CN205103369U - COB -LED strikes aging testing device - Google Patents
COB -LED strikes aging testing device Download PDFInfo
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- CN205103369U CN205103369U CN201520748495.6U CN201520748495U CN205103369U CN 205103369 U CN205103369 U CN 205103369U CN 201520748495 U CN201520748495 U CN 201520748495U CN 205103369 U CN205103369 U CN 205103369U
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- cob
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- fixed head
- contactor
- heating radiator
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Abstract
The utility model provides a COB -LED strikes aging testing device, including control system and test fixture, control system includes relay, ac contactor, temperature detect switch, alternating current power supply and a plurality of constant current power supply, test fixture is including apron, a plurality of probe, fixed plate and radiator, the apron install in on the fixed plate, be equipped with the through -hole of the COB -LED installation that supplies to await measuring on the fixed plate, the probe passes the apron, and one end and constant current source electric connection, the other end can with the COB -LED electric connection that awaits measuring, at least, correspond 2 probes on the through -hole, the radiator is installed in the fixed plate below. This COB -LED strikes aging testing device is equipped with temperature detect switch and a plurality of constant current power supply, can effectively reduce the overheated harm that causes the device, and can strike aging testing at the electric current and the voltage parameter within range of broad, and convenient operation, the structure is retrencied, and the later maintenance upgrade cost is low.
Description
Technical field
The utility model relates to LED test technical field, is specifically related to a kind of COB-LED impact aging proving installation.
Background technology
Because the shape material of COB-LED is numerous, not yet form industry standard.This diversification situation causes traditional SMD-LED aging test bench to be competent at.Current impact aging test is not compulsory test project of dispatching from the factory, so the product that most of manufacturer dispatches from the factory does not have impact aging to test, there is the problems such as reliability and stability are low.Naked light source impinges aging equipment on market, major part only has SMT paster and straight cutting two kinds of LED ageing testers, and on COB-LED ageing tester market seldom, voltage and current parameter arranges few, and radiator power is little and test the problems such as quantity is few.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide one COB-LED impact aging proving installation safely and efficiently.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of COB-LED impact aging proving installation, comprises control system and test fixture;
Described control system, comprises relay, A.C. contactor, temperature detect switch (TDS), AC power and some constant-current supplies; Described A.C. contactor is for controlling the power supply of AC power to constant-current supply; Described relay comprises the time relay and time circulation relay, and the described time relay is for controlling the working time of A.C. contactor, and described time circulation relay is for controlling the work period of A.C. contactor; Described temperature detect switch (TDS) also controls the connecting and disconnecting of A.C. contactor for the temperature detecting test fixture according to the temperature signal detected;
Described test fixture comprises cover plate, some probes, fixed head and heating radiator; Described cover plate is installed on described fixed head; Described fixed head is provided with the through hole installed for COB-LED to be measured; Described probe is through cover plate, and one end and constant current source are electrically connected, and the other end can be electrically connected with COB-LED to be measured, at least corresponding 2 probes on described through hole; Described heating radiator is installed on below fixed head, and the through hole of described heating radiator and fixed head forms the cavity that holds COB-LED to be measured.
As preferably, one end and the fixed head of described cover plate are rotatably connected, and the other end is provided with the fastener be pressed on by cover plate on fixed head.
As preferably, described fastener is clinching.
As preferably, in described heating radiator, be provided with some heat dissipation channels.
As preferably, below described heating radiator, be provided with wind-cooling heat dissipating system or water-cooling heat radiating system.
As preferably, described heating radiator is aluminum or aluminum alloy.
As preferably, described through hole distributes with the array format of n × m, and n >=2, m >=2.
Compared to existing technology, the beneficial effects of the utility model are:
The COB-LED impact aging proving installation that the utility model provides, is equipped with multiple tradable constant-current supply, can carry out impact aging test in wider electric current and voltage parameter range to COB-LED; This device is equipped with temperature detect switch (TDS), effectively can reduce the overheated infringement caused device; This device is easy to operate, and structure is simplified relatively, and later maintenance upgrade cost is low.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the single through-hole structure schematic diagram of test fixture;
Fig. 3 is the assembling structure schematic diagram of cover plate and fixed head;
Fig. 4 is covering plate structure schematic diagram;
Fig. 5 is utility model works schematic diagram;
In accompanying drawing 1-5, each Reference numeral: 1, constant-current supply; 2, control desk; 3, relay; 4, temperature detect switch (TDS); 5, cover plate; 6, probe; 7, clinching; 8, through hole; 9, fixed head; 10, heating radiator; 11, heat dissipation channel.
Embodiment
The utility model provides a kind of COB-LED impact aging proving installation, as shown in Figure 1, comprises control system and test fixture;
Described control system comprises relay 3, A.C. contactor (not shown), temperature detect switch (TDS) 4, AC power and some constant-current supplies 1; Described A.C. contactor is for controlling the power supply of AC power to constant-current supply; Described relay comprises the time relay and time circulation relay, and the described time relay is for controlling the working time of A.C. contactor, and described time circulation relay is for controlling the work period of A.C. contactor; Described temperature detect switch (TDS) also controls the connecting and disconnecting of A.C. contactor for the temperature detecting test fixture according to the temperature signal detected;
The described time relay and time circulation relay are for controlling working time and the cycle of A.C. contactor; Described temperature detect switch (TDS) is for detecting the temperature of test fixture and controlling the connecting and disconnecting of A.C. contactor;
As shown in Figure 2 and Figure 4, described test fixture comprises cover plate 5, some probes 6, fixed head 9 and heating radiator 10; Described cover plate is installed on described fixed head; Described fixed head is provided with the through hole 8 installed for COB-LED to be measured; Described probe is through cover plate, and one end and constant current source are electrically connected, and the other end can be electrically connected with COB-LED to be measured, at least corresponding 2 probes on described through hole; Described heating radiator is installed on below fixed head, and the through hole of described heating radiator and fixed head forms the cavity that holds COB-LED to be measured.
As shown in Figure 5, this COB-LED impact aging proving installation operationally, constant-current supply is placed in control desk 2, constant-current supply is powered to test fixture, A.C. contactor controls the electrical connecting and disconnecting between AC power and constant-current supply, the working time of the time relay and time circulation relay control A.C. contactor and cycle, temperature detect switch (TDS) detects the temperature of test fixture and signal feedback is also transferred to A.C. contactor, to control the connecting and disconnecting of A.C. contactor further to relay.One end of probe and constant-current supply are electrically connected, and the other end and COB-LED to be measured are electrically connected, and to give COB-LED to be measured energising, carry out impact aging testing experiment to COB-LED.
The course of work of the COB-LED impact aging proving installation that the utility model provides comprises the following steps:
1) open testing cover plate, in test fixture fixed head through hole, COB-LED is installed, cover and securing cover plate;
2) select constant-current supply according to test request, be placed to control desk, its feeder ear is connected with A.C. contactor, and output terminal is connected with test fixture by wire;
3) time of regulating time relay and time circulation relay, working time of A.C. contactor and work period and number of times is controlled;
4) ceiling temperature of temperature detect switch (TDS) is regulated, when temperature reaches ceiling temperature, the relay power-off of temperature detect switch (TDS) control time;
5) light COB-LED and carry out impact aging.
6) COB-LED occurring defective products in impact aging process is selected.
Particularly, the mounting means of described cover plate on fixed head can be rotatably connected or be socketed or clamping.If one end of cover plate and fixed head are by being rotatably connected, the other end is provided with the fastener be pressed on by cover plate on fixed head.During test, this fastener is for clamping testing cover plate, ensures that probe contacts with tested COB light source is optimum; Will as shown in Figure 3, this fastener is clinching 7.
Further, for improving the radiating efficiency of heating radiator, be provided with some heat dissipation channels 11 in described heating radiator, this heat dissipation channel is conducive to dredging fast of heat, prevents heat accumulation in the center of heating radiator.
Further, the below of this heating radiator is provided with wind-cooling heat dissipating system or water-cooling heat radiating system, to improve the radiating efficiency of heating radiator further.Further, this wind-cooling heat dissipating system or water-cooling heat radiating system and temperature detect switch (TDS) are electrically connected, and when the temperature of heating radiator exceedes the ceiling temperature of temperature detect switch (TDS), start wind-cooling heat dissipating system or water-cooling heat radiating system, lower the temperature to make heating radiator.
Particularly, described heating radiator is aluminum or aluminum alloy, with the radiating efficiency of the heating radiator improved.
Particularly, described through hole distributes with the array format of n × m, and n >=2, m >=2, detect with the multi-load formula of carrying out multiple COB-LED to be measured simultaneously.
Above-mentioned embodiment is only preferred implementation of the present utility model; can not limit the scope of the utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to the utility model scope required for protection.
Claims (7)
1. a COB-LED impact aging proving installation, is characterized in that, comprises control system and test fixture;
Described control system comprises relay, A.C. contactor, temperature detect switch (TDS), AC power and some constant-current supplies; Described A.C. contactor is for controlling the power supply of AC power to constant-current supply; Described relay comprises the time relay and time circulation relay, and the described time relay is for controlling the working time of A.C. contactor, and described time circulation relay is for controlling the work period of A.C. contactor; Described temperature detect switch (TDS) also controls the connecting and disconnecting of A.C. contactor for the temperature detecting test fixture according to the temperature signal detected;
Described test fixture comprises cover plate, some probes, fixed head and heating radiator; Described cover plate is installed on described fixed head; Described fixed head is provided with the through hole installed for COB-LED to be measured; Described probe is through cover plate, and one end and constant current source are electrically connected, and the other end can be electrically connected with COB-LED to be measured, at least corresponding 2 probes on described through hole; Described heating radiator is installed on below fixed head, and the through hole of described heating radiator and fixed head forms the cavity that holds COB-LED to be measured.
2. COB-LED impact aging proving installation as claimed in claim 1, it is characterized in that, one end and the fixed head of described cover plate are rotatably connected, and the other end is provided with the fastener be pressed on by cover plate on fixed head.
3. COB-LED impact aging proving installation as claimed in claim 2, it is characterized in that, described fastener is clinching.
4. COB-LED impact aging proving installation as claimed in claim 1, is characterized in that, be provided with some heat dissipation channels in described heating radiator.
5. COB-LED impact aging proving installation as claimed in claim 1, is characterized in that, be provided with wind-cooling heat dissipating system or water-cooling heat radiating system below described heating radiator.
6. COB-LED impact aging proving installation as claimed in claim 1, it is characterized in that, described heating radiator is aluminum or aluminum alloy.
7. COB-LED impact aging proving installation as claimed in claim 1, it is characterized in that, described through hole distributes with the array format of n × m, and n >=2, m >=2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748495.6U CN205103369U (en) | 2015-09-23 | 2015-09-23 | COB -LED strikes aging testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748495.6U CN205103369U (en) | 2015-09-23 | 2015-09-23 | COB -LED strikes aging testing device |
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| Publication Number | Publication Date |
|---|---|
| CN205103369U true CN205103369U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520748495.6U Active CN205103369U (en) | 2015-09-23 | 2015-09-23 | COB -LED strikes aging testing device |
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| CN (1) | CN205103369U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443409A (en) * | 2016-08-31 | 2017-02-22 | 中山昂欣科技有限责任公司 | Ageing test method and device of alternating-current luminous chips |
| CN107425105A (en) * | 2017-08-17 | 2017-12-01 | 广东聚科照明股份有限公司 | A kind of COB clamp structures of LED sealed in units |
| CN110208671A (en) * | 2019-06-20 | 2019-09-06 | 西安卫光科技有限公司 | A kind of air-cooled screw bolt-type diodes age device |
| CN111014083A (en) * | 2019-11-19 | 2020-04-17 | 安徽全信精工装备有限公司 | Diode aging screening instrument |
-
2015
- 2015-09-23 CN CN201520748495.6U patent/CN205103369U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443409A (en) * | 2016-08-31 | 2017-02-22 | 中山昂欣科技有限责任公司 | Ageing test method and device of alternating-current luminous chips |
| CN107425105A (en) * | 2017-08-17 | 2017-12-01 | 广东聚科照明股份有限公司 | A kind of COB clamp structures of LED sealed in units |
| CN110208671A (en) * | 2019-06-20 | 2019-09-06 | 西安卫光科技有限公司 | A kind of air-cooled screw bolt-type diodes age device |
| CN111014083A (en) * | 2019-11-19 | 2020-04-17 | 安徽全信精工装备有限公司 | Diode aging screening instrument |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510000 Room 201, building A4, No. 11, Kaiyuan Avenue, Huangpu District, Guangzhou, Guangdong Patentee after: Silicon energy photoelectric semiconductor (Guangzhou) Co.,Ltd. Address before: 510000 second floor, building A4, No. 11, Kaiyuan Avenue, Science City, Guangzhou high tech Industrial Development Zone, Guangzhou, Guangdong Province Patentee before: GUANGZHOU LEDTEEN OPTOELECTRONICS Co.,Ltd. |