CN113341303A - LCD logic board detection device - Google Patents
LCD logic board detection device Download PDFInfo
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- CN113341303A CN113341303A CN202110835152.3A CN202110835152A CN113341303A CN 113341303 A CN113341303 A CN 113341303A CN 202110835152 A CN202110835152 A CN 202110835152A CN 113341303 A CN113341303 A CN 113341303A
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- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004006 olive oil Substances 0.000 claims description 2
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- 238000012797 qualification Methods 0.000 claims description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- 229910002027 silica gel Inorganic materials 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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Abstract
The invention discloses an LCD logic board detection device, which comprises a detection control mechanism, a detection platform, a movable detection rod, a display screen, a threaded rod, a clamping component, a current control device and a fixed plate, wherein the detection control mechanism is used for controlling the normal operation of the detection device, the detection platform is positioned in the center of the detection device, the movable detection rod is movably connected to the outer part of the detection platform, the clamping component is fixedly connected to the outer part of the detection platform and is used for placing an LCD logic board to be detected and detecting, the threaded rod is movably connected to the inner part of the movable detection rod and is used for moving and clamping and fixing when the LCD logic board is fixed, the threaded rod is movably connected with the movable detection rod and is used for clamping and stabilizing the LCD logic board to be detected, the current control device is connected with a force sensing device, the fixed plate is fixedly connected with the movable detection rod and is used for fixing the LCD logic board to be detected on the detection platform, so as to simplify the clamping process, the operation difficulty is reduced, the detection efficiency is improved, and the detection effect of the logic board is effectively ensured.
Description
Technical Field
The invention relates to the technical field of logic boards, in particular to an LCD logic board detection device. The method is particularly applied to the detection of the electrostatic breakdown of the LCD logic board.
Background
The LCD is a flat display for displaying an image by controlling the transmission amount of light beams in response to an image signal. In particular, since LCDs are generally lightweight, thin, and have low power consumption, the application fields of LCDs are gradually expanding.
The LCD logic board is the central control board, TCON board, of the display screen. The digital plate is used for converting an LVDS image data input signal sent by the digital plate into an LVDS signal capable of driving the liquid crystal screen after being processed by the logic plate, and then directly sending the LVDS signal to the LVDS receiving chip of the liquid crystal screen. In the production process of the logic board, the objects, devices or personnel to be assembled can not be moved, contacted and separated again, so that static electricity is easily generated on the LCD logic board, and if the static electricity reaches a certain accumulation amount, the static electricity discharge phenomenon can occur, so that the internal electric elements are subjected to static breakdown, and the image display function is abnormal, and therefore the logic board needs to be detected during the production of the logic board.
However, the existing logic board detection is often carried out through an artificial electric meter, the detection efficiency is low, the detection result is inaccurate, the phenomena of missing detection and error detection are often caused, the qualification rate of products is influenced, part of equipment capable of detecting the logic board is complex to operate, the detection effect is single, the detection speed is slow, meanwhile, the puncture position cannot be effectively displayed, and the use effect is poor.
Disclosure of Invention
In order to solve the above problems, the inventor provides a LCD logic board detection device, which on one hand solves the problems of low detection efficiency, inaccurate result, often missed detection and wrong detection of the manual electric meter; on the other hand, the problems that part of logic board detection equipment is complex in operation, single in detection effect, low in detection speed and incapable of displaying breakdown positions are solved. The invention has the advantages of simple structure, easy operation, convenient automatic detection of the logic board, high detection speed, accurate detection result, effective guarantee of detection speed and product percent of pass, convenient and accurate display of electrostatic breakdown position and improved use effect.
In order to achieve the above object, a first aspect of the present invention is: the invention provides a LCD logic board detection device, which has the following specific technical scheme:
a detection device for an LCD logic board comprises a detection control mechanism, a detection platform, a movable detection rod, a display screen, a threaded rod, a clamping assembly, a current control device and a fixing plate;
the detection control mechanism is connected with the detection platform, the mobile detection rod, the display screen, the threaded rod, the clamping assembly, the current control device and the fixing plate. The detection control mechanism is used for controlling the normal operation of the detection device, and when the detection device is electrified, the detection control mechanism controls all parts to work through sending and receiving instructions.
The detection platform is located in the center of the detection device, the detection control mechanism is arranged above the detection platform, and the display screen is arranged below the detection platform. The outside swing joint of testing platform has the removal test rod, testing platform's outside fixedly connected with centre gripping subassembly. The detection platform is used for placing the LCD logic board to be detected and detecting the LCD logic board.
The inside swing joint of removal detection pole has the threaded rod, removes when needs fixed LCD logic board, carries out the centre gripping to LCD logic board fixedly.
The display screen is connected with the detection platform and used for displaying detection results, and if the detection is overtime, the detection is qualified and the detection is unqualified.
The threaded rod with the movable detection rod swing joint makes the movable detection rod can along the threaded rod removes, and the LCD logic board that awaits measuring is stabilized in the centre gripping.
The current control device is connected with the force sensing device, and the current is increased when the force sensor senses that the friction force is smaller than a preset friction force value, so that the purpose of increasing the friction force is achieved.
The fixed plate is fixedly connected with the mobile detection rod and used for fixedly placing the LCD logic board to be detected on the detection platform.
The invention has the advantages that: the automatic electrostatic breakdown testing device has the advantages of being easy to operate, convenient to automatically detect the logic board, high in detection speed, accurate in detection result, capable of effectively guaranteeing detection speed and product percent of pass, convenient and accurate to display the electrostatic breakdown position and capable of improving using effect.
Based on the first invention point, the invention also provides a second invention point, the clamping assembly further comprises a buffer device, a push plate, a push rod auxiliary stabilizing device, a push rod, an electromagnet, a permanent magnet, an electrorheological body, a force sensing device, a reset spring and a chuck;
the inside fixedly connected with electro-magnet of centre gripping subassembly, the electro-magnet corresponds and sets up the permanent magnet, the outside fixed connection push rod of permanent magnet, the supplementary stabilising arrangement of the outside fixed connection push rod of push rod, set up the force sensor on the push rod, the outside of push rod is provided with the current variant, the outside fixed connection push pedal of push rod, the outside fixedly connected with reset spring of push pedal, the outside of push pedal is provided with buffer, buffer's outside fixedly connected with chuck. And after the power supply is switched on and the detection work is started, the clamping assembly is used for clamping and fixing the LCD logic board to be detected placed on the detection platform.
The push rod is movably arranged in the electrorheological body, and the partial section of the push rod positioned in the electrorheological body is arranged into a concave-convex shape, so that the contact area of the push rod and the electrorheological body is increased, the friction force is increased, and the purpose of better fixing the LCD logic board is achieved.
The partial section of the push rod, which is positioned in the electrorheological fluid, is fixedly connected with a push rod auxiliary stabilizing device so as to increase the contact area of the push rod and the electrorheological fluid, increase the friction force and achieve the purpose of better fixing the LCD logic board.
The force sensor is arranged on the push rod and used for sensing and calculating the friction force between the push rod and the current variant in real time when the LCD logic board is subjected to electrostatic detection, so that the friction force is not lower than the friction force value with the preset minimum requirement.
Based on the first invention, the invention also provides a third invention: the detection control mechanism comprises a voltage regulation module, a logic board detection module, a current regulation module and a power supply regulation module;
the voltage regulation module is used for voltage regulation, and when the detection timing is overtime, the voltage regulation module is operated to regulate the voltage, so that the purpose of smoothly carrying out power-on initialization is achieved;
the current adjusting module is used for adjusting the magnitude of current, and when the force sensing device senses that the friction force is lower than a preset friction force value, the current is increased to enable the friction force to reach the preset lowest friction force value;
the LCD logic board detection module is used for detecting the LCD logic board, and when the LCD logic board is detected, the logic board detection module is started to perform electrostatic breakdown detection on the LCD logic board. The logic board detection module is provided with driving chips P11, P12, P13 and a timing chip P14.
The invention has the advantages that: the LCD logic board clamping process is more intelligent, different clamping forces can be adjusted according to different conditions, the LCD logic board is more stable during detection, and the detection result is more accurate.
Based on the third invention, the invention further provides a fourth invention: the logic board detection module comprises a timing detection module and a detection judgment module. Specifically, the timing detection module is used for timing in the detection process, if the timing is over, the detection is suspended, meanwhile, the display screen is used for displaying, the building mode is selected again, and if the timing detection is passed, the detection is carried out by the detection judgment module; the detection and judgment module is used for detecting whether the LCD logic board is qualified or not, suspending detection when the LCD logic board is unqualified, displaying through the display screen when the LCD logic board is qualified, and displaying results through the display screen when the LCD logic board is qualified. Specifically, the term "pass" means that there is no static electricity in the LCD logic panel, and the term "fail" means that there is static electricity in the LCD logic panel.
The invention has the advantages that: the electrostatic detection process is simplified, the detection result is more accurate, and the result is conveniently displayed.
Based on the first invention, the invention further provides a fifth invention: and a contact pin is arranged in the mobile detection rod.
The invention has the advantages that: compared with other old connectors, the connector is easier to assemble, is convenient to disconnect and connect, simplifies the assembly process of products, and also simplifies the batch production process.
Based on the second invention, the invention also provides a sixth invention: the electrorheological fluid is arranged in the clamping assembly, the main components of the electrorheological fluid are gypsum, lime, carbon powder, water and olive oil, and the electrorheological fluid is in a suspension state.
The invention has the advantages that: when no electric field is applied to the suspension, the suspension can freely flow like water or oil; after an electric field is applied, the free flowing liquid can be immediately changed into solid, and the strength of the solid is increased along with the increase of the electric field strength, so that the push rod can be fixed; when the electric field is removed, the solid can be immediately changed into liquid, so that the push rod can be reset smoothly.
Based on the first and second inventions, the present invention further provides a seventh invention: the inside of the current transformer is provided with an electric field contact block, the inside of the fixing plate is provided with a pressing contact block, the pressing contact block is electrically connected with the electric field contact block, and the pressing contact block is electrically connected with the electromagnet.
The invention has the advantages that: when the LCD logic board is detected, the push rod pushes the fixing plate, the fixing plate is close to and clamps the LCD logic board to be detected, the pressing contact block is pressed, correspondingly, the electric field contact block is driven to be electrified to generate an electric field, and the current variant is hardened. After the detection is finished, the fixing plate is loosened, correspondingly, the pressing contact block is loosened, the electric field contact block is powered off, and the electrorheological body is changed back to be in a suspension state. The LCD logic board can be clamped intelligently.
Based on the first invention, the invention further provides that the fixing plate of the eighth invention is made of flexible colloid.
The invention has the advantages that: the silica gel material has good elasticity and suitable viscidity, can bear repeated deformation, can keep viscidity for a long time again, can relapse repetitious usage, is more convenient for carry out the centre gripping to the LCD logic board that awaits measuring fixedly.
Based on the first invention, the invention further provides a ninth invention: the mobile detection rods are provided with two groups and are respectively connected with the outer part of the detection platform in a bilateral symmetry sliding mode.
The invention has the advantages that: the LCD logic panel can be better clamped.
Based on the first invention, the invention further provides a tenth invention: threaded rod swing joint is in testing platform's inside, the outside of threaded rod is provided with adjusts the drive, and it is convenient to adjust driven setting the threaded rod is controlled and is adjusted.
The invention has the advantages that: the moving range of the moving detection rod is larger, and the LCD logic board can be better fixed.
Based on the first invention, the present invention further provides an eleventh invention: and setting an anti-electrostatic breakdown mode in the detection control mechanism.
The invention has the advantages that: when the LCD logic board is detected, the anti-static breakdown mode can be selected, so that the damage of static electricity accumulated on the LCD logic board to the detection equipment is prevented.
Based on the first invention, the invention further provides a twelfth invention: the power supply adjusting module is used for selecting a power supply, and the LCD logic board detection device is provided with a bidirectional switch.
The invention has the advantages that: when the LCD logic board needs to be clamped and stabilized, a power supply which can enable the electromagnet to generate a force repelling with the permanent magnet is connected, and when the LCD logic board needs to be reset to the initial state, the power supply which can generate a force attracting with the permanent magnet is connected.
Compared with the prior art, the invention provides the LCD logic board static detection device and the use method thereof, and the LCD logic board static detection device has the following beneficial effects:
1. according to the LCD logic board static detection device, the electromagnet, the permanent magnet board, the push rod, the current variant, the buffer piece, the push rod auxiliary stabilizing device, the fixing plate and the chuck are used in a matched mode, so that the stability of the logic board in the clamping process is effectively guaranteed, the clamping process is simplified, the operation difficulty is reduced, the detection efficiency is improved, and the logic board detection effect is effectively guaranteed.
2. The LCD logic board static detection device is convenient for integral detection and split detection, effectively ensures the detection diversity, improves the detection effect, is convenient for displaying the static breakdown position, effectively improves the use effect of the device, has high detection speed and further improves the working efficiency of logic board detection of the device.
3. According to the LCD logic board static detection device, when the LCD logic board static detection is carried out, the anti-static breakdown mode can be set in the mode selection stage, so that the damage of static accumulated on the LCD logic board to the detection equipment is prevented in the LCD logic board detection process. Safer, reduces unnecessary equipment maintenance and the like.
4. According to the LCD logic board static detection device and the use method thereof, the fixing plate is made of the flexible colloid, and the silica gel material has good elasticity and proper viscosity, so that repeated deformation can be borne, the viscosity can be kept for a long time, the LCD logic board to be detected can be repeatedly used, the LCD logic board to be detected can be clamped and fixed more conveniently, and the damage to the LCD logic board in the clamping process can be avoided.
5. The LCD logic board static detection device and the use method thereof are provided with the bidirectional switch, and the power supply which can enable the electromagnet to generate the force repulsive to the permanent magnet is switched on when the LCD logic board needs to be clamped and stabilized, and the power supply which can generate the force attractive to the permanent magnet is switched on when the LCD logic board needs to be reset to the initial state. The purpose that the centre gripping is more firm has been reached when detecting, and when detecting the end, the appeal of production can attract push pedal, push rod to reset, and the appeal can offset the reciprocal scene that reset spring produced when reseing, makes the process of reseing more steady, extension device life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic plane view of an LCD logic board inspection device according to the present invention.
FIG. 2 is an enlarged structural view of a clamping assembly in the LCD logic board inspection device according to the present invention.
FIG. 3 is a schematic diagram of a bidirectional switch power supply circuit of an LCD logic board detection device according to the present invention.
FIG. 4 is a flow chart of a method for using the LCD logic board inspection device according to the present invention.
Description of reference numerals:
1. a detection control mechanism; 2. a detection platform; 3. moving the detection rod; 4. a display screen; 5. a threaded rod; 100. a clamping assembly; 101. a buffer device; 102. pushing the plate; 103. a push rod auxiliary stabilizing device; 104. a first push rod; 105. an electromagnet; 106. a permanent magnet; 107. an electrorheological fluid; 108. a force sensing device; 109. a first return spring; 110. a chuck; 111. a fixing plate; 112. a second return spring; 113. a third return spring; 114. a second push rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 1 and 2, an LCD logic panel inspection apparatus includes:
and the detection control mechanism 1 is positioned above the LCD logic board detection device and is used for controlling the normal operation of the detection device, and after the detection control mechanism 1 is electrified, the detection control mechanism 1 controls each part to work by sending and receiving instructions. Detection platform 2 is located detection device central authorities, and the top sets up detection control mechanism 1, and the left and right sides sets up fixed plate 111, and fixed plate 111 is used for fixed centre gripping LCD logic board, detection platform 2 is used for placing the LCD logic board that awaits measuring to the detection of LCD logic board. The inside swing joint of removal detection pole 3 has threaded rod 5, and threaded rod 5 bilateral symmetry sets up from top to bottom, removes when needing fixed LCD logic board, carries out the centre gripping to LCD logic board fixedly. The display screen 4 is arranged below the detection platform 2, and the display screen 4 is connected with the detection platform 2 and used for displaying a detection result, wherein if the detection is overtime, the detection is qualified and the detection is unqualified. The left side and the right side of the detection platform 2 are fixedly connected with clamping components 100 for fixing the LCD logic board to be detected placed on the detection platform 2.
The fixing plate 111 is fixedly connected to the movement detection rod 3. The inside fixedly connected with electro-magnet 105 of centre gripping subassembly 100 rightmost side, electro-magnet 105 left side corresponds sets up permanent magnet 106, the first push rod 104 of left side fixed connection of permanent magnet 106, the outside fixed connection third reset spring 113 of first push rod 104, the supplementary stabilising arrangement 103 of the outside fixed connection push rod of first push rod 104, set up power inductor 108 on the first push rod 104, the outside of first push rod 104 is provided with current variant 107, the outside fixed connection push pedal 102 of first push rod 104, the first reset spring 109 of left side fixedly connected with of push pedal 102, the left side of push pedal 102 is provided with buffer 101, buffer 101's left side fixedly connected with chuck 110. When the power is switched on, and the detection work starts, the current passes through the electromagnet 105, the electromagnet 105 generates a force repulsive with the left permanent magnet 106 to push the permanent magnet 106 to move leftwards, the permanent magnet 106 moves leftwards while compressing the left third return spring 113, meanwhile, the first push rod 104 moves leftwards while pushing the push plate 102, the push plate 102 moves leftwards to compress the first return spring 109 and push the second push rod 114 to move leftwards, meanwhile, the second return spring 112 compresses with the buffer device 101 to push the chuck 110 to move leftwards, the chuck 110 pushes the movable detection rod 3 to move leftwards, finally, the fixed plate 111 clamps the stable LCD logic board leftwards, when the LCD logic board is fixed, the pressing contact block is pressed to drive the electric field contact block to generate an electric field, and the current variant is hardened, ensure the LCD logic board is firmly clamped. After the detection is finished, a power supply in a current direction different from that in the detection is switched on, the fixing plate 111 is loosened, correspondingly, the pressing contact block is loosened, the electric field contact block is powered off, the current variant is changed back to be in a suspension state, the electromagnet 105 generates a force which is attracted to the permanent magnet 106 to attract the clamping assembly 100 to reset, and the reset spring group can be prevented from moving back and forth, so that the stability of the clamping assembly is ensured.
An LCD logic board detection device, further comprising a use method:
s1: the LCD logic board is placed into the detection platform, the switch is closed and is connected with a power supply which can enable the electromagnet to generate a force repulsive to the permanent magnet, and the clamping assembly is used for clamping and stabilizing the LCD logic board to be detected.
S2: and carrying out power-on initialization detection on the LCD logic board to be detected, wherein the power-on initialization is successful.
S3: the detection mode is selected, such as the electrostatic detection mode.
S4: and selecting the detection voltage adaptive to the LCD logic board to be detected. The chip P11 starts the working mode to detect the LCD logic board to be detected.
S5: the timing chip times the detection process, if the time exceeds a preset time value, the detection is suspended, the display screen displays the result, and the process goes to S3; if the time count does not exceed the preset time value, the process proceeds to step S6.
Specifically, the preset time value is the time for the computing chip P11 to perform detection output, and if the preset time value exceeds the preset time value, it indicates that the selected detection mode or the detection voltage is not suitable, and the detection mode needs to be created again.
S6: the detection determination module in the P11 chip determines the result of the detection output.
S7: whether the LCD logic board is qualified or not is judged, unqualified LCD logic board detection is suspended, meanwhile, the LCD logic board is displayed through a display screen, if the LCD logic board is qualified, the LCD logic board is displayed through the display screen, and if the LCD logic board is qualified, the LCD logic board passes the detection, and the result is displayed through the display screen; the determination criteria of pass and fail are explained before, and are not described herein again;
s8: and after the detection is finished, the detection device is reset.
Example 2
On the basis of the embodiment 1, fig. 2, fig. 3 and fig. 4, the invention provides the following technical scheme:
a method for using LCD logic board detection device when power-on initialization fails, comprising:
s1: the LCD logic board is placed into the detection platform, the switch is closed and is connected with a power supply which can enable the electromagnet to generate a force repulsive to the permanent magnet, and the clamping assembly is used for clamping and stabilizing the LCD logic board to be detected.
S2: and carrying out power-on initialization detection on the LCD logic board to be detected, wherein the power-on initialization fails.
S3: the chips P12 and P13 are started to carry out split detection on the LCD logic board, and the electrostatic breakdown position is found.
S4: and displaying the breakdown position in a display screen.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The LCD logic board detection device is characterized by comprising a detection control mechanism, a detection platform, a movable detection rod, a display screen, a threaded rod, a clamping assembly, a current control device and a fixing plate;
the detection control mechanism is connected with the detection platform, the movable detection rod, the display screen, the threaded rod, the clamping assembly, the current control device and the fixing plate, the detection control mechanism is used for controlling the normal operation of the detection device, and after the detection control mechanism is electrified, the detection control mechanism controls all parts to work by sending and receiving instructions;
the detection platform is positioned in the center of the detection device, a detection control mechanism is arranged above the detection platform, a display screen is arranged below the detection platform, a movable detection rod is movably connected to the outside of the detection platform, a clamping assembly is fixedly connected to the outside of the detection platform, and the detection platform is used for placing an LCD logic board to be detected and detecting the LCD logic board;
the inner part of the mobile detection rod is movably connected with a threaded rod, the threaded rod moves when an LCD logic board is fixed, the LCD logic board is clamped and fixed, the display screen is connected with the detection platform and used for displaying a detection result, and the threaded rod is movably connected with the mobile detection rod, so that the mobile detection rod moves along the threaded rod, and the LCD logic board to be detected is clamped and stabilized;
the current control device is connected with the force sensing device, and increases current when the force sensor senses that the friction force is smaller than a preset friction force value;
the fixed plate is fixedly connected with the mobile detection rod and used for fixedly placing the LCD logic board to be detected on the detection platform.
2. The LCD logic board detection device of claim 1, wherein the clamping assembly further comprises a buffer device, a push plate, a push rod auxiliary stabilizing device, a push rod, an electromagnet, a permanent magnet, an electrorheological body, a force sensing device, a return spring, and a collet;
the inside of the clamping assembly is fixedly connected with an electromagnet, the electromagnet is arranged corresponding to the permanent magnet, the outside of the permanent magnet is fixedly connected with a push rod, the outside of the push rod is fixedly connected with a push rod auxiliary stabilizing device, a force sensing device is arranged on the push rod, an electrorheological body is arranged on the outside of the push rod, the outside of the push rod is fixedly connected with a push plate, the outside of the push plate is fixedly connected with a reset spring, a buffer device is arranged on the outside of the push plate, the outside of the buffer device is fixedly connected with a chuck, a power supply is switched on, and after the detection work is started, the clamping assembly is used for clamping and fixing an LCD logic board;
the push rod is movable inside the electrorheological body, and the partial section of the push rod inside the electrorheological body is arranged in a concave-convex shape;
the partial section of the push rod positioned in the electrorheological fluid is fixedly connected with a push rod auxiliary stabilizing device;
the electrorheological fluid is arranged inside the clamping assembly and comprises gypsum, lime, carbon powder, water and olive oil, and the electrorheological fluid is in a suspension state;
the force sensor is arranged on the push rod and used for sensing and calculating the friction force between the push rod and the current transformer in real time when the LCD logic board is subjected to electrostatic detection.
3. The device as claimed in claim 2, wherein an electric field contact block is disposed in the electrorheological body, a pressing contact block is disposed in the fixing plate, the electric field contact block is electrically connected to the pressing contact block, and the pressing contact block is electrically connected to the electromagnet.
4. The LCD logic board detection device according to claim 1, wherein the detection control mechanism comprises a voltage regulation module, a logic board detection module, a current regulation module and a power regulation module:
the voltage adjusting module is used for adjusting voltage, and when the detection timing is overtime, the voltage adjusting module is operated to adjust the voltage;
the current adjusting module is used for adjusting the magnitude of current, and when the force sensing device senses that the friction force is lower than a preset friction force value, the current is increased to enable the friction force to reach the preset lowest friction force value;
the LCD logic board detection module is used for detecting the LCD logic board, and when the LCD logic board is detected, the logic board detection module is started to perform electrostatic breakdown detection on the LCD logic board.
5. The LCD logic board detection device according to claim 4, wherein the logic board detection module comprises a timing detection module and a detection judgment module, the timing detection module is used for timing in the detection process, if the timing is exceeded, the detection is suspended, meanwhile, the display screen is used for displaying, the creation mode is selected again, and if the timing detection is passed, the detection is carried out by the detection judgment module; the detection and judgment module is used for detecting whether the LCD logic board is qualified or not, suspending detection when the LCD logic board is unqualified, displaying through the display screen at the same time, displaying that the detection is qualified, and displaying the result through the display screen, wherein the qualification is that no static electricity exists in the LCD logic board, and the description of the unqualified LCD logic board means that static electricity exists in the LCD logic board.
6. The LCD logic board detecting device according to claim 1, wherein the movement detecting lever is provided with a pin inside.
7. The apparatus as claimed in claim 1, wherein the fixing plate is made of flexible adhesive.
8. The LCD logic board detecting device of claim 1, wherein the moving detecting rods are provided in two sets, and are connected with the outer portion of the detecting platform in a sliding manner in a bilateral symmetry manner.
9. The LCD logic board detection device of claim 1, wherein the threaded rod is movably connected inside the detection platform, and an adjustment drive is arranged outside the threaded rod and used for adjusting the threaded rod left and right.
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| CN2021105650379 | 2021-05-24 | ||
| CN202110565037.9A CN113238141A (en) | 2021-05-24 | 2021-05-24 | LCD logic board detection device |
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| CN113341303A true CN113341303A (en) | 2021-09-03 |
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| CN202110565037.9A Withdrawn CN113238141A (en) | 2021-05-24 | 2021-05-24 | LCD logic board detection device |
| CN202110835152.3A Pending CN113341303A (en) | 2021-05-24 | 2021-07-23 | LCD logic board detection device |
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| CN113238141A (en) * | 2021-05-24 | 2021-08-10 | 武汉极限光科技有限公司 | LCD logic board detection device |
| CN115436784B (en) * | 2022-09-06 | 2024-06-18 | 广东若铂智能机器人有限公司 | Servo driver logic board quality inspection system |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01224983A (en) * | 1988-03-04 | 1989-09-07 | Nippon Telegr & Teleph Corp <Ntt> | Memory |
| JP2016207128A (en) * | 2015-04-28 | 2016-12-08 | 富士通株式会社 | Input device, and electronic apparatus |
| CN107454825A (en) * | 2016-05-19 | 2017-12-08 | 深圳市柔宇科技有限公司 | A kind of footwear and its control method |
| CN107947032A (en) * | 2017-11-24 | 2018-04-20 | 上海市基础工程集团有限公司 | Clamping device for wheeled cable laying machine |
| CN207799017U (en) * | 2017-12-01 | 2018-08-31 | 深圳市汇顶科技股份有限公司 | Chip testing jig and system |
| CN209356546U (en) * | 2018-12-21 | 2019-09-06 | 深圳市维圳泰科技有限公司 | A kind of electric brush type sweep test machine clamp device |
| CN111806508A (en) * | 2020-07-21 | 2020-10-23 | 林日国 | Reducer for train using current variant |
| CN112180235A (en) * | 2020-09-17 | 2021-01-05 | 苏州润明恩电子科技有限公司 | Positioning tool for test fixture |
| CN112173600A (en) * | 2020-10-26 | 2021-01-05 | 朱仁保 | Coal digging landslide prevention device capable of preventing overheating operation and automatically cooling |
| CN112192467A (en) * | 2020-09-29 | 2021-01-08 | 杭州恒逍家具有限公司 | Energy-saving and environment-friendly furniture manufacturing device capable of improving precision |
| CN212363632U (en) * | 2020-07-03 | 2021-01-15 | 南京金航特自动化科技有限公司 | Tool placement detection tool |
| CN212646748U (en) * | 2020-06-01 | 2021-03-02 | 苏州富视智能工业设备有限公司 | Clamp for detecting circuit board |
| CN112535389A (en) * | 2020-11-30 | 2021-03-23 | 苏州澳方信息技术有限责任公司 | Intelligent exhibition device with good safety based on network technology |
| CN112649983A (en) * | 2020-12-29 | 2021-04-13 | 深圳市韦德勋光电科技有限公司 | Detection device for preventing LCD logic board from electrostatic breakdown and use method |
| CN113238141A (en) * | 2021-05-24 | 2021-08-10 | 武汉极限光科技有限公司 | LCD logic board detection device |
-
2021
- 2021-05-24 CN CN202110565037.9A patent/CN113238141A/en not_active Withdrawn
- 2021-07-23 CN CN202110835152.3A patent/CN113341303A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01224983A (en) * | 1988-03-04 | 1989-09-07 | Nippon Telegr & Teleph Corp <Ntt> | Memory |
| JP2016207128A (en) * | 2015-04-28 | 2016-12-08 | 富士通株式会社 | Input device, and electronic apparatus |
| CN107454825A (en) * | 2016-05-19 | 2017-12-08 | 深圳市柔宇科技有限公司 | A kind of footwear and its control method |
| CN107947032A (en) * | 2017-11-24 | 2018-04-20 | 上海市基础工程集团有限公司 | Clamping device for wheeled cable laying machine |
| CN207799017U (en) * | 2017-12-01 | 2018-08-31 | 深圳市汇顶科技股份有限公司 | Chip testing jig and system |
| CN209356546U (en) * | 2018-12-21 | 2019-09-06 | 深圳市维圳泰科技有限公司 | A kind of electric brush type sweep test machine clamp device |
| CN212646748U (en) * | 2020-06-01 | 2021-03-02 | 苏州富视智能工业设备有限公司 | Clamp for detecting circuit board |
| CN212363632U (en) * | 2020-07-03 | 2021-01-15 | 南京金航特自动化科技有限公司 | Tool placement detection tool |
| CN111806508A (en) * | 2020-07-21 | 2020-10-23 | 林日国 | Reducer for train using current variant |
| CN112180235A (en) * | 2020-09-17 | 2021-01-05 | 苏州润明恩电子科技有限公司 | Positioning tool for test fixture |
| CN112192467A (en) * | 2020-09-29 | 2021-01-08 | 杭州恒逍家具有限公司 | Energy-saving and environment-friendly furniture manufacturing device capable of improving precision |
| CN112173600A (en) * | 2020-10-26 | 2021-01-05 | 朱仁保 | Coal digging landslide prevention device capable of preventing overheating operation and automatically cooling |
| CN112535389A (en) * | 2020-11-30 | 2021-03-23 | 苏州澳方信息技术有限责任公司 | Intelligent exhibition device with good safety based on network technology |
| CN112649983A (en) * | 2020-12-29 | 2021-04-13 | 深圳市韦德勋光电科技有限公司 | Detection device for preventing LCD logic board from electrostatic breakdown and use method |
| CN113238141A (en) * | 2021-05-24 | 2021-08-10 | 武汉极限光科技有限公司 | LCD logic board detection device |
Non-Patent Citations (1)
| Title |
|---|
| 晨光: "《神奇的高新科技》", 30 June 2012, 国家行政学院出版社, pages: 95 - 96 * |
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