CN108445378B - LED drive plate testing device - Google Patents
LED drive plate testing device Download PDFInfo
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- CN108445378B CN108445378B CN201810573582.0A CN201810573582A CN108445378B CN 108445378 B CN108445378 B CN 108445378B CN 201810573582 A CN201810573582 A CN 201810573582A CN 108445378 B CN108445378 B CN 108445378B
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- 238000012360 testing method Methods 0.000 title claims abstract description 124
- 239000000523 sample Substances 0.000 claims abstract description 54
- 238000001514 detection method Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
Abstract
The invention provides an LED driving board testing device which comprises a device body and an LED testing lamp, wherein the device body is provided with a first ammeter, a testing motor, a testing fan, a probe set, a display screen, a selection key, a power interface, a switch, a testing lamp connecting wire and a control board for storing a testing program.
Description
Technical Field
The invention relates to the field of lamp manufacturing, in particular to an LED driving plate testing device.
Background
The driving board is used as a circuit driven by the LED light source, and the application of the driving board is more and more widespread. Compared with other components, the LED lamp must work between rated current areas, is darker if the rated current is smaller, and is easy to damage if the rated current is exceeded. In lamps, a driving board for controlling the light emission of the LEDs is particularly important. In the prior art, after the LED driving board is manufactured, detection is required, and due to design and integration requirements, chips such as a driving motor and a fan are further arranged on the LED driving board. In the prior art, some detection only can detect the structure of the circuit board to judge the quality of the circuit board, so that the performance of the circuit board cannot be guaranteed, and other detection devices can be installed on the whole machine to detect, and the circuit board is detached to overhaul and debug after finding out a problem, so that the circuit board is inconvenient to install and detach, is unfavorable for finding out the problem, is easy to make mistakes in connection of the driving board and other components, and cannot see current in detection.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the LED driving board testing device capable of rapidly detecting and accurately.
In order to solve the technical problems, the LED driving board testing device provided by the invention comprises a device body and an LED testing lamp, wherein the device body is provided with a first ammeter, a testing motor, a testing fan, a probe set, a display screen, a selection key, a power interface, a switch, a testing lamp connecting wire and a control board for storing a testing program, the output shaft of the testing motor is provided with a rotating disk, a Hall element is arranged near the rotating disk, the testing motor and the testing fan are in communication connection with the probe set, the first ammeter is electrically connected with the testing lamp connecting wire, the Hall element, the probe set, the display screen, the power interface, the selection key and the switch are in communication connection with the control board, the probe set comprises a plurality of telescopic probes, two sides of the probe set are provided with pressing buckles, positioning ejector pins are further arranged around the probe set, two ends of the testing lamp connecting wire are provided with a first connector and a second connector, and the first connector is used for being connected with the LED driving board, and the second connector is used for being connected with the LED testing lamp.
Further, a second ammeter and a third ammeter are further arranged on the device body, the second ammeter is electrically connected with a connecting wire between the test motor and the probe set, and the third ammeter is electrically connected with a connecting wire between the test fan and the probe set.
Optionally, a transformer is further arranged in the device body, and the transformer is in communication connection with the control board.
Further, the device body is a box body with an L-shaped section, the device body comprises a vertical part and a horizontal part, the first ammeter and the test fan are arranged in the vertical part, the test motor, the Hall element, the probe set, the test lamp connecting wire and the switch are arranged on the top surface of the horizontal part, and the display screen, the selection key and the power interface are arranged on the side surface of the device body.
Further, the hall element is located on the same plane as the rotating disk, and the hall element is disposed close to the rotating disk.
Further, the probe is vertically connected with the LED driving plate.
Optionally, two sides of the probe set are respectively provided with one pressing buckle, and the pressing buckles are distributed in a diagonal line.
Optionally, the press buckle is a frame buckle.
Further, the connection line between the first ammeter and the connection line of the test lamp, the control board, the probe set, the test motor, the test fan, the Hall element, the display screen, the selection key, the power interface and the connection line between the switches are all located in the device body.
The beneficial effects of the invention are as follows:
1. according to the invention, the driving plate is connected with the test motor, the test fan and the LED test lamp, and the first ammeter is also arranged, after the power is on, the driving plate can enable the test motor, the test fan and the LED test lamp to work, the quality and performance of the driving plate can be judged according to the rotation of the rotating disc and the fan and the brightness and current of the LED test lamp, the observation can be directly and intuitively carried out, the current can also be observed, the quality and performance of the circuit board can be detected at one time, the quick test and accuracy are realized, the device is simple and convenient to operate, the assembly line operation is facilitated, the detection of all chips on the driving plate can be realized, the driving plate is placed on the probe, the repeated connection and disconnection can be avoided, the error is not easy to happen, the efficiency is improved, the driving plate can be accurately placed, the driving plate and the probe is accurately connected, the probe is telescopic, the press buckles are arranged on the two sides of the probe set, the driving plate and the probe have good contact, and the inaccurate detection of the driving plate caused by poor contact is avoided.
2. The invention also provides a second ammeter and a third ammeter, so that the currents of the test motor and the test fan can be observed at the same time, and the detection is more accurate. The transformer is also arranged in the device body, so that the voltage passing through the driving plate is rated voltage, and the device can be used in various voltage environments.
3. The device body is a box body with an L-shaped cross section, the test motor and the test fan are arranged at the vertical part, and other parts are arranged in the horizontal part, so that the space of the device body can be fully utilized, and the observation and the operation are facilitated. In addition, the connecting wires among all the parts of the device are positioned in the device body, so that the circuit of the device is not easy to damage, and the whole device is kept clean, convenient and practical.
Drawings
Fig. 1 is a schematic structural diagram of an LED driving board testing device according to an embodiment.
1, a device body; 2. an LED test lamp; 3. a first ammeter; 4. testing a motor; 5. a rotating disc; 6. testing a fan; 7. a probe; 8. positioning the ejector pin; 9. testing a lamp connecting wire; 901. a first joint; 902. a second joint; 10. a Hall element; 11. a display screen; 12. a selection key; 13. a switch; 14. the frame is buckled.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the LED driving board testing device of this embodiment includes a device body 1 and an LED testing lamp 2, a first ammeter 3, a testing motor 4, a testing fan 6, a probe set, a display screen 11, a selection key 12, a power interface, a switch 13, a testing lamp connecting line 9 and a control board storing a testing program are provided on the device body 1, a rotating disk 5 is connected to an output shaft of the testing motor 4, a hall element 10 is provided near the rotating disk 5, the testing motor 4 and the testing fan 6 are connected with the probe set in a communication manner, the first ammeter 3 is electrically connected with the testing lamp connecting line 9, the hall element 10, the probe set, the display screen 11, the power interface, the selection key 12 and the switch 13 are connected with the control board in a communication manner, the probe set includes a plurality of telescopic probes 7, two sides of the probe set are also provided with a press buckle, the press buckle of this embodiment is a frame buckle 14, a positioning thimble 8 is provided around the probe set, two ends of the testing lamp connecting line 9 are provided with a first connector 901 and a second connector 902, the first connector 901 is used for connecting with the LED driving board, and the second connector 902 is used for connecting with the LED testing lamp 2. According to the number of LEDs driven by the LED driving board, the first ammeter 3 of the present embodiment is three. The control board of the present embodiment is provided with a program for starting, stopping, selecting, etc. The selection key 12 of the present embodiment can select the progress of the test and can select whether to test the motor, fan or LED lamp. The display 11 of the present embodiment can see the test progress, the option of selecting the key 12, the voltage, the feedback of the hall element 10, etc. The power interface is connected with a power supply through a wire, so that the device is electrified, then the LED driving plate is placed on the probe set, the mounting hole on the LED driving plate is aligned with the positioning thimble 8, the driving plate is pressed by the rack buckle 4, the first connector 901 is connected with the interface on the LED driving plate, the second connector 902 is connected with the LED test lamp 2, the test is selectively started, the LED driving plate controls the operation of the test motor 4, the test fan 6 and the LED test lamp 2, whether the test motor 4 is abnormal or not is monitored through the Hall element 10, the test motor is selected through the selection key 12, whether the test motor 4 is abnormal or not is monitored through the Hall element 10, the operation of the test motor 4 is observed through the rotation of the selection disk 5, the quality and performance of the area of the driving motor on the driving plate can be detected, and the possible problems of the circuit board can be found according to the rotation speed of the rotation disk 5 and the rotation of the rotation disk 5, the test of the LED lamp is observed through the operation condition of the test fan 6, the test of the LED lamp is observed, and the value of the LED test lamp is observed through the brightness of the LED test lamp 2 and the first ammeter 3. It should be noted that the test procedures of the above items may be disrupted and simultaneous testing may be selected.
The LED driving board testing device of this embodiment is through linking to each other driving board and test motor 4, test fan 6 and LED test lamp 2 and driving board, and still set up first ampere meter 3, after the circular telegram, the driving board can make test motor 4, test fan 6 and LED test lamp 2 work, judge the good and bad performance of driving board according to the rotation of rotary disk 5 and test fan 6, the light and the numerical value of first ampere meter 3 of LED test lamp 2, can directly naked eye, directly observe, and can also observe the electric current, the good and bad performance of disposable detection circuit board, quick test and accuracy, the device easy operation is convenient, be favorable to the pipelining, and can detect all chips on the driving board, the driving board is put on probe 7, can avoid connecing the taking out stitches many times, be difficult for making mistakes, raise the efficiency, the mounting hole aligns with location thimble 8 on the driving board, can accurately place the driving board, make driving board and probe 7 be connected accurately, and probe 7 is scalable and be equipped with the pressure knot in probe group both sides, make driving board and probe 7 have good contact, the detection that causes the bad contact to make the driving board.
In this embodiment, the device body 1 is further provided with a second ammeter and a third ammeter, the second ammeter is electrically connected with the connecting wire between the test motor 4 and the probe set, and the third ammeter is electrically connected with the test fan 6 and the probe set, so that currents of the test motor and the test fan can be observed at the same time, and detection is more accurate. In addition, the device body 1 is also internally provided with a transformer, and the transformer is in communication connection with the control board, so that the voltage passing through the LED driving board is rated voltage and can be used in various voltage environments.
The device body 1 of this embodiment is the box body that the cross-section is "L shape", and device body 1 includes vertical part and horizontal part, and first ampere meter 3 and test fan 6 are located the vertical part, and the observation position of first ampere meter 3 and test fan 6 is located on the vertical part side opposite with the horizontal part top surface, and test motor 4, hall element 10, probe set, test lamp connecting wire 9 and switch 13 are located the top surface of horizontal part, and display screen 11 and selection key 12 are located one side of horizontal part, and power interface is located on the other side of horizontal part, can make full use of the space of device body to be favorable to observing and operating. In addition, the connecting wire between the first ammeter 3 and the test lamp connecting wire 9 and the connecting wire between the test motor 4, the test fan 6, the Hall element 10, the probe set, the display screen 11, the selection key 12, the power interface and the switch 13 are all positioned in the device body 1, so that the circuit of the device is not easy to damage, and the whole device is kept clean, convenient and practical.
In addition, the hall element 10 and the rotating disk 5 are located on the same plane, and the hall element 10 is arranged close to the rotating disk 5, so that vibration of the motor can be detected, and detection is more accurate. The probe 7 is vertically connected with the LED driving plate, so that the connection effect is good, the design of the device is facilitated, and the use is convenient. The probes 7 of the probe set of this embodiment should be designed according to each connection point on the LED driving board. In addition, two sides of the probe set in this embodiment are respectively provided with a rack buckle 14, and the rack buckles 14 are distributed in a diagonal line, so that fewer rack buckles 14 are used, but the connection between the driving plate and the probe 7 can be well ensured. The frame buckle 14 is adopted in the pressing buckle of the embodiment, because the frame buckle 14 is convenient to use and has good pressing effect.
In summary, the LED test device of this embodiment connects the driving board with the test motor 4, the test fan 6 and the LED test lamp 2 with the driving board, and the first ammeter 3 is further provided, after the power is on, the driving board can make the test motor 4, the test fan 6 and the LED test lamp 2 work, and according to the rotation of the rotating disk 5 and the test fan 6, the brightness of the LED test lamp 2 and the numerical value of the first ammeter 3, the quality and performance of the driving board can be directly observed visually, and the current can be observed, the quality and performance of the circuit board can be detected once, the quick test and accuracy are achieved, the device is simple and convenient to operate, the assembly line operation is facilitated, and all chips on the driving board can be detected, the driving board is placed on the probe 7, multiple connection and disconnection can be avoided, the error is not easy, the efficiency is improved, the mounting hole on the driving board is aligned with the positioning thimble 8, the driving board can be accurately placed, the driving board is accurately connected with the probe 7, and the probe 7 is telescopic and the two sides of the probe group are provided with the pressing buckles, so that the driving board and the probe 7 has good contact, and the bad contact and bad driving are avoided.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (7)
1. The LED driving board testing device is characterized by comprising a device body and an LED testing lamp, wherein a first ammeter, a testing motor, a testing fan, a probe set, a display screen, a selection key, a power interface, a switch, a testing lamp connecting wire and a control board for storing a testing program are arranged on the device body; the device body is also provided with a second ammeter and a third ammeter, the second ammeter is electrically connected with a connecting wire between the test motor and the probe set, and the third ammeter is electrically connected with a connecting wire between the test fan and the probe set;
the device body is a box body with an L-shaped section, the device body comprises a vertical part and a horizontal part, the first ammeter and the test fan are arranged in the vertical part, the test motor, the Hall element, the probe group, the test lamp connecting wire and the switch are arranged on the top surface of the horizontal part, and the display screen, the selection key and the power interface are arranged on the side surface of the device body.
2. The LED driver board test device of claim 1, wherein a transformer is further provided in the device body, the transformer being communicatively connected to the control board.
3. The LED driver board test device of claim 1, wherein the hall element is in the same plane as the rotating disk and the hall element is disposed proximate to the rotating disk.
4. The LED driver board test device of claim 1, wherein the probes are connected perpendicular to the LED driver board.
5. The LED driving board testing device according to claim 1, wherein the press buttons are disposed on two sides of the probe set, and the press buttons are distributed diagonally.
6. The LED driver board test apparatus of claim 1, wherein the press button is a rack button.
7. The LED driving board test device of any one of claims 1 to 6, wherein the connection lines between the first ammeter and the test lamp connection line and the connection lines between the control board, the probe set, the test motor, the test blower, the hall element, the display screen, the selection key, the power interface, and the switch are all located within the device body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810573582.0A CN108445378B (en) | 2018-06-06 | 2018-06-06 | LED drive plate testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810573582.0A CN108445378B (en) | 2018-06-06 | 2018-06-06 | LED drive plate testing device |
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| CN108445378A CN108445378A (en) | 2018-08-24 |
| CN108445378B true CN108445378B (en) | 2024-04-09 |
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| CN201810573582.0A Active CN108445378B (en) | 2018-06-06 | 2018-06-06 | LED drive plate testing device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188238A (en) * | 2018-07-23 | 2019-01-11 | 南通同洲电子有限责任公司 | A kind of set-top box main board function test fixture |
| CN112014715B (en) * | 2020-07-24 | 2023-06-27 | 杭州微光电子股份有限公司 | EC fan control panel detection device |
| CN112816848A (en) * | 2020-09-23 | 2021-05-18 | 保定来福汽车照明集团有限公司 | Car light drive plate testing arrangement |
| CN116359717B (en) * | 2023-06-02 | 2023-08-29 | 深圳赛仕电子科技有限公司 | Continuous testing device for OLED panel driving IC |
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| US4736108A (en) * | 1986-07-29 | 1988-04-05 | Santana Engineering Systems | Apparatus and method for testing coplanarity of semiconductor components |
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| CN108445378A (en) | 2018-08-24 |
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