CN103236801B - A kind of surge impact device detecting electromagnetic oven - Google Patents
A kind of surge impact device detecting electromagnetic oven Download PDFInfo
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Abstract
The invention discloses a kind of surge impact device detecting electromagnetic oven, comprise AC power supply module, trigger voltage changing module, downconverter module, capacitance group module, one-chip computer module, the triggering current input terminal of voltage changing module is held with the L of AC power supply module and is connected, the current output terminal triggering voltage changing module is connected with capacitance group module one end, the other end of capacitance group module is held with the N of AC power supply module and is connected, and the pulse signal input terminal triggering voltage changing module is connected with one-chip computer module; The current input terminal of downconverter module is held with the L of AC power supply module and is connected, and the current output terminal of downconverter module is held with the N of AC power supply module and is connected, and the pulse signal input terminal of downconverter module is connected with one-chip computer module.The present invention can accurately control time started that surge sends and interval time, accurately controls the phase place of surge pulse and positive and negative direction, intensity, realizes detecting quickly and efficiently and finding faulty goods.
Description
Technical field
The present invention relates to electromagentic furnace technology field, particularly relate to a kind of surge impact device detecting electromagnetic oven.
Background technology
At present, in the electromagnetic oven manufacturing enterprise that China is numerous, in the debugging of electromagnetic oven surge, testing process, the manual surge generator of most use or relay control surge generator and carry out surge impact test, this method can accurately not control the phase place, direction etc. of time started that surge pulse sends, interval time and surge, to such an extent as to cannot effectively detect and find the faulty goods in electromagnetic oven production process, and debugging, sense cycle are long, time-consuming, the requirement of production cannot be met.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of surge impact device detecting electromagnetic oven, time started that surge sends and interval time can accurately be controlled, the phase place of accurate control surge pulse and positive and negative direction, intensity, final realization detects quickly and efficiently and finds the faulty goods in electromagnetic oven production process, increases work efficiency.
For solving the problems of the technologies described above, the present invention proposes a kind of surge impact device detecting electromagnetic oven, comprise AC power supply module, trigger voltage changing module, downconverter module, capacitance group module, one-chip computer module, the current input terminal of described triggering voltage changing module is held with the L of AC power supply module and is connected, the current output terminal triggering voltage changing module is connected with capacitance group module one end, the other end of capacitance group module is held with the N of AC power supply module and is connected, and the pulse signal input terminal triggering voltage changing module is connected with one-chip computer module; The current input terminal of downconverter module is held with the L of AC power supply module and is connected, and the current output terminal of downconverter module is held with the N of AC power supply module and is connected, and the pulse signal input terminal of downconverter module is connected with one-chip computer module.
Further, described triggering voltage changing module comprises Trigger transformers GB2, Trigger transformers GB1, for the controllable silicon SRC1 of single-ended rectification, the controllable silicon SRC2 for discharging, the positive pole of controllable silicon SRC1 connects the L end of AC power supply module, the negative pole of controllable silicon SRC1 is connected with 3 ends of Trigger transformers GB2, and the control pole of controllable silicon SRC1 is connected with 4 ends of Trigger transformers GB2; The negative pole of controllable silicon SRC2 connects the L end of AC power supply module and 4 ends of Trigger transformers GB1 respectively, the control pole of controllable silicon SRC2 is connected with 3 ends of Trigger transformers GB1, and the positive pole of controllable silicon SRC2 is connected rear and capacitance group model calling with the negative pole of controllable silicon SRC1; 1 end of Trigger transformers GB2 connects the output of the rectifier and trigger pulse signal M2 of one-chip computer module, the 2 end ground connection of Trigger transformers GB2; 1 end of Trigger transformers GB1 connects the output of the electric discharge start pulse signal M1 of one-chip computer module, the 2 end ground connection of Trigger transformers GB1.
Further, the quantity of described capacitance group module is one or more, and described capacitance group module comprises electric capacity C, and electric capacity C one end is connected by the negative pole of K switch with controllable silicon SRC1, and the other end of electric capacity C is held with the N of AC power supply module and is connected.
Further, described downconverter module comprises step-down transformer B1, triode Q1,1 end of step-down transformer B1 is held with the L of AC power supply module and is connected, 2 ends of step-down transformer B1 are held with the N of AC power supply module and are connected, the 3 end ground connection of step-down transformer B1,4 ends of step-down transformer B1 pass through the base stage of resistance R1 connecting triode Q1; The base stage of triode Q1 is by resistance R2 ground connection, and the collector electrode of triode Q1 connects the input of one-chip computer module interrupt signal INT1, and the collector electrode of triode Q1 meets Vcc by resistance R3, the grounded emitter of triode Q1.
Technique scheme at least has following beneficial effect: the present invention is connected by adopting the current input terminal of described triggering voltage changing module to hold with the L of AC power supply module, the current output terminal triggering voltage changing module is connected with capacitance group module one end, the other end of capacitance group module is held with the N of AC power supply module and is connected, and the pulse signal input terminal triggering voltage changing module is connected with one-chip computer module; The current input terminal of downconverter module is held with the L of AC power supply module and is connected, the current output terminal of downconverter module is held with the N of AC power supply module and is connected, the pulse signal input terminal of downconverter module is connected with one-chip computer module, time started that surge sends and interval time can accurately be controlled, the phase place of accurate control surge pulse and positive and negative direction, intensity, final realization detects quickly and efficiently and finds the faulty goods in electromagnetic oven production process, increases work efficiency.
Accompanying drawing explanation
Fig. 1 is the theory diagram that the present invention detects the surge impact device of electromagnetic oven.
Fig. 2 is the circuit theory diagrams that the present invention detects the surge impact device of electromagnetic oven.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below in conjunction with accompanying drawing, the present invention is described further.
As shown in Figure 1 and Figure 2, the surge impact device of the detection electromagnetic oven of the embodiment of the present invention, comprise AC power supply module 1, trigger voltage changing module 2, downconverter module 3, capacitance group module 4, one-chip computer module 5, the current input terminal of described triggering voltage changing module 2 is held with the L of AC power supply module 1 and is connected, the current output terminal triggering voltage changing module 2 is connected with capacitance group module 4 one end, the other end of capacitance group module 4 is held with the N of AC power supply module 1 and is connected, and the pulse signal input terminal triggering voltage changing module 2 is connected with one-chip computer module 5; The current input terminal of downconverter module 3 is held with the L of AC power supply module 1 and is connected, and the current output terminal of downconverter module 3 is held with the N of AC power supply module 1 and is connected, and the pulse signal input terminal of downconverter module 3 is connected with one-chip computer module 5.Wherein, one-chip computer module 5 provides pulse signal M2, M1 of triggering needed for voltage changing module 2 and the interrupt signal INT1 receiving downconverter module 3 to carry.
Trigger voltage changing module 2 and comprise Trigger transformers GB2, Trigger transformers GB1, for the controllable silicon SRC1 of single-ended rectification, the controllable silicon SRC2 for discharging, the positive pole of controllable silicon SRC1 connects the L end of AC power supply module 1, the negative pole of controllable silicon SRC1 is connected with 3 ends of Trigger transformers GB2, and the control pole of controllable silicon SRC1 is connected with 4 ends of Trigger transformers GB2; The negative pole of controllable silicon SRC2 connects the L end of AC power supply module 1 and 4 ends of Trigger transformers GB1 respectively, the control pole of controllable silicon SRC2 is connected with 3 ends of Trigger transformers GB1, and the positive pole of controllable silicon SRC2 is connected with the negative pole of controllable silicon SRC1 and is connected with capacitance group module 4 afterwards; 1 end of Trigger transformers GB2 connects the output of the rectifier and trigger pulse signal M2 of one-chip computer module 5, the 2 end ground connection of Trigger transformers GB2; 1 end of Trigger transformers GB1 connects the output of the electric discharge start pulse signal M1 of one-chip computer module 5, the 2 end ground connection of Trigger transformers GB1.
The quantity of capacitance group module 4 is one or more, and described capacitance group module 4 comprises electric capacity C, and electric capacity C one end is connected by the negative pole of K switch with controllable silicon SRC1, and the other end of electric capacity C is held with the N of AC power supply module 1 and is connected.Particularly, the negative pole of controllable silicon SRC1 is connected with one end of electric capacity C1, C2, Cn-1, Cn respectively by K switch 1, K2, Kn-1, Kn, the other end of electric capacity C1, C2, Cn-1, Cn is held with the N of AC power supply module 1 and is connected, as another kind of embodiment, the capacitance of electric capacity C can be identical, also can be different, with the requirement of satisfied different pulse strength.
Downconverter module 3 comprises step-down transformer B1, triode Q1,1 end of step-down transformer B1 is held with the L of AC power supply module 1 and is connected, 2 ends of step-down transformer B1 are held with the N of AC power supply module 1 and are connected, the 3 end ground connection of step-down transformer B1,4 ends of step-down transformer B1 pass through the base stage of resistance R1 connecting triode Q1; The base stage of triode Q1 is by resistance R2 ground connection, and the collector electrode of triode Q1 connects the input of one-chip computer module 5 interrupt signal INT1, and the collector electrode of triode Q1 meets Vcc by resistance R3, the grounded emitter of triode Q1.
During work, AC power supply module 1 input AC electric current is by 1,2 ends of step-down transformer B1,3,4 ends of step-down transformer B1 export synchronous low-voltage, triode Q1 base stage is added to after resistance R1, R2 dividing potential drop, detect zero crossing pulse at triode Q1 collector electrode, export to outside one-chip computer module 5; Then one-chip computer module 5 sends rectifier and trigger pulse signal M2 according to arranging, and after Trigger transformers GB2 isolates, controls controllable silicon SRC1 conducting.Therefore, when K switch 1, K2, Kn-1, Kn close, AC power supply module 1 charges to electric capacity C1, C2, Cn-1, Cn through SRC1, K1, K2, Kn-1, Kn, some all after dates, electric capacity C1, C2, Cn-1, Cn charging complete; One-chip computer module 5 sends electric discharge start pulse signal M1 according to arranging, after Trigger transformers GB1 isolates, control controllable silicon SRC2 conducting, electric capacity lotus that C1, C2, Cn-1, Cn charge is discharged to AC power supply module 1 through K switch 1, K2, Kn-1, Kn, SRC2, completes surge and exports.
To sum up, by adjusting the timer of one-chip computer module 5, time of origin and the interval time of trigger impulse can be controlled; The setting of adjustment one-chip computer module 5, can control the phase place of trigger impulse and positive and negative direction; Change the capacitance value of K switch 1, K2, Kn-1, Kn closure state and electric capacity C1, C2, Cn-1, Cn, the intensity of surge pulse can be controlled, final realization detects quickly and efficiently and finds the faulty goods in electromagnetic oven production process, increases work efficiency.
The above is the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (3)
1. one kind is detected the surge impact device of electromagnetic oven, it is characterized in that, comprise AC power supply module (1), trigger voltage changing module (2), downconverter module (3), capacitance group module (4), one-chip computer module (5), the current input terminal of described triggering voltage changing module (2) is held with the L of AC power supply module (1) and is connected, the current output terminal triggering voltage changing module (2) is connected with capacitance group module (4) one end, the other end of capacitance group module (4) is held with the N of AC power supply module (1) and is connected, the pulse signal input terminal triggering voltage changing module (2) is connected with one-chip computer module (5), the current input terminal of downconverter module (3) is held with the L of AC power supply module (1) and is connected, the current output terminal of downconverter module (3) is held with the N of AC power supply module (1) and is connected, and the pulse signal input terminal of downconverter module (3) is connected with one-chip computer module (5),
Described triggering voltage changing module (2) comprises Trigger transformers GB2, Trigger transformers GB1, for the controllable silicon SRC1 of single-ended rectification, the controllable silicon SRC2 for discharging, the positive pole of controllable silicon SRC1 connects the L end of AC power supply module (1), the negative pole of controllable silicon SRC1 is connected with 3 ends of Trigger transformers GB2, and the control pole of controllable silicon SRC1 is connected with 4 ends of Trigger transformers GB2; The negative pole of controllable silicon SRC2 connects the L end of AC power supply module (1) and 4 ends of Trigger transformers GB1 respectively, the control pole of controllable silicon SRC2 is connected with 3 ends of Trigger transformers GB1, and the positive pole of controllable silicon SRC2 is connected with the negative pole of controllable silicon SRC1 and is connected with capacitance group module (4) afterwards; 1 end of Trigger transformers GB2 connects the output of the rectifier and trigger pulse signal M2 of one-chip computer module (5), the 2 end ground connection of Trigger transformers GB2; 1 end of Trigger transformers GB1 connects the output of the electric discharge start pulse signal M1 of one-chip computer module (5), the 2 end ground connection of Trigger transformers GB1.
2. the surge impact device detecting electromagnetic oven as claimed in claim 1, it is characterized in that, the quantity of described capacitance group module (4) is one or more, described capacitance group module (4) comprises electric capacity C, electric capacity C one end is connected by the negative pole of K switch with controllable silicon SRC1, and the other end of electric capacity C is held with the N of AC power supply module (1) and is connected.
3. the surge impact device detecting electromagnetic oven as claimed in claim 2, it is characterized in that, described downconverter module (3) comprises step-down transformer B1, triode Q1,1 end of step-down transformer B1 is held with the L of AC power supply module (1) and is connected, 2 ends of step-down transformer B1 are held with the N of AC power supply module (1) and are connected, the 3 end ground connection of step-down transformer B1,4 ends of step-down transformer B1 pass through the base stage of resistance R1 connecting triode Q1; The base stage of triode Q1 is by resistance R2 ground connection, and the collector electrode of triode Q1 connects the input of one-chip computer module (5) interrupt signal INT1, and the collector electrode of triode Q1 meets Vcc by resistance R3, the grounded emitter of triode Q1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310117741.3A CN103236801B (en) | 2013-04-07 | 2013-04-07 | A kind of surge impact device detecting electromagnetic oven |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310117741.3A CN103236801B (en) | 2013-04-07 | 2013-04-07 | A kind of surge impact device detecting electromagnetic oven |
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| CN103236801B true CN103236801B (en) | 2015-09-02 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105486988B (en) * | 2014-10-09 | 2019-01-15 | 江苏中科君芯科技有限公司 | A kind of pressure resistant testing device and method of electromagnetic oven IGBT |
| CN109683045A (en) * | 2019-01-25 | 2019-04-26 | 中山爱它电器科技有限公司 | Surge impact simulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4334256A (en) * | 1980-04-04 | 1982-06-08 | Texas Instruments Incorporated | Automotive surge suppressor |
| CN101789590A (en) * | 2009-01-22 | 2010-07-28 | 孙巍巍 | Novel surge protective device |
| CN201590659U (en) * | 2009-10-25 | 2010-09-22 | 美的集团有限公司 | Surge response protection circuit of induction cooker |
| CN202679686U (en) * | 2012-05-09 | 2013-01-16 | 九阳股份有限公司 | Voltage sampling and surge protection circuit of electromagnetic stove |
| CN203219202U (en) * | 2013-04-07 | 2013-09-25 | 广东鼎燊科技有限公司 | An apparatus for detecting surge impacts of an induction cooker |
-
2013
- 2013-04-07 CN CN201310117741.3A patent/CN103236801B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4334256A (en) * | 1980-04-04 | 1982-06-08 | Texas Instruments Incorporated | Automotive surge suppressor |
| CN101789590A (en) * | 2009-01-22 | 2010-07-28 | 孙巍巍 | Novel surge protective device |
| CN201590659U (en) * | 2009-10-25 | 2010-09-22 | 美的集团有限公司 | Surge response protection circuit of induction cooker |
| CN202679686U (en) * | 2012-05-09 | 2013-01-16 | 九阳股份有限公司 | Voltage sampling and surge protection circuit of electromagnetic stove |
| CN203219202U (en) * | 2013-04-07 | 2013-09-25 | 广东鼎燊科技有限公司 | An apparatus for detecting surge impacts of an induction cooker |
Non-Patent Citations (1)
| Title |
|---|
| OCS系统组合波浪涌信号发生器的技术研究;张林 等;《高电压技术》;20030930;第29卷(第9期);第46-47页，图1-图2 * |
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Address after: 518000 A 405, Da Bai Hui hi tech Industrial Park, deep salt road, Yantian District, Shenzhen, Guangdong Patentee after: Guangdong dingshen cloud kitchen Polytron Technologies Inc Address before: 518000 A 405, Da Bai Hui hi tech Industrial Park, deep salt road, Yantian District, Shenzhen, Guangdong Patentee before: Guangdong Dingcan Technology Co., Ltd. |
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Address after: 518000 Guangdong province Shenzhen city road salt Yantian District grand Parkway high tech Industrial Park A building 405 Patentee after: Guangdong Yiai cloud kitchen Technology Co.,Ltd. Address before: 518000 Guangdong province Shenzhen city road salt Yantian District grand Parkway high tech Industrial Park A building 405 Patentee before: GUANGDONG DINGSHEN YUNCHU TECHNOLOGY Co.,Ltd. |
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