CN102357350A - Intermittent stirrer capable of automatic control of time duration - Google Patents

Intermittent stirrer capable of automatic control of time duration Download PDF

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Publication number
CN102357350A
CN102357350A CN2011101204816A CN201110120481A CN102357350A CN 102357350 A CN102357350 A CN 102357350A CN 2011101204816 A CN2011101204816 A CN 2011101204816A CN 201110120481 A CN201110120481 A CN 201110120481A CN 102357350 A CN102357350 A CN 102357350A
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China
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output
circuit
relay
time
frequency division
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CN2011101204816A
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Chinese (zh)
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CN102357350B (en
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宋晓辉
马春兰
殷明
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苏州科技学院
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Publication of CN102357350B publication Critical patent/CN102357350B/en

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Abstract

The invention relates to an intermittent stirrer capable of automatic control of time duration. A circuit mainly comprises an adjustable short time stirring circuit, a long time-delay circuit and a clear circuit. The stirrer automatically cycles in a manner of alternate stirring and stopping at preset time in advance, enables stirring time and stopping time to be accurately adjustable and can be used for controlling crystal size and improving purity in a chemical crystallization process.

Description

A kind of automatic control duration batch mixer

Technical field

The present invention relates to a kind of automatic control duration batch mixer, be specifically related to stir in short-term, stop interval-automatic control duration agitator when long.

Background technology

When chemist obtains the crystal grain of different sizes in order to obtain purer crystal or requirement, often after realizing crystallization, heavyly put a period of time and stir a period of time again and go round and begin again, general mixing time is shorter, and it is longer to stop the heavy time that puts.Said process all needs manually-operated, bothers very much, and in order to address this problem, the present invention adopts in short-term and stirs, and long circuit is processed automatic batch mixer when stopping interval-automatic control when long.

Summary of the invention

The purpose of this invention is to provide a kind of automatic control duration batch mixer.Stir in short-term for satisfying crystal, the loop cycle requirement that stops for a long time, the present invention adopts following technical scheme:

A kind of automatic control duration batch mixer is provided.This circuit is made up of the adjustable circuit, long delay circuit, clear circuit of stirring in short-term.

The described adjustable circuit that stirs in short-term is by vibration frequency division (IC1), and power initiation button (AN1, AN2), resistance (R1, R2, R3, RP), electric capacity (C1), band switch W1, transistor VT1, relay K 1 are formed.Wherein R2, RP, C1 form oscillation circuit.T=2.2 cycle of oscillation (R2+RP) C1, regulator potentiometer RP can change cycle of oscillation.After pressing start button (AN1, AN2), IC1 resets and starting oscillation and frequency division, and this moment, IC1 was output as low level, the rapid conducting of VT1, and relay K 1 adhesive, K1-1 and K1-2 connect with contact A and B respectively, motor (M) rotation stirring work.This moment, relay K 2 was not worked K2-1 contact point C1.Mixing time T1=1/2 * 2 nT (n is the sequence number of each output Q of IC1) can select the time that needs stirring through hand adjustment band switch W1.

Described adjustable long delay circuit is by vibration and frequency division (IC1), counting frequency division (IC2), transistor VT2, coupling resistance R6, band switch W2, relay K 2 compositions.After IC1 regularly finished, at any output of IC1 (Q8, Q9, Q10) output high level, through band switch W1, the one tunnel ended VT1 through R3, and K1 discharges, and K1-1 and K1-2 distinguish contact point A1, B1.The motor stall, stirring stops.K1-1 and A1 connected and made IC2 obtain operating voltage this moment.Another road of W1 connects the input of IC2, and IC1 output pulse makes the output of IC2 obtain 10 times (that is: dwell time T2=10T1) of IC1 output time through the frequency division once more of band switch W2 and IC2.Through hand adjustment band switch W2, can select different dwell times as required at the IC2 output.After long delay finished, a certain output of IC2 (Q5, Q6, Q7) output high level made the VT2 conducting, the K2 adhesive; K2-1 and contact C connect, and promptly IC1 obtains operating voltage, makes the VT1 conducting; The K1 adhesive, K1-1 and K1-2 reclose contact A and B again respectively, motor rotation stirring work; IC2 and VT2 lost power supply and quit work this moment, and relay K 2 is not worked K2-1 make contact C1 because of VT2 ends.Next cycle T=T1+T2 restarts, Automatic Cycle.

Described clear circuit is made up of AN1, C2, R7, R4, D4, C3 and R5, wherein AN1, C2 and R7, and C3 and R5 are respectively IC1, the zero clearing of IC2 power supply.D4 links to each other with band switch W2 with R4 serial connection back, IC2 is exported high level feed back to the IC1 clear terminal, makes its rapid zero clearing, guarantees accurate timing.

The present invention has simple in structure, and cost is low, and the advantage of accurate timing can be according to actual needs with IC1 and IC2 output various combination, and the load action and the dwell time that can obtain wanting be with a wide range of applications.

Description of drawings

Fig. 1 is the circuit diagram of a kind of automatic control duration batch mixer provided by the invention

The specific embodiment

Followingly specify embodiments of the invention according to Fig. 1:

As shown in Figure 1, the invention provides a kind of automatic control duration batch mixer.This circuit is made up of the adjustable circuit, long delay circuit, clear circuit of stirring in short-term.

Describedly adjustablely stir circuit in short-term 1 group wherein R2, RP, C1 form oscillation circuit by vibration frequency division (IC1), power initiation button (AN1, AN2), resistance (R1, R2, R3, RP), electric capacity (C1), band switch W1, transistor VT1 and relay K; T=2.2 cycle of oscillation (R2+RP) C1, regulator potentiometer RP can change cycle of oscillation.Present embodiment is selected resistance R 1 (1M Ω), R2 (1.5M Ω), RP (1M Ω potentiometer), C1 (1uF).After pressing start button (AN1, AN2), IC1 resets and starting oscillation and frequency division, and this moment, IC1 was output as low level, the rapid conducting of VT1, and relay K 1 adhesive, K1-1 and K1-2 connect with contact A and B respectively, motor (M) rotation stirring work.This moment, relay K 2 was not worked K2-1 contact point C1.What IC1 adopted is by oscillator and 14 grades of integrated package CD4060 that the binary string linage-counter is integrated in one.Under the effect of oscillator signal, its internal counter is started working.Its output of this integrated package Q4~Q14 constitutes 16~16384 divide ratios, according to its characteristic, and mixing time T1=1/2 * 2 nT (n is the sequence number of each output Q of IC1) can obtain Q8 (10 minutes) according to computation of Period formula and regulator potentiometer RP, Q9 (20 minutes), Q10 (30 minutes).Present embodiment is divided into 10 fens with mixing time, and 20 minutes, 30 fens third gear can be selected the time that needs stirring through hand adjustment band switch W1.

Described adjustable long delay circuit is by vibration frequency division (IC1), counting frequency division (IC2), transistor VT2, coupling resistance R6, band switch W2, and relay K 2 is formed.After IC1 regularly finishes, any output of IC1 (Q8, Q9, Q10) output high level, through band switch W1, the one tunnel ends VT1 through R3, K1 discharges, K1-1 and K1-2 distinguish contact point A1, B1.The motor stall, stirring stops.K1-1 and A1 connected and made IC2 obtain operating voltage this moment.Another road of W1 connects the input of IC2, and IC2 forms 10 grades of frequency dividers by decade counter CD4017.IC1 output pulse is through the frequency division once more of band switch W2 and IC2, and the output of IC2 obtains 10 times (that is: dwell time T2=10T1) of IC1 output time.This instance is selected three the output retainings of Q5, Q6, Q7 among the CD4017, through hand adjustment band switch W1 and W2, can select Q5 (500,1000,1500 minutes), Q6 (600,1200,1800 minutes), Q7 (700,1400,2100 minutes).(IC2 has Q0-Q10 output to select, and hand adjustment band switch W1 and W2 obtain the dwell time of various combination as required).After long delay finished, any output of IC2 (Q5, Q6, Q7) output high level made the VT2 conducting, the K2 adhesive, and K2-1 and contact C connect; Be that IC1 obtains operating voltage, make the VT1 conducting, the K1 adhesive; K1-1 and K1-2 reclose contact A and B again respectively, motor rotation stirring work, and this moment, IC2 and VT2 lost power supply; Quit work, relay K 2 is not worked K2-1 make contact C1 because of VT2 ends.Next cycle T=T1+T2 restarts, Automatic Cycle.

Described clear circuit is made up of AN1, C2, R7, R4, D4, C3 and R5, AN1 wherein, and C2 and R7, C3 and R5 are respectively IC1, the zero clearing of IC2 power supply.D4 links to each other with band switch W2 with R4 serial connection back, IC2 is exported high level feed back to the IC1 clear terminal, makes its rapid zero clearing, guarantees accurate timing.

The components and parts that adopt among Fig. 1:

IC1 selects CD4060 for use, 14 Bits Serial binary counting Z frequency division/oscillator digital integrated packages; IC2 selects CD4017 decimal system counting/pulsqe distributor digital integrated block for use; K1, the K2 model is the JRX-13F/12 DC relay; M is the direct current generator of 50w; The VT1 model is 2SA940; The VT2 model is 2SC2482; D4 is 1N4148; D1, D2 are 1N4001; C1 is 1uF/25V; C2 is 0.47uF/25V; C3 is 0.1uF/25V; The R1 resistance is 2M Ω; The R2 resistance is 1M Ω; RP adjustable potentiometer resistance is 1.5M Ω; R3, R4, R6 are 10K Ω; R5, R7 are 100K Ω; The 12V D.C. regulated power supply is selected universal components and parts for use.

Claims (3)

1. automatic control duration batch mixer is characterized in that: this circuit is made up of the adjustable circuit, long delay circuit, clear circuit of stirring in short-term.
The described adjustable circuit that stirs in short-term is made up of vibration frequency division (IC1), start button (AN1, AN2), resistance (R1, R2, R3, RP), electric capacity (C1), band switch W1, transistor VT1 and relay K 1.When press start button (AN1, AN2) after, IC1 resets and starting oscillation and frequency division, this moment, IC1 was output as low level, the rapid conducting of VT1, relay K 1 adhesive, K1-1 and K1-2 respectively with contact A and B connection, motor (M) rotates stirring work.This moment, relay K 2 was not worked, and K2-1 meets C1.
Described long delay circuit is made up of vibration frequency division (IC1), frequency division (IC2), transistor VT2, coupling resistance R6, band switch W2 and relay K 2.After IC1 regularly finished, at any output of IC1 (Q8, Q9, Q10) output high level, (W1) ended VT1 through band switch, and K1 discharges, and K1-1 and K1-2 be contact point A1 and B1 respectively, motor (M) stall.K1-1 and A1 make IC2 obtain operating voltage after connecting, and begin the branch frequency delay.The delay pulse of IC1 output through band switch W1, divides frequency delay through IC2 once more, and output obtains 10 times of IC1 output time.After long delay finished, any output of IC2 (Q5, Q6, Q7) output high level made the VT2 conducting through W2, the K2 adhesive; K2-1 and C connect, and IC1 obtains operating voltage, makes the VT1 conducting; The K1 adhesive, K1-1 and K1-2 connect A, B respectively once more, motor rotation stirring work; IC2 and VT2 lost power supply and quit work this moment, and while relay K 2 is not worked, and K2-1 connects C1.
Said clear circuit is made up of AN1, C2, R7, D4, R4, C3 and R5.Wherein AN1, C2 and R7, C3 and R5 are respectively IC1, the zero clearing of IC2 power supply, and D4 and R4 finish high level with the IC2 time-delay and deliver to the IC1 zero clearing.
2. a kind of according to claim 1 automatic control duration batch mixer, it is characterized in that: IC1 provides the vibration delay pulse to VT1 and IC2 in mixing time and dwell time, accomplishes to stir in short-term and stop task when growing.
3. a kind of according to claim 1 automatic control duration batch mixer is characterized in that: describedly adjustablely stir start button AN1 in short-term, AN2 is the interlock button, and stirring, frequency division are regularly carried out synchronously.
CN201110120481.6A 2011-05-11 2011-05-11 Intermittent stirrer capable of automatic control of time duration CN102357350B (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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CN102357350B CN102357350B (en) 2014-03-12

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464584A (en) * 1980-10-25 1984-08-07 Eurosil Gmbh Microprocessor with resetting circuit arrangement
CN2065378U (en) * 1989-10-12 1990-11-07 胡鸿龙 Integrated circuit time relay
CN2174137Y (en) * 1993-07-08 1994-08-17 浙江宜江电器有限公司 Soya-bean milk-beating circuit for domestic soya-bean milk machine
CN2358472Y (en) * 1998-03-18 2000-01-12 李荣峰 Timber
CN1306762A (en) * 2000-01-24 2001-08-08 王旭宁 Production process of delicious soy bean milk and automatic intelligent soy bean milk machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464584A (en) * 1980-10-25 1984-08-07 Eurosil Gmbh Microprocessor with resetting circuit arrangement
CN2065378U (en) * 1989-10-12 1990-11-07 胡鸿龙 Integrated circuit time relay
CN2174137Y (en) * 1993-07-08 1994-08-17 浙江宜江电器有限公司 Soya-bean milk-beating circuit for domestic soya-bean milk machine
CN2358472Y (en) * 1998-03-18 2000-01-12 李荣峰 Timber
CN1306762A (en) * 2000-01-24 2001-08-08 王旭宁 Production process of delicious soy bean milk and automatic intelligent soy bean milk machine

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Address after: 215011, Binhe Road, hi tech Zone, Jiangsu, Suzhou, 1701

Patentee after: SUZHOU University OF SCIENCE AND TECHNOLOGY

Address before: 215011, Binhe Road, hi tech Zone, Jiangsu, Suzhou, 1701

Patentee before: University OF SCIENCE AND TECHNOLOGY OF SUZHOU

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Address after: 214500 100 meters west of xiashigang sluice, Xieqiao Town, Jingjiang City, Taizhou City, Jiangsu Province

Patentee after: Jiangsu Huaguan rubber plastic products Co.,Ltd.

Address before: 215011, Binhe Road, hi tech Zone, Jiangsu, Suzhou, 1701

Patentee before: SUZHOU University OF SCIENCE AND TECHNOLOGY