CN215641555U - Be applied to check out test set of ageing high temperature and high humidity environment of display screen - Google Patents

Abstract

The embodiment of the application discloses be applied to the check out test set of the ageing high temperature and high humidity environment of display screen, can effectually solve the signal cable and pass through the limited problem of detection stove, the normal clear of signal quality and test when guaranteeing the test. The application includes: the signal generation equipment sets up outside detecting the stove, converter and user change board subassembly are installed inside detecting the stove, signal generation equipment passes through long cable and converter electric connection, the converter passes through short cable and user and changes board subassembly electric connection, signal generation equipment is used for producing long cable signal and sends to the converter, the converter is used for converting long cable signal into short cable signal, and send to user change board subassembly, user changes board subassembly with is detected the screen body coupling, user changes board subassembly and is used for sending short cable signal to being detected the screen body.

Description

Be applied to check out test set of ageing high temperature and high humidity environment of display screen

Technical Field

The embodiment of the application relates to the technical field of detection equipment, in particular to detection equipment applied to a high-temperature high-humidity environment with ageing display screens.

Background

Before being put into use, a display screen applied to various intelligent devices needs to be subjected to aging test, the aging test of the display screen is to place the display screen needing to be tested in the tested temperature and humidity, and the aging test of the temperature and the humidity in the design and production process of the display screen is a basic quality control program requirement, wherein the temperature range required by the aging of the display screen is generally-20 ℃ to +85 ℃, and the humidity range is 20% to 95% of relative humidity; at present, in the existing testing mode, a display driving signal source is placed outside an aging furnace cavity, a power supply signal and a driving signal pass through a through hole and are connected to a patch panel in the furnace body cavity through a special cable, and then a tested screen body is connected to the patch panel to obtain the power supply and the driving signal, so that the aging experimental data of the display screen can be obtained.

The scheme is that the display driving signal source is arranged outside the aging furnace body, so that the display driving signal source is not influenced by a high-temperature high-humidity environment, and the signal cable needs to pass through the heat-insulating wall of the furnace body in a longer length.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a be applied to detection equipment of ageing high temperature and high humidity environment of display screen, utilizes long cable as the signal to leading to the detection stove with long cable signal, then converts long cable signal into the short cable signal output that the customer needs through the converter, and then can effectually solve the signal cable and pass through the limited problem of detection stove, signal quality and the normal clear of test when guaranteeing the test.

The application provides a be applied to check out test set of ageing high temperature and high humidity environment of display screen includes: the device comprises signal generating equipment, a converter, a user rotating plate assembly and a detection furnace; the signal generation equipment sets up it is outside to detect the stove, the converter and user changes board subassembly and installs it is inside to detect the stove, signal generation equipment through the long cable with converter electric connection, the converter pass through the short cable with user changes board subassembly electric connection, signal generation equipment is used for producing long cable signal and sends to the converter, the converter be used for with long cable signal conversion is short cable signal, and send to user changes board subassembly, user changes board subassembly with is detected the screen body and is connected, user changes board subassembly be used for with short cable signal send to be detected the screen body.

Optionally, the converter is internally provided with a transfer plate, a bus conversion unit, a first bridge chip, a second bridge chip, a first transfer plate and a second transfer plate, the transfer plate is electrically connected with the signal generation device through a long cable, the transfer plate is electrically connected with the bus conversion unit, the first bridge chip is electrically connected with the second bridge chip, the first bridge chip is electrically connected with the bus conversion unit, the first bridge chip is electrically connected with the first transfer plate, and the second bridge chip is electrically connected with the second transfer plate.

Optionally, the user rotating plate assembly includes a first user rotating plate and a second user rotating plate, the first user rotating plate is connected to the first rotating plate through a short cable, and the second user rotating plate is connected to the second rotating plate through a short cable.

Optionally, the converter further includes a controller unit, the controller unit is electrically connected to the signal generating device, and the controller unit is configured to detect temperature and humidity information inside the converter, and send the detected information to the signal generating device.

Optionally, the casing of the converter is composed of a bottom casing and an upper cover, the bottom casing is detachably connected with the upper cover, and a sealing rubber ring is installed at the joint of the bottom casing and the upper cover.

Optionally, be provided with the mouth of pipe of admitting air and the mouth of pipe of giving vent to anger on the drain pan of converter, the mouth of pipe of admitting air is connected with admission line, the mouth of pipe of giving vent to anger is connected with the pipeline of giving vent to anger, admission line is connected with air compressor, admission line with the mouth of pipe's of admitting air junction and give vent to anger the pipeline with the mouth of pipe's junction of giving vent to anger all sets up to be smeared sealed glue.

Optionally, install in the converter on one side of the junction of drain pan and upper cover the board of transfering, install in the converter on the other side of the junction of drain pan and upper cover the first board of transfering with the second board of transfering, the board of transfering the first board of transfering with the second board of transfering with install sealed rubber ring on the junction.

Optionally, a throttle valve is installed on the air inlet pipeline.

Optionally, the user rotating plate assembly is electrically connected to the power supply assembly, and the signal generating device is electrically connected to the power supply assembly.

Optionally, an opening is formed in the detection furnace, and the air inlet pipeline, the air outlet pipeline and the long cable are connected with the converter through the opening.

According to the technical scheme, the embodiment of the application has the following advantages:

the detection furnace is provided with signal generation equipment, a converter, a user rotating plate assembly and a detection furnace, wherein the signal generation equipment is arranged outside the detection furnace, the converter and the user rotating plate assembly are arranged inside the detection furnace, the signal generation equipment is electrically connected with the converter through a long cable, and the converter is electrically connected with the user rotating plate assembly through a short cable; the device comprises a signal generating device, a converter, a user rotating plate assembly and a screen body to be detected, wherein the signal generating device is used for generating a long cable signal and sending the long cable signal to the converter; according to the signal generation device, the signal generation device is connected with the converter inside the detection furnace through the long cable, the problem that the length of the signal cable from the detection furnace is limited can be effectively solved, the converter can convert the long cable signal into the short cable signal and then outputs the short cable signal, and the signal quality during testing and the normal operation of testing are guaranteed.

Drawings

FIG. 1 is a schematic connection diagram of the present application applied to a high temperature and high humidity environment with display screen aging;

FIG. 2 is another schematic connection diagram of the present application applied to a high temperature and high humidity environment with display screen aging;

fig. 3 is a schematic structural diagram of the interior of a converter in the detection device applied to the high-temperature and high-humidity environment with display screen aging according to the present application.

Detailed Description

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

For the display screen interface of the new generation with the ultrahigh speed, the length of the signal cable allowed by the ultrahigh speed interface is limited, so that the length of the signal cable from the display driving signal source to the aging furnace cavity is limited, the signal quality during testing cannot be ensured, and the testing cannot be carried out.

Based on this, the application provides a be applied to display screen ageing high temperature and high humidity environment's check out test set utilizes long cable as the signal to leading to the detection stove with long cable signal, then converts long cable signal into the short cable signal output that the customer needs through the converter, and then can effectually solve the signal cable and pass through the limited problem of detection stove, signal quality and the normal clear of test when guaranteeing the test.

The technical solutions in the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all 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 application.

Referring to fig. 1 to 3, the present application provides a device for detecting a high temperature and high humidity environment of display screen aging, including: the device comprises a signal generating device 1, a converter 3, a user board rotating assembly and a detection furnace 2; the signal generating equipment 1 sets up it is outside to detect stove 2, converter 3 and the user changes the board subassembly and installs it is inside to detect stove 2, signal generating equipment 1 through long cable 38 with 3 electric connection of converter, converter 3 through short cable 39 with user changes board subassembly electric connection, signal generating equipment 1 is used for producing long cable signal and sends to converter 3, converter 3 be used for with long cable signal conversion is short cable signal, and send to the user changes the board subassembly, the user changes the board subassembly and is connected by the detection screen body 7, the user change the board subassembly be used for with short cable signal send to be detected screen body 7.

In the embodiment of the present application, in order to meet the requirement of the aging test of the display screen of the new generation of ultra high speed interface, the present application can simultaneously realize two requirements of the connection of the high speed interface short cable 39 and the stable operation in the high temperature and high humidity environment without greatly modifying the furnace body and the signal source itself, and in addition, the requirements of the compatibility of different tested screen bodies of customers, the requirement of easy maintenance of the whole system and the requirement of replaceability of vulnerable parts need to be met, more specifically, the signal generating device 1 is placed outside the furnace body of the detecting furnace 2, wherein the signal generating device 1 is placed outside the furnace body of the detecting furnace 2, and the placement of the signal generating device 1 inside the detecting furnace 2 is mainly for protecting the signal generating device 1 from the influence of the internal temperature of the detecting furnace 2, because the power consumption of the signal generating device 1 itself is very large, in addition, the temperature inside the detection furnace 2 is detected, if the signal generation device 1 is placed inside the detection furnace 2, the cooling load required for cooling the whole signal generation device 1 is very large when the signal generation device 1 is required to be cooled, and the space required for coating the signal source and the security and protection treatment of the alternating current cable in a high-temperature and high-humidity environment are difficult to realize in the whole scheme.

Based on the above proposed solution of placing the signal generating device 1 inside the detecting furnace 2, it is troublesome to implement, so the solution is adopted, the signal generating device 1 is placed outside the detecting furnace 2, and the converter 3 and the user rotating plate assembly are placed inside the detecting furnace 2, the signal generating device 1 and the converter 3 are connected through the long cable 38, the long cable 38 transmits the long cable signal, after the converter 3 receives the long cable signal, the long cable signal can be converted into the short cable signal, because the user rotating plate assembly is connected with the detected screen body, and the user rotating plate assembly is electrically connected with the converter 3, the user rotating plate assembly is used for testing the detected screen body 7 after acquiring the short cable signal sent by the converter 3, it should be noted that the interface for connecting the long cable signal is mainly LVDS/EDP/MIPI D-PHY or the like, the interface for connecting the short cable signal is mainly RGB/MIPI C-PHY, and the like, and since the signal to be transmitted needs to be transmitted in the cable, and the shorter the distance of the signal transmitted in the cable is, the higher the quality of the signal is, in practical application, the signal transmitted to the detected screen body 7 is mainly a short cable signal, and in the application, the types of the long cable 38 interface and the short cable 39 interface are not specifically limited.

In the embodiment of the application, the signal generating device 1, the converter 3, the user rotating plate assembly and the detection furnace 2 are arranged, wherein the signal generating device 1 is arranged outside the detection furnace 2, the converter 3 and the user rotating plate assembly are arranged inside the detection furnace 2, the signal generating device 1 is electrically connected with the converter 3 through a long cable 38, and the converter 3 is electrically connected with the user rotating plate assembly through a short cable 39; the signal generating device 1 is used for generating long cable signals and sending the long cable signals to the converter 3, the converter 3 is used for converting the long cable signals into short cable signals and sending the short cable signals to the user rotating plate assembly, the user rotating plate assembly is connected with the detected screen body 7, and the user rotating plate assembly is used for sending the short cable signals to the detected screen body 7; through the above, the connection between the signal generating device 1 and the converter 3 inside the detection furnace 2 is performed through the long cable 38, so that the problem that the length of the signal cable is limited to the detection furnace 2 can be effectively solved, and the converter 3 can convert the long cable signal into the short cable signal and then output the short cable signal outwards, thereby ensuring the signal quality during testing and the normal operation of testing.

Optionally, a transfer board 31, a bus conversion unit 32, a first bridge chip 33, a second bridge chip 35, a first transfer board 34, and a second transfer board 36 are installed inside the converter 3, the transfer board 31 is electrically connected to the signal generating apparatus 1 through a long cable 38, the transfer board 31 is electrically connected to the bus conversion unit 32, the first bridge chip 33 and the second bridge chip 35 are respectively electrically connected to the bus conversion unit 32, the first bridge chip 33 is electrically connected to the first transfer board 34, and the second bridge chip 35 is electrically connected to the second transfer board 36; the user rotating plate assembly comprises a first user rotating plate 5 and a second user rotating plate 6, wherein the first user rotating plate 5 is connected with the first rotating plate 34 through a short cable 39, and the second user rotating plate 6 is connected with the second rotating plate 36 through a short cable 39.

In the embodiment of the present application, the converter 3 converts a long cable signal output by the signal generating device 1 into a short cable signal and then outputs the short cable signal, and more specifically, the converter 3 includes an ingress board 31, a bus converting unit 32, a first bridge chip 33, a second bridge chip 35, a first egress board 34, and a second egress board 36 inside, where the ingress board 31 is connected to the signal generating device 1 through a long cable 38, the signal generating device 1 transmits the long cable signal to the ingress board 31, the ingress board 31 acquires the long cable signal and then transmits the long cable signal to the bus converting unit 32 through a connector transmitter of the ingress board 31, and the bus converting unit 32 converts the long cable signal into a receivable signal format of the bridge chip and transmits the receivable signal format to the first bridge chip 33 and the second bridge chip 35; the first bridge chip 33 and the second bridge chip 35 convert the received signal into a short cable signal required by the detected screen body 7 and output the short cable signal to the first switch board 34 and the second switch board 36 correspondingly, the first switch board 34 and the second switch board 36 transmit the short cable signal to the first user switch board 5 and the second user switch board 6 through the short cable 39, wherein the first user switch board 5 and the second user switch board 6 are connected with the detected screen body 7.

Because the ageing tests to the display screen need to guarantee under suitable temperature and humidity environment, but converter 3 when detecting inside the stove 2 and carrying out work, because converter 3 itself probably produces great load, the heat of production is great, under the normal operating condition, difficult discovery, but after converter 3 operating time is longer to can cause the influence for the test environment that detects the inside stove 2.

Based on this, optionally, the converter 3 further includes a controller unit 37, the controller unit 37 is electrically connected to the signal generating device 1, and the controller unit 37 is configured to detect temperature and humidity information inside the converter 3, and send the detected information to the signal generating device 1.

In the embodiment of the present application, the controller unit 37 is connected to the signal generating device 1, and the controller unit 37 is configured to detect a temperature and a humidity condition inside the converter 3, and after the temperature and the humidity condition are obtained, send the obtained information to the signal generating device 1, where it should be noted that, in order to reduce a load of the thermal insulation system, a circuit inside the converter 3 requires low power consumption operation, so as to ensure that the converter 3 can normally operate.

Because the converter 3 may run under an overload condition for a certain period of time under the actual working condition, the temperature inside the converter 3 may be raised, and the circuit structure of the converter 3 in the cavity of the detection furnace 2 is relatively complex, and the problem that some devices cannot adapt to the high-temperature and high-humidity environment inside the furnace cavity may also be encountered.

Based on this, the present application provides the following scheme, optionally, the housing of the converter 3 is composed of a bottom shell 302 and an upper cover 301, the bottom shell 302 and the upper cover 301 are detachably connected, and a sealing rubber ring is installed at a connection position of the bottom shell 302 and the upper cover 301; an air inlet pipe orifice 901 and an air outlet pipe orifice 902 are arranged on a bottom shell of the converter 3, the air inlet pipe orifice 901 is connected with an air inlet pipeline 91, the air outlet pipe orifice 902 is connected with an air outlet pipeline 92, the air inlet pipeline 91 is connected with an air compressor 8, and sealant is coated at the joint of the air inlet pipeline 91 and the air inlet pipe orifice 901 and the joint of the air outlet pipeline 92 and the air outlet pipe orifice 902; the transfer plate 31 is installed at one side of a joint of a bottom shell 302 and an upper cover 301 in the converter 3, the first transfer plate 34 and the second transfer plate 36 are installed at the other side of the joint of the bottom shell 302 and the upper cover 301 in the converter 3, and sealing rubber rings are installed at the joints of the transfer plate 31, the first transfer plate 34, the second transfer plate 36 and the joint; a throttle valve is arranged on the air inlet pipeline 91; the user rotating plate assembly is electrically connected with the power supply assembly 4, and the signal generating equipment 1 is electrically connected with the power supply assembly 4; an opening is formed in the detection furnace 2, and the air inlet pipeline 91, the air outlet pipeline 92 and the long cable 38 are connected with the converter 3 through the opening.

In the embodiment of the present application, the bottom case 302 and the upper cover 301 of the converter 3 are detachably connected, wherein the bottom case of the converter 3 is made of a heat insulating material or an aluminum alloy plus a heat insulating gasket, and the material of the bottom case of the converter 3 is not specifically limited, wherein a junction between the bottom case 302 and the upper cover 301 of the converter 3 is provided with a transfer plate 31, a first transfer plate 34 and a second transfer plate 36, and a sealing rubber ring is padded in the junction for ensuring the air tightness inside the converter 3, and the bottom case of the converter 3 is provided with an air inlet pipe 901 and an air outlet pipe 902, the air inlet pipe 901 is provided with an air inlet pipe 91, the air outlet pipe 902 is provided with an air outlet pipe 92, the air inlet pipe 91 is provided with an air compressor 8, the air compressor 8 enters the bottom case of the converter 3 from the air inlet pipe 91, and compressed air is introduced into the converter 3 for the main purpose of preserving heat inside the bottom case, the circuit of the converter 3 is prevented from being influenced by high/low temperature and high humidity environment in the furnace body, and because the connection parts of the air inlet pipeline 91 and the air outlet pipeline 92 and the bottom shell are sealed by using sealing rubber rings, the inside of the bottom shell of the converter 3 is in a relatively sealed state, compressed air in the compressed air machine enters the inside of the bottom shell of the converter 3 from the air inlet pipeline 91, the compressed air can drive the air inside the bottom shell of the converter 3 to circulate, and the compressed air can be discharged outwards from the air outlet; it should be noted that, in order to ensure that the compressed air flowing into the bottom casing of the converter 3 is relatively gentle, a throttle valve may be additionally installed on the air inlet duct 91, so as to ensure the temperature of the circuit portion of the bottom casing of the converter 3, and to ensure that the test can be smoothly performed.

It is intended that the foregoing description of the disclosed embodiments enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a be applied to the check out test set of the high temperature and high humidity environment that display screen is ageing which characterized in that includes: the device comprises signal generating equipment, a converter, a user rotating plate assembly and a detection furnace;

the signal generation equipment sets up it is outside to detect the stove, the converter and user changes board subassembly and installs it is inside to detect the stove, signal generation equipment through the long cable with converter electric connection, the converter pass through the short cable with user changes board subassembly electric connection, signal generation equipment is used for producing long cable signal and sends to the converter, the converter be used for with long cable signal conversion is short cable signal, and send to user changes board subassembly, user changes board subassembly with is detected the screen body and is connected, user changes board subassembly be used for with short cable signal send to be detected the screen body.

2. The device for detecting the high temperature and high humidity environment applied to the aging of the display screen according to claim 1, wherein a transfer-in board, a bus conversion unit, a first bridge chip, a second bridge chip, a first transfer-out board and a second transfer-out board are installed inside the converter, the transfer-in board is electrically connected with the signal generation device through a long cable, the transfer-in board is electrically connected with the bus conversion unit, the first bridge chip and the second bridge chip are respectively electrically connected with the bus conversion unit, the first bridge chip is electrically connected with the first transfer-out board, and the second bridge chip is electrically connected with the second transfer-out board.

3. The apparatus according to claim 2, wherein the user rotating plate assembly comprises a first user rotating plate and a second user rotating plate, the first user rotating plate is connected with the first rotating plate through a short cable, and the second user rotating plate is connected with the second rotating plate through a short cable.

4. The device for detecting the high temperature and high humidity environment applied to the aging of the display screen as claimed in claim 2, wherein the converter further comprises a controller unit, the controller unit is electrically connected with the signal generating device, and the controller unit is used for detecting the temperature and humidity information inside the converter and sending the detected information to the signal generating device.

5. The device for detecting the high-temperature and high-humidity environment with the aging display screen as claimed in claim 2, wherein the casing of the converter is composed of a bottom casing and an upper cover, the bottom casing and the upper cover are detachably connected, and a sealing rubber ring is installed at the joint of the bottom casing and the upper cover.

6. The device as claimed in claim 5, wherein an air inlet pipe and an air outlet pipe are disposed on a bottom shell of the converter, the air inlet pipe is connected to an air inlet pipe, the air outlet pipe is connected to an air outlet pipe, the air inlet pipe is connected to an air compressor, and sealant is applied to a joint between the air inlet pipe and a joint between the air outlet pipe and the air outlet pipe.

7. The device for detecting the high-temperature and high-humidity environment applied to the aging of the display screen, according to claim 5, wherein the turning-in plate is installed on one side of a joint of a bottom shell and an upper cover in the converter, the first turning-out plate and the second turning-out plate are installed on the other side of the joint of the bottom shell and the upper cover in the converter, and sealing rubber rings are installed on the turning-in plate, the first turning-out plate, the second turning-out plate and the joint.

8. The device for detecting the high-temperature and high-humidity environment with the aged display screen of claim 6, wherein a throttle valve is installed on the air inlet pipeline.

9. The device for detecting the high temperature and high humidity environment of the aging of the display screen according to any one of claims 1 to 8, wherein the user rotating plate assembly is electrically connected with a power supply assembly, and the signal generating device is electrically connected with the power supply assembly.

10. The device for detecting the high-temperature and high-humidity environment with the aged display screen of claim 6, wherein an opening is formed in the detection furnace, and the air inlet pipeline, the air outlet pipeline and the long cable are connected with the converter through the opening.

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