CN110057685B - Thermal fatigue testing device and testing method for heating non-combustion type cigarette heating sheet - Google Patents
Thermal fatigue testing device and testing method for heating non-combustion type cigarette heating sheet Download PDFInfo
- Publication number
- CN110057685B CN110057685B CN201910230311.XA CN201910230311A CN110057685B CN 110057685 B CN110057685 B CN 110057685B CN 201910230311 A CN201910230311 A CN 201910230311A CN 110057685 B CN110057685 B CN 110057685B
- Authority
- CN
- China
- Prior art keywords
- heating
- sample
- type cigarette
- fan
- combustion type
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
Abstract
The invention relates to a thermal fatigue testing device and a testing method for a heating non-combustion type cigarette heating sheet, and belongs to the technical field of ceramic material thermal fatigue detection. The device comprises a support plate I, a support plate II, a power supply, a single chip microcomputer, a sample clamp capable of being electrified, a fan, an infrared temperature detector, a diode I and a diode II; the support plate I is vertically and fixedly connected with the support plate II, a fan, a sample clamp capable of being electrified and a power supply are sequentially arranged in the middle of the support plate from one end close to the support plate II, an infrared temperature measurer is arranged in the center of the support plate II and connected with a single chip microcomputer, a diode I is connected between the single chip microcomputer and the sample clamp capable of being electrified through a wire, a diode II is connected between the single chip microcomputer and the fan through a wire, and the power supply supplies power to the whole device. The invention realizes the thermal fatigue test of the heating non-combustion type cigarette heating sheet by carrying out the ways of electrifying, heating and air cooling on the heating non-combustion type cigarette heating sheet, and has simple structure and convenient use.
Description
Technical Field
The invention relates to a thermal fatigue testing device and a testing method for a heating non-combustion type cigarette heating sheet, and belongs to the technical field of ceramic material thermal fatigue detection.
Technical Field
Along with the enhancement of the global smoking control strength, the development of the non-burning type cigarette is rapid, the growth is very fast, and the development prospect is good. However, the cigarette appliance which is not burnt by heating has some fault phenomena in long-term use, one of which is the phenomenon that the heating sheet of the cigarette which is not burnt by heating breaks due to thermal fatigue. At present, no detection means and method for testing the fracture condition of the heating sheet of the non-combustion type cigarette caused by thermal fatigue exist in the market, and no test standard exists in China, and the thermal fatigue of the heating sheet of the electronic cigarette needs to be tested, so that a corresponding test device and a test method thereof need to be developed.
Disclosure of Invention
The invention provides a thermal fatigue testing device and a testing method for a heating non-combustion type cigarette heating sheet, which are used for testing the thermal fatigue limit times of the heating non-combustion type cigarette heating sheet.
The technical scheme of the invention is as follows: a thermal fatigue testing device for a heating non-combustion type cigarette heating sheet comprises a support plate I1, a support plate II 2, a power supply 3, a single chip microcomputer 4, an electrified sample clamp 5, a fan 8, an infrared temperature detector 10, a diode I11 and a diode II 12;
the support plate I1 is vertically and fixedly connected with the support plate II 2, a fan 8, a sample clamp 5 capable of being electrified and a power supply 3 are sequentially arranged at the middle position above the support plate I1 from one end close to the support plate II 2, an infrared temperature measurer 10 is arranged at the central position of the support plate II 2, the infrared temperature measurer 10 is connected with a single chip microcomputer 4, a diode I11 is connected between the sample clamp 5 capable of being electrified and the single chip microcomputer 4 through a lead, a diode II 12 is connected between the fan 8 and the single chip microcomputer 4 through a lead, and the power supply 3 supplies power to the whole device.
The sample anchor clamps that can energize 5 are the cuboid type, be equipped with the cuboid type clamp mouth 15 that is more than three opening at the top surface, clamp mouth 15 is used for inserting fixed heating incombustible type cigarette heating element sample 6, sample anchor clamps that can energize 5 sides are equipped with more than three circular telegram pilot lamp 7 and press from both sides mouth 15 one-to-one, press from both sides the inside one side of mouth 15 and be equipped with conductive contact I13, conductive contact I13 is parallelly connected and is connected with diode I11, the inside other side of clamp mouth 15 is equipped with conductive contact II 14, every conductive contact II 14 is connected with 7 one end of circular telegram pilot lamp that correspond, circular telegram pilot lamp 7 other end is parallelly connected and is connected with the power.
And a fan indicator lamp 9 is arranged on the fan 8, and the air outlet of the fan 8 is just opposite to the heating non-combustion type cigarette heating sheet sample 6.
The infrared temperature detector 10 is higher than the blower 8.
A test method for testing thermal fatigue of a heating non-combustion type cigarette heating sheet by using a thermal fatigue test device for the heating non-combustion type cigarette heating sheet comprises the following specific steps:
s1: inserting a to-be-tested non-combustion type cigarette heating piece sample 6 into a clamping opening 15 of an electrified sample clamp 5 to ensure that the non-combustion type cigarette heating piece sample 6 is contacted with a conductive contact piece I13 and a conductive contact piece II 14 in the clamping opening 15 at the same time;
s2: the thermal fatigue times of the heating non-combustion type cigarette heating piece sample 6 in any clamping opening 15 are measured according to the following processes:
s2.1: the I11 conduction power supply 3 of the diode is controlled by the singlechip 4 to supply power to the sample clamp 5 which can be electrified: if the sample 6 of the heating sheet of the non-burning type cigarette is broken, the power-on indicator lamp 7 is turned off; otherwise, the current provided by the power supply 3 heats the non-combustion type cigarette heating piece sample 6 through the conductive contact piece I13 and the conductive contact piece II 14, and the power-on indicator lamp 7 is normally on;
s2.2: the temperature of a heating non-combustion type cigarette heating piece sample 6 is detected through an infrared temperature detector 10, when the temperature reaches 300 ℃, a power supply 3 is cut off by a single chip microcomputer 4 through a control diode I11 to supply power to an electrified sample clamp 5, heating is stopped, an electrified indicating lamp 7 is turned off, meanwhile, the single chip microcomputer 4 starts a fan 8 through a control diode II 12, the fan 8 performs air cooling on the heating non-combustion type cigarette heating piece sample 6, and the fan indicating lamp 9 is normally on;
s2.3: when the temperature of the sample 6 for heating the non-combustion type cigarette heating sheet is reduced to 30 ℃, the single chip microcomputer 4 turns off the fan 8 through the control diode II 12, and the fan indicator lamp 9 is turned off;
s2.4: repeating the step S2.1 to the step S2.3 until the power-on indicator lamp 7 is turned off and terminated after the step S2.1 is executed; and (3) taking the number of times of lighting the fan indicator lamp 9 in the whole circulation process as the number of times of thermal fatigue of the heating non-combustion type cigarette heating sheet sample 6 participating in the measurement.
The invention has the beneficial effects that: the invention realizes the thermal fatigue test of the heating non-combustion type cigarette heating sheet by carrying out the ways of electrifying, heating and air cooling on the heating non-combustion type cigarette heating sheet, and has simple structure and convenient use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the electrical connections of the sample holder of the present invention;
FIG. 3 is a cross-sectional view of a clamp opening of the sample clamp capable of being electrified according to the present invention;
the reference numbers in the figures are: the device comprises a support plate I1, a support plate II 2, a power supply 3, a singlechip 4, a powered sample clamp 5, a heated non-combustion type cigarette heating piece sample 6, a breakage indicator light 7, a fan 8, a fan indicator light 9, an infrared temperature detector 10, a diode I11, a diode II 12, a conductive contact I13, a conductive contact II 14 and a clamping opening 15.
Detailed Description
The invention will be further described with reference to the following figures and examples, without however restricting the scope of the invention thereto.
Example 1: as shown in fig. 1-3, a thermal fatigue testing device for a heating non-combustion type cigarette heating sheet comprises a support plate I1, a support plate II 2, a power supply 3, a single chip microcomputer 4, an electrified sample clamp 5, a fan 8, an infrared temperature detector 10, a diode I11 and a diode II 12;
the support plate I1 is vertically and fixedly connected with the support plate II 2, a fan 8, a sample clamp 5 capable of being electrified and a power supply 3 are sequentially arranged at the middle position above the support plate I1 from one end close to the support plate II 2, an infrared temperature measurer 10 is arranged at the central position of the support plate II 2, the infrared temperature measurer 10 is connected with a single chip microcomputer 4, a diode I11 is connected between the sample clamp 5 capable of being electrified and the single chip microcomputer 4 through a lead, a diode II 12 is connected between the fan 8 and the single chip microcomputer 4 through a lead, and the power supply 3 supplies power to the whole device.
Further, can set up sample anchor clamps 5 can be circular telegram and be the cuboid type, be equipped with more than three opening at the cuboid type of top surface and press from both sides mouth 15, press from both sides mouth 15 and be used for the installation fixed heating incombustible type cigarette heating element sample 6, can circular telegram sample anchor clamps 5 side is equipped with more than three circular telegram pilot lamp 7 and presss from both sides mouth 15 one-to-one, press from both sides the inside one side of mouth 15 and be equipped with conductive contact I13, conductive contact I13 is parallelly connected and is connected with diode I11, press from both sides the inside other side of mouth 15 and be equipped with conductive contact II 14, every conductive contact II 14 is connected with 7 one end of circular telegram pilot lamp that correspond, circular telegram pilot lamp 7 other end is parallelly connected and is connected with the power.
Further, a fan indicating lamp 9 can be arranged on the fan 8, and the air outlet of the fan 8 is just opposite to the sample 6 of the heating non-combustion type cigarette heating sheet.
Further, the infrared temperature detector 10 may be installed at a height higher than that of the blower 8.
A test method for testing thermal fatigue of a heating non-combustion type cigarette heating sheet by using a thermal fatigue test device for the heating non-combustion type cigarette heating sheet comprises the following specific steps:
s1: inserting a to-be-tested non-combustion type cigarette heating piece sample 6 into a clamping opening 15 of an electrified sample clamp 5 to ensure that the non-combustion type cigarette heating piece sample 6 is contacted with a conductive contact piece I13 and a conductive contact piece II 14 in the clamping opening 15 at the same time;
s2: the thermal fatigue times of the heating non-combustion type cigarette heating piece sample 6 in any clamping opening 15 are measured according to the following processes:
s2.1: the I11 conduction power supply 3 of the diode is controlled by the singlechip 4 to supply power to the sample clamp 5 which can be electrified: if the sample 6 of the heating sheet of the non-burning type cigarette is broken, the power-on indicator lamp 7 is turned off; otherwise, the current provided by the power supply 3 heats the non-combustion type cigarette heating piece sample 6 through the conductive contact piece I13 and the conductive contact piece II 14, and the power-on indicator lamp 7 is normally on;
s2.2: the temperature of a heating non-combustion type cigarette heating piece sample 6 is detected through an infrared temperature detector 10, when the temperature reaches 300 ℃, a power supply 3 is cut off by a single chip microcomputer 4 through a control diode I11 to supply power to an electrified sample clamp 5, heating is stopped, an electrified indicating lamp 7 is turned off, meanwhile, the single chip microcomputer 4 starts a fan 8 through a control diode II 12, the fan 8 performs air cooling on the heating non-combustion type cigarette heating piece sample 6, and the fan indicating lamp 9 is normally on;
s2.3: when the temperature of the sample 6 for heating the non-combustion type cigarette heating sheet is reduced to 30 ℃, the single chip microcomputer 4 turns off the fan 8 through the control diode II 12, and the fan indicator lamp 9 is turned off;
s2.4: repeating the step S2.1 to the step S2.3 until the power-on indicator lamp 7 is turned off and terminated after the step S2.1 is executed; and (3) taking the number of times of lighting the fan indicator lamp 9 in the whole circulation process as the number of times of thermal fatigue of the heating non-combustion type cigarette heating sheet sample 6 participating in the measurement.
The working principle of the invention is as follows: during operation, I11 conduction power supply 3 is controlled through singlechip 4 to supply power for sample anchor clamps 5 that can energize, sample anchor clamps 5 that can energize heat incombustible type cigarette heating element sample 6 in the clamping opening 15 and carry out the ohmic heating, reach certain temperature after the rethread singlechip 4 through II 12 start-up fans 8 of control diode, fans 8 carry out the air-cooling to heating incombustible type cigarette heating element sample 6, repetitive operation and through the operating condition of circular telegram pilot lamp 7 in sample anchor clamps 5 that can energize and the number of times that lights of fan pilot lamp 9 judge the thermal fatigue number of times that heats incombustible type cigarette heating element sample 6.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. The utility model provides a heat fatigue test device that heating does not burn type cigarette piece that generates heat which characterized in that: the device comprises a support plate I (1), a support plate II (2), a power supply (3), a single chip microcomputer (4), an electrified sample clamp (5), a fan (8), an infrared temperature detector (10), a diode I (11) and a diode II (12);
the support plate I (1) is vertically and fixedly connected with the support plate II (2), a fan (8), an electrified sample clamp (5) and a power supply (3) are sequentially arranged at the middle position on the support plate I (1) from one end close to the support plate II (2), an infrared temperature measurer (10) is arranged at the central position of the support plate II (2), the infrared temperature measurer (10) is connected with the single chip microcomputer (4), a diode I (11) is connected between the electrified sample clamp (5) and the single chip microcomputer (4) through a wire, a diode II (12) is connected between the fan (8) and the single chip microcomputer (4) through a wire, and the power supply (3) supplies power to the whole device;
the test procedure was as follows:
s1: inserting a to-be-tested heating non-combustion type cigarette heating piece sample (6) into a clamping opening (15) of an electrified sample clamp (5) to ensure that the heating non-combustion type cigarette heating piece sample (6) is simultaneously contacted with a conductive contact piece I (13) and a conductive contact piece II (14) in the clamping opening (15);
s2: the thermal fatigue times of the heating non-combustion type cigarette heating piece sample (6) in any clamping opening (15) are measured according to the following processes:
s2.1: the I (11) control diode of singlechip (4) switches on power supply (3) and supplies power to sample clamp (5) which can be electrified: if the sample (6) of the heating sheet of the non-burning type cigarette is broken, the power-on indicator lamp (7) is turned off; otherwise, the current provided by the power supply (3) heats the non-combustion type cigarette heating piece sample (6) through the conductive contact piece I (13) and the conductive contact piece II (14), and the power-on indicator lamp (7) is normally on;
s2.2: the temperature of a heating non-combustion type cigarette heating piece sample (6) is detected through an infrared temperature detector (10), when the temperature reaches 300 ℃, a singlechip (4) cuts off a power supply (3) through a control diode I (11) to supply power to an electrified sample clamp (5), heating is stopped, an electrified indicating lamp (7) is turned off, meanwhile, the singlechip (4) starts a fan (8) through a control diode II (12), the fan (8) performs air cooling on the heating non-combustion type cigarette heating piece sample (6), and the fan indicating lamp (9) is normally on;
s2.3: when the temperature of the sample (6) for heating the non-combustion type cigarette heating sheet is reduced to 30 ℃, the single chip microcomputer (4) turns off the fan (8) through the control diode II (12), and the fan indicator lamp (9) is turned off;
s2.4: repeating the step S2.1 to the step S2.3 until the power-on indicator lamp (7) is turned off and terminated after the step S2.1 is executed; and the lighting times of the fan indicator lamp (9) in the whole circulation process are used as the thermal fatigue times of the heating non-combustion type cigarette heating sheet sample (6) participating in the measurement.
2. The thermal fatigue testing device for the heating non-combustion type cigarette heating sheet according to claim 1, characterized in that: the sample clamp (5) capable of being electrified is of a cuboid shape, a clamping opening (15) with more than three openings on the top surface is formed in the cuboid shape, the clamping opening (15) is used for inserting and fixing a heating non-combustion cigarette heating piece sample (6), more than three electrifying indicator lamps (7) are arranged on the side face of the sample clamp (5) capable of being electrified and correspond to the clamping opening (15) one by one, a conductive contact piece I (13) is arranged on one side face inside the clamping opening (15), the conductive contact pieces I (13) are connected in parallel and are connected with a diode I (11), a conductive contact piece II (14) is arranged on the other side face inside the clamping opening (15), each conductive contact piece II (14) is connected with one end of the corresponding electrifying indicator lamp (7), and the other end of the electrifying indicator lamp (7).
3. The thermal fatigue testing device for the heating non-combustion type cigarette heating sheet according to claim 1, characterized in that: and a fan indicating lamp (9) is arranged on the fan (8), and the air outlet of the fan (8) is just opposite to the heating non-combustion type cigarette heating sheet sample (6).
4. The thermal fatigue testing device for the heating non-combustion type cigarette heating sheet according to claim 1, characterized in that: the installation height of the infrared temperature detector (10) is higher than that of the fan (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230311.XA CN110057685B (en) | 2019-03-26 | 2019-03-26 | Thermal fatigue testing device and testing method for heating non-combustion type cigarette heating sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230311.XA CN110057685B (en) | 2019-03-26 | 2019-03-26 | Thermal fatigue testing device and testing method for heating non-combustion type cigarette heating sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110057685A CN110057685A (en) | 2019-07-26 |
| CN110057685B true CN110057685B (en) | 2021-09-17 |
Family
ID=67315963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910230311.XA Active CN110057685B (en) | 2019-03-26 | 2019-03-26 | Thermal fatigue testing device and testing method for heating non-combustion type cigarette heating sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110057685B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842403Y (en) * | 2005-10-31 | 2006-11-29 | 宝山钢铁股份有限公司 | Heating for detecting high-temperature thermal-shock performance of fireretardant material |
| CN201281746Y (en) * | 2008-11-06 | 2009-07-29 | 贵州雅光电子科技股份有限公司 | Hot load cyclic test stand |
| CN102768158A (en) * | 2012-05-28 | 2012-11-07 | 南京工业大学 | Automatic tester for thermal shock resistance of ceramic material |
| CN104840363A (en) * | 2015-04-23 | 2015-08-19 | 昆明理工大学 | Wireless heating nursing bottle based on wireless power transmission |
| CN106443230A (en) * | 2016-08-23 | 2017-02-22 | 中国电力科学研究院 | Thermal shock test system and method for transmission project outdoor galvanization fitting |
| CN107043245A (en) * | 2017-02-08 | 2017-08-15 | 无锡工艺职业技术学院 | A kind of ceramic heating plate |
| CN108178623A (en) * | 2018-01-10 | 2018-06-19 | 冷水江市华生瓷业有限公司 | A kind of novel microwave heat generating ceramic and its processing technology |
| CN208096015U (en) * | 2018-03-29 | 2018-11-16 | 深圳市合元科技有限公司 | A kind of heater and electronic cigarette |
| CN208242853U (en) * | 2018-04-24 | 2018-12-18 | 深圳市舜宝科技有限公司 | A kind of heating plant of electronics tobacco rod |
-
2019
- 2019-03-26 CN CN201910230311.XA patent/CN110057685B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842403Y (en) * | 2005-10-31 | 2006-11-29 | 宝山钢铁股份有限公司 | Heating for detecting high-temperature thermal-shock performance of fireretardant material |
| CN201281746Y (en) * | 2008-11-06 | 2009-07-29 | 贵州雅光电子科技股份有限公司 | Hot load cyclic test stand |
| CN102768158A (en) * | 2012-05-28 | 2012-11-07 | 南京工业大学 | Automatic tester for thermal shock resistance of ceramic material |
| CN104840363A (en) * | 2015-04-23 | 2015-08-19 | 昆明理工大学 | Wireless heating nursing bottle based on wireless power transmission |
| CN106443230A (en) * | 2016-08-23 | 2017-02-22 | 中国电力科学研究院 | Thermal shock test system and method for transmission project outdoor galvanization fitting |
| CN107043245A (en) * | 2017-02-08 | 2017-08-15 | 无锡工艺职业技术学院 | A kind of ceramic heating plate |
| CN108178623A (en) * | 2018-01-10 | 2018-06-19 | 冷水江市华生瓷业有限公司 | A kind of novel microwave heat generating ceramic and its processing technology |
| CN208096015U (en) * | 2018-03-29 | 2018-11-16 | 深圳市合元科技有限公司 | A kind of heater and electronic cigarette |
| CN208242853U (en) * | 2018-04-24 | 2018-12-18 | 深圳市舜宝科技有限公司 | A kind of heating plant of electronics tobacco rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110057685A (en) | 2019-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102590763A (en) | LED (light emitting diode) service life test system and test method thereof | |
| CN205690454U (en) | A kind of detection device of pot partially and electromagnetic oven | |
| WO2019134456A1 (en) | Electronic cigarette automatic temperature control device, system and method, and electronic cigarette | |
| CN202182813U (en) | Light-emitting diode (LED) light attenuation testing device | |
| CN110057685B (en) | Thermal fatigue testing device and testing method for heating non-combustion type cigarette heating sheet | |
| CN113791297A (en) | Multifunctional test equipment with thermal stress test function and test method thereof | |
| CN205353328U (en) | A control by temperature change heating device that is used for multichannel LED life -span to accelerate and online test | |
| CN205404622U (en) | LED lamp strip detects anchor clamps | |
| CN205103369U (en) | COB -LED strikes aging testing device | |
| CN106803743A (en) | For keeping, detecting and testing the temperature control platform of solar cell, system and method | |
| CN102654558A (en) | Light-emitting diode (LED) testing device | |
| KR20130023817A (en) | Board chamber for heating package | |
| CN107063891B (en) | Device and method for electromigration in thermoelectric composite field | |
| CN103575940B (en) | Light-emitting diode detection device | |
| CN215375658U (en) | Full-automatic LED aging testing device | |
| CN110438788A (en) | Embryo cloth Automatic quality inspection edge-neatening apparatus | |
| CN216847938U (en) | Test pencil and follow equipment light detection station of examining | |
| CN208172214U (en) | A kind of full-automatic lamps and lanterns endurance testing device | |
| CN104391230A (en) | Voltage-resisting test board structure of PTC heater | |
| US3305680A (en) | Lamp terminal assembly | |
| CN208636714U (en) | A kind of temperature controller low-temperature test platform | |
| CN215116649U (en) | Switch period cycle testing arrangement | |
| CN214636531U (en) | Heating device with good heating uniformity | |
| CN206208812U (en) | Glow Wire Tester | |
| CN218349656U (en) | Temperature indicating device for detecting TCO (transparent conductive oxide) truncation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |