperature value;
taking the example of adjusting the temperature to the first preset temperature value, after obtaining the test air pressure value, the temperature and pressure sensor testing system determines whether the preset air pressure value is the final preset air pressure value in the test instruction input by the user, if not, obtains the next preset air pressure value as the second preset air pressure value, sends the second preset air pressure value to the air pressure controller through the test board, after receiving the second preset air pressure value, the air pressure controller adjusts the ambient air pressure in the test accommodating cavity to the second preset air pressure value for testing based on the preset temperature value, so as to improve the test accuracy, and can test the temperature and pressure performance of the preset temperature and pressure sensor by using different preset air pressure values at the same preset temperature value, so as to obtain a plurality of air pressure error values based on the same temperature, the temperature pressure state may be determined by obtaining an average of a plurality of the air pressure error values, comparing the average with the preset air pressure error value, and the like.
If the preset air pressure value is the final preset air pressure value, judging whether the preset temperature value is the final preset temperature value or not, if not, acquiring the next preset temperature value as the second preset temperature value, sending the second preset temperature value to the temperature controller through the test board, adjusting the environment temperature in the test accommodating cavity to be the second preset temperature value after the temperature controller receives the second preset temperature value, testing all the preset air pressure values in the test instruction based on the second preset temperature value, testing all the preset air pressure values of the preset temperature pressure sensor at different temperatures respectively to improve the test accuracy, obtaining a plurality of air pressure error values based on different temperatures, comparing the average value of the plurality of air pressure error values with the preset air pressure error value, and the like, determining the temperature pressure state.
And E2, if the preset air pressure value is the final preset air pressure value and the preset temperature value is the final preset temperature value, ending the test, and carrying out temperature return treatment and pressure relief treatment on the test accommodating cavity.
If the preset air pressure value is the final preset air pressure value and the preset temperature value is the final preset temperature value, the temperature and pressure sensor testing system sends a test finishing instruction to the testing equipment through the testing board, performs temperature returning treatment and pressure relief treatment on the testing accommodating cavity, namely recovers or releases the gas in the testing accommodating cavity, cools or heats the testing accommodating cavity, recovers the ambient air pressure in the testing accommodating cavity to the initial air pressure value, and recovers the ambient temperature in the testing accommodating cavity to the initial temperature, wherein the initial air pressure value can be an atmospheric pressure value, and the initial temperature can be the atmospheric temperature or the indoor temperature of the testing equipment.
In this embodiment, the environmental temperature and the environmental pressure in the test accommodating chamber are respectively adjusted to preset values, and the plurality of temperature and pressure sensors to be tested are simultaneously tested to obtain test temperature values and test pressure values of the plurality of temperature and pressure sensors to be tested based on different temperatures, an error value between the test value and the preset value is calculated and compared with the preset error value to determine whether the temperature and pressure performance of the temperature and pressure sensors to be tested is qualified, i.e. all the preset pressure values of the plurality of temperature and pressure sensors to be tested are simultaneously tested based on different preset temperature values, or all the preset temperature values of the plurality of temperature and pressure sensors to be tested are simultaneously tested based on different preset pressure values to obtain the test temperature values and the test pressure values of the plurality of temperature and pressure sensors to be tested, and calculating an error value between the test value and the preset value, and comparing the error value with a preset error value to determine whether the temperature and pressure sensor to be tested is qualified or not, so that the test efficiency of the temperature and pressure sensor is improved, and meanwhile, the average value of a plurality of error values of the same temperature and pressure sensor can be compared with the preset error value, so that the test accuracy is improved.
Referring to fig. 4, a first embodiment of the present invention provides a testing apparatus for a temperature and pressure sensor, including:
the configuration module 10 is configured to obtain a configuration condition input by a user, and configure the test equipment according to the configuration condition;
the detection module 20 is configured to obtain a detection instruction input by a user, and detect a connection state of the test device according to the detection instruction;
and the test module 30 is configured to, if the test equipment is successfully connected, obtain a test instruction input by a user, determine a test item according to the test instruction, and test a preset temperature and pressure sensor based on the test item.
Optionally, the test module 30 includes:
the first testing submodule is used for carrying out first testing on the preset temperature and pressure sensor according to the testing instruction if the testing item is a multi-performance test;
the second testing submodule is used for carrying out second testing on the preset temperature and pressure sensor according to the testing instruction if the testing item is a circuit performance test;
and the third testing submodule is used for carrying out third testing on the preset temperature and pressure sensor according to the testing instruction if the testing item is a temperature and pressure performance test.
Optionally, the second test submodule includes:
the current obtaining unit is used for obtaining a test current value of the preset temperature and pressure sensor;
a current state determination unit for determining whether the test current value is between preset current range values, thereby determining a current state of the preset temperature and pressure sensor;
a first saving unit for saving the test current value, the current error value and the current state.
Optionally, the third test submodule includes:
the control unit is used for adjusting the environmental temperature in the test accommodating cavity to a preset temperature value and adjusting the environmental air pressure in the test accommodating cavity to a preset air pressure value;
the temperature and air pressure acquisition unit is used for acquiring a test temperature value and a test air pressure value of a preset temperature and pressure sensor based on the preset temperature value and the preset air pressure value, and calculating a temperature error value between the test temperature value and the preset temperature value and an air pressure error value between the test air pressure value and the preset air pressure value;
the temperature and air pressure state determining unit is used for comparing the temperature error value with a preset temperature error value and comparing the air pressure error value with a preset air pressure error value so as to determine the temperature and pressure state of the preset temperature and pressure sensor;
and the second storage unit is used for storing the temperature test value, the test air pressure value, the temperature error value, the air pressure error value and the temperature pressure state.
Optionally, the control unit includes:
the temperature obtaining subunit is configured to obtain the preset temperature value from the test instruction, and determine a temperature adjustment range according to the preset temperature value;
the first control subunit is used for adjusting the environmental temperature in the test accommodating cavity and acquiring a real-time temperature value in the test accommodating cavity;
and the first judgment subunit is used for judging whether the real-time temperature value is within the temperature regulation range, if not, obtaining the real-time temperature value again after waiting for preset time until the obtained real-time temperature value is within the temperature regulation range.
Optionally, the control unit further includes:
the air pressure obtaining subunit is used for obtaining the preset air pressure value from the test instruction, and the preset air pressure value determines an air pressure adjusting range;
the second control subunit is used for adjusting the ambient air pressure in the test accommodating cavity and acquiring a real-time air pressure value in the test accommodating cavity;
and the second judgment subunit is used for judging whether the real-time air pressure value is within the air pressure regulation range, and if not, obtaining the real-time air pressure value again after waiting for a preset time until the obtained real-time air pressure value is within the air pressure regulation range.
Optionally, the temperature and pressure sensor testing apparatus further includes:
a determining unit, configured to determine whether the preset air pressure value is a final preset air pressure value and whether the preset temperature value is a final preset temperature value;
and the pressure relief processing unit is used for finishing the test and performing pressure relief processing on the test accommodating cavity if the preset temperature value is the final preset temperature value.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A temperature and pressure sensor testing method is characterized by comprising the following steps:
acquiring configuration conditions input by a user, and configuring test equipment according to the configuration conditions;
acquiring a detection instruction input by a user, and detecting the connection state of the test equipment according to the detection instruction;
if the test equipment is successfully connected, a test instruction input by a user is obtained, a test item is determined according to the test instruction, and the preset temperature and pressure sensor is tested based on the test item.
2. The method for testing a temperature and pressure sensor according to claim 1, wherein the test items comprise a circuit performance test, a temperature and pressure performance test and a multi-performance test, and the step of testing the preset temperature and pressure sensor based on the test items comprises the steps of:
if the test item is a multi-performance test, performing a first test on the preset temperature and pressure sensor according to the test instruction;
if the test item is a circuit performance test, performing a second test on the preset temperature and pressure sensor according to the test instruction;
and if the test item is a temperature pressure performance test, performing a third test on the preset temperature pressure sensor according to the test instruction.
3. The method for testing a temperature and pressure sensor according to claim 2, wherein if the test item is a circuit performance test, the step of performing a second test on the predetermined temperature and pressure sensor according to the test command comprises:
acquiring a test current value of the preset temperature and pressure sensor;
determining whether the test current value is between preset current range values so as to determine the current state of the preset temperature and pressure sensor;
saving the test current value, the current error value, and the current state.
4. The method for testing a temperature and pressure sensor according to claim 2, wherein the testing device is provided with a test accommodating cavity, and if the test item is a temperature and pressure performance test, the step of performing a third test on the preset temperature and pressure sensor according to the test instruction comprises:
adjusting the environmental temperature in the test accommodating cavity to a preset temperature value, and adjusting the environmental air pressure in the test accommodating cavity to a preset air pressure value;
acquiring a test temperature value and a test air pressure value of a preset temperature pressure sensor based on the preset temperature value and the preset air pressure value, and calculating a temperature error value between the test temperature value and the preset temperature value and an air pressure error value between the test air pressure value and the preset air pressure value;
comparing the temperature error value with a preset temperature error value, and comparing the air pressure error value with a preset air pressure error value to determine the temperature pressure state of the preset temperature pressure sensor;
saving the temperature test value, the test air pressure value, the temperature error value, the air pressure error value and the temperature pressure state.
5. The method for testing a temperature and pressure sensor according to claim 4, wherein the step of adjusting the ambient temperature in the test accommodation chamber to a preset temperature value comprises:
acquiring the preset temperature value from the test instruction, and determining a temperature adjusting range according to the preset temperature value;
adjusting the ambient temperature in the test accommodating cavity, and acquiring a real-time temperature value in the test accommodating cavity;
and judging whether the real-time temperature value is within the temperature adjusting range, if not, obtaining the real-time temperature value again after waiting for a preset time until the obtained real-time temperature value is within the temperature adjusting range.
6. The method for testing a temperature and pressure sensor according to claim 4, wherein the step of adjusting the ambient air pressure in the test accommodating chamber to a preset air pressure value comprises:
acquiring the preset air pressure value from the test instruction, and determining an air pressure adjusting range by the preset air pressure value;
adjusting the ambient air pressure in the test accommodating cavity, and acquiring a real-time air pressure value in the test accommodating cavity;
and judging whether the real-time air pressure value is within the air pressure adjusting range, if not, waiting for a preset time and then acquiring the real-time air pressure value again until the acquired real-time air pressure value is within the air pressure adjusting range.
7. The method as claimed in claim 4, wherein the preset air pressure value and the preset temperature value are plural, and the step of saving the temperature test value, the test air pressure value, the temperature error value, the air pressure error value and the temperature pressure state comprises:
determining whether the preset air pressure value is a final preset air pressure value and whether the preset temperature value is a final preset temperature value;
if the preset air pressure value is the final preset air pressure value and the preset temperature value is the final preset temperature value, the test is finished, and the temperature return treatment and the pressure relief treatment are carried out on the test accommodating cavity.
8. A temperature-pressure sensor testing device, characterized by comprising:
the configuration module is used for acquiring configuration conditions input by a user and configuring the test equipment according to the configuration conditions;
the detection module is used for acquiring a detection instruction input by a user and detecting the connection state of the test equipment according to the detection instruction;
and the test module is used for acquiring a test instruction input by a user if the test equipment is successfully connected, determining a test item according to the test instruction, and testing a preset temperature and pressure sensor based on the test item.
9. A temperature pressure sensor testing apparatus, characterized by comprising: a memory, a processor and a program stored on the memory for implementing the temperature and pressure sensor testing method, the processor being configured to execute the program for implementing the temperature and pressure sensor testing method to implement the steps of the temperature and pressure sensor testing method according to any one of claims 1 to 7.
10. A storage medium having stored thereon a program for implementing a temperature and pressure sensor testing method, the program being executed by a processor to implement the steps of the temperature and pressure sensor testing method according to any one of claims 1 to 7.
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