CN102228815B - Positive and negative rotation mixer capable of automatically controlling time length interval - Google Patents
Positive and negative rotation mixer capable of automatically controlling time length interval Download PDFInfo
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- CN102228815B CN102228815B CN201110120450.0A CN201110120450A CN102228815B CN 102228815 B CN102228815 B CN 102228815B CN 201110120450 A CN201110120450 A CN 201110120450A CN 102228815 B CN102228815 B CN 102228815B
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Abstract
The invention relates to a positive and negative rotation mixer capable of automatically controlling time length interval. A circuit comprises an adjustable short-time mixing circuit, a long time-delay circuit, a positive and negative rotation circuit of a motor and a clear circuit. A stirring and stopping way is used to automatically circulate in accordance with a preset time, and the motor is used to mix crystals in a positive or negative rotation mode in a specified time in the stirring time, which is used for controlling crystal size and improving purity in a chemicrystallization process.
Description
Technical field
The present invention relates to a kind of automatic control time length interval rotating stirrer, be specifically related to a kind of rotating in short-term and stir, when long, stop automatically controlling time length interval rotating 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, because general mixing time is shorter, the time that stops sinking is longer, in order to expand friction between crystal, clash to reach and turn faster brilliant process, the present invention designs a kind ofly to be had intermittent stirring function and in the mixing time of setting, allows motor forward and the reverse stirrer of reciprocating rotary.
Summary of the invention
The object of this invention is to provide a kind of automatic control time length interval rotating stirrer.For meeting crystal positive and negative stirring in short-term, the loop cycle requirement stopping for a long time, the present invention by the following technical solutions:
A kind of automatic control time length interval rotating stirrer is provided.This circuit is comprised of adjustable circuit, long delay circuit, motor positive/reverse rotation circuit and the clear circuit of stirring in short-term.
The described adjustable electric route flapping frequency division (IC1) that stirs in short-term, start button (AN1, AN2), resistance (R1, R2, RP, R3), electric capacity (C1), waver W1, transistor VT1 and 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 A and B respectively, and IC3 and VT3 obtain power supply by B and start working.IC3 produces oscillating impulse and makes VT3 conducting and cut-off, thereby drive motor (M) rotates and reverse, agitation crystal solution.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 frequency division (IC1), counting frequency division (IC2), transistor VT2, repeating resistance R6, waver W2 and relay K 2 form.After IC1 regularly finishes, at any output terminal of IC1 (Q8, Q9, Q10) output high level, by waver W1, one tunnel makes VT1 cut-off through R3, and K1 discharges, and K1-1 and K1-2 be contact point A1, B1 respectively, IC3 and VT3 quit work, motor (M) stall, and 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, 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, and IC3 and VT3 obtain operating voltage by contact B and start working.IC3 produces oscillating impulse and makes VT3 conducting and cut-off, thereby drive motor (M) rotates and reverse, agitation crystal solution.Now IC2 and VT2 quit work, K2-1 make contact C1.Next cycle T=T1+T2 restarts, automatic cycle.
Described motor positive/reverse rotation circuit is comprised of multi-harmonic-oscillations IC3, transistor VT3, resistance (R8, R9, D5, R10), electric capacity (C4, C5), relay K 3 and motor (M).Wherein IC3, R8, R9, D5, C4 form multivibrator.T (filling)=0.693 * R8 * C4, T (putting)=0.693 * R9 * C4.When IC3 switches on power moment, C4 both end voltage can not be suddenlyd change, 2 pin of IC3 and 6 pin voltages are lower than 1/3 supply voltage, now 3 pin are high level, VT3 conducting, relay K 3 adhesives, K3-1 and K3-2 be make contact E and F respectively, now electric current, by K3-1, contact E, motor (M), K3-2, contact F to ground, is rotated in the forward motor (M).Along with power supply is through R8, D5 charges to C4,2 pin of IC3 and 6 pin voltages constantly rise, when C4 two ends charging voltage rises to 2/3 power supply, and circuit upset in IC3, its 3 pin output low level, VT3 cut-off, K3 discharges, and K3-1 and K3-2 be make contact E1 and F1 respectively, now electric current, by K3-1, contact E1, motor (M), K3-2, contact F1 to ground, makes motor reverse rotation.C4 circuit discharging in 7 pin of R9 and IC3, constantly declines 2 pin of IC3 and 6 pin voltages simultaneously, when voltage is brought down below 1/3 supply voltage, and interior circuit upset, 3 pin output high level.At timing agitation, in the time, 3 pin of IC3 are constantly exported low and high level and are made the continuous conducting of VT3 and cut-off, control K3 adhesive and release, realize motor positive and negative rotation.
Described clear circuit is comprised of AN1, C2, R7, R4, D4, C3 and R5, and wherein AN1, C2 and R7 are the zero clearing of IC1 power supply, and C3 and R5 are 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, the advantage of accurate timing, can be according to actual needs by IC1 and IC2 output terminal various combination, load action and the stand-by time that can obtain wanting, and allow load in the working time and change drive manner, be with a wide range of applications.
Accompanying drawing explanation
Fig. 1 is a kind of automatic control time length interval rotating stirrer circuit diagram 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 automatic control time length interval rotating stirrer.This circuit is comprised of adjustable circuit, long delay circuit, motor positive/reverse rotation circuit and the clear circuit of stirring in short-term.
Described adjustable electric route flapping frequency division (IC1), start button (AN1, AN2), resistance (R1, R2, R3, RP), electric capacity (C1), waver W1, transistor VT1 and the relay K 1 of stirring in short-term forms.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, relay K 1 adhesive, K1-1 and K1-2 connect with contact A and B respectively, and IC3 and VT3 obtain power supply by contact B and start working.IC3 produces oscillating impulse and makes VT3 conducting and cut-off, thereby drive motor (M) rotates and reverse, agitation crystal solution.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, one tunnel makes VT1 cut-off through R3, and K1 discharges, and K1-1 and K1-2 be contact point A1, B1 respectively, IC3 and VT3 quit work, motor (M) stall, and 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, and IC3 and VT3 obtain operating voltage by contact B and start working.IC3 produces oscillating impulse and makes VT3 conducting and cut-off, thereby drive motor (M) rotates and reverse, agitation crystal solution.Now IC2 and VT2 quit work, K2-1 make contact C1.Next cycle T=T1+T2 restarts, automatic cycle.
Described motor positive/reverse rotation circuit is comprised of multi-harmonic-oscillations IC3, transistor VT3, resistance (R8, R9, D5, R10), electric capacity (C4, C5), relay K 3 and motor (M).In this example, IC3 adopts NE555 integrated package.NE555 and R8, R9, D5, C4 form multivibrator.According to its characteristic: T (filling)=0.693 * R8 * C4, T (putting)=0.693 * R9 * C4.When IC3 switches on power moment, C4 both end voltage can not be suddenlyd change, 2 pin of IC3 and 6 pin voltages are lower than 1/3 supply voltage, now 3 pin are high level, VT3 conducting, relay K 3 adhesives, K3-1 and K3-2 be make contact E and F respectively, now electric current, by K3-1, contact E, motor (M), K3-2, contact F to ground, is rotated in the forward motor (M).Along with power supply is through R8, D5 charges to C4, now 2 pin of IC3 and 6 pin voltages constantly rise, when C4 two ends charging voltage rises to 2/3 power supply, and circuit upset in IC3, its 3 pin output low level, VT3 cut-off, K3 discharges, and K3-1 and K3-2 be make contact E1 and F1 respectively, now electric current, by K3-1, contact E1, motor (M), K3-2, contact F1 to ground, makes motor reverse rotation.C4 circuit discharging in 7 pin of R9 and IC3, constantly declines 2 pin of IC3 and 6 pin voltages subsequently, when voltage is brought down below 1/3 supply voltage, and interior circuit upset, 3 pin output high level.At timing agitation, in the time, 3 pin of IC3 are constantly exported low and high level and are made the continuous conducting of VT3 and cut-off, control K3 adhesive and release, realize motor positive and negative rotation.In the present embodiment, resistance value R8=R9=10M Ω, C4 value 10uF, can make motor positive and inverse mixing time be similar to identical (approximately 1 minute) like this, also meets be less than this oscillation period simultaneously in timing agitation cycle.
Described clear circuit is comprised of AN1, C2, R7, R4, D4, C3 and R5, and wherein AN1, C2 and R7 are the zero clearing of IC1 power supply, and C3 and R5 are 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; IC3 selects NE555 integrated package; K1, K2 model are JRX-13F/12 DC relay; M is the direct current generator of 50W; VT1 model is 2SA940; VT2, VT3 model are 2SC2482; D1, D2, D3 are 1N4001; D4, D5 are 1N4148; C1 is 1uF/25V; C2 is 0.47uF/25V; C3 is 0.1uF/25V; C4 is 10uF/25V; C5 is 0.01uF/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; R8, R9 are 10M Ω; 12V D.C. regulated power supply is selected universal components and parts.
Claims (3)
1. automatically control a time length interval rotating stirrer, it is characterized in that: the circuit of this stirrer is comprised of adjustable positive and negative rotation circuit and the clear circuit that stirs in short-term circuit, long delay circuit, motor;
Described adjustable electric route flapping frequency division (IC1), start button (AN2), resistance (R1, R2, RP, R3), electric capacity (C1), waver (W1), transistor (VT1) and the relay (K1) of stirring in short-term forms; After pressing start button (AN2), vibration frequency division (IC1) resets and starting oscillation frequency division, frequency division (IC1) output low level of now vibrating, transistor (VT1) conducting, relay (K1) adhesive, its corresponding cutter of relay (K1) (K1-1, K1-2) is connected with its corresponding contacts (A) contact (B) respectively, and multi-harmonic-oscillations (IC3) and transistor (VT3) obtain operating voltage by contact (B) and start working; Multi-harmonic-oscillations (IC3) produces oscillating impulse and makes transistor (VT3) conducting and cut-off, thereby drive motor (M) rotates and reverse, agitation crystal solution; Now relay (K2) is not worked, its corresponding cutter (K2-1) contact point (C1);
Described long delay electricity route flapping frequency division (IC1), frequency division (IC2), transistor (VT2), repeating resistance (R6), waver (W2), relay (K2) form; After vibration frequency division (IC1) stirring regularly finishes, at any output terminal (Q8, Q9, the Q10) output of vibration frequency division (IC1) high level, by waver (W1), make transistor (VT1) cut-off, relay (K1) discharges, corresponding cutter (K1-1) and (K1-2) difference contact point (A1) and contact (B1), now multi-harmonic-oscillations (IC3) and transistor (VT3) quit work, motor (M) stall; Now cutter (K1-1) is connected with contact (A1), makes frequency division (IC2) obtain operating voltage, starts a minute frequency delay; The delay pulse of vibration frequency division (IC1) output, by waver (W1), divides frequency delay again through frequency division (IC2), output terminal obtain vibrating 10 times of frequency division (IC1) output time; after long delay finishes, frequency division (IC2) is output terminal (Q5 arbitrarily, Q6, Q7) output high level makes transistor (VT2) conducting through waver (W2), relay (K2) adhesive, its corresponding cutter (K2-1) is connected with contact (C), make transistor (VT1) conducting, relay (K1) adhesive, its corresponding cutter (K1-1, K1-2) distinguish make contact (A) and contact (B) again, make transistor (VT1), multi-harmonic-oscillations (IC3), transistor (VT3) obtains power supply and starts working, drive motor (M) rotates and reverse, now frequency division (IC2) and transistor (VT2) quit work,
The positive and negative rotation circuit of described motor is comprised of multi-harmonic-oscillations (IC3), transistor (VT3), resistance (R8, R9, D5, R10), electric capacity (C4, C5), relay (K3) and motor (M); Stirring in timing in short-term, transistor (VT1) conducting, relay (K1) adhesive, corresponding cutter (K1-1), (K1-2) connect with contact (A) and contact (B) respectively, multi-harmonic-oscillations (IC3), transistor (VT3) obtain operating voltage, multi-harmonic-oscillations (IC3) output continuous oscillation pulse; When an oscillating impulse arrives, transistor (VT3) conducting, relay (K3) adhesive, corresponding cutter (K3-1) and (K3-2) difference make contact (E) and contact (F), now electric current to ground, is rotated in the forward motor (M) with contact (F), motor (M), cutter (K3-2) by cutter (K3-1), contact (E); After this pulse disappears, transistor (VT3) cut-off, relay (K3) discharges, its cutter (K3-1) and (K3-2) difference make contact (E1) and contact (F1), now electric current, by cutter (K3-1), contact (E1) and contact (F1), motor (M), cutter (K3-2) to ground, makes motor (M) reverse rotation; Along with constantly conducting and cut-off of transistor (VT3), pilot relay (K3) adhesive and release, realize motor (M) positive and negative rotation;
Described clear circuit is comprised of start button (AN1), electric capacity (C2 and C3), resistance (R7, R4, R5) and diode (D4), wherein start button (AN1), electric capacity (C2) and resistance (R7) are the zero clearing of vibration frequency division (IC1) power supply, and electric capacity (C3) and resistance (R5) are the zero clearings of frequency division (IC2) power supply; And diode (D4) is connected with waver (W2) with after resistance (R4) serial connection, frequency division (IC2) output high level is fed back to vibration frequency division (IC1) clear terminal, make its rapid zero clearing, guarantee vibration frequency division (IC1) accurate timing.
2. as one kind of claim 1 is controlled time length interval rotating stirrer automatically, it is characterized in that: vibration frequency division (IC1) provides oscillation delay pulse to transistor (VT1) and 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 automatic control time length interval rotating stirrer as claimed in claim 1, is characterized in that: described adjustablely stir in short-term start button (AN1) and (AN2) be interlock button, make to stir, frequency division synchronously carries out.
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| CN201110120450.0A CN102228815B (en) | 2011-05-11 | 2011-05-11 | Positive and negative rotation mixer capable of automatically controlling time length interval |
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| CN102228815B true CN102228815B (en) | 2014-03-12 |
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| CN103687233A (en) * | 2013-12-12 | 2014-03-26 | 上思县东岽电子科技有限责任公司 | Pulse-width-adjustment automatic dimming LED illuminating lamp driven by constant-current power supply |
| CN104162181B (en) * | 2014-08-05 | 2017-02-08 | 衢州昀睿工业设计有限公司 | Circuit for refrigerator deodorizing preserving device |
| CN110350817B (en) * | 2019-05-27 | 2020-08-14 | 广州供电局有限公司 | Pulse generating circuit |
| CN114053976B (en) * | 2020-08-04 | 2023-06-30 | 欧佩德伺服电机节能系统有限公司 | Working steps of reaction kettle for manufacturing glyphosate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113570U (en) * | 1992-02-27 | 1992-08-19 | 徐新芳 | Multifunctional governor for electric fan |
| 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 |
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2011
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113570U (en) * | 1992-02-27 | 1992-08-19 | 徐新芳 | Multifunctional governor for electric fan |
| 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 |
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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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Effective date of registration: 20201215 Address after: No.99, Dajue village committee, Xieqiao Town, Jingjiang City, Taizhou City, Jiangsu Province, 214500 Patentee after: Jiangsu JiuHeng lifting equipment Co., Ltd Address before: 215011, Binhe Road, hi tech Zone, Jiangsu, Suzhou, 1701 Patentee before: SUZHOU University OF SCIENCE AND TECHNOLOGY |