CN204439776U - A kind of Simple LED lamp board test device - Google Patents
A kind of Simple LED lamp board test device Download PDFInfo
- Publication number
- CN204439776U CN204439776U CN201520184638.5U CN201520184638U CN204439776U CN 204439776 U CN204439776 U CN 204439776U CN 201520184638 U CN201520184638 U CN 201520184638U CN 204439776 U CN204439776 U CN 204439776U
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- CN
- China
- Prior art keywords
- power supply
- lamp
- insulating power
- output line
- negative pole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
A kind of Simple LED lamp board test device, be made up of ac power plug, interchange connecting line, insulating power supply, insulating power supply positive pole output line, current-limiting resistance, positive pole test pen, insulating power supply negative pole output line, negative pole test pen, shell, at the insulating power supply positive pole output line string current limiting resistance of insulating power supply, another termination positive pole test pen of current-limiting resistance, insulating power supply negative pole output line is connected to negative pole test pen; Have employed scheme of the present utility model, directly can measure single lamp pearl, the LEDbulb lamp lamp plate, LED daylight lamp lamp bar, LED projector lamp integrated lamp bulb etc. of a watt to more than 20 watts, even if reverse polarity connection, also lamp pearl can not be damaged, and it is with low cost, it is extremely convenient to use, and greatly can improve the efficiency of little microbusiness to LED lamp panel maintenance, detection.
Description
Technical field
The utility model relates to a kind of LED lamp panel tester, especially uses a kind of low cost, LED lamp panel tester easy to use that insulating power supply makes.
Background technology
At present, LED has started to popularize, and for manufacturer, often will test the quality of the LED lamp panel of just welding out, determines on lamp plate, whether some lamp pearl welds, and whether polarity welds instead, the enterprise of maintenance LED, often all to detect the damaged condition of lamp pearl on lamp plate, to change lamp pearl, for large and medium-sized enterprise, generally instrumentation is had to detect, but for little microbusiness, fund is general all nervous, generally all do not purchase professional equipment, just be used for testing the quality of single LED lamp pearl at ordinary times with the diode measurement shelves of multimeter, but can not directly test whole lamp plate, or by constant current isolation LED drive power direct LED lamp panel test quality, but easily by reverse polarity connection, large wattage driving power receives again miniwatt lamp plate sometimes, test electrode position wrong etc. all easily causes lamp pearl to damage, use extremely inconvenient.
Utility model content
In order to the diode measurement shelves overcoming little microbusiness multimeter can not directly survey whole lamp plate, or directly measure LED lamp panel easily by reverse polarity connection by constant current isolation LED drive power, large wattage driving power is sometimes received again miniwatt lamp plate and is easily damaged lamp plate, test electrode position wrong etc. easily causes lamp pearl to damage, use extremely inconvenient shortcoming, the utility model proposes a kind of Simple LED lamp board test device with head it off, its good effect is: have employed a kind of Simple LED lamp board test device to test lamp plate or lamp pearl, directly can measure single lamp pearl, the LEDbulb lamp lamp plate of 1 watt to more than 20 watts, LED daylight lamp lamp bar, LED projector lamp integrated lamp bulb etc., even if reverse polarity connection, also lamp pearl can not be damaged, and it is with low cost, it is extremely convenient to use, greatly can improve little microbusiness to keep in repair LED lamp panel, the efficiency detected.
The utility model solves the technical scheme that its technical matters adopts: a kind of Simple LED lamp board test device of the present utility model, be made up of ac power plug, interchange connecting line, insulating power supply, insulating power supply positive pole output line, current-limiting resistance, positive pole test pen, insulating power supply negative pole output line, negative pole test pen, shell, at the insulating power supply positive pole output line string current limiting resistance of insulating power supply, another termination positive pole test pen of current-limiting resistance, insulating power supply negative pole output line is connected to negative pole test pen.
The technical solution adopted in the utility model will coordinate accompanying drawing to elaborate in a particular embodiment.
Accompanying drawing explanation
Here is brief description of drawings.
Fig. 1 is a kind of Simple LED lamp board test device structural representation of the present utility model.
1. ac power plugs in figure, 2. exchange connecting line, 3. insulating power supply, 4. insulating power supply positive pole output line, 5. current-limiting resistance, 6. positive pole test pen, 7. insulating power supply negative pole output line, 8. negative pole test pen, 9. shell.
Embodiment
In the embodiment in figure 1, we further illustrate the utility model to implement one one kinds of Simple LED lamp board test devices:
Fig. 1 is a kind of Simple LED lamp board test device schematic diagram of the present utility model, in figure, ac power plug 1 is connected with and exchanges connecting line 2, the other end of AC power connecting line 2 is connected on the input end of insulating power supply 3, insulating power supply 3 becomes direct current high-voltage alternating exactly, low-voltage direct is become again by the higher-order of oscillation, this is unusual proven technique in Switching Power Supply, also very ripe in LED drive power, be not described in detail in this, the simplest way of insulating power supply 3 of the present utility model is exactly directly with a LED isolation drive power supply, its Open Output Voltage is at 70 volts, also can directly use an Industrial Frequency Transformer 220 volts AC are become low-voltage alternating-current again rectifying and wave-filtering obtain low-voltage direct, equally can achieve the goal.In order to test different types of LED lamp panel, a current-limiting resistance 5 must be connected in series at insulating power supply positive pole output line 4 end, its resistance is advisable at about 40 kilo-ohms, the certain current-limiting resistance 5 of another termination positive pole test pen 6(of current-limiting resistance 5 as be connected on effect on insulating power supply negative pole output line 7 be also), another termination negative pole test pen 8 of insulating power supply negative pole output line 7, positive pole test pen 6 and negative pole test pen 8 use the test pencil of ordinary numbers multimeter to reequip just, load onto shell, plug in and just can arbitrarily measure the lamp plate of different wattage, which lamp pearl is not luminous, just be judged as damaging or loose contact, change exactly.
Claims (1)
1. a Simple LED lamp board test device, be made up of ac power plug (1), interchange connecting line (2), insulating power supply (3), insulating power supply positive pole output line (4), current-limiting resistance (5), positive pole test pen (6), insulating power supply negative pole output line (7), negative pole test pen (8), shell (9), it is characterized in that: at the insulating power supply positive pole output line (4) string current limiting resistance (5) of insulating power supply (3), another termination positive pole test pen (6) of current-limiting resistance (5), insulating power supply negative pole output line (7) is connected to negative pole test pen (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184638.5U CN204439776U (en) | 2015-03-30 | 2015-03-30 | A kind of Simple LED lamp board test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184638.5U CN204439776U (en) | 2015-03-30 | 2015-03-30 | A kind of Simple LED lamp board test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204439776U true CN204439776U (en) | 2015-07-01 |
Family
ID=53607626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520184638.5U Expired - Fee Related CN204439776U (en) | 2015-03-30 | 2015-03-30 | A kind of Simple LED lamp board test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204439776U (en) |
-
2015
- 2015-03-30 CN CN201520184638.5U patent/CN204439776U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150701 Termination date: 20160330 |