CN212301811U - LED lamp strip detection device - Google Patents
LED lamp strip detection device Download PDFInfo
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- CN212301811U CN212301811U CN202020631342.4U CN202020631342U CN212301811U CN 212301811 U CN212301811 U CN 212301811U CN 202020631342 U CN202020631342 U CN 202020631342U CN 212301811 U CN212301811 U CN 212301811U
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- plate
- negative pressure
- led lamp
- test base
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 49
- 238000012360 testing method Methods 0.000 claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims description 13
- 239000011324 bead Substances 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Abstract
The utility model discloses a LED lamp strip detection device, including the test base, set up a plurality of standing grooves of placing LED lamp strip on the upper plate of test base, the tank bottom of standing groove is provided with a plurality of absorption holes, is provided with in the test base and adsorbs the communicating negative pressure subassembly of hole, and the negative pressure subassembly will adsorb the hole extraction negative pressure with the LED lamp strip in the fixed standing groove. The test device comprises a test base, and is characterized in that a fixing frame is arranged on one side of the test base, a movable plate which is driven by a cylinder to be close to or far away from the base is arranged on the fixing frame, the movable plate is positioned right above the test base, the lower end of the movable plate is connected with a probe plate which can move up and down along the movable plate through a buffer assembly, a plurality of groups of probes corresponding to LED lamp strips are arranged on the probe plate, the upper ends of the probes are electrically connected with a power supply conversion module fixed in the fixing frame through wires, an AC power supply socket connected with the input end of the power supply conversion module is.
Description
Technical Field
The utility model relates to a LED detects technical field, especially relates to LED lamp strip detection device.
Background
Currently, as the technology of manufacturing and packaging LED chips becomes mature, the cost of LED elements is greatly reduced, and LEDs are more and more widely used. The LED light bars form important components of an LED light-emitting plate, and the LED light bars are formed by assembling LED particles on a strip-shaped FPC (flexible printed circuit) or PCB (printed circuit board). When the LED luminescent plate is assembled and finished and then tested, if damaged LED particles are found, the LED luminescent plate is difficult to disassemble and assemble. The LED strip therefore needs to be tested before assembly. The LED light bar test is to light the whole LED light bar under the working current and observe whether each LED particle is lighted. At present, the LED light bar test mainly utilizes the positive and negative probes manually held and respectively lap-jointed on the LED light bar, so that the efficiency is low, the trouble and the labor are wasted, and the condition of missed detection is likely to occur. And some detection tool lack the effective fixed to LED lamp strip, when the probe pushes down, may damage probe or LED lamp strip.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a LED lamp strip detection device.
In order to achieve the above purpose, the utility model discloses a technical scheme is: LED lamp strip detection device, including test base, its characterized in that: the testing base is internally provided with a negative pressure assembly communicated with the adsorption holes, and the negative pressure assembly extracts negative pressure from the adsorption holes to fix the LED lamp bars in the placement grooves; the test device comprises a test base and is characterized in that a fixing frame is arranged on one side of the test base, a movable plate which is close to/far away from the base under the drive of a cylinder is arranged on the fixing frame, the movable plate is located right above the test base, the lower end of the movable plate is connected with a probe plate which can move up and down along the movable plate through a buffering assembly, a plurality of groups of probes which correspond to LED lamp strips are arranged on the probe plate, the upper ends of the probes are electrically connected with a power conversion module which is fixed in the fixing frame through wires, an AC power socket which is connected with the input end of the power conversion module is arranged on the fixing frame, and when the.
The beneficial effects of the utility model reside in that: the test base is provided with a placing groove for placing the LED lamp strip, and the LED lamp strip is adsorbed on the test base through the adsorption hole and the negative pressure component, so that the LED lamp strip is convenient to fix. The air cylinder drives the moving plate to drive the probe to move downwards to contact the LED lamp strip, the probe is communicated with the power supply conversion module in the rack, and the LED lamp strip is detected by observing the lighting condition of the LED lamp post. Degree of automation is high, and is efficient, prevents to miss to examine, and the buffer member of movable plate and probe plate spare makes the cylinder push down and can shift up after the probe contacts LED lamp strip, reduces the damage to probe and LED lamp strip.
Furthermore, the buffer assembly comprises four guide holes arranged at four corners of the moving plate, guide pillars capable of sliding up and down are arranged in the guide holes, the lower ends of the guide pillars are fixedly connected with the probe board, and springs are sleeved on the parts, located between the moving plate and the probe board, of the guide pillars.
More specifically, one end of the spring is fixedly connected with the lower end surface of the moving plate, and the other end of the spring is fixedly connected with the upper end surface of the probe card.
Further, the negative pressure assembly comprises a negative pressure source, an air pipe, a bottom plate and four side plates, the four side plates are fixed at the lower end of the upper plate of the testing base, the bottom plate is fixed at the lower end of the side plate, a negative pressure cavity is formed between the upper plates of the side plate, the bottom plate and the testing base, the adsorption hole is communicated with the negative pressure cavity, and the negative pressure cavity is communicated with the negative pressure source through the air pipe.
Furthermore, a plurality of linear bearings are further arranged on the moving plate and positioned on the outer sides of the guide holes, slide rods capable of sliding up and down along the linear bearings are connected in the linear bearings in a sliding mode, and the lower ends of the slide rods are fixedly connected with the test base, so that the moving plate can move more stably.
Further, a switch for controlling the power conversion module and the LED lamp strip to open and close is further arranged on the fixing frame, and when the control switch is turned on, the power conversion module is conducted with the probe.
Further, the upper plate of test base still is provided with the horizontal reference numeral of sitting of mark standing groove line number and the vertical reference numeral of sitting of mark lamp pearl column number, is convenient for the inspector to take notes the LED lamp pearl on the LED lamp strip and the LED lamp strip of damage.
Preferably, the movable plate and the probe plate are transparent plates, the LED lamp strip is light-permeable, and a detector is convenient to observe the lighting condition of the lamp beads.
Preferably, the fixing frame comprises a vertical column and a horizontal transverse plate, the vertical column is vertically arranged, the horizontal transverse plate is fixed at the upper end of the vertical column, the air cylinder is fixed on the horizontal transverse plate, and the power conversion module is fixed in the vertical column.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a top view of the testing base according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the negative pressure assembly in an embodiment of the present invention;
fig. 5 is a circuit functional diagram according to an embodiment of the present invention.
In the figure:
the test device comprises a test base 1, a transverse coordinate 1a, a longitudinal coordinate 1b, a placement groove 2, an adsorption hole 21, a negative pressure source 22, an air pipe 23, a bottom plate 24, a side plate 25, a negative pressure cavity 26, an air cylinder 3, a movable plate 4, a buffer assembly 5, a guide pillar 51, a spring 52, a probe plate 6, a probe 61, a power supply conversion module 7, an AC power supply socket 71, a linear bearing 81, a slide bar 82, a switch 9, a vertical column 10 and a horizontal transverse plate 11.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1-5, the utility model discloses a LED lamp strip detection device, including test base 1, test base 1 is hollow cuboid. The test base is characterized in that a plurality of placing grooves 2 for placing LED lamp strips are formed in the upper plate of the test base 1, a plurality of adsorption holes 21 are formed in the bottom of each placing groove 2, negative pressure components communicated with the adsorption holes 21 are arranged in the test base 1, and the adsorption holes 21 are used for extracting negative pressure to fix the LED lamp strips in the placing grooves 2. The negative pressure subassembly includes negative pressure source 22, trachea 23, bottom plate 24 and four curb plates 25, four terminal surface under the upper plate of test base 1 is fixed to curb plate 25, bottom plate 24 is fixed at curb plate 25 lower extreme, curb plate 25, bottom plate 24 and test base 1's upper plate enclose into a negative pressure chamber 26, adsorption hole 21 communicates with each other with negative pressure chamber 26, negative pressure chamber 26 passes through trachea 23 intercommunication negative pressure source 22. The negative pressure source 22 pumps the negative pressure cavity 26 into negative pressure through the air pipe 23, so that the LED light bars are fixed in the placing groove 2, damage to the LED light bars is reduced, and meanwhile the LED light bars can be fixed.
The testing device is characterized in that a fixing frame is arranged on one side of the testing base 1 and comprises a vertical column 10 and a horizontal transverse plate 11, the vertical column 10 is vertically arranged, the horizontal transverse plate 11 is fixed to the upper end of the vertical column 10, the air cylinder 3 is fixed to the horizontal transverse plate 11, a telescopic shaft of the air cylinder 3 penetrates through the horizontal transverse plate 11 and is connected with a movable plate 4, and the movable plate 4 is close to or far away from the base under the. The movable plate 4 is positioned right above the test base 1, the lower end of the movable plate 4 is connected with a probe plate 6 which can move up and down along the movable plate 4 through a buffer component 5, and the probe plate 6 can move up and down along with the movable plate 4. The movable plate 4 and the probe plate 6 are transparent plates, the LED lamp strips are light-permeable, and a detector is convenient to observe the lighting condition of the lamp beads. The probe board 6 is provided with a plurality of groups of probes 61 corresponding to the LED lamp strips, the upper ends of the probes 61 are electrically connected with a power conversion module 7 fixed in the fixing frame through wires, and the power conversion module 7 is fixed in the upright post 10. The fixing frame is provided with an AC power socket 71 connected with the input end of the power conversion module 7, and the power conversion module 7 is used for converting external 220V alternating current into 5V direct current which can be used by the LED lamp strip. When the probe 61 moves down to contact the LED light bar, the power conversion module 7 supplies power to the LED light bar.
The buffer assembly 5 comprises four guide holes arranged at four corners of the moving plate 4, guide posts 51 capable of sliding up and down are arranged in the guide holes, the lower ends of the guide posts 51 are fixedly connected with the probe 61 plate 6, and springs 52 are sleeved on the parts, located between the moving plate 4 and the probe 61 plate 6, of the guide posts 51. More specifically, one end of the spring 52 is fixed to the lower end surface of the moving plate 4, and the other end is fixed to the upper end surface of the probe card 6.
The outer side of the guide hole on the moving plate 4 is also provided with a plurality of linear bearings 81, the linear bearings 81 are connected with sliding rods 82 capable of sliding up and down along the linear bearings, and the lower ends of the sliding rods 82 are fixedly connected with the test base 1, so that the moving plate 4 can move more stably.
Still be provided with the switch 9 that opens and shuts between control power conversion module 7 and the LED lamp area on the mount, when control switch 9 opened, power conversion module 7 switches on with probe 61. The upper plate of the test base 1 is also provided with a transverse coordinate number 1a marking the number of 2 rows of the placement grooves and a longitudinal coordinate number 1b marking the number of the lamp bead columns, so that a detector can conveniently record damaged LED lamp bars and LED lamp beads on the LED lamp bars.
The test base 1 is provided with a placing groove 2 for placing the LED lamp strip, and the LED lamp strip is adsorbed on the test base 1 through the adsorption hole 21 and the negative pressure component, so that the LED lamp strip is convenient to fix. The air cylinder 3 drives the moving plate 4 to drive the probe 61 to move downwards to contact the LED lamp strip, the probe is communicated with the power conversion module 7 in the rack, and the LED lamp strip is detected by observing the lighting condition of the LED lamp post. Degree of automation is high, and is efficient, prevents to miss to examine, and the buffer unit of 6 pieces of movable plate 4 and probe 61 board makes 3 pushes down and can shift up after probe 61 contacts LED lamp strip, reduces the damage to probe 61 and LED lamp strip.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (9)
- LED lamp strip detection device, including the test base, its characterized in that: the testing base is internally provided with a negative pressure assembly communicated with the adsorption holes, and the negative pressure assembly extracts negative pressure from the adsorption holes to fix the LED lamp bars in the placement grooves; the test device comprises a test base and is characterized in that a fixing frame is arranged on one side of the test base, a movable plate which is close to/far away from the test base under the drive of an air cylinder is arranged on the fixing frame, the movable plate is located right above the test base, the lower end of the movable plate is connected with a probe plate capable of moving up and down along the movable plate through a buffering assembly, a plurality of groups of probes corresponding to LED lamp strips are arranged on the probe plate, the upper ends of the probes are electrically connected with a power conversion module fixed in the fixing frame through wires, an AC power socket connected with the input end of the power conversion module is arranged on the fixing frame, and when the probes move down to.
- 2. The LED light bar detection device of claim 1, wherein: the buffer assembly comprises four guide holes arranged at four corners of the moving plate, guide pillars capable of sliding up and down are arranged in the guide holes, the lower ends of the guide pillars are fixedly connected with the probe plate, and springs are sleeved on the parts, located between the moving plate and the probe plate, of the guide pillars.
- 3. The LED light bar detection device of claim 2, wherein: one end of the spring is fixedly connected with the lower end face of the moving plate, and the other end of the spring is fixedly connected with the upper end face of the probe plate.
- 4. The LED light bar detection device of claim 1, wherein: the negative pressure assembly comprises a negative pressure source, an air pipe, a bottom plate and four side plates, the four side plates are fixed on the lower end face of the upper plate of the testing base, the bottom plate is fixed at the lower ends of the side plates, a negative pressure cavity is defined by the side plates, the bottom plate and the upper plate of the testing base, the adsorption hole is communicated with the negative pressure cavity, and the negative pressure cavity is communicated with the negative pressure source through the air pipe.
- 5. The LED light bar detection device of claim 2, wherein: the outer side of the guide hole on the moving plate is also provided with a plurality of linear bearings, the linear bearings are connected with sliding rods capable of sliding up and down along the linear bearings in a sliding mode, and the lower ends of the sliding rods are fixedly connected with the test base.
- 6. The LED light bar detection device of claim 1, wherein: the fixing frame is further provided with a switch for controlling the power conversion module and the LED lamp strip to be opened and closed, and when the switch is opened, the power conversion module is conducted with the probe.
- 7. The LED light bar detection device of claim 1, wherein: the upper plate of the test base is also provided with transverse coordinates of the number of the rows of the mark placing grooves and longitudinal coordinates of the number of the columns of the mark lamp beads.
- 8. The LED light bar detection device of claim 1, wherein: and the moving plate and the probe plate are both transparent plates.
- 9. The LED light bar detection device of claim 1, wherein: the mount includes the stand of perpendicular setting and fixes the horizontal diaphragm in the stand upper end, the cylinder is fixed on horizontal diaphragm, power conversion module fixes in the stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631342.4U CN212301811U (en) | 2020-04-23 | 2020-04-23 | LED lamp strip detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631342.4U CN212301811U (en) | 2020-04-23 | 2020-04-23 | LED lamp strip detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212301811U true CN212301811U (en) | 2021-01-05 |
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ID=73963117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020631342.4U Expired - Fee Related CN212301811U (en) | 2020-04-23 | 2020-04-23 | LED lamp strip detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212301811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236241A (en) * | 2022-02-25 | 2022-03-25 | 深圳市华盛源机电有限公司 | Method capable of automatically and simultaneously detecting conductivity of conductive holes of radiator |
-
2020
- 2020-04-23 CN CN202020631342.4U patent/CN212301811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236241A (en) * | 2022-02-25 | 2022-03-25 | 深圳市华盛源机电有限公司 | Method capable of automatically and simultaneously detecting conductivity of conductive holes of radiator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |