Touch display module detection device

Abstract

The invention discloses a touch display module detection device. The touch display module comprises a touch part, a display part and a driving circuit board which are integrally arranged; the touch part and the display part respectively form touch signals through touch, and display is carried out according to the display signals; the driving circuit board is respectively connected with the touch part and the display part and is used for receiving a touch signal, converting the touch signal into a display signal and transmitting the display signal to the display part; the detection device comprises camera equipment, an upper computer and a main control module; the camera shooting equipment is used for shooting display images on the display part in real time; the upper computer stores display pictures of a plurality of display states, test items and display logics of the test items, and is connected with the camera equipment to receive the display images; comparing the display image with the display picture according to the display logic of the test item to obtain a test result; the main control module is in communication connection with the driving circuit board and the upper computer. The upper computer controls the touch display module to operate according to a test item through the main control module. The detection efficiency and accuracy are improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of circuit board auxiliary detection, and in particular relates to a touch display module detection device. Background Art

[0002] Touchscreen display modules (sometimes also called serial port screens or display boards) are primarily used in home appliances, industrial control systems, consumer products, and other fields. They serve as a media intermediary for interaction between people and devices. Through touchscreen display modules, we can view device parameters and touch settings. Touchscreen display modules primarily consist of a display and a driver circuit board; the driver circuit board is typically equipped with Wi-Fi, Bluetooth, and UART communication interfaces.

[0003] During the product development and mass production stages, the testing process basically relies on manual repetitive testing by R&D personnel, which is inefficient.

[0004] The above information disclosed in this background technology is only used to increase the understanding of the background technology of this application. Therefore, it may contain information that does not constitute the prior art known to ordinary technicians in this field. Summary of the Invention

[0005] Aiming at the problems of low efficiency and insufficient accuracy in the prior art of integrated testing of finished hardware and software of touch display modules, the present invention proposes a touch display module detection device that automatically detects the display function of the touch display module and improves the accuracy and efficiency of the detection.

[0006] In order to achieve the above invention / design purpose, the present invention adopts the following technical solutions: A touch display module detection device, the touch display module comprising a touch portion, a display portion, and a driver circuit board; the touch portion and the display portion are integrated into a touch LCD, respectively generating touch signals through touch and displaying according to the display signals; the driver circuit board is connected to the touch portion and the display portion, respectively, for receiving the touch signals from the touch portion, converting the touch signals into display signals, and transmitting them to the display portion; The touch display module detection device includes a camera device, a host computer, and a main control module; The camera device is arranged above the display unit and is used to capture the image displayed on the display unit in real time; The host computer stores display images, display logic, and test items of multiple display states, is connected to the camera device, and receives the display image captured by the camera device; compares the display image with the display image according to the test items and the display logic, and determines that the display is abnormal when the display image is inconsistent with the display image; The main control module is communicatively connected to the driving circuit board and the host computer respectively; the host computer controls the touch display module through the main control module to complete the test according to the selected test items.

[0007] In some specific embodiments, a mechanical touch module is further included, which is connected to the main control module and is controlled by the main control module to perform a touch action on the touch part according to the test item.

[0008] In some specific embodiments, the main control module is connected to the common end of the display unit and the driving circuit board, and the common end of the touch unit and the driving circuit board, respectively, and is configured to collect the touch signal sent by the touch unit to the driving circuit board and the display signal sent by the driving circuit board to the display unit and upload them to the host computer; The host computer compares the touch signal, the display signal, the display image, and the display picture; and if the touch signal, the display signal, and the corresponding display image and / or the display picture are inconsistent, it is determined that the test is abnormal.

[0009] In some specific embodiments, the device further includes a first controllable switch and a second controllable switch, each of which is connected to the main control module and is controlled by the main control module to be connected or disconnected; the display unit is connected to the driving circuit board via the first controllable switch; and the touch unit is connected to the driving circuit board via the second controllable switch. The main control module is connected to one end of the first controllable switch close to the display portion and one end of the second controllable switch close to the touch portion, respectively, and is configured to convert the touch signal into the display signal and is configured to determine whether a display abnormality or a test abnormality is received; if so, control the first controllable switch and the second controllable switch to be disconnected; control the mechanical touch module to perform a touch action according to the test item; receive the touch signal from the touch portion and convert it into the display signal and output it to the display portion; The host computer compares the received display image with the display picture; if they are consistent, it is determined that the driving circuit board is faulty; if they are inconsistent, the display touch LCD is faulty.

[0010] In some specific embodiments, a third controllable switch and a fourth controllable switch are further included, which are respectively connected to the main control module and are controlled to be connected or disconnected by the main control module; the display unit is connected to the driving circuit board via the third controllable switch; and the touch unit is connected to the driving circuit board via the fourth controllable switch. The main control module is respectively connected to one end of the third controllable switch close to the driver circuit board and one end of the fourth controllable switch close to the driver circuit board, and is configured to convert the touch signal into the display signal, and is configured to determine whether a display abnormality or a test abnormality is received; if so, control the third controllable switch and the fourth controllable switch to be disconnected; send the touch signal to the driver circuit board according to the test item; receive the display signal sent by the driver circuit board; compare the received display signal with the display signal obtained according to the touch signal; if they are consistent, determine that the display touch LCD is faulty; if not, determine that the driver circuit board is faulty.

[0011] In some specific embodiments, the system further includes a first controllable switch, a second controllable switch, a third controllable switch, and a fourth controllable switch, which are respectively connected to the main control module and are controlled to be connected or disconnected by the main control module; the display unit is connected to the driving circuit board via a series circuit of the first controllable switch and the third controllable switch; and the touch unit is connected to the driving circuit board via a series circuit of the second controllable switch and the fourth controllable switch. The main control module is connected to the common end of the first controllable switch and the third controllable switch, and the common end of the second controllable switch and the fourth controllable switch, respectively, and is configured to convert the touch signal into the display signal, and is configured as follows: Determining whether a display abnormality or a test abnormality is received; if so, controlling the first controllable switch and the second controllable switch to be disconnected and the third controllable switch and the fourth controllable switch to be connected; controlling the mechanical touch module to perform a touch action according to the test item; receiving the touch signal sent by the touch portion and converting it into the display signal and outputting it to the display portion; and controlling the first controllable switch and the second controllable switch to be connected, and the third controllable switch and the fourth controllable switch to be disconnected; sending the touch signal to the driving circuit board according to the test item; receiving the display signal sent by the driving circuit board; and judging whether the driving circuit board is faulty according to whether the touch signal corresponds to the display signal.

[0012] In some specific embodiments, the main control module determines whether the display touch LCD fails; if so, controls the first controllable switch, the second controllable switch, the third controllable switch, and the fourth controllable switch to be disconnected; controls the mechanical touch module to perform a touch action according to the test item; obtains the touch signal and uploads it to the host computer; The host computer compares the display image with the touch position with the touch signal to determine whether the touch portion is faulty.

[0013] In some specific embodiments, a router is further included; The main control module is connected to the host computer through the router; The camera device is communicatively connected to the host computer via the router.

[0014] In some specific embodiments, the router includes a wireless WIFI module; The touch display module includes a WIFI function module; The host computer is configured with a network configuration test item, which controls the main control module to configure the network for the touch display module; the camera device obtains the display image after network configuration and transmits it to the host computer; the host computer compares the display image with the display picture to obtain the test result of the WIFI function module.

[0015] The present invention also discloses a touch display module detection device, wherein the touch display module includes a touch portion, a display portion, and a driving circuit board; the touch portion and the display portion are integrated into a display touch LCD, respectively generating a touch signal through touch and displaying according to the display signal; the driving circuit board is connected to the touch portion and the display portion, respectively, for receiving the touch signal from the touch portion, converting the touch signal into the display signal and transmitting it to the display portion; The touch display module detection device includes a camera device, a host computer, a main control module, and a mechanical touch module; The camera device is arranged above the display unit and is used to capture the image displayed on the display unit in real time; The host computer stores display images, display logic, and test items of multiple display states, is connected to the camera device, and receives the display image captured by the camera device; compares the display image with the display image according to the test items and the display logic, and determines that the display is abnormal when the display image is inconsistent with the display image; The main control module is connected to the host computer for communication and receives the test items; The mechanical touch module is connected to the main control module, and the main control module controls the touch action on the touch portion in the test item.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are: The touch display module detection device of the present invention prepares test items through a host computer, and the main control module communicates with the host computer and a driver circuit board, transmits the test items to the main control module, and controls the touch display module to perform multiple display functions; the camera device captures the display image and transmits it to the host computer; the host computer determines whether the touch display module displays abnormalities based on the comparison of the pre-stored display image with the received display image, thereby realizing automatic and efficient testing of the touch display module and improving the efficiency and accuracy of touch display module detection; in addition, the detection data in the host computer can be viewed at any time, thereby improving traceability.

[0017] Other features and advantages of the present invention will become more apparent after reading the detailed description of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 is a schematic diagram of the composition and connection structure of a touch display module detection device according to an embodiment; Figure 2 is a schematic diagram of the composition and connection structure of a touch display module detection device according to an embodiment; Figure 3 is a schematic diagram of the composition and connection structure of a touch display module detection device according to an embodiment; Figure 4 is a schematic diagram of the composition and connection structure of a touch display module detection device according to an embodiment; Figure 5 is a schematic diagram of the composition and connection structure of a touch display module detection device according to an embodiment; Figure 6 is a schematic diagram of the composition and connection structure of a touch display module detection device according to an embodiment; Figure 7 is a schematic diagram of a detection process of a touch display module detection device according to an embodiment; Figure 8 is a schematic diagram of a detection process of a touch display module detection device according to an embodiment; Figure 9 is a schematic diagram of a detection process of a touch display module detection device according to an embodiment; Figure 10 is a schematic diagram of a detection process of a touch display module detection device according to an embodiment; In the figure, 11. Display unit; 12. Touch unit; 13. Driver circuit board; 2. Main control module; 3. Host computer; 4. Camera device; 5. Router; 6. Mechanical touch module; 7. First controllable switch; 8. Second controllable switch; 9. Third controllable switch; 10. Fourth controllable switch. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be understood as a limitation on the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections. A person of ordinary skill in the art will understand the specific meanings of the above terms in the present invention in specific circumstances. In the description of the embodiments, specific features, structures, materials, or characteristics may be combined in any appropriate manner in any one or more embodiments or examples.

[0023] The terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the quantity of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0024] In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0025] Reference Figure 1 The present invention discloses a touch display module detection device. The touch display module includes a touch unit 12, a display unit 11, and a driving circuit board 13, which realizes the functions of human-device interaction such as touch setting information and display viewing device parameters.

[0026] The touch part 12 and the display part 11 are integrated into a display touch LCD, which has the function of receiving touch and generating touch signals and receiving display signals to display according to the display signals; specifically, the touch part 12 and the display part 11 respectively generate touch signal output through touch and display according to the received display signals.

[0027] The driving circuit board 13 is connected to the touch unit 12 and the display unit 11 respectively, and is used for receiving a touch signal output by the touch unit 12 , and converting the received touch signal into a display signal and transmitting it to the display unit 11 .

[0028] The touch display module detection device is used to detect whether the touch display module is a good product, and includes a camera device 4; the camera device 4 is arranged above the display unit 11 and is used to capture the display image on the display unit 11 in real time.

[0029] The touch display module detection device also includes a host computer 3, which stores multiple display images of display states, display logic based on touch signals, and test items. The host computer 3 is connected to a camera 4 and receives display images captured by the camera 4. The host computer 3 compares the display image with the display image based on the test items and display logic to obtain test results for the touch display module. Specifically, if the display image and the display image are consistent, the display is normal; if they are inconsistent, the display is abnormal.

[0030] The touch display module detection device also includes a main control module 2, which is respectively in communication with the driver circuit board 13 and the host computer 3; the host computer 3 controls the touch display module through the main control module 2 to complete display and display switching according to the selected test items.

[0031] That is, the host computer 3 sends the selected test items to the main control module 2; the main control module 2 sends each touch signal in the test items to the driving circuit board 13 in sequence, which is converted into a display signal of the corresponding sequence by the driving circuit board 13 and output to the display unit 11, controlling the display unit 11 to switch the display image; the camera device 4 obtains each display image and transmits it to the host computer 3; the host computer 3 compares each display image and display picture according to the test items to determine whether the touch display module is faulty.

[0032] The touch display module detection device of the present invention prepares test items through the host computer 3, and the main control module 2 communicates with the host computer 3 and the driving circuit board 13, transmits the test items to the main control module 2, and controls the touch display module to perform multiple display functions; the camera device 4 captures the display image and transmits it to the host computer 3; the host computer 3 determines whether the touch display module displays abnormalities based on the comparison of the pre-stored display image with the received display image, thereby realizing automatic and efficient testing of the touch display module and improving the efficiency and accuracy of touch display module detection; in addition, the detection data in the host computer 3 can be viewed at any time, thereby improving traceability.

[0033] The specific structure, control process and principle of the touch display module detection device of the present invention are described in detail below through specific embodiments.

[0034] Reference Figure 2 The touch display detection module also includes a mechanical touch module 6, which is connected to the main control module 2. The main control module 2 controls the touch action on the touch part 12 according to the test item, so that the touch part 12 generates a touch signal according to the touch action and transmits it to the driving circuit board 13; the driving circuit board 13 generates a display signal according to the touch signal and outputs it to the display part 11 for display.

[0035] The touch display module detection device of this embodiment is equipped with a mechanical touch module 6, which is controlled by the main control module 2 to improve detection efficiency; the detection range can be expanded by expanding the control content of the touch part 12, thereby improving the reliability and accuracy of detection.

[0036] In some specific embodiments, referring to Figure 3 The main control module 2 is connected to the common end of the display unit 11 and the driving circuit board 13, and the common end of the touch unit 12 and the driving circuit board 13, and is configured to collect the touch signal sent by the touch unit 12 to the driving circuit board 13 and the display signal sent by the driving circuit board 13 to the display unit 11 and upload them to the host computer 3; The host computer 3 compares the touch signal, the display signal, the display image, and the display picture; and if the touch signal, the display signal and the corresponding display image and / or display picture are inconsistent, it is determined that the test is abnormal.

[0037] The touch display module detection device of this embodiment outputs the touch signal of the touch part 12 and the display signal to the display part 11 in a bridging manner, and determines whether there is a fault in the touch display module by comparing the touch signal, display signal, display image, and display picture, thereby preventing the existence of hidden display faults and improving the accuracy and reliability of detection.

[0038] In some specific embodiments, referring to Figure 3 、 Figure 7 The touch display module also includes a first controllable switch 7 and a second controllable switch 8, each connected to the main control module 2 and controlled by the main control module 2 to connect or disconnect the display unit 11. The display unit 11 is connected to the driver circuit board 13 via the first controllable switch 7, and the touch unit 12 is connected to the driver circuit board 13 via the second controllable switch 8. Specifically, the first controllable switch 7 and the second controllable switch 8 each include a control end, a first end, and a second end. The control ends of the first controllable switch 7 and the second controllable switch 8 are each connected to the main control module 2. The display unit 11 and the touch unit 12 are respectively connected to the first ends of the first controllable switch 7 and the second controllable switch 8. The driver circuit board 13 is respectively connected to the second ends of the first controllable switch 7 and the second controllable switch 8.

[0039] The main control module 2 is connected to one end of the first controllable switch 7 close to the display portion 11 and one end of the second controllable switch 8 close to the touch portion 12. That is, the main control module 2 is connected to the first end of the first controllable switch 7 and the first end of the second controllable switch 8.

[0040] The main control module 2 is configured to convert the touch signal into a corresponding display signal, and is configured to control the state of the first controllable switch 7 and the second controllable switch 8 and perform isolation testing on the touch part 12 and the display part 11 when receiving a display abnormality or test abnormality signal output by the host computer 3.

[0041] Specifically, the test is carried out according to the following process: S11, determining whether a display abnormality or test abnormality signal is received; if so, executing S12; S12, controlling the first controllable switch 7 and the second controllable switch 8 to be disconnected; S13, controlling the mechanical touch module 6 to perform a touch action according to the test item; S14, receiving the touch signal, converting it into a display signal and transmitting it to the display unit 11; S15, the host computer 3 determines whether there is a display problem based on the received display image; if yes, execute S16; if not, execute S17; S16: Determine that the display touch LCD is faulty; S17: It is determined that the driving circuit board 13 is faulty.

[0042] The touch display module detection device of this embodiment uses the main control module 2 to replace the driving circuit board 13 to realize the conversion of touch signals and display signals. Depending on whether the display problem still exists, it is judged as a display touch LCD failure or a driving circuit board 13 failure, and the fault location is automatically locked to improve the detection quality.

[0043] In some specific embodiments, the first controllable switch 7 and the second controllable switch 8 may be multi-way resistor-controlled switches; for example, the first controllable switch 7 and the second controllable switch 8 may each be a plurality of transistors. Simultaneously, the communication function between the main control module 2 and the touch unit 12 and the display unit 11 is tested. For example, the serial port communication function between the main control module 2 and the touch unit 12 and the display unit 11 is tested.

[0044] In some specific embodiments, the main control module 2 is connected to the common terminal of the display unit 11 and the driver circuit board 13, and the common terminal of the touch unit 12 and the driver circuit board 13. In other words, the main control module 2 can receive touch signals transmitted from the touch unit 12 to the driver circuit board 13 and display signals output from the driver circuit board 13 to the display unit 11.

[0045] The main control module 2 is configured to convert the touch signal into a corresponding display signal. Upon receiving a display abnormality signal from the host computer 3, the main control module 2 is configured to convert the received touch signal into a display signal and compare it with the received display signal to determine whether the touch signal and display signal are abnormal. If the touch signal is abnormal, the touch unit 12 is faulty; if the display signal is faulty, the driver circuit board 13 is faulty. If neither is abnormal, the display unit 11 is faulty.

[0046] The touch display module detection device of this embodiment locates the fault position by acquiring communication data through bridging, thereby improving detection accuracy and quality.

[0047] In some specific embodiments, referring to Figure 4 、 Figure 8 The touch display module detection device also includes a mechanical touch module 6, a third controllable switch 9, and a fourth controllable switch 10; the mechanical touch module 6 is connected to the main control module 2 and is controlled by the main control module 2 to implement touch actions according to the test items; the third controllable switch 9 and the fourth controllable switch 10 are controlled by the main control module 2 to be connected or disconnected.

[0048] The display unit 11 and the touch unit 12 are connected to the driving circuit board 13 through the third controllable switch 9 and the fourth controllable switch 10 respectively; the main control module 2 is connected to one end of the third controllable switch 9 close to the driving circuit board 13 and one end of the fourth controllable switch 10 close to the driving circuit board 13 respectively.

[0049] The main control module 2 is configured to convert the touch signal into a corresponding display signal, and is configured to control the state of the third controllable switch 9 and the fourth controllable switch 10 and perform an isolation test on the driving circuit board 13 when receiving a display abnormality or test abnormality signal output by the host computer 3.

[0050] Specifically, the test is carried out according to the following process: S21, determine whether a display abnormality or test abnormality signal is received; if so, execute S22; S22, controlling the third controllable switch 9 and the fourth controllable switch 10 to be disconnected; S23, generating a touch signal according to the test item, and generating a first display signal according to the touch signal; S24, sending a touch signal to the driving circuit board 13 to receive a second display signal output by the driving circuit board 13; S25, comparing the first display signal and the second display signal to see if they are the same; if yes, executing S26; if not, executing S27; S26: Determine that the display touch LCD is faulty; S27: It is determined that the driving circuit board 13 is faulty.

[0051] The touch display module detection device of this embodiment isolates the driver circuit board 13 through the main control module 2 for detection, and determines whether the display touch LCD is faulty or the driver circuit board 13 is faulty based on the comparison between the first display signal converted by the main control module 2 and the second display signal converted by the driver circuit board 13, and automatically locks the fault location to improve detection efficiency and quality.

[0052] In some specific embodiments, referring to Figure 5 、 Figure 9 The touch display module detection device also includes a first controllable switch 7, a second controllable switch 8, a third controllable switch 9, and a fourth controllable switch 10, which are respectively connected to the main control module 2 and are controlled by the main control module 2 to be connected or disconnected.

[0053] The display unit 11 is connected to the driving circuit board 13 through a series circuit of the first controllable switch 7 and the third controllable switch 9; the touch unit 12 is connected to the driving circuit board 13 through a series circuit of the second controllable switch 8 and the fourth controllable switch 10; the main control module 2 is connected to the common end of the first controllable switch 7 and the third controllable switch 9, and the common end of the second controllable switch 8 and the fourth controllable switch 10, respectively.

[0054] The touch display module detection device further includes a mechanical touch module 6 , which is connected to the main control module 2 and is controlled by the main control module 2 to implement touch actions according to test items.

[0055] The main control module 2 is configured to convert the touch signal into a display signal and is configured to perform the control function according to the following process.

[0056] When a display abnormality is received from the host computer 3, the first controllable switch 7 and the second controllable switch 8 are controlled to be disconnected, and the third controllable switch 9 and the fourth controllable switch 10 are connected; the mechanical touch module 6 is controlled to perform a touch action according to the test item; the touch signal sent by the touch part 12 is received and converted into a display signal and output to the display part 11; the host computer 3 determines whether the display touch LCD is faulty based on the comparison between the displayed image and the displayed picture; specifically, when an abnormality is found in the comparison, the touch LCD is displayed as faulty.

[0057] And control the first controllable switch 7 and the second controllable switch 8 to be connected, and the third controllable switch 9 and the fourth controllable switch 10 to be disconnected; send a touch signal to the driving circuit board 13 according to the test item; receive a display signal sent by the driving circuit board 13; determine whether the driving circuit board 13 is faulty according to whether the touch signal corresponds to the display signal; specifically, when the display signal obtained by the main control module 2 according to the touch signal is different from the display signal of the driving circuit board 13 received, the driving circuit board 13 is faulty.

[0058] That is, the specific control process is as follows: S31, determine whether the display abnormality signal sent by the host computer 3 is received; if so, execute S32; S32, controlling the first controllable switch 7 and the second controllable switch 8 to be disconnected, and the third controllable switch 9 and the fourth controllable switch 10 to be connected; S33, controlling the mechanical touch module 6 to perform a touch action according to the test item; S34, receiving the touch signal and converting it into a display signal; S35, the host computer 3 determines whether there is a display problem based on the received display image; if yes, execute S36; if not, execute S37; S36: Determine that the display touch LCD is faulty; S37, controlling the first controllable switch 7 and the second controllable switch 8 to be disconnected, and the third controllable switch 9 and the fourth controllable switch 10 to be connected; S38, generating a touch signal according to the test item and converting the touch signal into a first display signal; S39, sending a touch signal and receiving a second display signal; S40, comparing the first display signal and the second display signal; determining whether the first display signal and the second display signal are the same; if yes, executing S41; S41: It is determined that the driving circuit board 13 is faulty.

[0059] When the host computer 3 of the touch display module detection device of this embodiment tests a display abnormality, it isolates the display touch LCD and the driver circuit board 13 for detection, locks the fault location, and improves the accuracy of fault detection.

[0060] In some specific embodiments, referring to Figure 10 , the main control module 2 confirms whether the touch display module is faulty; if so, controls the mechanical touch module 6 to perform a touch action according to the test item; obtains the touch signal and transmits it to the host computer 3.

[0061] The host computer 3 receives the display image with the touch position and the touch signal; compares the display image with the touch position with the touch signal, and determines whether the touch unit 12 is faulty.

[0062] The specific testing process is as follows: S51. Determine whether there is a display abnormality or a test abnormality; if so, execute S52; S52, controlling the first controllable switch 7, the second controllable switch 8, and the third controllable switch 9 to be disconnected, and the fourth controllable switch 10 to be connected; S53, controlling the mechanical touch module 6 to perform a touch action according to the test item; S54, acquiring a touch signal; S55, comparing the displayed image with the touch position with the touch signal to see if they correspond; if so, executing S56; if not, executing S57; S56, determining that the touch unit 12 is faulty; S57: Determine whether the non-touch portion 12 is faulty.

[0063] The touch display module detection device of this embodiment performs isolated detection on the touch portion 12 to improve the accuracy and quality of the detection.

[0064] In some specific embodiments, referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 The touch display module detection device further includes a router 5; the main control module 2 is connected to the host computer 3 via the router 5; and the camera device 4 is connected to the host computer 3 via the router 5.

[0065] In some specific embodiments, the router 5 includes a wireless WIFI module; the touch display module includes a WIFI function module.

[0066] The host computer 3 is configured with a network configuration test item, which controls the main control module 2 to configure the network for the touch display module; the camera device 4 obtains the display image after network configuration and transmits it to the host computer 3; the host computer 3 compares the display image with the display picture to obtain the test result of the WIFI function module.

[0067] The touch display module detection device of this embodiment detects the WIFI function of the touch display module, thereby expanding the detection range and improving the detection efficiency.

[0068] In some specific embodiments, the host computer 3 is configured with multiple types of test items corresponding to different touch display modules; corresponding test operations are performed by selecting the corresponding touch display module model.

[0069] The touch display module detection device of this embodiment configures multiple types of test items to enable multiple types of touch display modules to share the detection device for detection, thereby improving the commonality of the touch display module detection device and reducing detection costs.

[0070] The present invention further discloses a touch display module detection device, which includes a camera device 4 , a host computer 3 , a main control module 2 , and a mechanical touch module 6 .

[0071] The camera device 4 is disposed above the display unit 11 and is used to capture the image displayed on the display unit 11 in real time.

[0072] The host computer 3 stores display pictures, display logic, and test items of multiple display states, is connected to the camera device 4, and receives the display image taken by the camera device 4; compares the display image with the display picture according to the test items and display logic to obtain the test results.

[0073] The main control module 2 is in communication with the host computer 3 to receive the selected test items.

[0074] The mechanical touch module 6 is connected to the main control module 2 , and is controlled by the main control module 2 to implement the touch action on the touch portion 12 in the test items.

[0075] The touch display module detection device of the present invention realizes that the main control module 2 controls the mechanical touch module 6 to perform touch actions through communication between the host computer 3 and the main control module 2; the host computer 3 receives the display image of the camera device 4 and compares it with the display picture to determine whether there is a display abnormality, thereby improving the automation of detection and improving the efficiency and accuracy of detection.

[0076] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions claimed to be protected by the present invention.

Claims

1. A touch display module detection device, the touch display module comprising a touch unit, a display unit, and a driver circuit board; the touch unit and the display unit are integrated into a touch LCD, respectively generating touch signals through touch and displaying according to the display signals; the driver circuit board is connected to the touch unit and the display unit, respectively, for receiving the touch signals from the touch unit, converting the touch signals into display signals, and transmitting them to the display unit; It is characterized in that include: a camera device, disposed above the display unit and configured to capture the image displayed on the display unit in real time; a host computer storing display images, display logic, and test items of multiple display states, connected to the camera device, and receiving the display image captured by the camera device; comparing the display image with the display image according to the test items and the display logic, and determining that a display abnormality occurs when the display image is inconsistent with the display image; A main control module is respectively connected to the driving circuit board and the host computer for communication; the host computer controls the touch display module through the main control module to complete the test according to the selected test items.

2. The touch display module detection device according to claim 1, characterized in that: It also includes a mechanical touch module, which is connected to the main control module and is controlled by the main control module to perform a touch action on the touch part according to the test items.

3. The touch display module detection device according to claim 2, characterized in that: The main control module is connected to the common end of the display unit and the driving circuit board, and the common end of the touch unit and the driving circuit board, respectively, and is configured to collect the touch signal sent by the touch unit to the driving circuit board and the display signal sent by the driving circuit board to the display unit and upload them to the host computer; The host computer compares the touch signal, the display signal, the display image, and the display picture; and if the touch signal, the display signal, and the corresponding display image and / or the display picture are inconsistent, it is determined that the test is abnormal.

4. The touch display module detection device according to claim 3, characterized in that: The system further comprises a first controllable switch and a second controllable switch, each of which is connected to the main control module and is controlled by the main control module to be connected or disconnected; the display unit is connected to the driving circuit board via the first controllable switch; and the touch unit is connected to the driving circuit board via the second controllable switch. The main control module is respectively connected to one end of the first controllable switch close to the display portion and one end of the second controllable switch close to the touch portion, and is configured to convert the touch signal into the display signal and is configured to determine whether a display abnormality or a test abnormality is received; If yes, control the first controllable switch and the second controllable switch to be turned off; control the mechanical touch module to perform a touch action according to the test item; receive the touch signal sent by the touch part and convert it into the display signal and output it to the display part; The host computer compares the received display image with the display picture; if they are consistent, it is determined that the driving circuit board is faulty; if they are inconsistent, the display touch LCD is faulty.

5. The touch display module detection device according to claim 3, characterized in that: The system further includes a third controllable switch and a fourth controllable switch, which are respectively connected to the main control module and are controlled to be connected or disconnected by the main control module; the display unit is connected to the driving circuit board via the third controllable switch; and the touch unit is connected to the driving circuit board via the fourth controllable switch. The main control module is respectively connected to one end of the third controllable switch close to the driver circuit board and one end of the fourth controllable switch close to the driver circuit board, and is configured to convert the touch signal into the display signal and is configured to determine whether a display abnormality or a test abnormality is received; If so, control the third controllable switch and the fourth controllable switch to be disconnected; send the touch signal to the driver circuit board according to the test item; receive the display signal sent by the driver circuit board; compare the received display signal with the display signal obtained according to the touch signal; if they are consistent, determine that the display touch LCD is faulty; if they are inconsistent, determine that the driver circuit board is faulty.

6. The touch display module detection device according to claim 3, characterized in that: The controller further comprises a first controllable switch, a second controllable switch, a third controllable switch, and a fourth controllable switch, which are respectively connected to the main control module and are controlled to be connected or disconnected by the main control module; the display unit is connected to the driving circuit board via a series circuit of the first controllable switch and the third controllable switch; the touch unit is connected to the driving circuit board via a series circuit of the second controllable switch and the fourth controllable switch; The main control module is connected to the common end of the first controllable switch and the third controllable switch, and the common end of the second controllable switch and the fourth controllable switch, respectively, and is configured to convert the touch signal into the display signal, and is configured as follows: Determine whether a display exception or a test exception is received; If yes, control the first controllable switch and the second controllable switch to be disconnected, and the third controllable switch and the fourth controllable switch to be connected; control the mechanical touch module to perform a touch action according to the test item; receive the touch signal sent by the touch part and convert it into the display signal and output it to the display part; and controlling the first controllable switch and the second controllable switch to be connected, and the third controllable switch and the fourth controllable switch to be disconnected; sending the touch signal to the driving circuit board according to the test item; receiving the display signal sent by the driving circuit board; and judging whether the driving circuit board is faulty according to whether the touch signal corresponds to the display signal.

7. The touch display module detection device according to claim 6, characterized in that: The main control module determines whether the display touch LCD fails; if so, controls the first controllable switch, the second controllable switch, the third controllable switch, and the fourth controllable switch to be disconnected; controlling the mechanical touch module to perform a touch action according to the test item; Acquire the touch signal and upload it to the host computer; The host computer compares the display image with the touch position with the touch signal to determine whether the touch portion is faulty.

8. The touch display module detection device according to any one of claims 1 to 7, characterized in that: Also includes routers; The main control module is connected to the host computer through the router; The camera device is communicatively connected to the host computer via the router.

9. The touch display module detection device according to claim 8, characterized in that: The router includes a wireless WIFI module; The touch display module includes a WIFI function module; The host computer is configured with a network configuration test item, which controls the main control module to configure the network for the touch display module; the camera device obtains the display image after network configuration and transmits it to the host computer; the host computer compares the display image with the display picture to obtain the test result of the WIFI function module.

10. A touch display module detection device, the touch display module comprising a touch portion, a display portion, and a driver circuit board; the touch portion and the display portion are integrated into a touch LCD, respectively generating touch signals through touch and displaying according to the display signals; the driver circuit board is connected to the touch portion and the display portion, respectively, for receiving the touch signals from the touch portion, converting the touch signals into display signals, and transmitting them to the display portion; It is characterized in that include: a camera device, disposed above the display unit and configured to capture the image displayed on the display unit in real time; a host computer storing display images, display logic, and test items of multiple display states, connected to the camera device, and receiving the display image captured by the camera device; comparing the display image with the display image according to the test items and the display logic, and determining that a display abnormality occurs when the display image is inconsistent with the display image; A main control module, which is in communication with the host computer and receives the test items; A mechanical touch module is connected to the main control module and is controlled by the main control module to implement the touch action on the touch part in the test item.

Images