WO2020087863A1 - 一种用于led驱动电源调光性能测试的电阻调光器 - Google Patents

一种用于led驱动电源调光性能测试的电阻调光器 Download PDF

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Publication number
WO2020087863A1
WO2020087863A1 PCT/CN2019/080861 CN2019080861W WO2020087863A1 WO 2020087863 A1 WO2020087863 A1 WO 2020087863A1 CN 2019080861 W CN2019080861 W CN 2019080861W WO 2020087863 A1 WO2020087863 A1 WO 2020087863A1
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Prior art keywords
switch
resistance
driving power
led driving
power supply
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PCT/CN2019/080861
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English (en)
French (fr)
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马金生
邹超洋
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深圳市崧盛电子股份有限公司
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Publication of WO2020087863A1 publication Critical patent/WO2020087863A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • 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
    • G01R31/40—Testing power supplies

Definitions

  • the utility model relates to the field of LED drive power testing, and more specifically, to a resistance dimmer used for dimming performance test of LED drive power.
  • the dimming of the LED power supply (the dimming light will have a DC voltage) needs to be connected to an adjustable resistor.
  • an adjustable resistor By adjusting the resistance of the adjustable resistor, different resistance values are driven by the LED
  • the dimming module of the power supply changes the output current of the LED power supply, thereby adjusting the brightness of the LED light.
  • the output current of the LED drive power supply corresponding to different resistance values is different.
  • the LED drive power supply The specification defines the correspondence between the dimming resistance and the output current, so when testing whether the correspondence between the resistance and the output current meets the specifications, it is necessary to monitor the resistance and the output current while dimming.
  • the resistance value of the multimeter test is incorrect. Because the output of the dimming light itself has a voltage, the dimming light has an equivalent internal resistance, so the multimeter When measuring the resistance of a voltage that has been carried (the voltage above the dimming light), the multimeter cannot calculate it internally (calculated by Ohm's law), and correctly read the resistance value on the resistance dimmer.
  • the general resistance dimmer does not have a changeover switch, it is an adjustable resistor.
  • the resistor outputs two lines. First, the resistance dimmer is connected to the multimeter, the resistance value is tested, then the connection with the multimeter is released, and then the light is adjusted with the LED. Connect and perform dimming current test; if an LED drive power needs to test the corresponding output current of dimming light at 100K ⁇ , 90K ⁇ , 80K ⁇ ... 10K ⁇ , 0 ⁇ (11 resistance points), then the dimmer needs to be repeatedly used It is very inconvenient to load and unload 22 times with dimming.
  • the technical problem to be solved by the present invention is to provide a resistance dimmer for dimming performance test of the LED driving power supply in response to the defects of the prior art that the LED driving power supply dimming performance test process requires repeated loading and unloading of the device.
  • the technical solution adopted by the utility model to solve its technical problems is to construct a resistance dimmer for dimming performance test of LED drive power, including an adjustable resistor RP, a selection switch group, and a resistance measuring instrument.
  • the switch group includes: a first input terminal, a second input terminal, a first output terminal, and a second output terminal;
  • Both ends of the adjustable resistor RP are respectively connected to the first input end and the second input end of the selection switch group, the first output end of the selection switch group is connected to the resistance measuring instrument, and the selection switch group The second output terminal is connected to the LED drive power;
  • the first output terminal and the second output terminal of the selection switch group are selectively turned on.
  • the selection switch group is a two-position two-position fluctuation switch SW1, and the first input of the two-position two-position fluctuation switch SW1
  • the terminal and the second input terminal are correspondingly connected to both ends of the adjustable resistor RP;
  • the first output terminal of the two-position two-position fluctuation switch SW1 is connected to the resistance measuring instrument, and the second output terminal of the two-position two-position fluctuation switch SW1 is connected to the LED driving power supply.
  • the first output end of the two-position two-position wave switch SW1 includes a contact A + and a contact A-, the contact Point A + and contact A- are connected to the resistance measuring instrument respectively;
  • the second output terminal of the two-position two-position wave switch SW1 includes a contact B + and a contact B-, and the contact B + and the contact B- are respectively connected to the LED driving power supply.
  • the selection switch group includes a first switch K1, a second switch K2, a third switch K3, and a fourth switch K4;
  • Both ends of the adjustable resistor RP are connected to the resistance measuring instrument through the first switch K1 and the second switch K2, respectively;
  • Both ends of the adjustable resistor RP are connected to the LED driving power through the third switch K3 and the fourth switch K4, respectively.
  • the selection switch group includes a fifth switch K5 and a sixth switch K6;
  • One end of the adjustable resistor RP is respectively connected to one end of the resistance measuring instrument and one end of the LED driving power supply, and the other end of the adjustable resistor RP is connected to the resistance measuring instrument through the fifth switch K5 The other end of the adjustable resistor RP is connected to the other end of the LED driving power through the sixth switch K6.
  • the second output end of the selection switch group is connected to the LED driving power supply through dimming light.
  • the second output end of the selection switch group is detachably connected to the dimming light through a wire.
  • the input end of the LED driving power supply is connected to an AC power supply, and the output end of the LED driving power supply is connected to an LED load.
  • the resistance dimmer used in the dimming performance test of the LED driving power supply further includes a housing, and the adjustable resistor RP and the selection switch group are provided in the housing;
  • the adjustable resistor RP is a continuous resistance resistor, and the adjustment knob of the continuous resistance resistor is set on the housing;
  • the switch button of the selection switch group is provided on the housing.
  • the resistance measuring instrument is a multimeter.
  • the resistance dimmer includes an adjustable resistor RP, a selection switch group, a resistance measuring instrument, and a selection switch group Including: the first input terminal, the second input terminal, the first output terminal, the second output terminal; the two ends of the adjustable resistor RP are connected to the first input terminal and the second input terminal of the selection switch group respectively
  • the first output terminal is connected to the resistance measuring instrument, and the second output terminal of the selection switch group is connected to the LED driving power supply; the first output terminal and the second output terminal of the selection switch group are selectively turned on.
  • the utility model realizes the dimmer to switch between the resistance measuring instrument and the dimming light by selecting the switch group, that is, the resistance value can be measured while dimming, without repeatedly connecting and removing the dimmer and the multimeter and the dimming light connection, Reduce test disassembly steps, shorten test time, and improve test efficiency.
  • FIG. 1 is a schematic structural diagram of a first embodiment of a resistance dimmer of the present invention
  • FIG. 2 is a schematic structural view of a second embodiment of the resistance dimmer of the present invention.
  • FIG. 3 is a schematic structural view of a third embodiment of the resistance dimmer of the present invention.
  • FIG. 4 is a schematic structural view of a fourth embodiment of the resistance dimmer of the present invention.
  • the resistance dimmer used in the dimming performance test of the LED driving power supply in this embodiment includes an adjustable resistor RP, a selection switch group, and a resistance measuring instrument.
  • the selection switch group includes: a first input terminal, a second Input terminal, first output terminal, and second output terminal. Both ends of the adjustable resistor RP are respectively connected to the first input end and the second input end of the selection switch group, the first output end of the selection switch group is connected to the resistance measuring instrument, and the second output end of the selection switch group is connected to the LED driving power supply. Select one of the first output and the second output of the switch group to be turned on.
  • the adjustable resistor RP When the first output of the selected switch group is turned on, the adjustable resistor RP is connected to the resistance measuring instrument to measure the resistance value; when selected When the second output terminal of the switch group is turned on, the adjustable resistor RP is connected to the LED driving power supply to perform the dimming performance test of the LED driving power supply.
  • the resistance measuring instrument is a multimeter, the connection and measurement method of the multimeter can refer to the prior art, and will not be repeated here.
  • the second output end of the selection switch group is connected to the LED driving power supply through dimming light.
  • the second output terminal of the selection switch group is detachably connected with a wire to adjust the light.
  • the input end of the LED driving power supply is connected to an AC power supply, and the output end of the LED driving power supply is connected to an LED load.
  • the resistance dimmer used in the dimming performance test of the LED driving power supply of this embodiment further includes a housing, and the adjustable resistor RP and the selection switch group are arranged in the housing; the adjustable resistor RP is a continuous resistance resistor, which is continuous The adjusting knob of the resistance resistor is set on the shell; the switch button of the selection switch group is set on the shell. Alternatively, the resistance measuring instrument is provided on the housing.
  • the first output terminal and the second output terminal of the switch group are selectively turned on to realize the test of resistance value measurement and dimming performance test of the LED driving power supply, without repeated loading and unloading of the dimmer and multimeter and dimming.
  • the connection between them reduces the disassembly steps of the test, shortens the test time, and improves the test efficiency.
  • the difference between this embodiment and the first embodiment is that the selection switch group in this embodiment is a two-position two-position fluctuation switch SW1, and the first input end and the second input end of the two-position two-position fluctuation switch SW1 correspond Connect both ends of the adjustable resistor RP.
  • the first output end of the two-position two-position fluctuation switch SW1 is connected to the resistance measuring instrument, and the second output end of the two-position two-position fluctuation switch SW1 is connected to the LED driving power supply.
  • the first output terminal of the two-position two-position wave switch SW1 includes a contact A + and a contact A-, and the contact A + and the contact A- are respectively connected to a resistance measuring instrument; the second output end of the two-position two-position wave switch SW1 Including contact B + and contact B-, contact B + and contact B- are respectively connected to the LED drive power.
  • the two-position two-position wave switch SW1 is a linkage switch, that is, when the two-position two-position wave switch SW1 is turned to the contact A +, it will be turned to the contact A- at the same time, and at the same time, the contact B + and the contact B- are disconnected. connection.
  • the two-position two-position wave switch SW1 is a linkage switch, that is, the two-position two-position wave switch SW1 is dialed to the contact B +, and at the same time, it will be dialed to the contact B-, and the contact A + and the contact A- are disconnected at the same time. connection.
  • the adjustable resistor RP turns on the resistance measuring instrument to measure the resistance value.
  • the resistor RP turns on the LED drive power and performs the LED drive power dimming performance test.
  • the resistance value measurement and the dimming performance test of the LED drive power are realized through the two-position two-position wave switch SW1, and the connection between the dimmer and the multimeter and the dimming light is not repeated, reducing the test disassembly steps and shortening Test time and improve test efficiency.
  • the selection switch group of this embodiment includes a first switch K1, a second switch K2, a third switch K3, and a fourth switch K4, wherein the adjustable resistor The two ends of the RP are respectively connected to the resistance measuring instrument through the first switch K1 and the second switch K2; the two ends of the adjustable resistor RP are respectively connected to the LED driving power through the third switch K3 and the fourth switch K4.
  • the adjustable resistor RP turns on the resistance measuring instrument to measure the resistance value.
  • the dimming resistor RP turns on the LED driving power and performs the LED driving power dimming performance test.
  • the first switch K1, the second switch K2, the third switch K3, and the fourth switch K4 are used to realize the resistance measurement and the LED drive power dimming performance test without repeated loading and unloading of the dimmer and the multimeter and the adjustment.
  • the connection between the light rays reduces the test disassembly steps, shortens the test time, and improves the test efficiency.
  • the selection switch group of this embodiment includes a fifth switch K5 and a sixth switch K6.
  • One end of the adjustable resistor RP is respectively connected to one end of the resistance measuring instrument and one end of the LED driving power supply, the other end of the adjustable resistor RP is connected to the other end of the resistance measuring instrument through the fifth switch K5, and the other end of the adjustable resistor RP Connect the other end of the LED drive power through the sixth switch K6.
  • the resistor RP turns on the resistance measuring instrument to measure the resistance value.
  • the dimming resistor RP is connected to the LED driving power to perform the LED driving power dimming performance test.
  • the fifth switch K5 and the sixth switch K6 are used to realize the resistance measurement and the LED drive power dimming performance test.
  • the connection between the dimmer and the multimeter and the dimming light is not repeated, reducing the test disassembly steps , Shorten test time and improve test efficiency.
  • the utility model realizes the dimmer to switch between the resistance measuring instrument and the dimming light by selecting the switch group, that is, the resistance value can be measured while dimming, without repeatedly connecting and removing the dimmer and the multimeter and the dimming light connection, Reduce test disassembly steps, shorten test time, and improve test efficiency.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

一种用于LED驱动电源调光性能测试的电阻调光器，该电阻调光器包括可调电阻器RP、选择开关组、电阻测量仪，选择开关组包括：第一输入端、第二输入端、第一输出端、第二输出端；可调电阻器RP的两端分别连接选择开关组的第一输入端和第二输入端，选择开关组的第一输出端连接电阻测量仪，选择开关组的第二输出端连接LED驱动电源；选择开关组的第一输出端和第二输出端择一导通。

Description

一种用于LED驱动电源调光性能测试的电阻调光器 技术领域
本实用新型涉及LED驱动电源测试领域，更具体地说，涉及一种用于LED驱动电源调光性能测试的电阻调光器。
 背景技术
在LED电源的调光性能测试中，LED电源的调光线（调光线会有一个DC电压）上面需要接一个可调电阻器，通过调整可调电阻器的阻值，不同的阻值通过LED驱动电源的调光模块，来改变LED电源的输出电流，从而实现对LED灯点亮度的调节，在整个电阻调光过程中，因不同阻值对应的LED驱动电源输出电流是不同的，LED驱动电源规格会定义调光阻值与输出电流的对应关系，故在测试阻值与输出电流的对应关系是否符合规格时，需要边调光边监测阻值与输出电流。但实际测试中，如果LED电源调光线直接与电阻调光器及万用表连接，万用表测试的阻值是不正确的，因调光线本身输出有一个电压，调光线有等效的内阻，故万用表在测量已经携带电压（调光线上面的电压）的电阻，万用表是无法通过内部计算（欧姆定律计算），正确的读取电阻调光器上面的阻值。
一般的电阻调光器没有转换开关，就是一个可调电阻器，电阻器输出两条线，首先电阻调光器与万用表连接，测试电阻阻值，然后解除与万用表的连接，再与LED调光线连接，进行调光电流测试； 如果一个LED驱动电源需要测试调光线在100KΩ、90KΩ 、80KΩ…10KΩ、0Ω（11个阻值点）阻值下对应的输出电流，那么调光器需要反复在万用表与调光线之间装卸22次，非常的不方便。
 技术问题
本实用新型要解决的技术问题在于，针对现有技术的上述LED驱动电源调光性能测试过程中需要反复装卸器件的缺陷，提供一种用于LED驱动电源调光性能测试的电阻调光器。
 技术解决方案
本实用新型解决其技术问题所采用的技术方案是：构造一种用于LED驱动电源调光性能测试的电阻调光器，包括可调电阻器RP、选择开关组、电阻测量仪，所述选择开关组包括：第一输入端、第二输入端、第一输出端、第二输出端；
所述可调电阻器RP的两端分别连接所述选择开关组的第一输入端和第二输入端，所述选择开关组的第一输出端连接所述电阻测量仪，所述选择开关组的第二输出端连接LED驱动电源；
所述选择开关组的第一输出端和第二输出端择一导通。
进一步，本实用新型所述的用于LED驱动电源调光性能测试的电阻调光器，所述选择开关组为两档两位波动开关SW1，所述两档两位波动开关SW1的第一输入端和第二输入端对应连接所述可调电阻器RP的两端；
所述两档两位波动开关SW1的第一输出端连接所述电阻测量仪，所述两档两位波动开关SW1的第二输出端连接所述LED驱动电源。
进一步，本实用新型所述的用于LED驱动电源调光性能测试的电阻调光器，所述两档两位波动开关SW1的第一输出端包括触点A+和触点A-，所述触点A+和触点A-分别连接所述电阻测量仪；
所述两档两位波动开关SW1的第二输出端包括触点B+和触点B-，所述触点B+和触点B-分别连接所述LED驱动电源。
进一步，本实用新型所述的用于LED驱动电源调光性能测试的电阻调光器，所述选择开关组包括第一开关K1、第二开关K2、第三开关K3、第四开关K4；
所述可调电阻器RP的两端分别通过所述第一开关K1和第二开关K2连接所述电阻测量仪；
所述可调电阻器RP的两端分别通过所述第三开关K3和第四开关K4连接所述LED驱动电源。
进一步，本实用新型所述的用于LED驱动电源调光性能测试的电阻调光器，所述选择开关组包括第五开关K5和第六开关K6；
所述可调电阻器RP的一端分别连接所述电阻测量仪的一端和所述LED驱动电源的一端，所述可调电阻器RP的另一端通过所述第五开关K5连接所述电阻测量仪的另一端，所述可调电阻器RP的另一端通过所述第六开关K6连接所述LED驱动电源的另一端。
进一步，本实用新型所述的用于LED驱动电源调光性能测试的电阻调光器，所述选择开关组的第二输出端通过调光线连接所述LED驱动电源。
进一步，本实用新型所述的用于LED驱动电源调光性能测试的电阻调光器，所述选择开关组的第二输出端通过导线可拆卸的连接所述调光线。
进一步，本实用新型所述的用于LED驱动电源调光性能测试的电阻调光器，所述LED驱动电源的输入端连接交流供电电源，所述LED驱动电源的输出端连接LED负载。
进一步，本实用新型所述的用于LED驱动电源调光性能测试的电阻调光器，还包括壳体，所述可调电阻器RP和选择开关组设置在所述壳体内；
所述可调电阻器RP为连续阻值电阻器，所述连续阻值电阻器的调节旋钮设置在所述壳体上；
所述选择开关组的开关按钮设置在所述壳体上。
进一步，本实用新型所述的用于LED驱动电源调光性能测试的电阻调光器，所述电阻测量仪为万用表。
 有益效果
实施本实用新型的一种用于LED驱动电源调光性能测试的电阻调光器，具有以下有益效果：该电阻调光器包括可调电阻器RP、选择开关组、电阻测量仪，选择开关组包括：第一输入端、第二输入端、第一输出端、第二输出端；可调电阻器RP的两端分别连接选择开关组的第一输入端和第二输入端，选择开关组的第一输出端连接电阻测量仪，选择开关组的第二输出端连接LED驱动电源；选择开关组的第一输出端和第二输出端择一导通。本实用新型通过选择开关组实现调光器在电阻测量仪与调光线之间切换，即可以实现边调光边测量阻值，不用反复的装卸调光器与万用表以及调光线之间的连接，减少测试拆卸步骤，缩短测试时间，提高测试效率。
 附图说明
下面将结合附图及实施例对本实用新型作进一步说明，附图中：
图1是本实用新型电阻调光器第一实施例的结构示意图；
图2是本实用新型电阻调光器第二实施例的结构示意图；
图3是本实用新型电阻调光器第三实施例的结构示意图；
图4是本实用新型电阻调光器第四实施例的结构示意图。
 本发明的最佳实施方式
为了对本实用新型的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本实用新型的具体实施方式。
实施例1
参考图1，本实施例的用于LED驱动电源调光性能测试的电阻调光器，包括可调电阻器RP、选择开关组、电阻测量仪，选择开关组包括：第一输入端、第二输入端、第一输出端、第二输出端。可调电阻器RP的两端分别连接选择开关组的第一输入端和第二输入端，选择开关组的第一输出端连接电阻测量仪，选择开关组的第二输出端连接LED驱动电源。选择开关组的第一输出端和第二输出端择一导通，当选择开关组的第一输出端导通，则可调电阻器RP接通电阻测量仪，进行电阻阻值测量；当选择开关组的第二输出端导通，则可调电阻器RP接通LED驱动电源，进行LED驱动电源调光性能测试。优选地，电阻测量仪为万用表，万用表的连接和测量方法可参考现有技术，在此不再赘述。
本实施例的用于LED驱动电源调光性能测试的电阻调光器，选择开关组的第二输出端通过调光线连接LED驱动电源。优选地，选择开关组的第二输出端通过导线可拆卸的连接调光线。
本实施例的用于LED驱动电源调光性能测试的电阻调光器，LED驱动电源的输入端连接交流供电电源，LED驱动电源的输出端连接LED负载。
本实施例的用于LED驱动电源调光性能测试的电阻调光器还包括壳体，可调电阻器RP和选择开关组设置在壳体内；可调电阻器RP为连续阻值电阻器，连续阻值电阻器的调节旋钮设置在壳体上；选择开关组的开关按钮设置在壳体上。作为选择，电阻测量仪设置在壳体上。
本实施例通过选择开关组的第一输出端和第二输出端择一导通，实现电阻阻值测量和LED驱动电源调光性能测试的测试，不用反复的装卸调光器与万用表以及调光线之间的连接，减少测试拆卸步骤，缩短测试时间，提高测试效率。
实施例2
参考图2，本实施例与第一实施例的区别在于，本实施例的选择开关组为两档两位波动开关SW1，两档两位波动开关SW1的第一输入端和第二输入端对应连接可调电阻器RP的两端。两档两位波动开关SW1的第一输出端连接电阻测量仪，两档两位波动开关SW1的第二输出端连接LED驱动电源。
进一步，两档两位波动开关SW1的第一输出端包括触点A+和触点A-，触点A+和触点A-分别连接电阻测量仪；两档两位波动开关SW1的第二输出端包括触点B+和触点B-，触点B+和触点B-分别连接LED驱动电源。可以理解，两档两位波动开关SW1为联动开关，即在两档两位波动开关SW1拨向触点A+，同时会拨向触点A-，且同时触点B+和触点B-断开连接。同理，两档两位波动开关SW1为联动开关，即在两档两位波动开关SW1拨向触点B+，同时会拨向触点B-，且同时触点A+和触点A-断开连接。
当两档两位波动开关SW1接通触点A+和触点A-，则可调电阻器RP接通电阻测量仪，进行电阻阻值测量。
当两档两位波动开关SW1接通触点B+和触点B-，则调电阻器RP接通LED驱动电源，进行LED驱动电源调光性能测试。
本实施例通过两档两位波动开关SW1实现电阻阻值测量和LED驱动电源调光性能测试的测试，不用反复的装卸调光器与万用表以及调光线之间的连接，减少测试拆卸步骤，缩短测试时间，提高测试效率。
实施例3
参考图3，本实施例与第一实施例的区别在于，本实施例的选择开关组包括第一开关K1、第二开关K2、第三开关K3、第四开关K4，其中，可调电阻器RP的两端分别通过第一开关K1和第二开关K2连接电阻测量仪；可调电阻器RP的两端分别通过第三开关K3和第四开关K4连接LED驱动电源。
当第一开关K1和第二开关K2接通，同时第三开关K3和第四开关K4断开时，则可调电阻器RP接通电阻测量仪，进行电阻阻值测量。
当第三开关K3和第四开关K4接通，同时第一开关K1和第二开关K2断开时，则调电阻器RP接通LED驱动电源，进行LED驱动电源调光性能测试。
本实施例通过第一开关K1、第二开关K2、第三开关K3、第四开关K4实现电阻阻值测量和LED驱动电源调光性能测试的测试，不用反复的装卸调光器与万用表以及调光线之间的连接，减少测试拆卸步骤，缩短测试时间，提高测试效率。
实施例4
参考图4，本实施例与第一实施例的区别在于，本实施例的选择开关组包括第五开关K5和第六开关K6。可调电阻器RP的一端分别连接电阻测量仪的一端和LED驱动电源的一端，可调电阻器RP的另一端通过第五开关K5连接电阻测量仪的另一端，可调电阻器RP的另一端通过第六开关K6连接LED驱动电源的另一端。
当第五开关K5导通，同时第六开关K6断开时，则调电阻器RP接通电阻测量仪，进行电阻值测量。
当第六开关K6导通，同时第五开关K5断开时，则调电阻器RP接通LED驱动电源，进行LED驱动电源调光性能测试。
本实施例通过第五开关K5和第六开关K6实现电阻阻值测量和LED驱动电源调光性能测试的测试，不用反复的装卸调光器与万用表以及调光线之间的连接，减少测试拆卸步骤，缩短测试时间，提高测试效率。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
本实用新型通过选择开关组实现调光器在电阻测量仪与调光线之间切换，即可以实现边调光边测量阻值，不用反复的装卸调光器与万用表以及调光线之间的连接，减少测试拆卸步骤，缩短测试时间，提高测试效率。
以上实施例只为说明本实用新型的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本实用新型的内容并据此实施，并不能限制本实用新型的保护范围。凡跟本实用新型权利要求范围所做的均等变化与修饰，均应属于本实用新型权利要求的涵盖范围。

Claims (10)

  1. 一种用于LED驱动电源调光性能测试的电阻调光器，其特征在于，包括可调电阻器RP、选择开关组、电阻测量仪，所述选择开关组包括：第一输入端、第二输入端、第一输出端、第二输出端；
    所述可调电阻器RP的两端分别连接所述选择开关组的第一输入端和第二输入端，所述选择开关组的第一输出端连接所述电阻测量仪，所述选择开关组的第二输出端连接LED驱动电源；
    所述选择开关组的第一输出端和第二输出端择一导通。
  2. 根据权利要求1所述的用于LED驱动电源调光性能测试的电阻调光器，其特征在于，所述选择开关组为两档两位波动开关SW1，所述两档两位波动开关SW1的第一输入端和第二输入端对应连接所述可调电阻器RP的两端；
    所述两档两位波动开关SW1的第一输出端连接所述电阻测量仪，所述两档两位波动开关SW1的第二输出端连接所述LED驱动电源。
  3. 根据权利要求2所述的用于LED驱动电源调光性能测试的电阻调光器，其特征在于，所述两档两位波动开关SW1的第一输出端包括触点A+和触点A-，所述触点A+和触点A-分别连接所述电阻测量仪；
    所述两档两位波动开关SW1的第二输出端包括触点B+和触点B-，所述触点B+和触点B-分别连接所述LED驱动电源。
  4. 根据权利要求1所述的用于LED驱动电源调光性能测试的电阻调光器，其特征在于，所述选择开关组包括第一开关K1、第二开关K2、第三开关K3、第四开关K4；
    所述可调电阻器RP的两端分别通过所述第一开关K1和第二开关K2连接所述电阻测量仪；
    所述可调电阻器RP的两端分别通过所述第三开关K3和第四开关K4连接所述LED驱动电源。
  5. 根据权利要求1所述的用于LED驱动电源调光性能测试的电阻调光器，其特征在于，所述选择开关组包括第五开关K5和第六开关K6；
    所述可调电阻器RP的一端分别连接所述电阻测量仪的一端和所述LED驱动电源的一端，所述可调电阻器RP的另一端通过所述第五开关K5连接所述电阻测量仪的另一端，所述可调电阻器RP的另一端通过所述第六开关K6连接所述LED驱动电源的另一端。
  6. 根据权利要求1所述的用于LED驱动电源调光性能测试的电阻调光器，其特征在于，所述选择开关组的第二输出端通过调光线连接所述LED驱动电源。
  7. 根据权利要求6所述的用于LED驱动电源调光性能测试的电阻调光器，其特征在于，所述选择开关组的第二输出端通过导线可拆卸的连接所述调光线。
  8. 根据权利要求1所述的用于LED驱动电源调光性能测试的电阻调光器，其特征在于，所述LED驱动电源的输入端连接交流供电电源，所述LED驱动电源的输出端连接LED负载。
  9. 根据权利要求1所述的用于LED驱动电源调光性能测试的电阻调光器，其特征在于，还包括壳体，所述可调电阻器RP和选择开关组设置在所述壳体内；
    所述可调电阻器RP为连续阻值电阻器，所述连续阻值电阻器的调节旋钮设置在所述壳体上；
    所述选择开关组的开关按钮设置在所述壳体上。
  10. 根据权利要求1所述的用于LED驱动电源调光性能测试的电阻调光器，其特征在于，所述电阻测量仪为万用表。
PCT/CN2019/080861 2018-11-01 2019-04-01 一种用于led驱动电源调光性能测试的电阻调光器 WO2020087863A1 (zh)

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