CN203191534U - Test box for LED (light-emitting diode) power panel - Google Patents
Test box for LED (light-emitting diode) power panel Download PDFInfo
- Publication number
- CN203191534U CN203191534U CN 201320178644 CN201320178644U CN203191534U CN 203191534 U CN203191534 U CN 203191534U CN 201320178644 CN201320178644 CN 201320178644 CN 201320178644 U CN201320178644 U CN 201320178644U CN 203191534 U CN203191534 U CN 203191534U
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- led
- load circuit
- power panel
- test box
- emitting diode
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Abstract
The utility model discloses a test box for an LED (light-emitting diode) power panel. The test box for the LED power panel is provided with a power supply interface; a load circuit formed by connecting a plurality of light-emitting diodes in series and parallel is arranged in the test box; the load circuit is connected between the positive terminal and the negative terminal of the power supply interface; the quantity of the light-emitting diodes connected to the load circuit is adjustable, the resistance of the load circuit is adjustable, the load circuit can be adjusted to a proper resistance according to different LED television operation standards so as to inspect the quality of the LED power panel, and the universality is good; additionally, because the test box for the LED power panel adopts the light-emitting diodes which are as the same as an LED television backlight source, the simulation effect is more real and closer to the working performance index parameters of the complete machine, thus contributing to improve the detection capacity for the LED power panel so as to ensure the good quality of products.
Description
Technical field
The utility model relates to a kind of LED power panel test box.
Background technology
Along with development of science and technology, the LED TV progressively obtains penetration and promotion and uses, the LED TV adopts light emitting diode as backlight, and the CCFL that compares the employing of traditional LC D TV is backlight, and the LED TV has more advantage in thickness, image quality, life-span, energy-conserving and environment-protective.The LED power panel has strict verification test standard in process of production as the power supply part of LED TV.At present, mainly relying on the cement test resistance for the verification test of LED power panel realizes, simulate the load of true LED TV by the cement test resistance, reach whether standard compliant purpose of check LED power panel, yet the resistance of cement test resistance is fixed, for different LED power panel tests, need to select corresponding cement test resistance to do fictitious load, test all-purpose is poor, and error range is bigger than normal, can not cause the LED power panel to detect the reduction of ability near complete machine serviceability index parameter.
The utility model content
The purpose of this utility model is to propose a kind of LED power panel test box, by utilizing light emitting diode as test component, the resistance adjustable size of test box internal load circuit can the load of real simulation LED TV, is beneficial to raising to the ability that detects of LED power panel.
The utility model adopts following technical scheme to achieve these goals:
LED power panel test box, be provided with power supply interface, described test box inside is provided with a load circuit that is connected to form in the series and parallel mode by some light emitting diodes, this load circuit is connected between the positive and negative electrode terminal of power supply interface, and described light emitting diode inserts the adjustable number of load circuit.
In the above-mentioned LED power panel test box, on every parallel branch of described load circuit, be respectively arranged with a plurality of access switches that insert quantity for series connection light emitting diode on this parallel branch of control.
In the above-mentioned LED power panel test box, described light emitting diode is arranged with the form of LED lamp bar.
The utility model has the advantages that:
The LED power panel test box that the utility model is addressed, adopt light emitting diode to form the load circuit of resistance adjustable size as test component, can be according to different LED TV operation or work standard regulating load circuit to suitable resistance to the test of testing of corresponding LED power panel, highly versatile, in addition, because what LED power panel test box adopted is the light emitting diode identical with the LED TV backlight, simulate effect is truer, more close to complete machine serviceability index parameter, be beneficial to the ability that detects that improves the LED power panel, to guarantee the good quality of product.
Description of drawings
Fig. 1 is the electrical block diagram of LED power panel test box among the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
LED power panel test box, the test box casing is provided with power supply interface, be used to the load circuit power supply of box house, load circuit is connected between the positive and negative electrode terminal of power supply interface, this load circuit is connected to form in the series and parallel mode by some light emitting diodes, and light emitting diode inserts the quantity of this load circuit and can regulate, the resistance adjustable size of load circuit.Can be according to different LED TV operation or work standard regulating load circuit to suitable resistance, reach the effect that multiple different LED TV is simulated, and then detect corresponding LED power panel easily, highly versatile, in addition, because the employing of LED power panel test box is the light emitting diode identical with the LED TV backlight, simulate effect is truer, close to complete machine serviceability index parameter, be beneficial to the ability that detects that improves the LED power panel more, to guarantee the good quality of product.Light emitting diode in the utility model also can be replaced by electronic devices and components that other are expected easily and that have the similar resistance size.
On every parallel branch of load circuit, be respectively arranged with a plurality of access switches, be used for inserting on this parallel branch of control the quantity of the series connection light emitting diode of load circuit, the quantity that inserts switch on every parallel branch can be identical, also can be different.Need to prove that the light emitting diode that the utility model is addressed is all arranged with the form of LED lamp bar, makes that load circuit is simple in structure, reliability is high.
Be further elaborated below in conjunction with the utility model of Fig. 1:
Choose 12 groups of LED lamp bars, in 6 groups of lamp bars wherein, every group of lamp bar is provided with 40 series connection light emitting diodes, in 6 groups of remaining lamp bars, every group of lamp bar is provided with 10 series connection light emitting diodes, the mode of above-mentioned 12 groups of LED lamp strip adoptions parallel connection inserts load circuit, wherein, inserts the quantity of series connection light emitting diode on every parallel branch and regulates by the access switch that is arranged on this parallel branch.
Wherein LED lamp bar with 6 groups 40 series connection light emitting diodes is the example explanation: per 10 adjacent series connection light emitting diodes are one group, and control by an access switch, be provided with four access switches altogether, controlling the quantity that inserts the series connection light emitting diode on the load circuit on this parallel branch can be 10 or 20 or 30 or 40.
Wherein LED lamp bar with 6 groups 10 series connection light emitting diodes is the example explanation: per 1 light emitting diode is as one group, and control by an access switch, be provided with ten access switches altogether, controlling the quantity that inserts the series connection light emitting diode on the load circuit on this branch road can be 1,2,3,4,5,6,7,8,9 or 10.
Four or ten access switches arranging every parallel branch, can realize by the form of adjusting knob, on 6 groups of adjusting knob ka, kb wherein, kc, kd, ke, the kf 4 gears are set respectively, for the light emitting diode quantity that inserts load circuit on the LED lamp bar of selecting 40 series connection light emitting diodes, on 6 groups of adjusting knob kg, kh in addition, ki, kj, kk, the kl 10 gears are set respectively, for the quantity that inserts the light emitting diode of load circuit on the LED lamp bar of selecting 10 series connection light emitting diodes.In actual production, by above-mentioned 12 groups of adjusting knobs, choose reasonable inserts the quantity of the light emitting diode of load circuit, reaches the purpose of simulation different LED TV load, and then realizes the versatility to different LED TV power supply board test.
Certainly; more than explanation only is preferred embodiment of the present utility model; the utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this instructions; alternative, obvious form of distortion that all that make are equal to all drops within the essential scope of this instructions, ought to be subjected to protection of the present utility model.
Claims (3)
1.LED power panel test box, be provided with power supply interface, it is characterized in that, described test box inside is provided with a load circuit that is connected to form in the series and parallel mode by some light emitting diodes, this load circuit is connected between the positive and negative electrode terminal of power supply interface, and described light emitting diode inserts the adjustable number of load circuit.
2. LED power panel test box according to claim 1 is characterized in that, on every parallel branch of described load circuit, is respectively arranged with a plurality of access switches that insert quantity for series connection light emitting diode on this parallel branch of control.
3. LED power panel test box according to claim 1 and 2 is characterized in that described light emitting diode is arranged with the form of LED lamp bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178644 CN203191534U (en) | 2013-04-11 | 2013-04-11 | Test box for LED (light-emitting diode) power panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178644 CN203191534U (en) | 2013-04-11 | 2013-04-11 | Test box for LED (light-emitting diode) power panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191534U true CN203191534U (en) | 2013-09-11 |
Family
ID=49108385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320178644 Expired - Fee Related CN203191534U (en) | 2013-04-11 | 2013-04-11 | Test box for LED (light-emitting diode) power panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191534U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467232A (en) * | 2014-09-10 | 2016-04-06 | 神讯电脑(昆山)有限公司 | Test circuit for converter |
| CN105467330A (en) * | 2014-09-10 | 2016-04-06 | 神讯电脑(昆山)有限公司 | LED power supply aging test tool |
| CN105548914A (en) * | 2015-12-15 | 2016-05-04 | 深圳创维数字技术有限公司 | Test tool for power adapter |
| CN107631193A (en) * | 2017-08-28 | 2018-01-26 | 广东明丰电源电器实业有限公司 | General-purpose lamp plate and lamp plate string are used in a kind of LED drive power test |
-
2013
- 2013-04-11 CN CN 201320178644 patent/CN203191534U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467232A (en) * | 2014-09-10 | 2016-04-06 | 神讯电脑(昆山)有限公司 | Test circuit for converter |
| CN105467330A (en) * | 2014-09-10 | 2016-04-06 | 神讯电脑(昆山)有限公司 | LED power supply aging test tool |
| CN105467232B (en) * | 2014-09-10 | 2018-04-20 | 神讯电脑(昆山)有限公司 | The test circuit of converter |
| CN105467330B (en) * | 2014-09-10 | 2018-06-26 | 神讯电脑(昆山)有限公司 | LED power aging testing jig |
| CN105548914A (en) * | 2015-12-15 | 2016-05-04 | 深圳创维数字技术有限公司 | Test tool for power adapter |
| CN107631193A (en) * | 2017-08-28 | 2018-01-26 | 广东明丰电源电器实业有限公司 | General-purpose lamp plate and lamp plate string are used in a kind of LED drive power test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20140411 |