CN111556522A - Reliability test method for Internet of things module - Google Patents
Reliability test method for Internet of things module Download PDFInfo
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Abstract
The invention relates to the technical field of testing of Internet of things modules, in particular to a reliability testing method of an Internet of things module, which comprises the following steps: placing at least one Internet of things module in a test box with preset test conditions; the Internet of things module is an Internet of things module with preset identity information; the Internet of things module is connected with a test terminal provided with a test program through a wireless network, and the test program is used for acquiring a test result of the reliability test of the Internet of things module in the test box. According to the reliability testing method of the Internet of things module, after the Internet of things module is placed in the testing box, the reliability test of the Internet of things module is monitored through the testing program, the automatic reliability test of the Internet of things module can be realized, the testing result is known in real time, manual operation is reduced, the timeliness of the function test is improved, and the evaluation precision of the testing result is improved.
Description
Technical Field
The invention relates to the technical field of testing of Internet of things modules, in particular to a reliability testing method of an Internet of things module.
Background
According to the prediction of GSMA Intelligent library, from 2018 to 2025, the number of terminals accessing the consumption Internet of things will increase by 60 hundred million, while the number of terminals accessing the industry Internet of things will increase by 101 hundred million. With the rapid increase of the number of terminals accessed in the internet of things, the application market prospect of the internet of things is wide in the future. Generally, the internet of things module needs to be tested comprehensively in the development process. The reliability life test of the Internet of things module is to place a sample to be tested into professional equipment, such as an incubator, for testing. In the testing process, in order to test whether the quality of the sample to be tested has a problem, the sample to be tested needs to be taken out from the incubator periodically according to requirements, function check is carried out, then the sample is put into the incubator again, and the test is continued, and the process is circulated for multiple times until the reliability life test is completed. Therefore, the test process is very complicated, the workload of a tester is large, and the time point of testing the sample to be tested which has a problem cannot be accurately controlled for a long time due to manual intervention.
Disclosure of Invention
In order to overcome the defects in the prior art, the reliability testing method of the internet of things module provided by the invention can realize automatic reliability testing of the internet of things module, know the testing result in real time, reduce manual operation, improve the timeliness of the function testing and improve the evaluation precision of the testing result.
To achieve the purpose, the invention provides a reliability testing method of an internet of things module by adopting the following technical scheme, which comprises the following steps:
placing at least one Internet of things module in a test box with preset test conditions; the Internet of things module is an Internet of things module with preset identity information;
the Internet of things module is connected with a test terminal provided with a test program through a wireless network, and the test program is used for acquiring a test result of the reliability test of the Internet of things module in the test box.
Preferably, the test result includes a test result when the test duration of the reliability test reaches a preset duration or a test result when the test cycle number accumulation of the reliability test reaches a preset cycle number.
Preferably, the test result includes at least one of signal strength, restart times and network drop times of the internet of things module.
Preferably, the internet of things module with the preset identity information is the internet of things module with the SIM card inserted, and the identity information is the user identification information of the SIM card.
Preferably, the test chamber is an incubator with an additional signal amplifier.
Preferably, each thing networking module all with smart jack electric connection, test procedure is through control smart jack's break-make to the implementation is right the reset test of thing networking module.
Preferably, after the test result of the internet of things module performing the reliability test in the test box is obtained through the test program, the method further includes: the test program confirms whether the test result is in a preset normal range or not; if not, the test program searches the Internet of things module corresponding to the abnormal test result according to the identity information corresponding to the Internet of things module with the abnormal test result.
Preferably, the reliability test is a high-temperature working test, the high-temperature working test executes a JESD 22-A108-B life test standard, the environment temperature of the high-temperature working test is 85 ℃, and the Internet of things module is in a working state when the high-temperature working test is carried out; and marking the test result displayed on the screen of the test terminal when the test duration of the high-temperature working test reaches 168 hours, 336 hours, 500 hours and 1000 hours respectively.
Preferably, the reliability test is a high-temperature high-humidity work test, the high-temperature high-humidity work test executes a JESD22-a110-B life test standard, the environmental temperature of the high-temperature high-humidity work test is 85 ℃ and the environmental humidity is 85%, and the internet of things module is in a working state of being connected with a power supply when the high-temperature high-humidity work test is performed; and marking the test result displayed on the screen of the test terminal when the test duration of the high-temperature high-humidity work test reaches 168 hours, 336 hours, 500 hours and 1000 hours respectively.
Preferably, the reliability test is a temperature cycle working test, the temperature cycle working test executes a JESD22-A104-C life test standard, the environmental temperature range of the temperature cycle working test is-40 ℃ to 85 ℃, the temperature change rate is 6 ℃/min, and the Internet of things module is in a working state without being connected with a power supply when the temperature cycle working test is carried out; and marking the test result displayed on the screen of the test terminal when the test cycle times of the temperature cycle working test reach 168 times, 336 times, 500 times and 668 times respectively.
The invention has the beneficial effects that: a reliability test method of an Internet of things module comprises the following steps: placing at least one Internet of things module in a test box with preset test conditions; the Internet of things module is an Internet of things module with preset identity information; the Internet of things module is connected with a test terminal provided with a test program through a wireless network, and the test program is used for acquiring a test result of the reliability test of the Internet of things module in the test box. According to the reliability testing method of the Internet of things module, after the Internet of things module is placed in the testing box, the reliability test of the Internet of things module is monitored through the testing program, the automatic reliability test of the Internet of things module can be realized, the testing result is known in real time, manual operation is reduced, the timeliness of the function test is improved, and the evaluation precision of the testing result is improved.
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The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic structural diagram illustrating a reliability testing method for an internet of things module according to an embodiment of the present invention;
fig. 2 is a diagram showing a test result of the reliability test method for the internet of things module according to the embodiment of the invention;
the reference numerals are explained below:
1-Internet of things module, 2-incubator, 3-smart jack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a schematic structural diagram of a reliability testing method of an internet of things module 1 according to an embodiment of the present invention is shown. As an example, the reliability testing method for the internet of things module 1 in this embodiment includes:
placing at least one Internet of things module 1 in a test box with preset test conditions; the internet of things module 1 is an internet of things module 1 with preset identity information;
the internet of things module 1 is connected with a test terminal provided with a test program through a wireless network, and the test program acquires a test result of the reliability test of the internet of things module 1 in the test box.
Specifically, the internet of things is an information bearer such as the internet and a traditional telecommunication network. The internet of things is a network which extends and expands a user side of the internet to any article to exchange information and communicate with the article on the basis of the internet. The principle is that the mutual communication between the articles is realized through the Internet by utilizing the Radio Frequency automatic Identification technology (RFID, Radio Frequency Identification) and the wireless data communication technology and the like. The internet of things module 1 is the most important core in the internet of things, is a key link for linking a sensing layer of the internet of things and a network layer, belongs to necessary hardware and cannot be replaced. Data generated by all internet of things terminals need to be gathered in computer network equipment through the internet of things module 1, and then remote control is uniformly performed through a computer. The module design of the internet of things module 1 in the embodiment of the invention needs to meet the working temperature of-40-85 ℃ so as to facilitate the subsequent reliability test.
Specifically, the test program is accessed to an Ali SDK (Software Development Kit, a Software Development Kit, which is a set of Development tools used by Software engineers for establishing application Software for a specific Software package, a Software framework, a hardware platform, an operating system and the like), has a Software Development information reporting function, and can remotely check the state of a sample to be tested (namely, the Internet of things module 1 wirelessly connected with the sample and placed in the test box) in real time after deployment. The test program can also be upgraded by OTA (Over-the-Air Technology), that is, the test terminal downloads the upgrade package on the remote server through the wireless network to upgrade the system or the application.
According to the reliability testing method of the Internet of things module 1, after the Internet of things module 1 is placed in the testing box, the reliability test of the Internet of things module 1 is monitored through the testing program, so that the automatic reliability test of the Internet of things module 1 can be realized, the testing result can be known in real time, manual operation is reduced, the timeliness of the function test is improved, and the evaluation precision of the testing result is improved. And because thing networking module 1 carries out the reliability test period, whole no manual intervention can keep long-term effectively carrying out accurate control to the time point that the sample that tests out to be measured goes out the problem.
In some embodiments, on the basis of the above embodiments, the test result includes a test result when the test duration of the reliability test reaches a preset duration or a test result when the test cycle number of the reliability test cumulatively reaches a preset cycle number.
Specifically, when the test result that the test duration of the reliability test reaches the preset duration corresponds to the internet of things module 1 for the reliability test, the sample to be tested needs to be taken out periodically according to the test duration to perform the scene of function check. When the test result when the test cycle times of the reliability test are accumulated to reach the preset cycle times corresponds to the reliability test of the internet of things module 1, the sample to be tested needs to be taken out periodically according to the accumulated cycle times to carry out the scene of function check.
In some embodiments, on the basis of the above embodiments, the test result includes at least one of the signal strength, the number of rebooting times, and the number of network dropping times of the internet of things module 1.
Specifically, the reliability testing method of the internet of things module 1 according to the embodiment of the present invention adds a state reporting function of a sample to be tested, and the reported information, that is, the test result includes key information such as signal strength, restart times, network drop times, and the like. It should be noted that the test results are only examples, and in practical applications, the test results may also include other results, such as power consumption, and are not described herein again. Specific test results are selectively set according to the working environment in which the internet of things module 1 is often located.
In some embodiments, on the basis of the above embodiments, the internet of things module 1 with the preset identity information is the internet of things module 1 with the SIM card inserted therein, and the identity information is the subscriber identification information of the SIM card.
Specifically, a SIM (Subscriber Identity Module) card is also called a smart card or a Subscriber Identity Module card. It stores the information of digital mobile phone client, encrypted key and the content of user's telephone directory on a computer chip, and can identify the identity of network client. The SIM card is a chip with a microprocessor, which has 5 modules, each module corresponding to a function, specifically a CPU (8 bit/16 bit/32 bit), a program memory ROM, a working memory RAM, a data memory EEPROM and a serial communication unit, and the 5 modules are integrated in one integrated circuit. Of course, the internet of things module 1 may also use the soft SIM function to implement the function of the SIM card.
In some embodiments, on the basis of the above embodiments, the test chamber is an incubator 2 with an additional signal amplifier.
Specifically, the incubator 2, namely the incubator 2, is also called a blast drying oven, is a necessary test device in the fields of aviation, automobiles, household appliances, scientific research and the like, and is used for testing and determining parameters and performances of electricians, electronics and other products and materials after temperature environment changes of high-temperature tests, and whether the parameters and performances can still meet preset requirements or not so as to be used for product design, identification and factory inspection.
Specifically, the signal amplifier is a micro repeater, also called a mobile phone signal amplifier, also called a mobile phone companion. The function of the signal amplifier is to amplify the signal. The signal amplifiers are of various types, wherein an amplifier specially used for amplifying mobile phone signals is a mobile phone signal amplifier and is mainly used for solving the problem of indoor mobile phone signal blind areas. Compared with the base station, the signal amplifier has the advantages of simple structure, less investment, convenient installation and the like, can be widely used in blind areas and weak areas which are difficult to cover, improves the communication quality, solves the problem of call drop, and optimizes a wireless communication network. Set up signal amplifier in incubator 2, let the sample that awaits measuring can receive operator's network, guarantee that thing networking module 1 is lasting stable carries out the reliability test.
Specifically, in the incubator 2 for testing, in order to increase the signal strength inside the incubator 2, an antenna of a signal amplifier needs to be added inside the incubator 2.
In some embodiments, on the basis of the above embodiments, each internet of things module 1 is electrically connected to the smart socket 3, and the test program implements the reset test on the internet of things module 1 by controlling on/off of the smart socket 3.
Specifically, in general, the smart socket 3 is equipped with an induction device, and maintains a charging state after a charger induces a current to a battery, and if the current flow is excessive or when the current remains in a state, the charger is automatically powered off. And the control mode of the intelligent socket 3 is also converted into a wireless network from the traditional physical control, such as Wifi control, namely the on-off function of the intelligent socket 3 can be controlled through an application program installed on the terminal, such as a test program. The intelligent socket 3 is connected to the power supply of the internet of things module 1, so that the sample to be tested, namely the internet of things module 1, can be reset and tested conveniently.
In some embodiments, on the basis of the above embodiments, after the obtaining, by the test program, the test result of the reliability test performed by the internet of things module 1 in the test box, the method further includes: the test program confirms whether the test result is in a preset normal range or not; if not, the test program searches the Internet of things module 1 corresponding to the abnormal test result according to the identity information corresponding to the Internet of things module 1 with the abnormal test result.
Specifically, under a general condition, a plurality of (for example, 10) internet of things modules 1 are placed in a test box at one time for reliability test, so that the time cost is saved, and if an abnormal test result is found in the test process, the reliability test method of the internet of things module 1 according to the embodiment of the invention can automatically find the internet of things module 1 with the abnormal test result through the identity information, thereby conveniently improving the test efficiency of the internet of things module 1 for reliability test and further improving the yield of the internet of things module 1. And the abnormal test result is a test result which is not in a preset normal range.
In some embodiments, on the basis of the above embodiments, the reliability test is a high-temperature operation test, the high-temperature operation test executes a JESD22-a 108-B life test standard, the ambient temperature of the high-temperature operation test is 85 ℃, and the internet of things module 1 is in an operating state when the high-temperature operation test is performed; and marking the test result displayed on the screen of the test terminal when the test duration of the high-temperature working test reaches 168 hours, 336 hours, 500 hours and 1000 hours respectively.
In some embodiments, on the basis of the above embodiments, the reliability test is a high temperature and high humidity operation test, the high temperature and high humidity operation test implements the JESD22-a110-B life test standard, the environmental temperature of the high temperature and high humidity operation test is 85 ℃ and the environmental humidity is 85%, and the internet of things module 1 is in an operating state of being connected with a power supply when the high temperature and high humidity operation test is performed; and marking the test result displayed on the screen of the test terminal when the test duration of the high-temperature high-humidity work test reaches 168 hours, 336 hours, 500 hours and 1000 hours respectively.
In some embodiments, on the basis of the above embodiments, the reliability test is a temperature cycle operation test, the temperature cycle operation test executes JESD22-a104-C life test standard, the temperature cycle operation test has an environmental temperature range of-40 ℃ to 85 ℃ and a temperature change rate of 6 ℃/min (degrees centigrade per minute), and the internet of things module 1 is in an operating state without being connected with a power supply when the temperature cycle operation test is performed; and marking the test result displayed on the screen of the test terminal when the test cycle times of the temperature cycle working test reach 168 times, 336 times, 500 times and 668 times respectively.
Specifically, the above three embodiments respectively correspond to a scenario in which the internet of things module 1 performs a high-temperature operation test, a high-temperature and high-humidity operation test, and a temperature cycle operation test. Fig. 2 is a diagram showing a test result of the reliability testing method for the internet of things module 1 according to the embodiment of the present invention. When the three reliability tests are carried out, if the time point of taking out the sample to be tested periodically for function check is reached, the test result displayed on the screen of the test terminal is marked, for example, the test result is marked by different colors, so that the test can be conveniently consulted by a tester. And the marked time point of the test result corresponds to the time point of the function check of the sample to be tested which is required to be periodically taken out from the incubator 2 by a tester according to the requirement in the traditional manual intervention type reliability test method.
Specifically, in addition to setting the working state of the sample to be detected automatically according to the standards of the high-temperature operation test execution JESD22-a 108-B life test and the standards of the high-temperature high-humidity operation test execution JESD22-a110-B life test, the period of automatically detecting the state of the sample to be detected can be set according to the test design requirements. The shorter the period for detecting the state of the sample to be tested, the more accurate the evaluation of the test result. Under the two test conditions, the tester can flexibly define the detection period according to the actual condition of the sample to be tested, and the evaluation precision of the test result is increased.
According to the reliability test method of the Internet of things module 1, all the function tests of the sample to be tested are automatically executed by the test program, and the test result is reported to the cloud through the network and is displayed in real time. By using the scheme of the embodiment of the invention to deploy the reliability test, a tester is not required to confirm the sample to be tested at all times, but the state of the sample to be tested can be remotely checked, and meanwhile, the reset operation can be remotely carried out on the sample to be tested.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
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. A reliability test method of an Internet of things module is characterized by comprising the following steps:
placing at least one Internet of things module (1) in a test box with preset test conditions; the Internet of things module (1) is an Internet of things module (1) with preset identity information;
the internet of things module (1) is connected with a test terminal provided with a test program through a wireless network, and the test program acquires a test result of the internet of things module (1) in a reliability test in the test box.
2. The method for testing the reliability of the internet of things module as claimed in claim 1, wherein the test results include test results when the test duration of the reliability test reaches a preset duration or test results when the test cycle number of the reliability test is accumulated to reach a preset cycle number.
3. The reliability test method of the internet of things module according to claim 1, wherein the test result comprises at least one of signal strength, restart times and network drop times of the internet of things module (1).
4. The reliability test method of the internet of things module as claimed in claim 1, wherein the internet of things module (1) with the preset identity information is the internet of things module (1) with an inserted SIM card, and the identity information is the subscriber identification information of the SIM card.
5. The reliability test method of the internet of things module as claimed in claim 1, wherein the test box is an incubator (2) added with a signal amplifier.
6. The reliability test method of the internet of things module as claimed in claim 1, wherein each internet of things module (1) is electrically connected with a smart socket (3), and the test program controls the smart socket (3) to be turned on or off so as to implement the reset test of the internet of things module (1).
7. The reliability testing method of the internet of things module according to claim 1, wherein after the obtaining the testing result of the reliability test of the internet of things module (1) in the testing box through the testing program, the method further comprises: the test program confirms whether the test result is in a preset normal range or not; if not, the test program searches the Internet of things module (1) corresponding to the abnormal test result according to the identity information corresponding to the Internet of things module (1) having the abnormal test result.
8. The reliability test method of the internet of things module as claimed in claim 1, wherein the reliability test is a high temperature operation test, the high temperature operation test executes a JESD22-a 108-B life test standard, the environment temperature of the high temperature operation test is 85 ℃, and the internet of things module (1) is in an operating state when the high temperature operation test is performed; and marking the test result displayed on the screen of the test terminal when the test duration of the high-temperature working test reaches 168 hours, 336 hours, 500 hours and 1000 hours respectively.
9. The reliability test method of the internet of things module as claimed in claim 1, wherein the reliability test is a high temperature and high humidity operation test, the high temperature and high humidity operation test implements a JESD22-a110-B life test standard, the environmental temperature of the high temperature and high humidity operation test is 85 ℃ and the environmental humidity is 85%, and the internet of things module (1) is in a working state of being connected with a power supply when the high temperature and high humidity operation test is performed; and marking the test result displayed on the screen of the test terminal when the test duration of the high-temperature high-humidity work test reaches 168 hours, 336 hours, 500 hours and 1000 hours respectively.
10. The reliability test method of the Internet of things module as claimed in claim 1, wherein the reliability test is a temperature cycle operation test, the temperature cycle operation test executes a JESD22-A104-C life test standard, the temperature cycle operation test has an environmental temperature range of-40 ℃ to 85 ℃ and a temperature change rate of 6 ℃/min, and the Internet of things module (1) is in a working state without being connected with a power supply when the temperature cycle operation test is performed; and marking the test result displayed on the screen of the test terminal when the test cycle times of the temperature cycle working test reach 168 times, 336 times, 500 times and 668 times respectively.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791251A (en) * | 2021-11-15 | 2021-12-14 | 新恒汇电子股份有限公司 | Method, device and product for detecting failure of SIM card |
| CN114257509A (en) * | 2021-12-31 | 2022-03-29 | 陕西天基通信科技有限责任公司 | Module upgrading method and device, storage medium and electronic device |
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