CN219105126U - Testing device for testing LED light-emitting device - Google Patents
Testing device for testing LED light-emitting device Download PDFInfo
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- CN219105126U CN219105126U CN202222843939.7U CN202222843939U CN219105126U CN 219105126 U CN219105126 U CN 219105126U CN 202222843939 U CN202222843939 U CN 202222843939U CN 219105126 U CN219105126 U CN 219105126U
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Abstract
The utility model is suitable for the technical field of LED light-emitting device testing equipment, and provides a testing device for testing LED light-emitting devices, which comprises a device main body, wherein the device main body is provided with a carrying platform, the carrying platform is used for placing the LED light-emitting devices with lead frames, the device main body is provided with a power supply module and testing units used for independently testing the LED light-emitting devices, each testing unit is connected with the power supply module, and each testing unit comprises a conductive part used for being connected with a conductive potential of each LED light-emitting device; the device main body is connected with a cover body for pressing the lead frame and the LED light-emitting device on the carrier. The testing device for testing the LED light-emitting device does not need to be stamped to be separated from the lead frame, has high testing efficiency, is favorable for timely finding out the LED light-emitting device with failure problem, reduces the verification test period time, improves the verification efficiency, and has good application effect.
Description
Technical Field
The utility model belongs to the technical field of LED light-emitting device testing equipment, and particularly relates to a testing device for testing an LED light-emitting device.
Background
In the prior art, an automatic test mode is generally adopted, the LED light emitting device (lamp bead) is required to be punched and separated from a lead frame, a sorting machine is used for sorting, parameters and box numbers are set according to the design capacity of the lamp bead, and materials are poured into the sorting machine for sorting test confirmation, so that the test efficiency is low. In the prior art, a manual test mode is also adopted, power parameters are set according to the design capacity of the lamp beads, each lamp bead (generally, each lamp bead is more than or equal to 500 pcs) on the lead frame is tested and confirmed one by one, the single lamp bead generally needs 15 seconds, the time spent is long, and the test efficiency is low.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a testing device for testing an LED light-emitting device, which has high testing efficiency and good application effect.
The technical scheme of the utility model is as follows: the testing device for testing the LED light-emitting devices comprises a device main body, wherein the device main body is provided with a carrying platform, the carrying platform is used for placing the LED light-emitting devices with lead frames, the device main body is provided with a power supply module and testing units used for independently testing the LED light-emitting devices, each testing unit is connected with the power supply module, and each testing unit comprises a conductive part used for being connected with a conductive potential of each LED light-emitting device; the device main body is connected with a cover body for pressing the lead frame and the LED light-emitting device on the carrying platform.
Optionally, the conductive member includes a positive electrode conductive member for contacting a positive electrode of the LED light emitting device and a negative electrode conductive member for contacting a negative electrode of the LED light emitting device.
Optionally, the positive electrode conductive member has a positive electrode conductive portion that can elastically abut against the positive electrode of the LED light emitting device; the negative electrode conductive member has a negative electrode conductive portion capable of elastically abutting against a negative electrode of the LED light-emitting device.
Optionally, the positive electrode conductive piece is an elastic thimble or a metal elastic sheet; the negative electrode conductive piece is an elastic thimble or a metal elastic sheet.
Optionally, the matrix of conductive components is arranged on the carrier; the power supply module is provided with an anode wiring row and a cathode wiring row, wherein the anode wiring row is connected with one or at least two anode cables, and the cathode wiring row is connected with one or at least two cathode cables;
at least the same row or at least the same column of positive electrode conductive pieces are connected to the same positive electrode cable, and at least the same row or at least the same column of negative electrode conductive pieces are connected to the same negative electrode cable.
Optionally, the number of rows of the positive electrode cables is the same as that of the positive electrode conductive pieces, and each positive electrode cable is correspondingly connected to one row of the positive electrode conductive pieces;
the number of columns of the negative electrode cables is the same as that of the negative electrode conductive pieces, and each negative electrode cable is correspondingly connected with one column of the negative electrode conductive pieces.
Optionally, one side of the cover body is rotatably connected to the device main body, and a locking structure or a magnetic attraction structure is arranged between the other side of the cover body and the device main body.
Optionally, the cover body is provided with an observation window, and the observation window is hollowed out or provided with a transparent cover plate.
Optionally, the power module is provided with a voltage regulating module and/or a current regulating module.
Optionally, the carrier is provided with a positioning structure for positioning the lead frame;
and/or an imaging recognition device for recognizing whether the LED light-emitting device is lightened or not is arranged above the carrying platform.
According to the testing device for testing the LED light-emitting devices, the cover body enables the LED light-emitting devices to be in stable contact with the conductive parts, the power supply module is connected with the conductive parts of the LED light-emitting devices (lamp beads) through the conductive parts, independent power-on tests can be conducted on each LED light-emitting device, the LED light-emitting devices are not affected with each other, the LED light-emitting devices do not need to be punched to be separated from the lead frame, namely, all the LED light-emitting devices corresponding to the whole lead frame can be tested at one time, the testing efficiency is high, the LED light-emitting devices with failure problems can be found in time, verification test period time is shortened, verification efficiency is improved, and the application effect is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a testing apparatus (with a cover opened) for testing an LED light emitting device according to an embodiment of the present utility model;
fig. 2 is a schematic perspective view of a testing apparatus (cover closed) for testing an LED light emitting device according to an embodiment of the present utility model;
fig. 3 is a schematic wiring diagram of a test unit in a test apparatus for testing an LED light emitting device according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on 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 addition, in the embodiments of the present utility model, terms of directions or positional relationships indicated by "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are directions or positional relationships based on the directions or positional relationships shown in the drawings or the conventional placement state or use state, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the structures, features, devices or elements to be referred to must have specific directions or positional relationships nor must be constructed and operated in specific directions, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by different combinations of features/embodiments, where not contradictory, and various possible combinations of features/embodiments in the present utility model are not described further in order to avoid unnecessary repetition.
As shown in fig. 1 to 3, a testing apparatus for testing LED light emitting devices according to an embodiment of the present utility model includes an apparatus main body 100, where the apparatus main body 100 has a carrier 110, and the carrier 110 is used for placing LED light emitting devices 920 with lead frames, that is, the lead frames and the LED light emitting devices 920 connected to the lead frames are placed together on the carrier 110, and the LED light emitting devices 920 are tested without being separated from the lead frames. The device main body 100 has a power module 300 and test units for independently performing a test on each LED light emitting device 920, each of the test units being connected to the power module 300, each of the test units including a conductive member for interfacing with a conductive bit (pad/pin) of each LED light emitting device 920; the device main body 100 is connected with a cover 200 for pressing the lead frame and the LED light emitting devices 920 on the carrier 110, the cover 200 can enable the LED light emitting devices 920 to be in stable contact with the conductive parts, the power module 300 is connected with the conductive parts of the LED light emitting devices 920 (lamp beads) through the conductive parts, independent power-on tests can be carried out on each LED light emitting device 920, the LED light emitting devices 920 are not affected, the LED light emitting devices 920 do not need to be separated from the lead frame by punching, namely, all the LED light emitting devices 920 corresponding to a full-page lead frame can be tested at one time, the testing efficiency is high, the failure problem of the LED light emitting devices 920 can be found in time, the verification test period time is shortened, the verification efficiency is improved, and the application effect is good.
Specifically, the power module 300 (i.e., the power output controller) may have a voltage adjustment module and/or a current adjustment module, and the device body 100 may be provided with a control knob, a key, a touch panel, and the like. The power module 300 can adjust voltage or/and current through a control knob, a key, a touch panel and the like, so that corresponding voltage or/and current is selected according to LED light emitting devices 920 with different models and specifications, and the universality of the testing device is good.
Specifically, the carrier 110 may be provided with a positioning structure (not shown in the figure) for positioning the lead frame, where the positioning structure may be a positioning column, a positioning frame or a positioning slot, and the positioning column and the positioning frame may adopt replaceable structures to meet different testing requirements.
Specifically, the conductive members may be regularly arranged on the carrier 110, and each conductive member may include a positive conductive member 411 and a negative conductive member 412, where the positive conductive member 411 is used to contact the positive electrode of the LED light emitting device 920, and the negative conductive member 412 is used to contact the negative electrode of the LED light emitting device 920, so that reliability is good.
In a specific application, the LED light emitting device 920 may implement a burn-in test, a lighting test, etc. on the lead frame by using the above test apparatus.
Specifically, the positive electrode conductive member 411 has a positive electrode conductive portion, and the positive electrode conductive portion can elastically abut against the positive electrode of the LED light emitting device 920; the negative electrode conductive member 412 has a negative electrode conductive portion, the negative electrode conductive portion can be elastically abutted to the negative electrode of the LED light emitting device 920, the positive electrode conductive portion and the negative electrode conductive portion both adopt an elastic abutting design, and when the cover 200 is pressed on the lead frame, the positive electrode conductive member 411 and the negative electrode conductive member 412 can be reliably and stably connected to the conductive positions of the LED light emitting devices 920, so as to avoid inaccurate testing caused by poor contact.
In a specific application, the positive electrode conductive member 411 may be an elastic thimble (a push-type test probe) or a metal elastic sheet; the negative electrode conductive member 412 may be an elastic thimble (a push-type test probe) or a metal spring plate, and its structure is simple and reliable. In this embodiment, the positive electrode conductive member 411 and the negative electrode conductive member 412 are exemplified by a push-type test probe.
Specifically, the conductive component matrix is arranged on the carrier 110; the power module 300 has a positive electrode wire row and a negative electrode wire row, the positive electrode wire row is connected with one or at least two positive electrode cables 421, and the negative electrode wire row is connected with one or at least two negative electrode cables 422; at least the same row or at least the same column of the positive electrode conductive pieces 411 are connected to the same positive electrode cable 421, at least the same row or at least the same column of the negative electrode conductive pieces 412 are connected to the same negative electrode cable 422, and the design is reasonable, so that the production and the manufacturing of the testing device are facilitated to maintain.
Specifically, the positive electrode tab row and the negative electrode tab row may have a plurality of tab positions, respectively. The number of rows of the positive electrode cables 421 is the same as that of the positive electrode conductive pieces 411, and each positive electrode cable 421 is correspondingly connected to one row of the positive electrode conductive pieces 411; the number of columns of the negative electrode cables 422 is the same as that of the negative electrode conductive pieces 412, and each negative electrode cable 422 is correspondingly connected to one column of the negative electrode conductive pieces 412, so that the wiring and maintenance of the positive electrode cable 421 and the negative electrode cable 422 are facilitated. Of course, in specific applications, the positive cable 421 and the negative cable 422 may be replaced by metal conductive strips.
Specifically, one side of the cover 200 is rotatably connected to the device main body 100 through a rotating shaft structure, and a latch structure or a magnetic structure is disposed between the other side of the cover 200 and the device main body 100, so that the cover 200 can be reliably pressed against the lead frame. In this embodiment, the carrier 110 may be provided with a magnet, and another magnet or a magnetic conductive member (such as an iron sheet, an iron block, etc.) attracted to the magnet is disposed on the other side of the cover 200 and facing the surface of the carrier 110, and of course, the cover 200 may be made of an iron material and may be used as the magnetic conductive member.
In particular applications, the cover 200 may be plate-like, rod-like, frame-like, or mesh-like, among others.
Specifically, the cover 200 is provided with an observation window 210, and the observation window 210 is hollowed or provided with a transparent cover plate, and may also be provided with a light guide bar, a grid, etc., so as to observe the light emitting state of the LED light emitting device 920. An operator can visually observe the light emitting state of the LED light emitting device 920 and determine whether the LED light emitting device 920 is normal, and can rapidly mark the LED light emitting device 920 with abnormal light emission by using a marker or the like.
Of course, as an alternative, an imaging recognition device for recognizing whether the LED light emitting device 920 is on may be selectively disposed above the carrier 110, the testing device may test the LED light emitting device 920 after being powered on, the imaging recognition device may take a picture, recognize the abnormal (not on or with brightness lower than the set value) LED light emitting device 920 through the recognition analysis module, and send out alarm information through a horn or an indicator lamp, etc., so that the degree of automation is high.
The test device for testing the LED light emitting device provided by the embodiment of the utility model can refer to the following test steps:
placing a whole/plate lead frame with LED light emitting devices 920 onto a stage 110 of a test apparatus;
closing the cover body 200, wherein the probes (elastic ejector pins) are in contact with pins at the bottom of the LED light-emitting device 920 to realize electrical connection, and the cover body 200 and the carrier 110 are fixed by magnet adsorption, so that poor contact caused by loosening of a lead frame is avoided;
according to rated voltage and current of the LED light emitting device 920, the power output is regulated by a power output controller, and the power test is conducted;
the eyes observe whether there is a non-bright LED light emitting device 920, and if so, mark the LED light emitting device 920 of the defective lamp with a marker.
According to the testing device for testing the LED light emitting devices, provided by the embodiment of the utility model, the cover body 200 enables the LED light emitting devices 920 to be in stable contact with the conductive parts, the power module 300 is connected with the conductive parts of the LED light emitting devices 920 (lamp beads) through the conductive parts, independent electrifying tests can be carried out on each LED light emitting device 920, the LED light emitting devices 920 are not affected, the LED light emitting devices 920 do not need to be stamped to be separated from the lead frame, namely, all the LED light emitting devices 920 corresponding to the whole lead frame can be tested at one time, the testing efficiency is high, the LED light emitting devices 920 with failure problems can be found in time, the verification test period time is shortened, the verification efficiency is improved, and the application effect is good.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The testing device for testing the LED light-emitting devices is characterized by comprising a device main body, wherein the device main body is provided with a carrying platform, the carrying platform is used for placing the LED light-emitting devices with lead frames, the device main body is provided with a power supply module and testing units used for independently testing the LED light-emitting devices, each testing unit is connected with the power supply module, and each testing unit comprises a conductive part used for being connected with a conductive potential of each LED light-emitting device; the device main body is connected with a cover body for pressing the lead frame and the LED light-emitting device on the carrying platform.
2. A testing apparatus for testing an LED light emitting device according to claim 1, wherein the conductive member comprises a positive electrode conductive member for contacting a positive electrode of the LED light emitting device and a negative electrode conductive member for contacting a negative electrode of the LED light emitting device.
3. The test apparatus for testing an LED lighting device of claim 2, wherein the positive electrode conductive member has a positive electrode conductive portion that can elastically abut against the positive electrode of the LED lighting device; the negative electrode conductive member has a negative electrode conductive portion capable of elastically abutting against a negative electrode of the LED light-emitting device.
4. The testing device for testing an LED lighting device of claim 2, wherein the positive conductive member is an elastic pin or a metal spring; the negative electrode conductive piece is an elastic thimble or a metal elastic sheet.
5. A testing apparatus for testing an LED light emitting device according to claim 2, wherein the matrix of conductive members is arranged on the carrier; the power supply module is provided with an anode wiring row and a cathode wiring row, wherein the anode wiring row is connected with one or at least two anode cables, and the cathode wiring row is connected with one or at least two cathode cables;
at least the same row or at least the same column of positive electrode conductive pieces are connected to the same positive electrode cable, and at least the same row or at least the same column of negative electrode conductive pieces are connected to the same negative electrode cable.
6. The test apparatus for testing an LED lighting device of claim 5, wherein the number of rows of said positive electrode cables is the same as the number of rows of said positive electrode conductive members, each of said positive electrode cables being correspondingly connected to a row of said positive electrode conductive members;
the number of columns of the negative electrode cables is the same as that of the negative electrode conductive pieces, and each negative electrode cable is correspondingly connected with one column of the negative electrode conductive pieces.
7. A testing device for testing LED lighting devices as claimed in any one of claims 1 to 6, wherein one side of the cover is rotatably connected to the device body, and the other side of the cover and the device body are provided with a latch structure or a magnetic structure.
8. A testing device for testing LED lighting devices as claimed in any one of claims 1 to 6, wherein the cover is provided with an observation window, the observation window being hollowed out or provided with a transparent cover plate.
9. A testing apparatus for testing an LED lighting device according to any one of claims 1 to 6, wherein the power supply module has a voltage regulation module or/and a current regulation module.
10. A testing apparatus for testing an LED light emitting device according to any one of claims 1 to 6, wherein the carrier is provided with a positioning structure for positioning a lead frame;
and/or an imaging recognition device for recognizing whether the LED light-emitting device is lightened or not is arranged above the carrying platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222843939.7U CN219105126U (en) | 2022-10-25 | 2022-10-25 | Testing device for testing LED light-emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222843939.7U CN219105126U (en) | 2022-10-25 | 2022-10-25 | Testing device for testing LED light-emitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219105126U true CN219105126U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222843939.7U Active CN219105126U (en) | 2022-10-25 | 2022-10-25 | Testing device for testing LED light-emitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219105126U (en) |
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2022
- 2022-10-25 CN CN202222843939.7U patent/CN219105126U/en active Active
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