CN116973222A - Pressure detection method, device, test system and medium based on pressure test board - Google Patents

Pressure detection method, device, test system and medium based on pressure test board Download PDF

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Publication number
CN116973222A
CN116973222A CN202310827557.1A CN202310827557A CN116973222A CN 116973222 A CN116973222 A CN 116973222A CN 202310827557 A CN202310827557 A CN 202310827557A CN 116973222 A CN116973222 A CN 116973222A
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China
Prior art keywords
pressure
test
sensors
plate
pressure test
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CN202310827557.1A
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Chinese (zh)
Inventor
李俊
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Shenzhen Anhengda Electric Co ltd
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Shenzhen Anhengda Electric Co ltd
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Priority to CN202310827557.1A priority Critical patent/CN116973222A/en
Publication of CN116973222A publication Critical patent/CN116973222A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The application relates to a pressure test technology, and discloses a pressure detection method based on a pressure test plate, which comprises the following steps: controlling a preset pressure test plate to squeeze a test product, wherein the pressure test plate is longitudinally provided with at least three rows of pressure sensors and transversely provided with at least three rows of pressure sensors; and acquiring pressure data detected by each pressure sensor on the pressure test board, and generating a test result. The application also discloses a pressure detection device, a test system and a computer readable storage medium. The application improves the accuracy of acquiring the pressure data of each point of the test plane of the test product.

Description

Pressure detection method, device, test system and medium based on pressure test board
Technical Field
The present application relates to the field of pressure testing technologies, and in particular, to a pressure testing method, a pressure testing device, a testing system and a computer readable storage medium based on a pressure testing board.
Background
In the prior art, a pressure test board is often required to perform planar pressure test on products (such as mobile phones, flat panel and other electronic products). The pressure test board used at present is generally provided with a plurality of pressure sensors transversely, and the pressure test board is used for carrying out plane pressure test on a test product, so that the obtained plane pressure data can not accurately reflect the actual pressure condition of each point of the test plane (namely, the condition of partial condition exists).
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present application and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The application mainly aims to provide a pressure detection method, a pressure detection device, a test system and a computer readable storage medium based on a pressure test board, aiming at improving the accuracy of acquiring pressure data of each point of a test plane of a test product.
In order to achieve the above object, the present application provides a pressure detection method based on a pressure test board, comprising the steps of:
controlling a preset pressure test plate to squeeze a test product, wherein the pressure test plate is longitudinally provided with at least three rows of pressure sensors and transversely provided with at least three rows of pressure sensors;
and acquiring pressure data detected by each pressure sensor on the pressure test board, and generating a test result.
Optionally, at least three ranging sensors are arranged on the pressure measuring plate, and the at least three ranging sensors are arranged in a triangular arrangement; before the step of controlling the preset pressure test plate to squeeze the test product, the method further comprises the following steps:
and utilizing at least three ranging sensors arranged on the pressure measuring plate to range the tested product, and adjusting the angle of the mechanical arm for clamping the pressure measuring plate according to ranging data so as to enable the pressure measuring plate to be parallel to the testing surface of the tested product.
Optionally, the pressure sensor and the ranging sensor are staggered on the pressure test board.
Optionally, the number of the pressure test boards is two, and the two pressure test boards move in opposite directions to perform pressure test on the test product between the two pressure test boards.
Optionally, after the step of obtaining the pressure data detected by each pressure sensor on the pressure test board and generating the test result, the method further includes:
and carrying out three-dimensional modeling on the test product, and displaying the test result on the model.
In order to achieve the above object, the present application also provides a pressure detecting device including:
the control module is used for controlling a preset pressure test plate to squeeze a test product, wherein the pressure test plate is longitudinally provided with at least three rows of pressure sensors, and is transversely provided with at least three rows of pressure sensors;
and the output module is used for acquiring the pressure data detected by each pressure sensor on the pressure test board and generating a test result.
In order to achieve the above object, the present application further provides a test system, which includes a pressure test board and a computer device, wherein the pressure test board is in communication connection with the computer device and is controlled by the computer device; wherein, the pressure test board is longitudinally provided with at least three rows of pressure sensors and transversely provided with at least three rows of pressure sensors; the computer device includes: the pressure detection device comprises a memory, a processor and a pressure detection program based on a pressure test board, wherein the pressure detection program based on the pressure test board is stored in the memory and can run on the processor, and the pressure detection program based on the pressure test board realizes the steps of the pressure detection method based on the pressure test board when being executed by the processor.
Optionally, the pressure sensor includes a capacitive pressure sensor and a resistive pressure sensor.
In order to achieve the above object, the present application also provides a computer-readable storage medium having stored thereon a pressure detection program based on a pressure test board, which when executed by a processor, implements the steps of the pressure detection method based on a pressure test board as described above.
According to the pressure detection method, the pressure detection device, the pressure detection system and the computer readable storage medium based on the pressure test plate, the pressure sensors are arranged on the pressure test plate in a matrix mode, so that when the pressure test plate is used for testing a test product, pressure data of each pressure test point on the surface of the test product can be obtained through the pressure sensors which are uniformly distributed on the pressure test plate, and accurate plane pressure data of each point on the surface of the product can be obtained.
Drawings
FIG. 1 is a schematic diagram showing the steps of a pressure detection method based on a pressure test plate according to an embodiment of the application;
FIG. 2 is a schematic diagram of a pressure test board according to an embodiment of the application;
FIG. 3 is a schematic diagram of a pressure testing board according to another embodiment of the present application;
FIG. 4 is a schematic structural view of a pressure testing plate according to another embodiment of the present application;
FIG. 5 is a schematic diagram of a pressure detecting device according to an embodiment of the application;
fig. 6 is a schematic block diagram illustrating an internal structure of a computer device according to an embodiment of the present application.
The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present application and should not be construed as limiting the application, and all other embodiments, based on the embodiments of the present application, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present application.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only (e.g., to distinguish between identical or similar elements) and is not to be construed as indicating or implying a relative importance or an implicit indication of the number of features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
Referring to fig. 1, in an embodiment, the pressure detection method based on a pressure test plate includes:
step S10, controlling a preset pressure test plate to squeeze a test product, wherein the pressure test plate is longitudinally provided with at least three rows of pressure sensors, and is transversely provided with at least three rows of pressure sensors;
and step S20, acquiring pressure data detected by each pressure sensor on the pressure test board, and generating a test result.
In this embodiment, the execution terminal of the embodiment may be a computer device or a pressure detecting device that controls the pressure test board, and the execution terminal will be described below as an example of the computer device.
Alternatively, referring to fig. 2, the pressure test plate is longitudinally provided with at least three rows of pressure sensors, and transversely provided with at least three rows of pressure sensors (i.e., at least 9 pressure sensors are arranged in a nine-grid pattern). For the test surface of the large-area test product, more rows and columns of pressure sensors (such as 16 pressure sensors with four longitudinal columns and four transverse columns) can be correspondingly added on the pressure test board.
It should be understood that the more pressure sensors are uniformly distributed on the pressure test board, the more accurate the pressure data obtained later can reflect the pressure condition of each point of the test plane.
Alternatively, the pressure test plate can be clamped by using a mechanical arm, and the terminal can correspondingly control the movement of the pressure test plate by controlling the movement of the mechanical arm.
Optionally, the test product can be placed on the fixing plane horizontally, the test surface of the test product faces upwards, then the terminal can control the pressure test plate to apply pressure to the test product from top to bottom through the mechanical arm, and the test product is extruded to perform pressure test on the test product.
Then, the terminal can acquire pressure data fed back by each pressure sensor on the pressure test board, and the test results are generated by summarizing and output, so that relevant testers can clearly and comprehensively know the pressure conditions of each point of the test plane based on the fed back pressure data, and when the pressure imbalance conditions exist in each point of the test plane, the testers can correspondingly adjust the pressure applied by the pressure test board to each point of the test plane, so that each point of the test plane reaches pressure equilibrium.
In an embodiment, the pressure sensors are arranged on the pressure test board in a matrix manner, so that when the pressure test board is used for testing a test product, pressure data of each pressure test point on the surface of the test product can be obtained through the pressure sensors which are uniformly distributed on the pressure test board, and accurate plane pressure data of each point on the surface of the product can be obtained.
In an embodiment, based on the above embodiment, referring to fig. 3, at least three ranging sensors are disposed on the pressure measuring plate, and the at least three ranging sensors are disposed in a triangular arrangement.
Optionally, before the step of controlling the preset pressure test board to squeeze the test product, the method further includes:
and utilizing at least three ranging sensors arranged on the pressure measuring plate to range the tested product, and adjusting the angle of the mechanical arm for clamping the pressure measuring plate according to ranging data so as to enable the pressure measuring plate to be parallel to the testing surface of the tested product.
In this embodiment, at least three range finding sensors that set up on the pressure test board are the triangle and arrange the setting, like this before terminal control pressure test board extrudees the test product, set up range finding sensor and carry out range finding to the test product through the pressure test board on, after obtaining corresponding range finding data, can adjust the arm centre gripping according to range finding data the angle of pressure test board to the range finding data that makes each range finding sensor obtain is unanimous, just so can make the pressure test board parallel with the test surface of test product.
On the basis, the pressure test plate can be controlled to squeeze the test surface of the test product in parallel, so that more accurate and balanced test data are obtained.
Alternatively, the ranging sensor may be a micro ranging sensor.
It should be understood that the more the distance measuring sensors are arranged on the pressure test board, the more accurate the terminal judges the relative position relationship between the pressure test board and the test product, and the parallel between the pressure test board and the test surface of the test product can be controlled by the mechanical arm more easily.
Alternatively, referring to fig. 4, the pressure sensors and the ranging sensors are staggered on the pressure test plate. Therefore, the pressure test board can realize balanced distribution between the pressure sensors and the ranging sensors on the pressure test board, so that balanced pressure test (namely, the situation that the pressure applied by the existing test points is overlarge and the pressure applied by the existing test points is overlarge due to different stress angles) can be considered, and corresponding ranging data can be accurately acquired.
It should be understood that, since at least 9 pressure sensors arranged in a nine-grid pattern are provided on the pressure test board, when the distance measuring sensors are arranged at intervals among the pressure sensors, any three distance measuring sensors other than the three distance measuring sensors arranged in a line may be arranged in a triangle.
In an embodiment, on the basis of the above embodiment, the number of the pressure test boards is two, and the two pressure test boards are moved in opposite directions to perform a pressure test on the test product between the two pressure test boards.
In this embodiment, the number of the pressure test boards is two.
Optionally, the pressure surface of any one pressure test board can be arranged upwards, and the test product is placed on the pressure test board, then the other pressure test board is controlled to extrude the test product from top to bottom, and the balanced pressure test on the upper test surface and the lower test surface of the test product can be realized at the same time, so that the efficiency of carrying out plane pressure test on the test product is improved. The pressure test plate moving from top to bottom can be further provided with at least three ranging sensors which are arranged in a triangular mode, so that the mechanical arm for clamping the pressure test plate can timely adjust the angle for clamping the pressure test plate according to ranging data, and the pressure test plate can be kept parallel to the upper test surface of a test product.
Or the test product can be clamped in the half space through the fixing support, and the two pressure test plates are respectively extruded towards the test product from top to bottom and from bottom to top, so that the upper test surface and the lower test surface of the test product are simultaneously subjected to balanced pressure test. At this time, at least three ranging sensors which are arranged in a triangular manner can be arranged on each of the two pressure test boards, so that the mechanical arm for clamping the pressure test boards can timely adjust the angle for clamping the pressure test boards according to the test, and the pressure test boards can be kept parallel to the test surface of the test product.
In an embodiment, before the step of controlling the preset pressure test plate to press the test product, the method further includes:
shooting a picture of the test product based on the image acquisition device, and identifying the type of the test product based on the picture;
and determining a pressure threshold value for applying pressure to the test product by the pressure test plate according to the type of the test product.
In this embodiment, before the terminal controls the pressure test board to press the test product, the terminal may first take a picture of the test product through the image acquisition device, and identify the type of the test product based on the taken picture. The image acquisition device can be arranged on a support frame extending outwards of the pressure test plate or the mechanical arm.
In view of that each type of test product has its corresponding deformation strength, the corresponding pressure threshold value may be allocated in advance according to the deformation strength of each type of test product (e.g. electronic product, rigid material, all having corresponding deformation strength).
Optionally, after the type of the test product is determined by the terminal, a pressure threshold value of the pressure applied by the pressure test board to the test product can be determined according to the type of the current test product, and then the pressure applied by the pressure test board to the test product is controlled not to exceed the pressure threshold value in the process of controlling the pressure test board to squeeze the test product, so that the condition that the pressure applied by the pressure test board to the test product is overlarge is avoided, the obtained plane pressure test data exceeds the test requirement and unnecessary damage to the test product is avoided.
In an embodiment, on the basis of the foregoing embodiment, after the step of obtaining the pressure data detected by each pressure sensor on the pressure test board and generating the test result, the method further includes:
and carrying out three-dimensional modeling on the test product, and displaying the test result on the model.
In this embodiment, the terminal may collect a picture of the test product through the image collecting device, and perform three-dimensional modeling on the test product according to the collected picture. After the terminal obtains the pressure test data of the test product through the pressure test board, the arrangement of each pressure test point on the test surface of the test product can be obtained according to the layout of each pressure sensor on the pressure test board and displayed on the three-dimensional model of the test product, and the pressure data of each pressure test point collected by the pressure sensor is displayed on the corresponding position of each pressure test point on the three-dimensional model, so that the visual display of the pressure data of each pressure test point on the surface of the test product is realized, and a test engineer can intuitively observe the test result of the plane pressure test on the test product.
Referring to fig. 5, there is also provided a pressure detecting apparatus Z10 according to an embodiment of the present application, including:
the control module Z11 is used for controlling a preset pressure test plate to squeeze a test product, wherein the pressure test plate is longitudinally provided with at least three rows of pressure sensors, and is transversely provided with at least three rows of pressure sensors;
and the output module Z12 is used for acquiring the pressure data detected by each pressure sensor on the pressure test board and generating a test result.
Alternatively, the pressure detecting device may be a virtual control device (such as a virtual machine), or may be a physical device (such as a physical device other than a computer device that may perform the corresponding method).
The embodiment of the application also provides a test system, which comprises a pressure test board and computer equipment, wherein the pressure test board is in communication connection with the computer equipment and is controlled by the computer equipment; wherein, the pressure test board is longitudinally provided with at least three rows of pressure sensors and transversely provided with at least three rows of pressure sensors; the internal structure of the computer device may be as shown in fig. 6. The computer device includes a processor, a memory, a communication interface, and a database connected by a system bus. Wherein the processor is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer device is used for storing a pressure detection program based on the pressure test board. The communication interface of the computer device is used for data communication with an external terminal. The input device of the computer device is used for receiving signals input by external equipment. The computer program is executed by a processor to implement a pressure detection method based on a pressure test plate as described in the above embodiments.
It will be appreciated by those skilled in the art that the architecture shown in fig. 6 is merely a block diagram of a portion of the architecture in connection with the present inventive arrangements and is not intended to limit the computer devices to which the present inventive arrangements are applicable.
Optionally, the pressure sensor arranged on the pressure test board may be a capacitive pressure sensor or a resistive pressure sensor; alternatively, the pressure sensor provided on the pressure test plate may be composed of a plurality of capacitive pressure sensors and a plurality of resistive pressure sensors together.
Furthermore, the present application also proposes a computer-readable storage medium comprising a pressure test board based pressure detection program which, when executed by a processor, implements the steps of the pressure test board based pressure detection method as described in the above embodiments. It is understood that the computer readable storage medium in this embodiment may be a volatile readable storage medium or a nonvolatile readable storage medium.
In summary, in the pressure detection method, the pressure detection device, the test system and the computer readable storage medium based on the pressure test board provided by the embodiment of the application, the pressure sensors are arranged on the pressure test board in a matrix manner, so that when the pressure test board is used for testing a test product, the pressure sensors distributed uniformly on the pressure test board can be used for acquiring the pressure data of each pressure test point on the surface of the test product, thereby obtaining the accurate plane pressure data of each point on the surface of the product.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium provided by the present application and used in embodiments may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual speed data rate SDRAM (SSRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
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, apparatus, article, or method 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, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, apparatus, article or method that comprises the element.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application or direct or indirect application in other related technical fields are included in the scope of the present application.

Claims (9)

1. A pressure detection method based on a pressure test plate, comprising:
controlling a preset pressure test plate to squeeze a test product, wherein the pressure test plate is longitudinally provided with at least three rows of pressure sensors and transversely provided with at least three rows of pressure sensors;
and acquiring pressure data detected by each pressure sensor on the pressure test board, and generating a test result.
2. The pressure detection method based on the pressure test plate according to claim 1, wherein at least three ranging sensors are arranged on the pressure test plate, and the at least three ranging sensors are arranged in a triangular arrangement; before the step of controlling the preset pressure test plate to squeeze the test product, the method further comprises the following steps:
and utilizing at least three ranging sensors arranged on the pressure measuring plate to range the tested product, and adjusting the angle of the mechanical arm for clamping the pressure measuring plate according to ranging data so as to enable the pressure measuring plate to be parallel to the testing surface of the tested product.
3. The pressure detection method based on a pressure test plate according to claim 2, wherein the pressure sensor and the distance measuring sensor are arranged on the pressure test plate in a staggered manner.
4. A pressure testing plate based pressure testing method according to any of claims 1-3, wherein the number of pressure testing plates is two and two pressure testing plates are moved in opposite directions for pressure testing of a test product between the two pressure testing plates.
5. The pressure detection method based on the pressure test board according to claim 1, wherein after the step of obtaining the pressure data detected by each pressure sensor on the pressure test board and generating the test result, further comprises:
and carrying out three-dimensional modeling on the test product, and displaying the test result on the model.
6. A pressure detection device, comprising:
the control module is used for controlling a preset pressure test plate to squeeze a test product, wherein the pressure test plate is longitudinally provided with at least three rows of pressure sensors, and is transversely provided with at least three rows of pressure sensors;
and the output module is used for acquiring the pressure data detected by each pressure sensor on the pressure test board and generating a test result.
7. A test system, characterized in that the test system comprises a pressure test board and computer equipment, wherein the pressure test board is in communication connection with the computer equipment and is controlled by the computer equipment; wherein, the pressure test board is longitudinally provided with at least three rows of pressure sensors and transversely provided with at least three rows of pressure sensors; the computer device comprising a memory, a processor and a pressure test board based pressure detection program stored on the memory and executable on the processor, which pressure test board based pressure detection program when executed by the processor implements the steps of the pressure test board based pressure detection method according to any of claims 1 to 5.
8. The test system of claim 7, wherein the pressure sensor comprises a capacitive pressure sensor and a resistive pressure sensor.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a pressure detection program based on a pressure test board, which when executed by a processor, implements the steps of the pressure detection method based on a pressure test board according to any one of claims 1 to 5.
CN202310827557.1A 2023-07-07 2023-07-07 Pressure detection method, device, test system and medium based on pressure test board Pending CN116973222A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310827557.1A CN116973222A (en) 2023-07-07 2023-07-07 Pressure detection method, device, test system and medium based on pressure test board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310827557.1A CN116973222A (en) 2023-07-07 2023-07-07 Pressure detection method, device, test system and medium based on pressure test board

Publications (1)

Publication Number Publication Date
CN116973222A true CN116973222A (en) 2023-10-31

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