CN102357350B - 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
CN102357350B
CN102357350B CN201110120481.6A CN201110120481A CN102357350B CN 102357350 B CN102357350 B CN 102357350B CN 201110120481 A CN201110120481 A CN 201110120481A CN 102357350 B CN102357350 B CN 102357350B
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China
Prior art keywords
frequency division
contact
cutter
resistance
relay
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CN201110120481.6A
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Chinese (zh)
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CN102357350A (en
Inventor
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 intermittent stirrer capable of automatic control of time duration

Technical field

The present invention relates to a kind of intermittent stirrer capable of automatic control of time duration, be specifically related to stir in short-term, when long, stop interval-automatic and control duration stirrer.

Background technology

When chemist obtains the crystal grain of different sizes in order to obtain purer crystal or requirement, often, after realizing crystallization, sinking a period of time stirs a period of time again and goes round and begins again, and general mixing time is shorter, and the time that stops sinking is longer.Said process all needs manual operation, bothers very much, and in order to address this problem, the present invention adopts in short-term and stirs, and while stopping interval-automatic control when long, long circuit is made automatic intermittent stirrer.

Summary of the invention

The object of this invention is to provide a kind of intermittent stirrer capable of automatic control of time duration.For meeting crystal, stir in short-term, the loop cycle requirement stopping for a long time, the present invention by the following technical solutions:

A kind of intermittent stirrer capable of automatic control of time duration is provided.This circuit is comprised of the adjustable circuit, long delay circuit, clear circuit of stirring in short-term.

The described adjustable electric route flapping frequency division (IC1) that stirs in short-term, power initiation button (AN1, AN2), resistance (R1, R2, R3, RP), electric capacity (C1), waver W1, transistor VT1, relay K 1 form.Wherein R2, RP, C1 form oscillation circuit.T=2.2 oscillation period (R2+RP) C1, regulator potentiometer RP can change oscillation period.After pressing start button (AN1, AN2), IC1 resets and starting oscillation and frequency division, and now IC1 is 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, the work of motor (M) Stirring.Now relay K 2 is not worked, K2-1 contact point C1.Mixing time T1=1/2 * 2 nt (n is the sequence number of each output terminal Q of IC1), can select by hand adjustment waver W1 the time that needs stirring.

Described adjustable long delay electricity route flapping and frequency division (IC1), counting frequency division (IC2), transistor VT2, repeating resistance R6, waver W2, relay K 2 form.After IC1 regularly finishes, at any output terminal of IC1 (Q8, Q9, Q10) output high level, by waver W1, mono-tunnel, through R3, VT1 is ended, K1 discharges, and K1-1 and K1-2 be contact point A1, B1 respectively.Motor stalling, stirring stops.Now K1-1 and A1 connect and make IC2 obtain operating voltage.Another road of W1 connects the input end of IC2, and IC1 output pulse makes the output terminal of IC2 obtain 10 times (that is: stand-by time T2=10T1) of IC1 output time through the frequency division again of waver W2 and IC2.By hand adjustment waver W2, at IC2 output terminal, can select as required different stand-by times.After long delay finishes, the a certain output terminal of IC2 (Q5, Q6, Q7) output high level makes VT2 conducting, K2 adhesive, and K2-1 and contact C connect, be that IC1 obtains operating voltage, make VT1 conducting, K1 adhesive, K1-1 and K1-2 reclose respectively again contact A and B, the work of motor Stirring, now IC2 and VT2 lose power supply and quit work, and relay K 2 is not worked because of VT2 cut-off, K2-1 make contact C1.Next cycle T=T1+T2 restarts, automatic cycle.

Described clear circuit is comprised 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 is connected with waver W2 with after R4 serial connection, IC2 is exported to high level and feed back to 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 by IC1 and IC2 output terminal various combination, and load action and the stand-by time that can obtain wanting, be with a wide range of applications.

Accompanying drawing explanation

Fig. 1 is the circuit diagram of a kind of intermittent stirrer capable of automatic control of time duration provided by the invention

Embodiment

According to Fig. 1, illustrate embodiments of the invention below:

As shown in Figure 1, the invention provides a kind of intermittent stirrer capable of automatic control of time duration.This circuit is comprised of the adjustable circuit, long delay circuit, clear circuit of stirring in short-term.

Described adjustablely stir in short-term 1 group of electric route flapping frequency division (IC1), power initiation button (AN1, AN2), resistance (R1, R2, R3, RP), electric capacity (C1), waver W1, transistor VT1 and relay K wherein R2, RP, C1 form oscillation circuit, T=2.2 oscillation period (R2+RP) C1, regulator potentiometer RP can change oscillation period.The 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 now IC1 is 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, the work of motor (M) Stirring.Now relay K 2 is not worked, K2-1 contact point C1.What IC1 adopted is by oscillator and 14 grades of integrated package CD4060 that binary string linage-counter is integrated in one.Under the effect of oscillator signal, its internal counter is started working.Its output terminal of this integrated package Q4~Q14 forms 16~16384 divide ratios, according to its characteristic, mixing time T1=1/2 * 2 nt (n is the sequence number of each output terminal Q of IC1), can obtain Q8 (10 minutes) according to computation of Period formula and regulator potentiometer RP, Q9 (20 minutes), Q10 (30 minutes).The present embodiment is divided into 10 minutes by mixing time, and 20 minutes, 30 minutes third gear, can select by hand adjustment waver W1 the time that needs stirring.

Described adjustable long delay electricity route flapping frequency division (IC1), counting frequency division (IC2), transistor VT2, repeating resistance R6, waver W2, relay K 2 forms.After IC1 regularly finishes, at any output terminal of IC1 (Q8, Q9, Q10) output high level, by waver W1, mono-tunnel, through R3, VT1 is ended, K1 discharges, and K1-1 and K1-2 be contact point A1, B1 respectively.Motor stalling, stirring stops.Now K1-1 and A1 connect and make IC2 obtain operating voltage.Another road of W1 connects the input end of IC2, and IC2 forms 10 grades of frequency dividers by decade counter CD4017.IC1 output pulse is through the frequency division again of waver W2 and IC2, and the output terminal of IC2 obtains 10 times (that is: stand-by time T2=10T1) of IC1 output time.This example is selected tri-the output gears of Q5, Q6, Q7 in CD4017, by hand adjustment waver 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 terminal to select, and hand adjustment waver W1 and W2 obtain the stand-by time of various combination as required).After long delay finishes, any output terminal of IC2 (Q5, Q6, Q7) output high level makes VT2 conducting, K2 adhesive, K2-1 and contact C connect, be that IC1 obtains operating voltage, make VT1 conducting, K1 adhesive, K1-1 and K1-2 reclose respectively again contact A and B, the work of motor Stirring, now IC2 and VT2 lose power supply, quit work, relay K 2 is not worked because VT2 ends, K2-1 make contact C1.Next cycle T=T1+T2 restarts, automatic cycle.

Described clear circuit is comprised 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 is connected with waver W2 with after R4 serial connection, IC2 is exported to high level and feed back to IC1 clear terminal, makes its rapid zero clearing, guarantees accurate timing.

The components and parts that adopt in Fig. 1:

IC1 selects CD4060,14 bit serial binary counting Z frequency division/oscillator digital integrated packages; IC2 selects CD4017 decimal system counting/pulsqe distributor digital integrated block; K1, K2 model is JRX-13F/12 DC relay; M is the direct current generator of 50w; VT1 model is 2SA940; 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; R1 resistance is 2M Ω; R2 resistance is 1M Ω; RP adjustable potentiometer resistance is 1.5M Ω; R3, R4, R6 are 10K Ω; R5, R7 are 100K Ω; 12V D.C. regulated power supply is selected universal components and parts.

Claims (3)

1. an intermittent stirrer capable of automatic control of time duration, is characterized in that: the circuit of this stirrer is comprised of the adjustable circuit, long delay circuit, clear circuit of stirring in short-term;
Described adjustable electric route flapping frequency division (IC1), start button AN1, start button AN2, resistance R 1, resistance R 2, resistance R 3, resistance R P, capacitor C 1, waver W1, transistor VT1 and the relay K 1 of stirring in short-term forms; Wherein relay K 1 comprises cutter K1-1, cutter K1-2 and corresponding contact A, contact A 1, contact B, contact B1; After pressing start button AN1, start button AN2, vibration frequency division (IC1) resets and starting oscillation and frequency division, frequency division (IC1) output low level of now vibrating, the rapid conducting of transistor VT1, relay K 1 adhesive, its corresponding cutter K1-1 and cutter K1-2 connect with contact A and contact B respectively, the work of motor (M) Stirring;
Described long delay electricity route flapping frequency division (IC1), the second frequency division (IC2), transistor VT2, repeating resistance R6, waver W2 and relay K 2 form; Wherein relay K 2 comprises cutter K2-1 and corresponding contact C, contact C1; After vibration frequency division (IC1) regularly finishes, at vibration frequency division (IC1) output terminal Q8 or output terminal Q9 or output terminal Q10 output high level, by waver W1, transistor VT1 is ended, relay K 1 discharges, cutter K1-1 and cutter K1-2 be contact point A1 and contact B1 respectively, motor (M) stall; Cutter K1-1 and contact A 1 make the second frequency division (IC2) obtain operating voltage after connecting, and start a minute frequency delay; After long delay finishes, the output terminal Q5 of the second frequency division (IC2) or output terminal Q6 or output terminal Q7 output high level make transistor VT2 conducting through waver W2, relay K 2 adhesives, cutter K2-1 and contact C connect, vibration frequency division (IC1) obtains operating voltage, make transistor VT1 conducting, relay K 1 adhesive, cutter K1-1 and cutter K1-2 difference be make contact A, contact B again, the work of motor (M) Stirring, now the second frequency division (IC2) and transistor VT2 lose power supply and quit work, and relay K 2 is not worked simultaneously, cutter K2-1 make contact C1;
Described clear circuit is comprised of start button AN1, capacitor C 2, capacitor C 3, resistance R 7, resistance R 4, resistance R 5 and diode (D4); Wherein start button AN1, capacitor C 2 and resistance R 7 are the zero clearing of vibration frequency division (IC1) power supply, and capacitor C 3 and resistance R 5 are the zero clearing of the second frequency division (IC2) power supply; High level after diode (D4) and resistance R 4 finish the second frequency division (IC2) time delay is delivered to the zero clearing of vibration frequency division (IC1).
2. a kind of intermittent stirrer capable of automatic control of time duration as claimed in claim 1, it is characterized in that: vibration frequency division (IC1) provides oscillation delay pulse to transistor VT1 and the second frequency division (IC2) in mixing time and stand-by time, complete and when stirring in short-term and growing, stop task.
3. a kind of intermittent stirrer capable of automatic control of time duration as claimed in claim 1, is characterized in that: described adjustablely stir in short-term start button AN1, start button AN2 is interlock button, make to stir, frequency division Timing Synchronization carries out.
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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CN102357350B true 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

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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