CN103105555B - Aging of product proving installation - Google Patents
Aging of product proving installation Download PDFInfo
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- CN103105555B CN103105555B CN201310035148.4A CN201310035148A CN103105555B CN 103105555 B CN103105555 B CN 103105555B CN 201310035148 A CN201310035148 A CN 201310035148A CN 103105555 B CN103105555 B CN 103105555B
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- 230000032683 aging Effects 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000566913 Thelephora terrestris Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The open aging of product proving installation of the present invention, comprise civil power input, described civil power input 220V alternating voltage is input in power transformer and Switching Power Supply respectively, the DC voltage that 220V alternating voltage is converted to 12V by Switching Power Supply is input to current/voltage display circuit, the DC voltage that 220V alternating voltage is converted to 9V and 12V by power transformer is input on master control power supply and fan power supply respectively, the output terminal of master control power supply connects power light respectively, high precision reference circuit, master control constant-current circuit and current power dissipation load, the output terminal of fan power supply connects automatic fan control circuit, the input end of current power dissipation load is connected to master control constant-current circuit, automatic fan control circuit, the output terminal of high precision reference circuit connects Current adjustment, Current adjustment connects master control constant-current circuit, the output terminal of current power dissipation load connects current/voltage display circuit, it is simple that the present invention has assembling, use simple, cost is low, the feature of easy volume production.
Description
Technical field
The present invention relates to degradation testing technique field, particularly aging of product proving installation.
Background technology
Before electronic product dispatches from the factory, usually to perform burin-in process, and test through the product of burin-in process, underproof product is eliminated, existing aging of product proving installation regulates electric current complicated, cumbersome, electric current is unstable, current drift, and circuit is complicated, element is many, cost is high, and stand-by power consumption is high, also will debug, proofreads in making aging equipment process.
Summary of the invention
In order to overcome above shortcomings part in prior art, the object of the present invention is to provide a kind of constant product quality, the aging of product proving installation of the high power saving again of production efficiency.
In order to reach above-mentioned object, the present invention adopts following concrete technical scheme: aging of product proving installation, comprise civil power input, described civil power input 220V alternating voltage is input in power transformer and Switching Power Supply respectively, the DC voltage that 220V alternating voltage is converted to 12V by Switching Power Supply is input to current/voltage display circuit, the DC voltage that 220V alternating voltage is converted to 9V and 12V by power transformer is input on master control power supply and fan power supply respectively, the output terminal of master control power supply connects power light respectively, high precision reference circuit, master control constant-current circuit and current power dissipation load, the output terminal of fan power supply connects automatic fan control circuit, the input end of current power dissipation load is connected to master control constant-current circuit, automatic fan control circuit, the output terminal of high precision reference circuit connects Current adjustment, Current adjustment connects master control constant-current circuit, the output terminal of current power dissipation load connects current/voltage display circuit.
Described power transformer inputs the AC transformer of 220V by civil power, in parallel with transformer L2, L3, L4 through transformer L1, and converts the direct voltage output of 9V and 12V to.
Described fan power supply, by the alternating voltage of power transformer 9V, through the fan power supply circuit of diode D5, D6, D7, D8 composition and electric capacity C11, C12, C13 of parallel connection, is converted to 12V direct voltage output and ground wire output.
The full bridge rectifier that described master control power supply is made up of diode D1, D2, D3, D4, after wave filter by electric capacity C1, C2, C3, C4, C5, C6, C7, C8, C9, C10 composition, the DC voltage converting 12V after in parallel with pin J1, J2 to exports to power light and high precision reference circuit respectively, power light is made up of LED and resistance R1, described high precision reference circuit is by resistance R3, through electric capacity C14, C15 and pin J3 form in parallel, then to be controlled by resistance R4, R5 of Current adjustment.
Described current/voltage display circuit comprises product input end G1, the circuit that product input end G1 composes in parallel through voltage table, reometer and automatic fan control circuit, automatic fan control circuit comprises many groups, and each automatic fan control circuit is made up of through triode Q1 and fan terminal F1 resistance R2.
Described current power dissipation load is made up of through triode Q3IRFPl50N resistance R11.
The differential that described master control constant-current circuit (8) consists of IC1, R6, C16, R7, R8, R9, C17, C18 IN-signal compares amplifying circuit.
Compared with prior art, the present invention has following outstanding advantages and effect: circuit of the present invention is simple, and element is few, can by real power designed lines plate size, and assembling is simple, and use simple, cost is low, easy volume production; Automatic fan controls, and stand-by power consumption is extremely low, and during product-free, fan does not turn, the power saving of efficiency height; Current stabilization, can not fluctuate because of input and output voltage, variation of ambient temperature, various interference change there is current drift phenomenon.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention;
Fig. 2 is the circuit diagram of power transformer of the present invention;
Fig. 3 is the circuit diagram of power supply fan power supply of the present invention;
Fig. 4 is the circuit diagram of master control power supply of the present invention, high precision reference circuit, power light and Current adjustment parallel connection;
Fig. 5 is the circuit diagram of current/voltage display circuit of the present invention and automatic fan control circuit;
Fig. 6 is the circuit diagram of source current power consumption of the present invention load;
Fig. 7 is the circuit diagram of power supply master control constant-current circuit of the present invention;
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment
In order to explain technical scheme of the present invention further, below by specific embodiment, the present invention will be described in detail.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, aging of product proving installation, comprise civil power input (12), the 220V alternating voltage of described civil power input (12) is input in power transformer (1) and Switching Power Supply (2) respectively, the DC voltage that 220V alternating voltage is converted to 12V by Switching Power Supply (2) is input to current/voltage display circuit (11), the DC voltage that 220V alternating voltage is converted to 9V and 12V by power transformer (1) is input on master control power supply (3) and fan power supply (5) respectively, the output terminal of master control power supply (3) connects power light (4) respectively, high precision reference circuit (7), master control constant-current circuit (8) and current power dissipation load (9), the output terminal of fan power supply (5) connects automatic fan control circuit (6), the input end of current power dissipation load (9) is connected to master control constant-current circuit (8), automatic fan control circuit (6), the output terminal of high precision reference circuit (7) connects Current adjustment (10), Current adjustment (10) connects master control constant-current circuit (8), the output terminal of current power dissipation load (9) connects current/voltage display circuit (11).
Described power transformer (1) inputs the AC transformer of 220V by civil power, in parallel with transformer L2, L3, L4 through transformer L1, and converts the direct voltage output of 9V and 12V to.
Described fan power supply (5), by the DC voltage of power transformer 9V, through the fan power supply circuit of diode D5, D6, D7, D8 composition and electric capacity C11, C12, C13 of parallel connection, is converted to 12V direct voltage output and ground wire output.
Described master control power supply (3) is by diode D1, D2, D3, the full bridge rectifier of D4 composition, by electric capacity C1, C2, C3, C4, C5, C6, C7, C8, C9, after the wave filter of C10 composition, with pin J1, the DC voltage converting 12V after J2 parallel connection to exports to power light (4) and high precision reference circuit (7) respectively, power light (4) is made up of LED and resistance R1, described high precision reference circuit (7) is by resistance R3, through electric capacity C14, it is in parallel that C15 and pin J3 form, again by the resistance R4 of Current adjustment, R5 controls.
Described current/voltage display circuit (11) comprises product input end G1, the circuit that product input end G1 composes in parallel through voltage table, reometer and automatic fan control circuit, automatic fan control circuit is composed in parallel through triode Q1 and fan terminal F1 by resistance R2, and when G1 terminal has voltage to input, electric current and voltage makes Q1 shorted to earth fan start working through resistance R2 connection triode Q1.
The current power dissipation load circuit that described current power dissipation load (9) is made up of through triode Q3IRFPl50N resistance R11.
The differential that described master control constant-current circuit (8) consists of IC1, R6, C16, R7, R8, R9, C17, C18 IN-signal compares amplifying circuit.
Principle of work of the present invention: work as power on circuitry, G1 holds during product-free does not have current flowing resistance R12, resistance two ends R12 does not produce voltage, 2 pin of IC1OP07CP are lower than 3 pin current potentials, 6 pin of IC1OP07CP export ceiling voltage (+12V), Q3IEFPl50N is in and connects saturated holding state over the ground, when G1 end has product, electric current is had to flow through R7, the Voltage Feedback that R7 produces regulates the voltage set to carry out voltage compare to 2 pin of IC1OP07CP and 3 pin through potentiometer R5, voltage swing relatively regulates IRFPl50NI ~ l spoon enlargement factor and internal resistance size by the 6 pin output voltage height of IC1OP07CP, namely regulate the size of current of R7, when R7 both end voltage is the same with the voltage that 3 pin set, 2 pin and the 3 pin contrast potentials of 0P07C complete, electric current starts constant, the current power dissipation of output of products is all become heat energy by the formal transformation that IRFPl50N generates heat with internal resistance, by the heat radiator be fixed on IRFPl50N, heat is taken away, thus reach the same effect of analog equipment use procedure, reach product test performance, the object of factory's long-term ageing product.
Because master control constant-current circuit, current power dissipation load and fan circuit cabling are isolation design, therefore the voltage that fan electrical current produces in circuit can not arrive 2 pin of 0P07C, thus make 2 pin of OP07CP obtain correct actual sampling voltage, 3 pin feeding back to 0P07C are made comparisons, 6 pin export the voltage relatively and regulate IEFPl50N size of current, reach the object of constant current always; Solve other design proposal electric current erratic shifts phenomenon, just can meet and exceed the current precision that just can reach with complicated digital-control circuit with a small amount of element.
Claims (4)
1. aging of product proving installation, comprise civil power input, it is characterized in that: described civil power input 220V alternating voltage is input in power transformer and Switching Power Supply respectively, the DC voltage that 220V alternating voltage is converted to 12V by Switching Power Supply is input to current/voltage display circuit, the DC voltage that 220V alternating voltage is converted to 9V and 12V by power transformer is input on master control power supply and fan power supply respectively, the output terminal of master control power supply connects power light respectively, high precision reference circuit, master control constant-current circuit and current power dissipation load, the output terminal of fan power supply connects automatic fan control circuit, the input end of current power dissipation load is connected to master control constant-current circuit, automatic fan control circuit, the output terminal of high precision reference circuit connects Current adjustment, Current adjustment connects master control constant-current circuit, the output terminal of current power dissipation load connects current/voltage display circuit.
2. aging of product proving installation according to claim 1, it is characterized in that: described fan power supply is by the DC voltage of power transformer 9V, through the fan power supply circuit of diode D5, D6, D7, D8 composition and electric capacity C11, C12, C13 of parallel connection, be converted to 12V direct voltage output and ground wire output.
3. aging of product proving installation according to claim 1, it is characterized in that: described current/voltage display circuit comprises product input end G1, the circuit that product input end G1 composes in parallel through voltage table, reometer and automatic fan control circuit, automatic fan control circuit comprises many group automatic fan control circuits, often organizes automatic fan control circuit and is made up of through triode Q1 and fan terminal F1 resistance R2.
4. aging of product proving installation according to claim 1, is characterized in that: described current power dissipation load is made up of through triode Q3 resistance R11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310035148.4A CN103105555B (en) | 2013-01-25 | 2013-01-25 | Aging of product proving installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310035148.4A CN103105555B (en) | 2013-01-25 | 2013-01-25 | Aging of product proving installation |
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| CN103105555A CN103105555A (en) | 2013-05-15 |
| CN103105555B true CN103105555B (en) | 2016-04-06 |
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| CN201310035148.4A Expired - Fee Related CN103105555B (en) | 2013-01-25 | 2013-01-25 | Aging of product proving installation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104184109B (en) * | 2013-05-23 | 2017-11-24 | 海洋王（东莞）照明科技有限公司 | A kind of over-pressure safety device of light fixture burn-in test |
| CN103499970A (en) * | 2013-10-18 | 2014-01-08 | 利欧集团股份有限公司 | Circuit board current detector |
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| CN201207069Y (en) * | 2008-05-29 | 2009-03-11 | 比亚迪股份有限公司 | Electronic parts aging test system used on automobile |
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| CN102288795A (en) * | 2011-06-28 | 2011-12-21 | 深圳市高斯贝尔数码科技有限公司 | Energy-saving electronic load system |
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| CN202502231U (en) * | 2012-02-15 | 2012-10-24 | 杭州鸿雁东贝光电科技有限公司 | Strip light aging test board |
| CN102223084B (en) * | 2011-06-16 | 2012-11-07 | 湖北网安科技有限公司 | Alternating-current constant-current source circuit |
| CN202614806U (en) * | 2012-05-23 | 2012-12-19 | 广州威能机电有限公司 | Direct current electronic load device |
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| JPS63210785A (en) * | 1987-02-27 | 1988-09-01 | Sony Corp | Constant current load device |
| JP5194815B2 (en) * | 2008-01-16 | 2013-05-08 | 株式会社富士通ゼネラル | Smoothing capacitor abnormality detection circuit and electronic device provided with the same |
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2013
- 2013-01-25 CN CN201310035148.4A patent/CN103105555B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2058367A (en) * | 1979-08-29 | 1981-04-08 | Sheller Globe Corp | Regulator Tester |
| CN201207069Y (en) * | 2008-05-29 | 2009-03-11 | 比亚迪股份有限公司 | Electronic parts aging test system used on automobile |
| CN101887073A (en) * | 2009-05-13 | 2010-11-17 | 武汉特试特电气有限公司 | High voltage power supply for direct current characteristics test of zinc oxide arrester |
| CN102223084B (en) * | 2011-06-16 | 2012-11-07 | 湖北网安科技有限公司 | Alternating-current constant-current source circuit |
| CN102288795A (en) * | 2011-06-28 | 2011-12-21 | 深圳市高斯贝尔数码科技有限公司 | Energy-saving electronic load system |
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| CN102590650A (en) * | 2011-12-20 | 2012-07-18 | 殷晨钟 | Simple ageing and testing device |
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| CN103105555A (en) | 2013-05-15 |
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Inventor after: Wu Zhongkai Inventor after: Wen Yuntao Inventor before: Wu Zhongkai |
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Effective date of registration: 20161124 Address after: High tech Industrial Development Zone, Longyan City, Fujian high Beizhen 364000 County of Yongding Province Patentee after: FUJIAN YIDONGLI ELECTRONIC TECHNOLOGY CO., LTD. Address before: 364000 Shanghang County, Fujian Province Industrial Park, phase two, the fifth phase Patentee before: Shanghang Xianghui Electronics Co., Ltd. |
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Inventor after: Chen Xiaoji Inventor before: Wu Zhongkai Inventor before: Wen Yuntao |
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Address after: High tech Industrial Development Zone, Longyan City, Fujian high Beizhen 364000 County of Yongding Province Patentee after: Fujian Yi power electronic Polytron Technologies Inc Address before: High tech Industrial Development Zone, Longyan City, Fujian high Beizhen 364000 County of Yongding Province Patentee before: FUJIAN YIDONGLI ELECTRONIC TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160406 Termination date: 20210125 |