CN204613377U - A kind of LED light source tester - Google Patents
A kind of LED light source tester Download PDFInfo
- Publication number
- CN204613377U CN204613377U CN201520307399.8U CN201520307399U CN204613377U CN 204613377 U CN204613377 U CN 204613377U CN 201520307399 U CN201520307399 U CN 201520307399U CN 204613377 U CN204613377 U CN 204613377U
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- circuit
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- led light
- led
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Abstract
The utility model discloses a kind of LED light source tester, comprise AC/DC switching power circuit and shell, AC/DC switching power circuit is established in the enclosure, the input end of AC/DC switching power circuit is connected with power input socket, it is characterized in that: also comprise electric current automatic slow-raising module, AC/DC switching power circuit output terminal is connected with electric current automatic slow-raising module, the utility model smart structural design, volume is little, lightweight, simple to operate, easy to use, easy to carry high with security, be widely used in arbitrary dimension LED television backlight lamp bar, single LED lamp pearl, LED lamp panel, the Measuring error of LED string or LED integrated optical source and outdoor brightening LED light source.
Description
Technical field
The utility model belongs to LED technology field, relates to a kind of LED light source tester.
Background technology
Along with LED constantly makes a breakthrough at technical elements, application is more and more extensive, and people are optical, electrical to LED, the detection of look parameter it is also proposed higher standard.LED driving circuit is widely used as the main circuit of LED light fixture., there is the problem of poor reliability in existing LED detection system complex structure simultaneously.
Chinese patent: application number 201410156628.0, disclose a kind of LED detection system, comprise LED light source module, PWM control module, driver module, current detection module and voltage detection module, the described output terminal of PWM control module is connected with the input end of driver module, first output terminal of described driver module is connected with the input end of switch module, and the output terminal of switch module is connected with LED light source module; Second output terminal of described driver module is connected with the test side of voltage detection module with current detection module respectively, the input end of electrical isolation module described in the output termination of described voltage detection module; The input end of electrical isolation module described in the output termination of described current detection module; The feedback end of PWM control module described in the output termination of described electrical isolation module, for exporting to PWM control module by the electric signal of described voltage detection module and current detection module.Although this invention solves the problem that part detects LED, also there is trigger voltage too large, thus easily burn lamp, easily Danger Electric shock risk is caused to personnel, need debugging and the shortcoming that the scope of application is little in use.
Summary of the invention
The purpose of this utility model is the deficiency for existing LED light source tester, provides a kind of structure simple, simple to operate, easy to use, easy to carry and LED light source tester that security is high.
To achieve these goals, the utility model have employed following technical scheme:
A kind of LED light source tester, comprise AC/DC switching power circuit and shell, AC/DC switching power circuit is established in the enclosure, the input end of AC/DC switching power circuit is connected with power input socket, it is characterized in that: also comprise electric current automatic slow-raising module, AC/DC switching power circuit output terminal is connected with electric current automatic slow-raising module.
Above-described electric current automatic slow-raising module comprises DC-DC constant-current circuit, current control circuit, integrating circuit and output circuit; Described DC-DC constant-current circuit, current control circuit, integrating circuit are connected successively with output circuit, and the input end of DC-DC constant-current circuit is connected with the output terminal of AC/DC switching power circuit.
Above-described shell also includes voltage display screen, and voltage display screen is connected with the output terminal of output circuit.
Above-described electric current automatic slow-raising module also includes open circuit reset circuit, and open circuit reset circuit is connected with output circuit.
The output terminal of above-described output circuit is provided with red-black sheath type banana bin.
Above-described AC/DC switching power circuit is provided with power switch.
The beneficial effects of the utility model:
1, the utility model is by increasing electric current automatic slow-raising module, make the utility model can soft start after connecting with the mains, wait after 3-5 second and get final product proper testing, measured light (backlight) soft start can be made, the voltage of output terminal slowly changes from small to big Intelligent adjustment, thus measured light (backlight) is by secretly brightening.Also staff is made to be not easy to get an electric shock, thus the safety of the personnel of guarantee, lamp is not easy to be burnt out by strong voltage, and operation does not need professional training to use, thus reduces the cost of enterprise greatly.
2, the utility model smart structural design, volume is little, lightweight, simple to operate, easy to use, easy to carry and security is high, be widely used in arbitrary dimension LED television backlight lamp bar, the Measuring error of single LED lamp pearl, LED lamp panel, LED string or LED integrated optical source and outdoor brightening LED light source.
Accompanying drawing explanation
Accompanying drawing 1 is the LED light source tester assembly structure schematic diagram of embodiment.
Embodiment
With reference to the accompanying drawings, embodiment of the present utility model is further described in detail.
Embodiment 1:
As shown in Figure 1, a kind of LED light source tester, comprise AC/DC switching power circuit and shell, shell is PC high flame-retardant material envelope, AC/DC switching power circuit is established in the enclosure, and the input end of AC/DC switching power circuit is connected with power input socket, and AC/DC switching power circuit is provided with power switch, wherein: also comprise electric current automatic slow-raising module and voltage display screen, AC/DC switching power circuit output terminal is connected with electric current automatic slow-raising module.Electric current automatic slow-raising module comprises DC-DC constant-current circuit, current control circuit, integrating circuit, output circuit and open circuit reset circuit, open circuit reset circuit is connected with output circuit, and DC-DC constant-current circuit, current control circuit, integrating circuit are connected successively with output circuit.The input end of DC-DC constant-current circuit is connected with the output terminal of AC/DC switching power circuit, and the output terminal of output circuit is provided with red-black sheath type banana bin, and voltage display screen is connected with the output terminal of output circuit.
Above-described embodiment, just one of more preferably concrete mode of the present utility model, the usual change that those skilled in the art carry out within the scope of technical solutions of the utility model and replacement all should be included in protection domain of the present utility model.
Claims (6)
1. a LED light source tester, comprise AC/DC switching power circuit and shell, AC/DC switching power circuit is established in the enclosure, the input end of AC/DC switching power circuit is connected with power input socket, it is characterized in that: also comprise electric current automatic slow-raising module, AC/DC switching power circuit output terminal is connected with electric current automatic slow-raising module.
2. LED light source tester according to claim 1, is characterized in that: described electric current automatic slow-raising module comprises DC-DC constant-current circuit, current control circuit, integrating circuit and output circuit; Described DC-DC constant-current circuit, current control circuit, integrating circuit are connected successively with output circuit, and the input end of DC-DC constant-current circuit is connected with the output terminal of AC/DC switching power circuit.
3. LED light source tester according to claim 1, it is characterized in that: described shell also includes voltage display screen, voltage display screen is connected with the output terminal of output circuit.
4. LED light source tester according to claim 1 and 2, is characterized in that: described electric current automatic slow-raising module also includes open circuit reset circuit, and open circuit reset circuit is connected with output circuit.
5. LED light source tester according to claim 2, is characterized in that: the output terminal of described output circuit is provided with red-black sheath type banana bin.
6. LED light source tester according to claim 1, is characterized in that: described shell is PC high flame-retardant material envelope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307399.8U CN204613377U (en) | 2015-05-13 | 2015-05-13 | A kind of LED light source tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307399.8U CN204613377U (en) | 2015-05-13 | 2015-05-13 | A kind of LED light source tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204613377U true CN204613377U (en) | 2015-09-02 |
Family
ID=53965925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520307399.8U Expired - Fee Related CN204613377U (en) | 2015-05-13 | 2015-05-13 | A kind of LED light source tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204613377U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168656A (en) * | 2016-08-24 | 2016-11-30 | 山东蓝色电子科技有限公司 | A kind of LED lamp bar universal burn-in experiment instrument |
| CN108802632A (en) * | 2018-05-24 | 2018-11-13 | 中车青岛四方机车车辆股份有限公司 | Fault detection method and device, fault detection system |
| CN109342797A (en) * | 2018-08-24 | 2019-02-15 | 维沃移动通信有限公司 | A kind of backlight power sense circuit, terminal and backlight source detection method |
-
2015
- 2015-05-13 CN CN201520307399.8U patent/CN204613377U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168656A (en) * | 2016-08-24 | 2016-11-30 | 山东蓝色电子科技有限公司 | A kind of LED lamp bar universal burn-in experiment instrument |
| CN106168656B (en) * | 2016-08-24 | 2019-03-22 | 山东蓝色电子科技有限公司 | A kind of LED light bar universal burn-in experiment instrument |
| CN108802632A (en) * | 2018-05-24 | 2018-11-13 | 中车青岛四方机车车辆股份有限公司 | Fault detection method and device, fault detection system |
| CN109342797A (en) * | 2018-08-24 | 2019-02-15 | 维沃移动通信有限公司 | A kind of backlight power sense circuit, terminal and backlight source detection method |
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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: 20150902 |