CN106292759A - Velocity control device, automatic titration device and titration control method are dripped in a kind of titration - Google Patents
Velocity control device, automatic titration device and titration control method are dripped in a kind of titration Download PDFInfo
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- CN106292759A CN106292759A CN201610671026.8A CN201610671026A CN106292759A CN 106292759 A CN106292759 A CN 106292759A CN 201610671026 A CN201610671026 A CN 201610671026A CN 106292759 A CN106292759 A CN 106292759A
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- titration
- potentiometer
- processing unit
- central processing
- dripped
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
- G05D13/62—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
The invention discloses a kind of titration and drip velocity control device, automatic titration device and titration control method, titration is dripped velocity control device and is included: potentiometer, connect on described potentiometer and have a knob, the outfan of described potentiometer is also electrically connected with drive circuit, and the outfan of described drive circuit is electrically connected to central processing unit；Wherein, when rotating described knob, the electric potential signal of potentiometer described in synchronous change, described electric potential signal inputs to described central processing unit after described drive circuit, and it is fast that central processing unit controls dripping of burette according to electric potential signal.Velocity control device, automatic titration device and titration control method are dripped in the titration of the present invention, employing potentiometer coordinates with knob, on the one hand it is applicable to electronic type autotitrator, continuous speed adjustment can be realized simultaneously, itself simple in construction, strong operability, stable performance, with low cost, moreover it is possible to take into account the awareness cultivating of conventional titration operation.
Description
Technical field
The present invention relates to titration apparatus technical field, a kind of control dress for controlling titration apparatus rate of titration
Put, automatic titration device and titration control method.
Background technology
Titration appratus the most on the market is usually traditional burette and modern titration instrument.
Traditional burette is very big in teaching and actually used middle usage amount, has cultivated the potential operation meaning of practitioner
Know, but the operation of traditional burette is complicated, does not meets digitized industry process.
Modern titration instrument speed control unit mostly is mechanical key, and this kind of control speed stage is few, controls not
Conveniently, and have with the subconscious of operator and conflict.
Summary of the invention
It is an object of the invention to provide a kind of titration and drip velocity control device, automatic titration device and titration control method,
Which solving current conventional titration instrument operation complexity, mechanical governing controls the technical problem of inconvenience.
For reaching above-mentioned purpose, technical scheme proposed by the invention is:
Velocity control device is dripped in a kind of titration of the present invention, comprising: potentiometer, described potentiometer connects and has a knob,
The outfan of described potentiometer is also electrically connected with drive circuit, and the outfan of described drive circuit is electrically connected to central processing unit；
Wherein, when rotating described knob, the electric potential signal of potentiometer described in synchronous change, described electric potential signal is through described drive circuit
Rear input is to described central processing unit, and it is fast that central processing unit controls dripping of burette according to electric potential signal.
Wherein, described potentiometer is rotary band switch.
Wherein, if described drive circuit includes the main line signal circuit being electrically connected to potentiometer, described signal passes
Transmission of electricity road includes that one end is electrically connected to the potentiometer other end and is electrically connected to the wire of central processing unit, and on described wire and ground
Between be in series with for anti-interference capacitor, be parallel with diode with described electric capacity.
Wherein, the outfan of described central processing unit also electrically connects the rotating speed being connected to peristaltic pump to control peristaltic pump, institute
The rotating shaft stating peristaltic pump coordinates with a locating part, by periodic rotary extruding burette regulation rate of titration.
A kind of automatic titration device, it includes that as above velocity control device is dripped in titration described in any one.
One titrates control method, and it comprises the following steps:
The first step, electrically connects the input of the central processing unit of a titration appratus by potentiometer and drive circuit；
Second step, the knob that can control potentiometer change electric potential signal by is installed on potentiometer；
3rd step, is installed on controlling dropping fixed tube by the burette being used for titration and drips the peristaltic pump of speed, and this is compacted
Dynamic pump electrically connects with central processing unit, makes peristaltic pump be controlled by central processing unit；
4th step, rotary knob, the as required rotational angle of adjusting knob, thus dripping of adjusted in concert burette is fast.
Preferably, described potentiometer is rotary band switch.
Compared with prior art, velocity control device, automatic titration device and titration control method are dripped in the titration of the present invention, adopt
With coordinating of potentiometer and knob, on the one hand it is applicable to electronic type autotitrator, continuous speed adjustment can be realized simultaneously, its
Body structure is simple, strong operability, and stable performance is with low cost, moreover it is possible to take into account the awareness cultivating of conventional titration operation.
Accompanying drawing explanation
Fig. 1 is the high-level schematic functional block diagram of the titration droplet velocity control device of the present invention.
Fig. 2 is the drive circuit figure of the titration droplet velocity control device of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is given elaboration further.
Referring to accompanying drawing 1 to accompanying drawing 2, in the present embodiment, velocity control device is dripped in this titration, comprising: potentiometer 2, institute
Stating to connect on potentiometer 2 has a knob 1, the outfan of described potentiometer 2 to be also electrically connected with drive circuit 3, described drive circuit 3
Outfan be electrically connected to central processing unit 4；Wherein, when rotating described knob 1, the current potential of potentiometer 2 described in synchronous change
Signal, described electric potential signal inputs to described central processing unit 4 after described drive circuit 3, and central processing unit 4 is believed according to current potential
Number control burette drip speed.
In the present embodiment, described potentiometer 2 is rotary band switch.In other embodiments, described current potential
Device can be rotary switch, the adjusting means of the scalable electric potential signals such as rheostat.
Further, refer to accompanying drawing 2, if described drive circuit 3 includes that the main line signal being electrically connected to potentiometer 2 passes
Transmission of electricity road KEY12, KEY13 and KEY14, as a example by wherein KEY12, described signal circuit KEY12 includes that one end electrically connects
It is electrically connected to the wire of central processing unit 4 in potentiometer 2 other end, and is in series with between described wire and ground for anti-dry
The electric capacity C3 disturbed, is parallel with diode D3 with described electric capacity C3.Electric capacity C3 and diode D3 is collectively forming an anti-interference electricity of isolation
Road, thus ensure that the electric potential signal from potentiometer output is delivered to central processing unit 4 accurately.
More specifically, the outfan of described central processing unit 4 also electrically connects and is connected to peristaltic pump to control turning of peristaltic pump
Speed, the rotating shaft of described peristaltic pump coordinates with a locating part, by periodic rotary extruding burette regulation rate of titration.
The present embodiment also discloses a kind of automatic titration device, and it includes that as above speed control is dripped in titration described in any one
Device.
The present embodiment also discloses a kind of titration control method, and it comprises the following steps:
The first step, electrically connects the input of the central processing unit of a titration appratus by potentiometer and drive circuit；Composition
Obtained potentiometer signal by central processing unit, then made the process action command of correspondence by central processing unit.
Second step, the knob that can control potentiometer change electric potential signal by is installed on potentiometer；Pass through rotary knob
Can the electric potential signal of quick continuous print regulator potentiometer, the corresponding different output electric potential signal of different rotary angle, different potentials
The corresponding different rate of titration of signal, this electric potential signal is the important parameter that central processing unit controls rate of titration.
3rd step, is installed on controlling dropping fixed tube by the burette being used for titration and drips the peristaltic pump of speed, and this is compacted
Dynamic pump electrically connects with central processing unit, makes peristaltic pump be controlled by central processing unit；The peristaltic velocity of this peristaltic pump is processed by central authorities
Device controls.
4th step, rotary knob, the as required rotational angle of adjusting knob, thus dripping of adjusted in concert burette is fast.
Titrate needs according to reality, by direct manual rotation knob, adjust the signal of potentiometer, central processing unit more electric potential signal
Adjust the signal of the peristaltic pump that output controls, thus adjust rate of titration.
Preferably, described potentiometer is rotary band switch.
Foregoing, only presently preferred embodiments of the present invention, be not intended to limit embodiment of the present invention, and this area is general
Logical technical staff, according to the central scope of the present invention and spirit, can carry out corresponding flexible or amendment very easily, therefore this
The protection domain of invention should be as the criterion with the protection domain required by claims.
Claims (7)
1. velocity control device is dripped in a titration, it is characterised in that including: potentiometer, and described potentiometer connects a knob, institute
The outfan stating potentiometer is also electrically connected with drive circuit, and the outfan of described drive circuit is electrically connected to central processing unit；Its
In, when rotating described knob, the electric potential signal of potentiometer described in synchronous change, described electric potential signal is after described drive circuit
Input is to described central processing unit, and it is fast that central processing unit controls dripping of burette according to electric potential signal.
2. velocity control device is dripped in titration as claimed in claim 1, it is characterised in that described potentiometer is that rotary wave band is opened
Close.
3. velocity control device is dripped in titration as claimed in claim 1, it is characterised in that described drive circuit includes being electrically connected to
If the main line signal circuit of potentiometer, described signal circuit includes that one end is electrically connected to the electrical connection of the potentiometer other end
In the wire of central processing unit, and it is in series with for anti-interference capacitor between described wire and ground, with described electric capacity also
It is associated with diode.
4. velocity control device is dripped in titration as claimed in claim 1, it is characterised in that the outfan of described central processing unit is also
Being connected to the peristaltic pump rotating speed with control peristaltic pump, the rotating shaft of described peristaltic pump coordinates with a locating part, by periodically
Rotate extruding burette regulation rate of titration.
5. an automatic titration device, it is characterised in that include that speed control is dripped in the titration as described in claims 1 to 3 any one
Device processed.
6. a titration control method, it is characterised in that comprise the following steps:
The first step, electrically connects the input of the central processing unit of a titration appratus by potentiometer and drive circuit；
Second step, the knob that can control potentiometer change electric potential signal by is installed on potentiometer；
3rd step, is installed on controlling dropping fixed tube by the burette being used for titration and drips the peristaltic pump of speed, and by this peristaltic pump
Electrically connect with central processing unit, make peristaltic pump be controlled by central processing unit；
4th step, rotary knob, the as required rotational angle of adjusting knob, thus dripping of adjusted in concert burette is fast.
Titrate control method the most as claimed in claim 6, it is characterised in that described potentiometer is rotary band switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671026.8A CN106292759A (en) | 2016-08-15 | 2016-08-15 | Velocity control device, automatic titration device and titration control method are dripped in a kind of titration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671026.8A CN106292759A (en) | 2016-08-15 | 2016-08-15 | Velocity control device, automatic titration device and titration control method are dripped in a kind of titration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106292759A true CN106292759A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610671026.8A Pending CN106292759A (en) | 2016-08-15 | 2016-08-15 | Velocity control device, automatic titration device and titration control method are dripped in a kind of titration |
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| CN (1) | CN106292759A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258989Y (en) * | 1996-01-10 | 1997-08-06 | 马克文 | Electronic titration apparatus |
| CN101082555A (en) * | 2006-06-02 | 2007-12-05 | 上海市向明中学 | Photoelectric automatic titration device |
| CN101738427A (en) * | 2008-11-25 | 2010-06-16 | 上海精密科学仪器有限公司 | On-line automatic potentiometric titration |
| CN201644112U (en) * | 2010-05-10 | 2010-11-24 | 刘谦益 | Electronic titrator device |
| CN102507856A (en) * | 2011-10-28 | 2012-06-20 | 方原民 | Peristaltic pump type weighing titrator and titration method thereof |
| CN203720158U (en) * | 2013-12-10 | 2014-07-16 | 清时捷科技（香港）有限公司 | Titration apparatus |
| CN105510380A (en) * | 2015-12-02 | 2016-04-20 | 上海仪电科学仪器股份有限公司 | Temperature titration device |
-
2016
- 2016-08-15 CN CN201610671026.8A patent/CN106292759A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258989Y (en) * | 1996-01-10 | 1997-08-06 | 马克文 | Electronic titration apparatus |
| CN101082555A (en) * | 2006-06-02 | 2007-12-05 | 上海市向明中学 | Photoelectric automatic titration device |
| CN101738427A (en) * | 2008-11-25 | 2010-06-16 | 上海精密科学仪器有限公司 | On-line automatic potentiometric titration |
| CN201644112U (en) * | 2010-05-10 | 2010-11-24 | 刘谦益 | Electronic titrator device |
| CN102507856A (en) * | 2011-10-28 | 2012-06-20 | 方原民 | Peristaltic pump type weighing titrator and titration method thereof |
| CN203720158U (en) * | 2013-12-10 | 2014-07-16 | 清时捷科技（香港）有限公司 | Titration apparatus |
| CN105510380A (en) * | 2015-12-02 | 2016-04-20 | 上海仪电科学仪器股份有限公司 | Temperature titration device |
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Application publication date: 20170104 |