Mobile phone screen assembly FPC high and low temperature testing device

The high and low temperature testing device for mobile phone screen assembly FPC, designed with a movable carrier plate and drainage tube, solves the problem of frequent installation and disassembly in batch testing, improves testing efficiency and reduces errors.

CN223692475UActive Publication Date: 2025-12-19SUZHOU JINGYOU ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422669015.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-12-19
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

In the existing technology, the high and low temperature testing efficiency of mobile phone screen assembly FPC is low because batch testing requires frequent installation and disassembly, resulting in wasted time.

Method used

A high and low temperature testing device for mobile phone screen assembly (FPC) was designed. The device uses a movable carrier plate to drive the fixed frame to move alternately inside the test chamber, thereby realizing the installation and disassembly of the mobile phone screen assembly (FPC). At the same time, the device uses a drainage tube to guide the flow of hot and cold air to ensure temperature uniformity.

Benefits of technology

It improves the efficiency of high and low temperature testing of mobile phone screen assembly FPC, reduces placement time, and reduces test errors through uniform airflow distribution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mobile phone screen assembly FPC high and low temperature testing device, which relates to the technical field of mobile phone screen testing, and comprises a testing box body, and an air cooler and an air heater are respectively arranged on the rear side of the top of the testing box body; a movable carrier plate is slidably mounted at the bottom of the inner side of the test box body; a guide groove is formed in the bottom of the movable carrier plate; rotary support plates are rotationally mounted at the tops of the two ends of the movable support plate; a fixing frame is installed at the edge position of the top of the rotary supporting plate, and a driving cylinder is installed in the middle position of the top of the rotary supporting plate. A plurality of evenly-distributed positioning grooves are formed in the side face of the fixing frame. The mobile phone screen assembly FPCs installed on the two fixing frames can be alternately operated by rotating the movable carrying plate, the time for placing the mobile phone screen assembly FPCs is greatly shortened, and the problems that when the mobile phone screen assembly FPCs are tested in batches, the time for installing or disassembling the mobile phone screen assembly FPCs needs to be reserved, and the testing efficiency is reduced are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mobile phone screen test technical field especially relates to a mobile phone screen assembly FPC high low temperature testing device. BACKGROUND

[0002] High low temperature testing device is a kind of important equipment for evaluating the performance of FPC under different temperature environment, by using high low temperature testing device, mobile phone screen assembly FPC can be tested under different temperatures, ensure that mobile phone screen assembly FPC keeps stable posture during testing process, in prior art, when high low temperature test is carried out to mobile phone screen assembly FPC, mobile phone screen assembly FPC needs to be placed in device individually, when batch testing of mobile phone screen assembly FPC is carried out, the time for installing or disassembling mobile phone screen assembly FPC needs to be reserved, which greatly reduces the testing efficiency of mobile phone screen assembly FPC. SUMMARY

[0003] The disclosed embodiment relates to a kind of mobile phone screen assembly FPC high low temperature testing device, one fixed frame is driven in the inside testing box of activity carrier plate and is tested, another can carry out the installation or disassembly operation of mobile phone screen assembly FPC, after testing, the position of two fixed frames is adjusted by rotating activity carrier plate, and the mobile phone screen assembly FPC on another fixed frame is tested, now can disassemble or install the mobile phone screen assembly FPC outside, greatly reduce the time of mobile phone screen assembly FPC placement, can improve the efficiency of high low temperature test of mobile phone screen assembly FPC.

[0004] The first aspect of the present disclosure provides a kind of mobile phone screen assembly FPC high low temperature testing device, specifically includes: test box, the test box is rectangular structure, and the side of test box is equipped with control cabinet, the top rear side of test box is respectively equipped with air cooler and hot air machine, and the bottom of test box is equipped with support;The inside bottom of test box is slidably installed with activity carrier plate;The two ends of activity carrier plate are arc structure, and the bottom of activity carrier plate is equipped with guide slot, wherein, guide slot is T-shaped structure;Rotary support plate is rotatably installed at the top of the two ends of activity carrier plate;Fixed frame is installed at the edge position of the top of rotary support plate, and drive cylinder is installed at the middle position of the top of rotary support plate;The fixed frame is cylindrical structure, and the side of fixed frame is equipped with multiple evenly distributed positioning slots.

[0005] Further, the other side of the test box is provided with slot, and the other side of the test box is slidably installed with sealing plate;The top of sealing plate is connected with the top of test box by spring;The inside top of test box is installed with flow guide cover;Cold air flow pipe and hot air flow pipe are respectively installed on the output end of air cooler and hot air machine of the top rear side of test box.

[0006] Further, the cold air flow pipe and the hot air flow pipe are provided with control valves; a flow guide pipe is arranged at the top of the test box and the middle position of the flow guide cover; the top of the flow guide pipe is connected with the side end of the cold air flow pipe and the hot air flow pipe, and the bottom of the flow guide pipe is provided with a flow distribution pipe, wherein the bottom of the flow distribution pipe is provided with a nozzle; a fan is arranged at the top of the support, and a collecting pipe is arranged at the input end of the fan; a flow guide pipe is arranged at the top of the collecting pipe; the flow guide pipe is arranged at the inner side of the test box, and the side surface of the flow guide pipe is provided with a vertical groove.

[0007] Further, the top side of the support is provided with a positioning block; the top of the positioning block is in a circular structure, and the positioning block is slidingly arranged in the guide groove; the other outer side of the test box is provided with a fixed carrier plate, wherein the top of the fixed carrier plate is provided with a fan.

[0008] Further, the output end of the fan at the top of the fixed carrier plate is provided with a concentration pipe; the bottom of the concentration pipe penetrates through the bottom of the fixed carrier plate and is provided with a jet pipe; the bottom of the jet pipe is provided with a jet groove.

[0009] Further, the bottom of the positioning groove at the side surface of the fixed frame is provided with a positioning plate; the rear side wall of the positioning plate is higher than the front side wall; the positioning groove at the side surface of the fixed frame is slidingly provided with a clamping plate; the top of the clamping plate is provided with a positioning cover.

[0010] Further, the top of the positioning cover is connected with the top of the positioning groove at the side surface of the fixed frame through a spring; the output end of the driving cylinder at the top of the rotating support plate is provided with a traction plate; the side end of the traction plate is rotatably provided with a rotating plate; the side end of the rotating plate is rotatably arranged at the inner side of the positioning cover.

[0011] The utility model provides a kind of mobile phone screen assembly FPC high-low temperature testing device, with following beneficial effects:

[0012] In use, the mobile phone screen assembly FPC installed on two fixed frames can be alternately operated by rotating the movable carrier plate, and when high-low temperature testing of the mobile phone screen assembly FPC is performed, the mobile phone screen assembly FPC to be tested can be installed in the positioning groove at the side surface of the fixed frame, the movable carrier plate drives one fixed frame to be tested inside the test box, and the other fixed frame can be installed or dismounted for the mobile phone screen assembly FPC, and after testing, the position of the two fixed frames is adjusted by rotating the movable carrier plate, and the mobile phone screen assembly FPC on the other fixed frame is tested, which can dismount or install the mobile phone screen assembly FPC from the outside, greatly reducing the time for placing the mobile phone screen assembly FPC, and improving the efficiency of high-low temperature testing of the mobile phone screen assembly FPC.

[0013] In addition, by using the drainage tube to attract and guide the cold or hot air flow, the distribution of the cold or hot air flow on the FPC of the mobile phone screen assembly is improved, when the FPC of the mobile phone screen assembly is tested at high and low temperatures, the air flow generated by the air cooler or the air heater at the top of the test box is discharged through the shunt pipe, the vertical groove on the side of the drainage tube attracts the cold or hot air flow, so that the air flow quickly fills the inside of the test box, prevents the temperature distribution on the FPC of the mobile phone screen assembly from being uneven, and causes a large error in the test result. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0015] The drawings described below only relate to some embodiments of the present application, and are not a limitation of the present application.

[0016] In the drawings:

[0017] Figure 1 A schematic diagram showing the overall structure of the present application is shown;

[0018] Figure 2 A three-dimensional structure schematic diagram of the drainage tube of the present application is shown;

[0019] Figure 3 A three-dimensional structure schematic diagram of the bottom of the flow guide cover of the present application is shown;

[0020] Figure 4 A three-dimensional structure schematic diagram of the jet pipe of the present application is shown;

[0021] Figure 5 A three-dimensional structure schematic diagram of the rotating support plate of the present application is shown;

[0022] Figure 6 A sectional view structure schematic diagram of the fixing frame of the present application is shown;

[0023] List of reference signs

[0024] 1, test box; 101, support; 102, sealing plate; 103, flow guide cover; 104, cold air flow pipe; 105, hot air flow pipe; 106, drainage tube; 107, shunt pipe; 108, collection pipe; 109, drainage tube;

[0025] 2, movable carrier plate; 201, guide groove; 202, positioning block; 203, fixed carrier plate; 204, concentration pipe; 205, jet pipe;

[0026] 3, rotating support plate; 301, fixing frame; 302, positioning plate; 303, clamping plate; 304, positioning cover; 305, traction plate; 306, rotating plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without any creative effort fall within the scope of the present application.

[0028] Reference is made to Figures 1 to 6

[0029] Embodiment one

[0030] The utility model provides a kind of mobile phone screen assembly FPC high-low temperature testing device, comprising: test box 1, test box 1 is rectangular structure, and the side of test box 1 is equipped with control cabinet, the top rear side of test box 1 is equipped with cooling fan and air heater respectively, and the bottom of test box 1 is equipped with support 101;The other side of test box 1 is provided with slot, and the other side of test box 1 is equipped with sealing plate 102 slidingly;The top of sealing plate 102 is connected with the top of test box 1 by spring;The inner side top of test box 1 is equipped with fairing 103;Cooling fan and air heater output end on the top rear side of test box 1 are equipped with cold air flow pipe 104 and hot air flow pipe 105 respectively;Control valve is installed on cold air flow pipe 104 and hot air flow pipe 105;The middle position of the top of test box 1 and fairing 103 is equipped with flow guide pipe 106;The top of flow guide pipe 106 is connected with the side end of cold air flow pipe 104 and hot air flow pipe 105, and the bottom of flow guide pipe 106 is equipped with shunt pipe 107, wherein, the bottom of shunt pipe 107 is equipped with nozzle;The top of support 101 is equipped with fan, and collecting pipe 108 is installed on the input end of fan;The top of collecting pipe 108 is equipped with drainage pipe 109;Drainage pipe 109 is in the inner side of test box 1, and the side of drainage pipe 109 is equipped with vertical slot.

[0031] ​In the embodiment of the present disclosure, when the FPC of the mobile phone screen assembly is subjected to high and low temperature test, the sealing plate 102 moves downward in the other side of the test box 1 under the action of the spring, the other side slot of the test box 1 is sealed, the cabinet door on the front side of the test box 1 is closed, the FPC of the mobile phone screen assembly is in a sealed environment, the support 101 supports the test box 1 at a proper height, the control cabinet on the side of the test box 1 controls the test data, the cooling fan on the top of the test box 1 works, the control valve on the cold air pipe 104 is in an open state, the control valve on the hot air pipe 105 is in a closed state, the generated cold air flows downward through the flow guide pipe 106, the cold air flows out through the nozzle on the shunt pipe 107, the fan at the bottom of the support 101 works, the cold air flows into the vertical slot on the side of the flow guide pipe 109, enters the fan through the collecting pipe 108, and is discharged, so that the cold air quickly fills the inside of the test box 1, and the FPC of the mobile phone screen assembly in the test box 1 is subjected to low temperature test, and vice versa, the hot air fan on the top of the test box 1 works, the control valve on the cold air pipe 104 is in a closed state, the control valve on the hot air pipe 105 is in an open state, the hot air flows out through the flow guide pipe 106 and the shunt pipe 107, the flow guide pipe 109 and the collecting pipe 108 attract and guide, the FPC of the mobile phone screen assembly in the test box 1 is subjected to high temperature test, and the FPC of the mobile phone screen assembly is quickly subjected to high and low temperature test.

[0032] In the embodiment two, the movable carrier plate 2 is slidably installed at the inner bottom of the test box 1 based on the embodiment one; the movable carrier plate 2 has an arc-shaped structure at both ends, and a guide groove 201 is formed at the bottom of the movable carrier plate 2, wherein the guide groove 201 has a T-shaped structure; the positioning block 202 is installed at one side of the top of the support 101; the positioning block 202 has a circular structure at the top, and is slidably installed in the guide groove 201; the fixed carrier plate 203 is installed at the other outer top of the test box 1, wherein the fan is installed at the top of the fixed carrier plate 203; the concentrated pipe 204 is installed on the output end of the fan at the top of the fixed carrier plate 203; the air jet pipe 205 is installed through the bottom of the fixed carrier plate 203 at the bottom of the concentrated pipe 204; the air jet groove is arranged at the bottom of the air jet pipe 205, when the FPC of the mobile phone screen assembly is subjected to high and low temperature test, the movable carrier plate 2 is slid at the inner bottom of the test box 1, the positioning block 202 moves in the guide groove 201, the movement of the movable carrier plate 2 is positioned, the both ends of the movable carrier plate 2 are alternately moved at the inner side of the test box 1, the fan at the top of the fixed carrier plate 203 works, the air flow generated by the fan flows through the concentrated pipe 204, the air flow flows out through the air jet pipe 205 to cool the possibly hot FPC of the mobile phone screen assembly, and prevent the problem of scalding caused by disassembly.

[0033] In example three, on the basis of example one, the rotating support plate 3 is rotatably installed on the top of the two ends of the movable carrier plate 2; the fixed frame 301 is installed on the edge of the top of the rotating support plate 3, and the driving cylinder is installed on the middle of the top of the rotating support plate 3; the fixed frame 301 is in a cylindrical structure, and a plurality of positioning grooves are evenly distributed on the side surface of the fixed frame 301; the positioning plate 302 is installed at the bottom of the positioning groove on the side surface of the fixed frame 301; the rear side wall of the positioning plate 302 is higher than the front side wall; the clamping plate 303 is slidably installed in the positioning groove on the side surface of the fixed frame 301; the positioning cover 304 is installed on the top of the clamping plate 303; the top of the positioning cover 304 is connected with the top of the positioning groove on the side surface of the fixed frame 301 through the spring; the traction plate 305 is installed on the output end of the driving cylinder on the top of the rotating support plate 3; the rotating plate 306 is rotatably installed on the side end of the traction plate 305; the rotating plate 306 is rotatably installed on the inner side of the positioning cover 304; when the FPC of the mobile phone screen assembly is tested at high and low temperatures, the position of the rotating plate 306 is adjusted according to the number of the FPC of the mobile phone screen assembly to be detected; the rotating plate 306 is rotated on the side end of the traction plate 305 so that the side end of the rotating plate 306 is away from the inner side of the positioning cover 304; the FPC of the mobile phone screen assembly to be detected is placed on the inner side of the positioning plate 302; the driving cylinder on the top of the rotating support plate 3 drives the traction plate 305 to move downward, the side end of the traction plate 305 drives the rotating plate 306 to move downward, the side end of the rotating plate 306 is inserted into the inner side of the positioning cover 304, the positioning cover 304 drives the clamping plate 303 to move downward to clamp and fix the FPC of the mobile phone screen assembly, and the fixed frame 301 drives the FPC of the mobile phone screen assembly to move to the inner side of the test box 1 for high and low temperature test; the FPC of the mobile phone screen assembly is disassembled or assembled on the other fixed frame 301, and the high and low temperature test efficiency of the FPC of the mobile phone screen assembly is improved.

[0034] The working principle of the embodiment is as follows: when in use, the FPC at the bottom of the mobile phone screen assembly to be detected is placed on the inner side of the positioning plate 302, the driving cylinder at the top of the supporting plate 3 drives the traction plate 305 and the rotating plate 306 at the side end to move downward, the side end of the rotating plate 306 is inserted into the inner side of the positioning cover 304, the positioning cover 304 drives the clamping plate 303 to move downward to clamp and fix the mobile phone screen assembly FPC, the movable carrier plate 2 at the inner bottom of the test box 1 moves alternately at the two ends of the test box 1, the fixed frame 301 drives the mobile phone screen assembly FPC to move into the test box 1, the sealing plate 102 is sealed on the other side of the test box 1 under the action of the spring, the mobile phone screen assembly FPC is in a sealed environment, the air cooler at the top of the test box 1 works, the control valve on the cold air flow pipe 104 is in an open state, the control valve on the hot air flow pipe 105 is in a closed state, the cold air flow enters the flow guide pipe 106 downward into the shunt pipe 107 and then flows out, the fan at the bottom of the support 101 works, the cold air flow flows into the vertical groove at the side of the flow guide pipe 109, the cold air flow quickly fills the inside of the test box 1, the mobile phone screen assembly FPC in the test box 1 is tested at low temperature, conversely, the control valve on the cold air flow pipe 104 is in a closed state, the control valve on the hot air flow pipe 105 is in an open state, the air heater at the top of the test box 1 works to generate hot air flow which flows out through the flow guide pipe 106 and the shunt pipe 107, the flow guide pipe 109 and the collection pipe 108 attract the flow, the mobile phone screen assembly FPC in the test box 1 is tested at high temperature.

[0035] In this paper, the following points need attention:

[0036] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0037] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0038] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A mobile phone screen assembly FPC high and low temperature test device, comprising: Test box (1), one side of the test box (1) is provided with a control cabinet, the top rear side of the test box (1) is provided with a cold air blower and a hot air blower respectively, and the bottom of the test box (1) is provided with a support (101); characterized in that the inner bottom of the test box (1) is slidably provided with a movable loading plate (2); the two ends of the movable loading plate (2) are arc-shaped structures, and the bottom of the movable loading plate (2) is provided with a guide groove (201); the top of the two ends of the movable loading plate (2) is rotatably provided with a rotating supporting plate (3); the edge position of the top of the rotating supporting plate (3) is provided with a fixing frame (301), and the middle position of the top of the rotating supporting plate (3) is provided with a driving cylinder; the side of the fixing frame (301) is provided with a plurality of evenly distributed positioning grooves.

2. The mobile phone screen assembly FPC high and low temperature test device according to claim 1, characterized in that, The other side of the test box (1) is provided with a slot, and the other side of the test box (1) is slidably provided with a sealing plate (102); the top of the sealing plate (102) is connected with the top of the test box (1) through a spring; the inner top of the test box (1) is provided with a flow guide cover (103); the output ends of the cold air blower and the hot air blower on the top rear side of the test box (1) are respectively provided with a cold air flow pipe (104) and a hot air flow pipe (105).

3. The device of claim 2, wherein the device is a mobile phone screen assembly FPC high and low temperature test device. The cold air flow pipe (104) and the hot air flow pipe (105) are provided with control valves; the top of the test box (1) and the middle position of the flow guide cover (103) are provided with a flow guide pipe (106); the top of the flow guide pipe (106) is connected with the side end of the cold air flow pipe (104) and the hot air flow pipe (105), and the bottom of the flow guide pipe (106) is provided with a shunt pipe (107), wherein the bottom of the shunt pipe (107) is provided with a nozzle; the top of the support (101) is provided with a fan, and the input end of the fan is provided with a collecting pipe (108); the top of the collecting pipe (108) is provided with a drainage pipe (109); the drainage pipe (109) is located in the inner side of the test box (1), and the side of the drainage pipe (109) is provided with a vertical groove.

4. The device of claim 3, wherein the device is a mobile phone screen assembly FPC high and low temperature test device. The top side of the support (101) is provided with a positioning block (202); the positioning block (202) is slidably installed in the inner side of the guide groove (201); the other outer top of the test box (1) is provided with a fixed loading plate (203), wherein the top of the fixed loading plate (203) is provided with a fan.

5. The device of claim 4, wherein the device is a mobile phone screen assembly FPC high and low temperature test device. The output end of the fan on the top of the fixed loading plate (203) is provided with a concentrating pipe (204); the bottom of the concentrating pipe (204) penetrates through the bottom of the fixed loading plate (203) and is provided with a jet pipe (205); the bottom of the jet pipe (205) is provided with a jet groove.

6. The device of claim 5, wherein the device is a mobile phone screen assembly FPC high and low temperature test device. The bottom of the positioning groove on the side of the fixing frame (301) is provided with a positioning plate (302); the rear side wall of the positioning plate (302) is higher than the front side wall; the positioning groove on the side of the fixing frame (301) is slidably provided with a clamping plate (303); the top of the clamping plate (303) is provided with a positioning cover (304).

7. The device of claim 6, wherein the device is a mobile phone screen assembly FPC high and low temperature test device. The top of the positioning cover (304) is connected with the top of the side positioning slot of the fixing frame (301) through a spring; the output end of the top driving cylinder of the rotating support plate (3) is provided with a traction plate (305); the side end of the traction plate (305) is rotatably provided with a rotating plate (306); and the side end of the rotating plate (306) is rotatably arranged in the inner side of the positioning cover (304).