CN101860183A - Self-adaptive trigger circuit of three-phase electric dust-removing power supply - Google Patents
Self-adaptive trigger circuit of three-phase electric dust-removing power supply Download PDFInfo
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- CN101860183A CN101860183A CN201010190654A CN201010190654A CN101860183A CN 101860183 A CN101860183 A CN 101860183A CN 201010190654 A CN201010190654 A CN 201010190654A CN 201010190654 A CN201010190654 A CN 201010190654A CN 101860183 A CN101860183 A CN 101860183A
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Abstract
The invention discloses a self-adaptive trigger circuit of a three-phase electric dust-removing power supply, which is provided with a three-phase power supply main circuit control unit connected with the three-phase power supply. The self-adaptive trigger circuit is characterized in that the three-phase power supply is connected with a power supply signal transmitter; the output end of the power signal transmitter is connected with a synchronizing signal generator and a phase signal generator respectively; the output end of the synchronizing signal generator is connected with a trigger signal generator by a CPU; the output end of the phase signal generator is connected directly with the trigger signal generator; and the output end of the trigger signal generator is connected with the three-phase main circuit control unit. The circuit of the invention is simple and has the advantages of strong anti-interference ability, convenient installation and no need of manual debugging and phase sequence detection.
Description
Technical field:
The present invention relates to a kind of electric cleaner three phase mains control circuit, especially a kind ofly need not to detect three-phase power supply phase sequence, self-adaptive trigger circuit of three-phase electric dust-removing power supply easy for installation.
Background technology:
Electric cleaner is under the effect of high-tension electricity field force, charged grit is deposited on the electrode, thereby the dust cleaning apparatus with grit is separated from dusty gas has been widely used in industries such as electric power, metallurgy, building materials, chemical industry, oil, weaving, boiler, iron and steel.Because the three-phase high-voltage power supply can remain and balance each other, can stablize the running current voltage that improves electric field, increase the ash removal efficiency of electric cleaner and remarkable energy saving effect is arranged, therefore present more deduster all adopts the power supply of three-phase high-voltage power supply.Existing electric cleaner is to be provided with the three phase mains major loop control unit that joins with three phase mains with the three phase mains control circuit, and the drive circuit that controllable silicon is arranged in this control unit and join with controllable silicon triggers controllable silicon to regulate the three phase mains output voltage.Because existing triggering mode must go to trigger in strict accordance with the order of A, B, C, therefore also must be connected to circuit of testing the phase sequence with three phase mains, exports triggering signal to drive circuit by CPU (single-chip microcomputer) again.Like this, the circuit of testing the phase sequence more complicated is set not only, also must installs simultaneously, waste time and energy according to three-phase power supply phase sequence (order or inverted order).
Summary of the invention:
The present invention is in order to solve the above-mentioned technical problem of existing in prior technology, and a kind of need not to detect three-phase power supply phase sequence, self-adaptive trigger circuit of three-phase electric dust-removing power supply easy for installation are provided.
Technical solution of the present invention is: a kind of self-adaptive trigger circuit of three-phase electric dust-removing power supply, be provided with the three phase mains major loop control unit that joins with three phase mains, it is characterized in that: be connected to the power supply signal transmitter with three phase mains, the output of power supply signal transmitter is joined with synchronous generator and phase signal generator respectively, the output of synchronous generator is joined by CPU and trigger signal generator, the output of phase signal generator directly and trigger signal generator join, the output of trigger signal generator and three phase mains major loop control unit join.
Described trigger signal generator is provided with the not gate U1-1 that joins with the phase signal generator output signal, U1-2 and U1-3, be provided with join with the CPU output signal with door U2-1, U2-2, U2-3, U2-4, U2-5 and U2-6, the input of not gate U1-1 with join with door U2-1, the output of not gate U1-1 with join with door U2-2, the input of not gate U1-2 with join with door U2-3, the output of not gate U1-2 with join with door U2-4, the input of not gate U1-3 with join with door U2-5, the output of not gate U1-3 with join with door U2-6, with door U2-1 with the output of door U2-5 with or a door U3-1 join, with door U2-2 with the output of door U2-6 with or a door U3-2 join, with door U2-2 with the output of door U2-3 with or a door U3-3 join, with door U2-3 with the output of door U2-4 with or a door U3-4 join, with door U2-4 with the output of door U2-5 with or a door U3-5 join, with door U2-3 with the output of door U2-6 with or a door U3-6 join.
The present invention compares with prior art, has following advantage:
1. circuit is simple, need not manual debugging, and antijamming capability is strong;
2. need not to detect phase sequence, easy for installation.
Description of drawings:
Fig. 1 is the schematic block circuit diagram of the embodiment of the invention.
Fig. 2 is the circuit theory diagrams of trigger signal generator in the embodiment of the invention.
Embodiment:
Below in conjunction with description of drawings the specific embodiment of the present invention.As shown in Figure 1: the same with prior art, be provided with the three phase mains major loop control unit that joins with three phase mains, be connected to the power supply signal transmitter with three phase mains, the output of power supply signal transmitter is joined with synchronous generator and phase signal generator respectively, the output of synchronous generator is joined by CPU and trigger signal generator, the output of phase signal generator directly and trigger signal generator join, the output of trigger signal generator and three phase mains major loop control unit join.
Described trigger signal generator is as shown in Figure 2: be provided with not gate (74HC14) U1-1, the U1-2 and the U1-3 that join with the phase signal generator output signal, be provided with join with the CPU output signal with door (74HC08) U2-1, U2-2, U2-3, U2-4, U2-5 and U2-6; The input of not gate U1-1 with join with door U2-1, the output of not gate U1-1 with join with door U2-2, the input of not gate U1-2 with join with door U2-3, the output of not gate U1-2 with join with door U2-4, the input of not gate U1-3 with join with door U2-5, the output of not gate U1-3 with join with door U2-6; With door U2-1 with the output of door U2-5 with or door (74HC32) U3-1 join, with door U2-2 with the output of door U2-6 with or a door U3-2 join, with door U2-2 with the output of door U2-3 with or a door U3-3 join, with door U2-3 with the output of door U2-4 with or a door U3-4 join, with door U2-4 with the output of door U2-5 with or a door U3-5 join, with door U2-3 with the output of door U2-6 with or a door U3-6 join.
Operation principle:
The power supply signal transmitter obtains three-phase 11V voltage by the transformer step-down, and each produces width 800 μ S burst pulses by synchronous generator (rectification, filtering and amplifier shaping) mutually, and be 10mS per two blanking times, to calculate the size of the angle of flow; Three-phase synchronous signal enters the CPU interrupt pin, begins when detecting the synchronizing signal rising edge regularly, and timing is to sending trigger impulse; Three-phase 11V voltage is by phase signal generator (rectification, amplifier) simultaneously, produce the square wave of 10mS at interval, because of AC signal phase signal when the positive half wave is a high level, AC signal phase signal when negative half-wave is a low level, to distinguish the positive and negative half-wave of AC signal.The phase signal that trigger impulse that trigger signal generator sends CPU and phase generator send makes up, as shown in Figure 2: Q_M12, Q_M23, Q_M31 are the CPU trigger impulse among the figure, P_M12, P_M23, P_M31 are phase signal, and M1+, M1-, M2+, M2-, M3+, M3-are respectively two inverse parallel controllable silicons that M1 phase in the three phase mains major loop control unit, M2 phase, M3 go up mutually.The lock-out pulse of M1M2 has come, CPU detects synchronous rising edge, CPU begins regularly, timing is to sending out trigger impulse Q_M12, be assigned on the corresponding controllable silicon by the P_M12 phase signal, if when P_M12 is high level, triggering signal is assigned to controllable silicon M1+, M2-and triggers again, when P_M12 was low level, triggering signal was assigned to controllable silicon M1-, M2+ and triggers.As long as synchronizing signal arrives, just remove to trigger corresponding controllable silicon, when inlet wire, need not consider the problem of phase sequence, reached the purpose that self adaptation triggers.
Claims (2)
1. self-adaptive trigger circuit of three-phase electric dust-removing power supply, be provided with the three phase mains major loop control unit that joins with three phase mains, it is characterized in that: be connected to the power supply signal transmitter with three phase mains, the output of power supply signal transmitter is joined with synchronous generator and phase signal generator respectively, the output of synchronous generator is joined by CPU and trigger signal generator, the output of phase signal generator directly and trigger signal generator join, the output of trigger signal generator and three phase mains major loop control unit join.
2. self-adaptive trigger circuit of three-phase electric dust-removing power supply according to claim 1, it is characterized in that: described trigger signal generator is provided with the not gate U1-1 that joins with the phase signal generator output signal, U1-2 and U1-3, be provided with join with the CPU output signal with door U2-1, U2-2, U2-3, U2-4, U2-5 and U2-6, the input of not gate U1-1 with join with door U2-1, the output of not gate U1-1 with join with door U2-2, the input of not gate U1-2 with join with door U2-3, the output of not gate U1-2 with join with door U2-4, the input of not gate U1-3 with join with door U2-5, the output of not gate U1-3 with join with door U2-6, with door U2-1 with the output of door U2-5 with or a door U3-1 join, with door U2-2 with the output of door U2-6 with or a door U3-2 join, with door U2-2 with the output of door U2-3 with or a door U3-3 join, with door U2-3 with the output of door U2-4 with or a door U3-4 join, with door U2-4 with the output of door U2-5 with or a door U3-5 join, with door U2-3 with the output of door U2-6 with or a door U3-6 join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010190654.7A CN101860183B (en) | 2010-06-03 | 2010-06-03 | Self-adaptive trigger circuit of three-phase electric dust-removing power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010190654.7A CN101860183B (en) | 2010-06-03 | 2010-06-03 | Self-adaptive trigger circuit of three-phase electric dust-removing power supply |
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| CN101860183A true CN101860183A (en) | 2010-10-13 |
| CN101860183B CN101860183B (en) | 2014-09-17 |
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| CN201010190654.7A Active CN101860183B (en) | 2010-06-03 | 2010-06-03 | Self-adaptive trigger circuit of three-phase electric dust-removing power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108199705A (en) * | 2017-07-10 | 2018-06-22 | 南海西部石油油田服务（深圳）有限公司 | A kind of novel sea electric dehydration voltage controller power source intelligent trigger circuit |
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| CN2626131Y (en) * | 2003-05-20 | 2004-07-14 | 上海双岭电子有限公司 | Integrated circuit for step motor |
| CN2731832Y (en) * | 2004-07-16 | 2005-10-05 | 华北电力大学 | Phase sequence self-adaptive phase controlled rectifier |
| CN1712172A (en) * | 2005-07-21 | 2005-12-28 | 上海交通大学 | Self-adaptation digital triggering method of silicon weld power supply phase sequence from three phase total bridge |
| US7092472B2 (en) * | 2003-09-16 | 2006-08-15 | Rambus Inc. | Data-level clock recovery |
| CN201690356U (en) * | 2010-06-03 | 2010-12-29 | 大连嘉禾工业控制技术有限公司 | Three-phase electric dust-removal power supply self-adaptation trigger circuit |
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2010
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Patent Citations (5)
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| CN2626131Y (en) * | 2003-05-20 | 2004-07-14 | 上海双岭电子有限公司 | Integrated circuit for step motor |
| US7092472B2 (en) * | 2003-09-16 | 2006-08-15 | Rambus Inc. | Data-level clock recovery |
| CN2731832Y (en) * | 2004-07-16 | 2005-10-05 | 华北电力大学 | Phase sequence self-adaptive phase controlled rectifier |
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| CN201690356U (en) * | 2010-06-03 | 2010-12-29 | 大连嘉禾工业控制技术有限公司 | Three-phase electric dust-removal power supply self-adaptation trigger circuit |
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| CN108199705A (en) * | 2017-07-10 | 2018-06-22 | 南海西部石油油田服务（深圳）有限公司 | A kind of novel sea electric dehydration voltage controller power source intelligent trigger circuit |
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| CN101860183B (en) | 2014-09-17 |
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Address after: 116023 Torch Road 41, hi tech Zone, Liaoning, Dalian Patentee after: DALIAN JIAHE INDUSTRIAL CONTROL TECHNOLOGY Co.,Ltd. Address before: 116023 Torch Road 41, hi tech Zone, Liaoning, Dalian Patentee before: Dalian Jiahe Industrial Control Technology Co.,Ltd. |
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Denomination of invention: Self-adaptive trigger circuit of three-phase electric dust-removing power supply Effective date of registration: 20200622 Granted publication date: 20140917 Pledgee: China Construction Bank Corporation Dalian high tech Industrial Park sub branch Pledgor: DALIAN JIAHE INDUSTRIAL CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2020210000035 |
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Date of cancellation: 20221114 Granted publication date: 20140917 Pledgee: China Construction Bank Corporation Dalian high tech Industrial Park sub branch Pledgor: DALIAN JIAHE INDUSTRIAL CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2020210000035 |
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