CN107389983B - Electrical detection system of positioning device and display module - Google Patents
Electrical detection system of positioning device and display module Download PDFInfo
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- CN107389983B CN107389983B CN201710643048.8A CN201710643048A CN107389983B CN 107389983 B CN107389983 B CN 107389983B CN 201710643048 A CN201710643048 A CN 201710643048A CN 107389983 B CN107389983 B CN 107389983B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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Abstract
The invention discloses a positioning device and an electrical detection system of a display module, and belongs to the field of display. The positioning device includes: the device comprises a supporting component, two probes, a positioning and adjusting component and a bearing table for bearing the display module; the positioning and adjusting assembly is arranged on the supporting assembly and is positioned at the side of the bearing platform where the bearing surface for bearing the display module is positioned; the positioning adjustment assembly includes: the setting is in lift assembly on the supporting component, and with two rotating assembly that can rotate that lift assembly connects, every the one end of probe with one rotating assembly connects, every the probe can be under the drive of the rotating assembly who corresponds parallel to move in the direction of loading surface, lift assembly can drive rotating assembly with two probes are at the perpendicular to move in the direction of loading surface. The invention effectively improves the positioning accuracy. The invention is used for detecting the display module.
Description
Technical Field
The invention relates to the field of display, in particular to a positioning device and an electrical detection system of a display module.
Background
After the display module is manufactured, a universal meter is used for detecting the voltage at two ends of a device (such as a resistor in the integrated circuit) in the display module so as to detect whether the electrical property of the device meets a preset requirement.
In the related art, a tester manually fixes two meter pens of the multimeter at two ends of a device to be detected so as to detect voltages at two ends of the device to be detected, but the position accuracy of the meter pens positioned by the method is low.
Disclosure of Invention
In order to solve the problem of low position accuracy of a positioning stylus in the related art, the embodiment of the invention provides a positioning device and an electrical detection system of a display module. The technical scheme is as follows:
in a first aspect, a positioning device is provided, the positioning device comprising:
the device comprises a supporting component, two probes, a positioning and adjusting component and a bearing table for bearing the display module;
the positioning and adjusting assembly is arranged on the supporting assembly and is positioned at the side of the bearing platform where the bearing surface for bearing the display module is positioned;
the positioning adjustment assembly includes: the setting is in lift assembly on the supporting component, and with two rotating assembly that can rotate that lift assembly connects, every the one end of probe with one rotating assembly connects, every the probe can be under the drive of the rotating assembly who corresponds parallel to move in the direction of loading surface, lift assembly can drive rotating assembly with two probes are at the perpendicular to move in the direction of loading surface.
Optionally, the positioning adjustment assembly further comprises: the first connecting piece is respectively connected with the second connecting piece and the rotating assembly, and the second connecting piece is movably connected with the lifting assembly.
Optionally, the second connector comprises: the two ends of the connecting rod are respectively and movably connected with one end of the crank and one end of the rocker;
the other end of the crank and the other end of the rocker are respectively movably connected with the lifting component;
the first connecting piece is fixedly connected with the connecting rod.
Optionally, the rotating assembly comprises: the two rotating assemblies are of circular structures;
the first connecting member includes: and each rotary component can rotate on the corresponding circular ring-shaped connecting structure.
Optionally, the first connecting piece further includes a first triangular structure and a second triangular structure which are arranged in parallel, two vertices of the first triangular structure are fixedly connected with the second connecting piece, and another vertex of the first triangular structure is fixedly connected with one circular connecting structure;
two vertexes of the second triangular structure are fixedly connected with two sides of the first triangular structure through connecting rods, and the other vertex of the second triangular structure is fixedly connected with the other circular ring-shaped connecting structure.
Optionally, each annular connecting structure is in meshed connection with one rotating assembly through a gear.
Optionally, the positioning device further comprises: the image amplification assembly is arranged on the supporting assembly and used for amplifying an image of the position of at least one of the two probes when the rotating assembly rotates.
Optionally, the positioning device comprises: at least two positioning push plates and a plurality of positioning studs,
the at least two positioning push plates are arranged in parallel with the bearing surface, the at least two positioning push plates can move in the direction far away from or close to the center of the bearing surface, and the display module can be fixed after the side surfaces of the at least two positioning push plates are contacted with the side surfaces of the display module;
the positioning bolt is used for fixing the positioning push plates on the bearing table after the display module is fixed by the at least two positioning push plates.
Optionally, the positioning device further comprises: a locking pin and an elastic element, wherein the locking pin is arranged on the elastic element,
a groove is arranged on the bearing surface in the placement area of the display assembly, an elastic element is arranged in the groove, one end of the elastic element is fixedly connected with the groove bottom of the groove, the other end of the elastic element is fixedly connected with the bearing table,
a bayonet communicated with the groove is arranged on the side surface of the bearing table;
when one end of the locking pin is inserted into the groove through the bayonet, one end of the locking pin is clamped with the elastic element, and the elastic element deforms to enable the surface of the bearing table to be flush with the bearing surface;
when one end of the locking pin is pulled out of the bayonet, the bearing surface protrudes out of the surface of the bearing table under the driving of the elastic element.
In a second aspect, a voltage detection system of a display module is provided, the voltage detection system of the display module includes: an electrical detection device and a positioning device according to any of the first aspect;
the electrical detection device comprises: the first detection terminal is used for being electrically contacted with one probe of the positioning device, and the second detection terminal is used for being electrically contacted with the other probe of the positioning device.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the positioning device and the electrical detection system of the display module provided by the embodiment of the invention, each probe in the positioning device can be driven by the corresponding rotating assembly to move in the direction parallel to the bearing surface, the lifting assembly can drive the rotating assembly and the two probes to move in the direction perpendicular to the bearing surface, namely, the positions of the probes can be adjusted in the directions parallel to the bearing surface and perpendicular to the bearing surface respectively through a machine, so that the probes are more accurately positioned at the two ends of a device in the display module to be detected, and the positioning accuracy is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a positioning device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another positioning apparatus provided in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Among the correlation technique, the tester adopts manual mode to fix two pens of universal meter at the both ends of waiting to detect the device to realize this detection of waiting to detect device both ends voltage, however, because the volume of the device on the display module assembly is less, and the nib of universal meter pen is thicker, when using manual mode location and detect the voltage at device both ends, the inaccurate or even wrong condition in location appears easily, leads to the data that detect inaccurate, causes the short circuit between the device even. Moreover, when the display module is manually detected, the device on the FPC or other Printed Circuit Board (PCB) of the display module may be damaged due to the large force applied during the positioning or taking process.
In view of the above problem, an embodiment of the present invention provides a positioning apparatus, as shown in fig. 1, the positioning apparatus may include:
a supporting component 101, two probes 102, a positioning adjustment component 103, and a bearing platform 104 for bearing the display module. In practical application, the probe 102 and the end of the display module, which is in contact with the device to be detected, may have a smaller diameter, or the probe 102 having a smaller diameter may be replaced according to the size of the device to be detected, so as to facilitate accurate contact between the probe 102 and the device to be detected.
The positioning adjustment assembly 103 is disposed on the supporting assembly 101 and located at a side of the supporting surface W of the supporting platform 104 for supporting the display module.
The positioning adjustment assembly 103 may include: a lifting assembly 1031 disposed on the supporting assembly 101, and two rotating assemblies 1032 connected to the lifting assembly 1031 and capable of rotating, wherein one end of each probe 102 is connected to one rotating assembly 1032, each probe 102 is capable of moving in a direction parallel to the bearing surface W under the driving of the corresponding rotating assembly 1032, and the lifting assembly 1031 is capable of driving the rotating assembly 1032 and the two probes 102 to move in a direction perpendicular to the bearing surface W. Illustratively, the lifting assembly 1031 may be a pneumatic cylinder.
Optionally, the lifting assembly 1031 may further be provided with a scale, and the adjustment may be performed with reference to the scale when the lifting assembly 1031 is adjusted, so as to improve the accuracy of the positioning.
In summary, in the positioning device provided in the embodiments of the present invention, each probe in the positioning device can be driven by the corresponding rotating component to move in a direction parallel to the bearing surface, and the lifting component can drive the rotating component and the two probes to move in a direction perpendicular to the bearing surface, that is, the positions of the probes can be adjusted by a machine in directions parallel to the bearing surface and perpendicular to the bearing surface, so that the probes are more accurately positioned at two ends of a device in a display module to be detected, and the positioning accuracy is effectively improved.
Further, as shown in fig. 2, the rotation assembly 1032 may include: two rotating assemblies 1032, each rotating assembly 1032 being a circular ring structure. Optionally, the circular ring structure may also be provided with a scale, and the scale may be referred to for adjustment when the circular ring structure is rotated, so as to improve the accuracy of positioning.
Further, the positioning adjustment assembly 103 may further include: first connecting piece 1033 and second connecting piece 1034, first connecting piece 1033 is connected with second connecting piece 1034 and rotating component 1032 respectively, and second connecting piece 1034 is connected with lift subassembly 1031 swing joint. Alternatively, the second connector 1034 may be disposed on a connector substrate 1035, the connector substrate 1035 is movably connected to the second connector 1034, the connector substrate 1035 is fixedly connected to the lifting assembly 1031, and when the lifting assembly 1031 is lifted, the lifting assembly 1031 drives the second connector 1034 to move integrally through the connector substrate 1035 to adjust the height of the lifting assembly 1031.
The second connector 1034 may include: a crank 1034a, a rocker 1034b and a connecting rod 1034c, wherein two ends of the connecting rod 1034c are movably connected with one end of the crank 1034a and one end of the rocker 1034b, respectively. The other end of the crank 1034a and the other end of the rocker 1034b are movably connected to the lifting assembly 1031 through a connecting member substrate 1035, respectively. The other end of the crank 1034a is movably connected with the lifting component 1031, and the other end of the rocker 1034b is movably connected with the lifting component 1031, so that the crank 1034a and the rocker 1034b can rotate on the connecting component substrate 1035 to drive the connecting rod 1034c and the first connecting component 1033 to move, and further drive the rotating component 1032 connected with the first connecting component 1033 to move integrally, so that the rotating component 1032 can be moved integrally to the upper part of the display module when the display module is detected, and the coarse positioning of the two probes 102 can be realized.
It should be noted that the lengths of the crank 1034a and the rocker 1034b are not equal, and when the crank 1034a rotates, since the two are connected to each other through the connecting rod 1034c, the crank 1034a can drive the rocker 1034b to rotate through the connecting rod 1034c, and the crank 1034a can rotate on the connecting member substrate 1035 by 360 degrees.
Wherein the first connector 1033 may be fixedly connected to the link 1034 c. Or, the other end of the crank 1034a, one end of the connecting rod 1034c and one point of the first connecting member 1033 may be connected together, and at this time, the three may be movably connected by a connection manner such as bolt connection; and/or the other end of the rocker 1034b, the other end of the connecting rod 1034c and another point of the first connecting member 1033 may be connected at a point, and at this time, the three may be movably connected by a bolt connection or the like.
The first connector 1033 may include: two circular ring connecting structures 1033a, each circular ring connecting structure 1033a is sleeved with one rotating component 1032, and each rotating component 1032 can rotate on the corresponding circular ring connecting structure 1033 a. The annular connecting structure 1033a and the corresponding rotating component 1032 can be rotationally connected through gear engagement, bearing connection, ball connection or guide connection. For example: each of the annular ring-shaped connecting structures 1033a and one of the rotating elements 1032 may be connected by a gear engagement (not shown in the drawings), by which the rotating element 1032 can rotate on the inner circumference of the annular ring-shaped connecting structure 1033a to adjust the position of the probe 102 in a direction parallel to the bearing surface W. For another example, each annular connecting structure 1033a may be provided with an annular guide rail, and each rotating assembly 1032 may be provided with a protruding structure, and the protruding structure may be snapped into the annular guide rail, so that the rotating assembly 1032 can rotate in the guide rail of the annular connecting structure 1033a to adjust the position of the probe 102 in the direction parallel to the carrying surface W.
Also, the first connector 1033 may further include: when the first connector 1033 is fixedly connected to the link 1034c of the second connector 1034, two vertexes of the first triangular structure 1033b may be fixedly connected to two ends of the link 1034c of the second connector 1034, and another vertex of the first triangular structure 1033b is fixedly connected to one circular ring-shaped connecting structure 1033 a.
Two vertexes of the second triangular structure 1033c may be fixedly connected to two sides of the first triangular structure 1033b through connecting rods, and the other vertex of the second triangular structure 1033c is fixedly connected to the other circular connecting structure 1033 a.
The first triangular structure 1033b and the second triangular structure 1033c respectively provide a supporting force for the two circular ring-shaped connecting structures 1033a, so as to ensure the stability of the circular ring-shaped connecting structures 1033a during the positioning process and the detection process. The first triangular structure 1033b and the second triangular structure 1033c are arranged in parallel such that the two circular connecting structures 1033a are located on different horizontal planes, thereby facilitating the rotation of the rotating assembly 1032. Due to the stability of the triangle, when the first triangle structure 1033b and the second triangle structure 1033c are used to support the circular ring-shaped connection structure 1033a, the stability of the supporting force provided by the circular ring-shaped connection structure 1033a can be improved. Also, in order to further enhance the stability of the supporting force provided by the ring-shaped connecting structure 1033a, the first triangular structures 1033b and the second triangular structures 1033c, and the like, of the first connecting member 1033 may be made of a light-weight material such as plastic.
To facilitate viewing of the moved position of the probe 102, the positioning device may further comprise: an image magnifying assembly 105, the image magnifying assembly 105 being disposed on the supporting assembly 101, the image magnifying assembly 105 being configured to magnify an image of a location of at least one of the two probes 102 when the rotating assembly 1032 rotates.
Optionally, the image magnifying assembly 105 may include: the magnifying lens comprises a magnifying lens 1051, a substrate 1052 and a lifting structure 1053, wherein one end of the lifting structure 1053 is fixed on the supporting component 101, the other end of the lifting structure 1053 is connected with one side of the substrate 1052, the magnifying lens 1051 is movably connected with the other side of the substrate 1052, the image magnifying component 105 is used for magnifying an image at the position of at least one probe 102 of the two probes 102, the substrate 1052 is used for supporting the image magnifying component 105, the lifting structure 1053 is used for adjusting the height of the magnifying lens 1051 through the substrate 1052, and the movable connection between the magnifying lens 1051 and the other side of the substrate 1052 is used for ensuring that the position of the image magnifying component 105 can be correspondingly adjusted. For example, the magnifying lens 1051 may be movably connected to the other side of the substrate 1052 by a hinge, and the lifting mechanism 1053 may be a pneumatic cylinder. By observing the image of the position of the probe 102 through the magnifier 1051, whether the probe 102 is moved to the corresponding position can be more clearly judged through observation, and whether the probe 102 is accurately contacted with the two ends of the device to be detected can also be judged through the magnifying function of the magnifier, so as to further ensure the accuracy of the obtained detection data.
The positioning device may further include: at least two positioning push plates 106 (only two are shown for the sake of viewing, in practice, one or more positioning push plates 106 may be disposed around the bearing surface W) and a plurality of positioning studs (not shown). The at least two positioning push plates 106 are arranged in parallel with the bearing surface W, and the at least two positioning push plates 106 can move in a direction away from or close to the center of the bearing surface W. When moving at least two location push pedal 106 along the direction that is close to bearing surface W center, the side of at least two location push pedal 106 can be fixed with the display module assembly after the side contact of display module assembly.
The positioning bolts are used for fixing the positioning push plates 106 on the bearing table 104 after the display module is fixed by the at least two positioning push plates 106. Optionally, the positioning pushing plate 106 is provided with a threaded hole on a surface parallel to the bearing surface W, a bottom surface of the threaded hole contacts with the bearing platform 104, the positioning bolt is arranged in the threaded hole, and after the side surface of the positioning pushing plate 106 contacts with the side surface of the display module, the positioning bolt can be screwed down to contact the bottom surface of the positioning bolt with the bearing platform 104, the positioning pushing plate 106 is fixed at a corresponding position of the bearing platform 104 by using a friction force between the positioning pushing plate and the bearing platform, and then the display module is fixed at a preset position of the bearing surface W.
Optionally, the positioning device may further include: a locking pin and an elastic element. A groove can be formed in the placement area of the display module on the bearing surface W, an elastic element is arranged in the groove, one end of the elastic element is fixedly connected with the groove bottom of the groove, and the other end of the elastic element is fixedly connected with the bearing table 104. The side of the bearing table 104 is provided with a bayonet communicated with the groove.
When the display module assembly needs to be placed on the bearing surface W, one end of the locking pin can be inserted into the groove through the bayonet, at the moment, one end of the locking pin is clamped with the elastic element, and the elastic element deforms, so that the surface of the bearing table 104 is flush with the bearing surface W. When the display module is required to be taken up from the bearing surface W, one end of the locking pin can be pulled out from the bayonet, at the moment, the elastic element is restored to the original state (namely, the state when the elastic element is not deformed), the bearing surface W protrudes out of the surface of the bearing platform 104 under the driving of the elastic element, the bearing surface W drives the display module to rise, and the height of the display module is higher than that of the surface of the bearing platform 104. At this moment, bearing surface W is equivalent to a bounce piece, when picking up display module assembly, through bounce display module assembly, can follow bearing surface W and conveniently pick up display module assembly, can prevent or reduce the damage to display module assembly when picking up display module assembly from bearing surface W.
The following is a brief description of a method for using the positioning apparatus provided in the embodiment of the present invention, taking the positioning apparatus shown in fig. 2 as an example, and the method for using the positioning apparatus can be described in stages according to different operations during use, and mainly includes: display module positioning, rotation assembly 1032 positioning, probe 102 positioning, and detection end.
Display module positioning stage: when devices (such as electrical elements like resistors and capacitors) in the display module need to be detected, one end of the locking pin can be inserted into the groove through the bayonet to make the surface of the bearing platform 104 flush with the bearing surface W, the display module is placed on the preset position of the bearing surface W, the positioning push plate 106 is moved in the direction close to the center of the bearing surface W to make the side surface of the positioning push plate 106 contact with the side surface of the display module, then the positioning bolt is screwed down, the positioning push plate 106 is fixed on the corresponding position of the bearing platform 104 through the positioning bolt, and the display module is fixed in the area in the side surface of the positioning push plates 106, that is, the display module is fixed on the preset position of the bearing surface W.
Probe 102 positioning stage: after the rotating assembly 1032 is positioned above the position of the display module, the positions of the probes 102 can be adjusted so that the two probes 102 are respectively in contact with two ends of the device under test. When the position of the probe 102 is adjusted, the two rotating assemblies 1032 can be rotated respectively, so that one end of each probe 102 connected to the rotating assemblies 1032, which is used for contacting with a device to be tested, moves to a position right above one end of the device to be tested, and then the height of one end of the probe 102 in a direction perpendicular to the bearing surface W is adjusted by the lifting assembly 1031, so that one end of the probe 102 contacts with one end of the device to be tested, that is, the positioning of the probe 102 is realized.
It should be noted that, in the above-mentioned positioning stage of the rotating assembly 1032 and the probe 102, the image of the position where the probe 102 is located can be observed through the magnifying lens 1051 to determine whether the probe 102 is moved to the corresponding position, and also determine whether the probe 102 is accurately contacted with the two ends of the device under test through the magnifying function thereof, so as to further ensure the accuracy of the obtained detection data. Also, the position of the magnifying lens 1051 can be adjusted during the adjustment process to ensure that the image of the position of the probe 102 can be observed through the magnifying lens 1051.
And (3) detection ending stage: after the completion detects the back of waiting to detect the device, can rise probe 102 through lifting component 1031 earlier, then remove rotating assembly 1032 to the position except that the display module top through rotating crank 1034a, this position is in order not to hinder the display module of taking as the standard, then extracts the one end of lock pin from the bayonet socket for bearing surface W extrudes out the surface of plummer 104 under elastic element's drive downwards, with the display module bullet high to a take display module.
It should be noted that, if there are a plurality of devices to be detected on the display module, after a device is detected, the position of the probe 102 may be continuously adjusted by the lifting assembly 1031 and the rotating assembly 1032, so that the probe is accurately contacted with two ends of the next device.
In summary, in the positioning device provided in the embodiments of the present invention, each probe in the positioning device can be driven by the corresponding rotating component to move in a direction parallel to the bearing surface, and the lifting component can drive the rotating component and the two probes to move in a direction perpendicular to the bearing surface, that is, the positions of the probes can be adjusted by a machine in directions parallel to the bearing surface and perpendicular to the bearing surface, so that the probes are more accurately positioned at two ends of a device in a display module to be detected, and the positioning accuracy is effectively improved. And, through the locking round pin and the elastic element that set up, can bounce display module assembly to in take up display module assembly from the loading face, and then prevent or reduced the damage to display module assembly when taking up display module assembly from the loading face. Meanwhile, the positioning device is simple in structure and easy to operate, so that the cost can be reduced on the basis of improving the positioning accuracy, and the positioning efficiency is improved.
The embodiment of the present invention further provides a voltage detection system of a display module, where the voltage detection system of the display module may include: an electrical detection device and a positioning device as shown in fig. 1 or fig. 2.
Wherein, the electrical detection device may include: the first detection terminal is used for being electrically contacted with one probe 102 of the positioning device, and the second detection terminal is used for being electrically contacted with the other probe 102 of the positioning device. For example, a lead may be preset on one end of each probe 102 connected to the rotating component 1032, one end of the lead may be connected to one end of the probe 102 contacting the device to be detected, and the detection terminal may be connected to the other end of the lead to electrically connect the probe 102 and the device to be detected through the lead.
Optionally, the tip of each probe 102 may be provided with a circular hole, for example: round holes may be provided at points a and b in the drawing, respectively, and the detection terminal may be inserted into the round holes at the time of detection to realize stable contact of the detection terminal with the probe 102 or the lead wire, thereby realizing stable detection.
For example: this electricity detection device can be the universal meter, can insert two pen-shape metre of universal meter in the round hole that sets up on the probe 102 when detecting to the realization is to the detection of waiting to detect the device.
In summary, in the voltage detection system of the display module according to the embodiment of the invention, each probe in the positioning device can be driven by the corresponding rotating component to move in the direction parallel to the bearing surface, and the lifting component can drive the rotating component and the two probes to move in the direction perpendicular to the bearing surface, that is, the positions of the probes can be adjusted by the machine in the directions parallel to the bearing surface and perpendicular to the bearing surface, so that the probes can be more accurately positioned at two ends of the device in the display module to be detected, and the positioning accuracy is effectively improved. And, through the locking round pin and the elastic element that set up, can bounce display module assembly to in take up display module assembly from the loading face, and then prevent or reduced the damage to display module assembly when taking up display module assembly from the loading face. Meanwhile, the positioning device is simple in structure and easy to operate, so that the cost can be reduced on the basis of improving the positioning accuracy, the detection efficiency can be improved, and the detection stability can be improved.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A positioning device, characterized in that it comprises:
the device comprises a supporting component, two probes, a positioning and adjusting component and a bearing table for bearing the display module;
the positioning and adjusting assembly is arranged on the supporting assembly and is positioned at the side of the bearing platform where the bearing surface for bearing the display module is positioned;
the positioning adjustment assembly includes: the lifting assembly is arranged on the supporting assembly, and the two rotating assemblies which are connected with the lifting assembly and can rotate are connected with the lifting assembly, one end of each probe is connected with one rotating assembly, each probe can be driven by the corresponding rotating assembly to move in the direction parallel to the bearing surface, the lifting assembly can drive the rotating assemblies and the two probes to move in the direction perpendicular to the bearing surface, and scales are arranged on the lifting assembly;
the rotating assembly includes: each rotating assembly is of a circular ring structure, and scales are arranged on the circular ring structure;
the positioning adjustment assembly further comprises: the first connecting piece is respectively connected with the second connecting piece and the rotating assembly, the second connecting piece is arranged on a connecting piece base plate, the connecting piece base plate is movably connected with the second connecting piece, and the connecting piece base plate is fixedly connected with the lifting assembly;
the first connecting member includes: the two circular connecting structures are arranged in parallel, and the first triangular structure and the second triangular structure are arranged in parallel;
each circular ring-shaped connecting structure is sleeved with one rotating assembly, and each rotating assembly can rotate on the corresponding circular ring-shaped connecting structure; two vertexes of the first triangular structure are connected with the second connecting piece, and the other vertex of the first triangular structure is fixedly connected with a circular connecting structure; two vertexes of the second triangular structure are fixedly connected with two sides of the first triangular structure through connecting rods, and the other vertex of the second triangular structure is fixedly connected with the other circular ring-shaped connecting structure.
2. The positioning device of claim 1,
the second connector includes: the two ends of the connecting rod are respectively and movably connected with one end of the crank and one end of the rocker; the other end of the crank and the other end of the rocker are respectively movably connected with the lifting assembly through the connecting piece base plate;
the first connecting piece is fixedly connected with the connecting rod; or one end of the crank, one end of the connecting rod and one point of the first connecting piece are movably connected at one point, and/or one end of the rocker, the other end of the connecting rod and the other point of the first connecting piece are movably connected at one point.
3. The positioning apparatus according to claim 1, wherein each of said annular ring-shaped connecting structures is in meshing engagement with one of said rotating assemblies through a gear.
4. The positioning device of claim 1, further comprising: the image amplification assembly is arranged on the supporting assembly and used for amplifying an image of the position of at least one of the two probes when the rotating assembly rotates.
5. The positioning device of claim 4, wherein the image magnification assembly comprises: the magnifier, the substrate and the lifting structure;
one end of the lifting structure is fixed on the supporting component, the other end of the lifting structure is connected with one side of the substrate, and the magnifier is movably connected with the other side of the substrate;
the image amplification assembly can amplify an image at the position of at least one of the two probes, the substrate can support the image amplification assembly, and the lifting structure can adjust the height of the magnifier through the substrate.
6. The positioning device of claim 1, wherein the positioning device comprises: at least two positioning push plates and a plurality of positioning studs,
the at least two positioning push plates are arranged in parallel with the bearing surface, the at least two positioning push plates can move in the direction far away from or close to the center of the bearing surface, and the display module can be fixed after the side surfaces of the at least two positioning push plates are contacted with the side surfaces of the display module;
the positioning studs are used for fixing the positioning push plates on the bearing table after the display module is fixed by the at least two positioning push plates.
7. The positioning device of claim 1,
the positioning device further comprises: a locking pin and an elastic element, wherein the locking pin is arranged on the elastic element,
a groove is arranged on the bearing surface in the placement area of the display assembly, an elastic element is arranged in the groove, one end of the elastic element is fixedly connected with the groove bottom of the groove, the other end of the elastic element is fixedly connected with the bearing table,
a bayonet communicated with the groove is arranged on the side surface of the bearing table;
when one end of the locking pin is inserted into the groove through the bayonet, one end of the locking pin is clamped with the elastic element, and the elastic element deforms to enable the surface of the bearing table to be flush with the bearing surface;
when one end of the locking pin is pulled out of the bayonet, the bearing surface protrudes out of the surface of the bearing table under the driving of the elastic element.
8. The utility model provides a voltage detection system of display module assembly which characterized in that, voltage detection system of display module assembly includes: an electrical detection device and a positioning device as claimed in any one of claims 1 to 7;
the electrical detection device comprises: the first detection terminal is used for being electrically contacted with one probe of the positioning device, and the second detection terminal is used for being electrically contacted with the other probe of the positioning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643048.8A CN107389983B (en) | 2017-07-31 | 2017-07-31 | Electrical detection system of positioning device and display module |
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| CN201710643048.8A CN107389983B (en) | 2017-07-31 | 2017-07-31 | Electrical detection system of positioning device and display module |
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| CN107389983A CN107389983A (en) | 2017-11-24 |
| CN107389983B true CN107389983B (en) | 2020-05-12 |
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| WO2003083494A1 (en) * | 2002-03-22 | 2003-10-09 | Electro Scientific Industries, Inc. | Test probe alignment apparatus |
| US7471094B2 (en) * | 2005-06-24 | 2008-12-30 | Formfactor, Inc. | Method and apparatus for adjusting a multi-substrate probe structure |
| JP4875332B2 (en) * | 2005-09-21 | 2012-02-15 | 東京エレクトロン株式会社 | Probe card transfer assist device and inspection equipment |
| EP3128291B1 (en) * | 2015-08-03 | 2023-10-04 | Hexagon Technology Center GmbH | Coordinate measuring machine with belt drive guided probe head |
| CN106771989A (en) * | 2017-03-30 | 2017-05-31 | 冯晓栋 | A kind of LED circuit board detection means |
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