CN109601646A - A kind of tea-processing equipment control method based on quadratic function - Google Patents
A kind of tea-processing equipment control method based on quadratic function Download PDFInfo
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- CN109601646A CN109601646A CN201811332005.9A CN201811332005A CN109601646A CN 109601646 A CN109601646 A CN 109601646A CN 201811332005 A CN201811332005 A CN 201811332005A CN 109601646 A CN109601646 A CN 109601646A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The tea-processing equipment control method based on quadratic function that the invention discloses a kind of, the tea-processing equipment include rack, height detecting device, motor, first shaft coupling, torque sensor, second shaft coupling, transmission shaft, frying pan, heating wire, fry plate, velocity sensor and temperature sensor；Tea-processing equipment of the present invention depends on the specific value that torque sensor obtains to the control of motor and heating wire, prevent the problem of worker leads to tea frying unstable quality with feeling operation, the quality for improving tea-processing, it is of far-reaching significance to the raising for improving tea processing quality；Control different motor speed and electric-heating-wire-heating temperature by different phase, so that tealeaves is when by frying, do not form powder because motor speed is too fast, will not because of temperature height and cause fluid loss to lack of proper care.
Description
Technical field
The present invention relates to tea processing technical fields, more specifically, more particularly to a kind of tealeaves based on quadratic function
Process equipment control method.
Background technique
For spherical tea as a kind of main consumption tea, outlet is with a long history, world-famous at present.With pearl in spherical tea
Tea is the most typical.In history, green tea originates from Shaoxing par, and quality is high, and shape is mellow and full, expensive.Twentieth century 80
Age, green tea repeatedly obtain tealeaves Grand Prix.In recent years the export volume Shaoxing green tea of China's green tea accounts for about half specific gravity, and economic impact is deep
Far.Green tea occupies very big specific gravity as the representative of spherical tea in tea export, is increasingly liked by domestic and international consumer.
The origin of tea tree has six to seven ten thousand years very long history away from the present, and the utilization of initial tea is wild in primitive society
Occur in acquisition.China is the cradle of tea tree, and before more than 4000 years, China is begun to using tealeaves, by people as relieving summer-heat
Non-defective unit.After tealeaves passes through deep processing, it can be used as the addition raw material of food or medicine.The process master of general tealeaves
It is divided into three parts: the deep processing of the processing of first system, the purification processing and tealeaves of tealeaves of tealeaves.
In primary processing of tea process, stir-frying forming is one of very important process, will largely influence tealeaves
The superiority and inferiority of quality and tealeaves forming effect.Tealeaves is during stir-frying, it will a series of physics, chemical change, tealeaves occurs
Spherical shape is processed to during stir-frying, stir-frying forming is tealeaves forming, at the collaborative work of taste, Cheng Xiang, quality.
But temperature of the tea-processing equipment for fried tea, wind speed, time and stir-fry plate speed are not subject to for a long time
Regulation, therefore propose a kind of tea-processing equipment control method, it is of far-reaching significance to the raising for improving spherical tea processing quality.
Summary of the invention
It is an object of the invention to overcome in tea-processing equipment frying tealeaves, due to electric-heating-wire-heating temperature and motor
Revolving speed mismatches, so that tealeaves rate-of-loss of coolant is too fast or too slow, in turn results in the case where tea leaf quality declines, proposes a kind of base
It is of far-reaching significance to the raising for improving tea processing quality in the tea-processing equipment control method of quadratic function.
The present invention is through the following technical solutions to achieve the above objectives: a kind of tea-processing equipment control based on quadratic function
Method processed, for tea-processing equipment carry out Discrete control, the tea-processing equipment include rack, height detecting device,
Motor, torque sensor, second shaft coupling, transmission shaft, frying pan, heating wire, fries plate, velocity sensor and temperature at first shaft coupling
Spend sensor；The motor and frying pan are each attached in rack, and the output shaft of the motor is sequentially connected first shaft coupling, torque
The output shaft of sensor and second shaft coupling, second shaft coupling connects transmission shaft by crank and rocker mechanism, fries plate and is fixed on biography
On moving axis, the shape for frying plate lower half portion is to match semicircle with frying pan shape, when motor movement by first shaft coupling, turn round
Square sensor drives the output shaft rotation of second shaft coupling, and then drives stir-fry plate frying around transmission shaft by crank and rocker mechanism
Reciprocally swinging in pot；The temperature sensor and velocity sensor, which are fixed on, fries board bottom portion close to the position of frying pan, and heating wire is equal
The even the bottom of a pan for being distributed in frying pan；The height detecting device includes universal magnetic gauge stand and laser probe, universal magnetic gauge stand peace
In the rack by frying pan and it is provided with a pair, is respectively mounted on each universal magnetic gauge stand there are three laser probe, two ten thousand
Three laser probe positions on magnetic stand correspond, and the relative direction of opposite two laser probes is to fry plate stir-frying tea
Tealeaves empties direction when leaf, and three laser probes are sequentially arranged in from top to bottom on universal magnetic gauge stand；Laser probe from
The first probe, the second probe and third probe are followed successively by under；
The tea-processing equipment control method includes the following steps:
1) it is disposed with torque sensor in the motor output shaft of tea-processing equipment, temperature sensor is installed on frying plate
And velocity sensor；
2) motor is opened, control fries plate revolving speed and reaches ω0R/min opens heating wire, and is added by temperature sensor control
Hot temperature, makes frying pan be preheating to t0℃；
3) tealeaves sample, which is put into, carries out stir-frying in tea-processing equipment, while frying plate speed using velocity sensor measurement
Degree, temperature sensor measurement tealeaves temperature, and electric-heating-wire-heating temperature and motor are kept by physical quantity measured by sensor
Stabilization of speed, each height of arch of tealeaves increase, and tealeaves is highly stable between the second probe and third probe；
4) tealeaves is stirred as stir-fry plate rotates, thermally equivalent dehydration, while measuring tealeaves fluid loss using torque sensor,
It is monitored in real time；
5) it when torque sensor detects that dehydration degree reaches maximum value in the unit time, is adjusted by temperature sensor
Electric-heating-wire-heating power makes tealeaves temperature linearly from t0DEG C drop to the temperature t of fried tea completion1℃
6) according to the quadratic function relation of the fluid loss of tealeaves and motor speed, motor speed is adjusted, velocity pick-up is passed through
Device is gradually promoted so that frying plate revolving speed to maximum speed ω1R/min, under the action of constant motor revolving speed, tealeaves empties every time
Height increases, and tealeaves is highly stable between the first probe and the second probe；
7) tealeaves is in the case where high-revolving stir-fry strip is dynamic, and the duration of passage of tealeaves increases, and ingress of air is more abundant, generates heat thoroughly
Gas；
8), there is viscous feel on tea juice adhesion blade face, while torque sensor measures dehydration degree in the unit time and gradually decreases
When, according to the quadratic function relation of the fluid loss of tealeaves and motor speed, motor speed is adjusted, by velocity sensor, so that
It fries plate revolving speed and drops to ω2r/min
9) tealeaves is softer at this time, in low temperature frying pan, low speed stir-frying tealeaves, so that tealeaves is crispaturaed, forming；Torque passes
When sensor measures fluid loss and reaches preset value, tea frying is completed.
Further, the frying pan is fixed on the rack in 45 degree of oblique angles.
Further, the semicircular lower half portion edge for frying plate is bonded with the inner wall of frying pan.
Further, the stir-fry plate is bolted on transmission shaft, and transmission shaft is mounted on machine by the bearing at both ends
On frame.
The beneficial effects of the present invention are:
1, the present invention proposes a kind of tea processing based on quadratic function for tea-processing equipment control method is lacked
Apparatus control method, it is of far-reaching significance to the raising for improving tea processing quality.
2, the present invention controls different motor speed and electric-heating-wire-heating temperature by different phase, so that tealeaves is being fried
When processed, not because motor speed it is too fast form powder, will not because of temperature height and cause fluid loss to lack of proper care.
3, control method of the invention is not required to constantly modify revolving speed and heating temperature, reduces the complexity of process.
4, tea-processing equipment process of the invention is fully automated, the vertical judgement measured by torque sensor
Whether processing terminates, and saves manpower, reduces frying cost.
5, tea-processing equipment of the invention is used as using crank and rocker mechanism and is drivingly connected device, due to crank rocker machine
Structure inherent characteristic, there are crank angle between two limit positions, i.e., rocking bar has quick return characteristic, increases connecing for each tealeaves and stir-fry plate and pot wall
Stroke is touched, speed when frying plate fried tea is accelerated, improves the effect of fried tea.
6, tea-processing equipment of the invention depends on the specific of torque sensor acquirement to the control of motor and heating wire
Numerical value prevents worker with the problem of operation leads to tea frying unstable quality is felt, improves the quality of tea-processing.
7, tea-processing equipment of the invention measures the weight change that numerical value calculates tealeaves in frying pan by torque sensor
Change, and then calculate the accounting of tealeaves in frying pan, and then control and adjust the working condition of heating wire and motor, forms closed loop control
System, more accurate control tea frying process improve the quality of tea-processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of tea-processing equipment of the present invention.
In figure, 1- motor, 2- first shaft coupling, 3- torque sensor, 4- second shaft coupling, 5- output shaft, 6- frying pan, 7-
Heating wire, 8- stir-fry plate, 9- velocity sensor, 10- temperature sensor, 11- transmission shaft, 12- rotating disc, 13- drive rod, 14- are solid
Reservation, 15- oscillating rod, 16- sliding block, 17- sliding slot, 18- rack, 19- universal magnetic gauge stand, 20- laser probe.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in Figure 1, a kind of tea-processing equipment control method based on quadratic function, for tea-processing equipment into
Row Discrete control, the tea-processing equipment include rack 18, height detecting device, motor 1, first shaft coupling 2, torque sensing
Device 3, transmission shaft 11, frying pan 6, heating wire 7, fries plate 8, velocity sensor 9 and temperature sensor 10, the electricity at second shaft coupling 4
Machine 1 and frying pan 6 are each attached in rack 18, and the output shaft 5 of the motor 1 is sequentially connected first shaft coupling 2, torque sensor 3
Transmission shaft 11 is connected by crank and rocker mechanism with the output shaft 5 of second shaft coupling 4, second shaft coupling 4, plate 8 is fried and is fixed on biography
On moving axis 11, the shape for frying 8 lower half portion of plate is that semicircle is matched with 6 shape of frying pan, passes through the first shaft coupling when motor 1 moves
Device 2, torque sensor 3 drive second shaft coupling 4 output shaft 5 rotate, and then by crank and rocker mechanism drive stir-fry plate 8 around
The reciprocally swinging in frying pan 6 of transmission shaft 11；The temperature sensor 10 and velocity sensor 9, which are fixed on, fries 8 bottom of plate close to stir-fry
The position of pot 6, heating wire 7 are evenly distributed on the bottom of a pan of frying pan 6；The height detecting device includes universal magnetic gauge stand 19 and swashs
Light probe 20, universal magnetic gauge stand 19 are mounted in the rack 18 on 6 side of frying pan and are provided with a pair, each universal magnetic gauge stand 19
On be respectively mounted there are three laser probe 20, three 20 positions of laser probe on two universal magnetic gauge stands 19 correspond, phase
Relative direction to two laser probes 20 be fry plate 8 stir-fry tealeaves when tealeaves empty direction, and three laser probes 20 from
It is sequentially arranged under on universal magnetic gauge stand 19；Laser probe is followed successively by the first probe, the second probe and the from top to bottom
Three probes.
The tea-processing equipment control method includes the following steps:
1) it is disposed with torque sensor in the motor output shaft of tea-processing equipment, temperature sensor is installed on frying plate
And velocity sensor；
2) motor is opened, control fries plate revolving speed and reaches ω0R/min opens heating wire, and is added by temperature sensor control
Hot temperature, makes frying pan be preheating to t0℃；
3) tealeaves sample, which is put into, carries out stir-frying in tea-processing equipment, while frying plate speed using velocity sensor measurement
Degree, temperature sensor measurement tealeaves temperature, and electric-heating-wire-heating temperature and motor are kept by physical quantity measured by sensor
Stabilization of speed, each height of arch of tealeaves increase, and tealeaves is highly stable between the second probe and third probe；
4) tealeaves is stirred as stir-fry plate rotates, thermally equivalent dehydration, while measuring tealeaves fluid loss using torque sensor,
It is monitored in real time；
5) it when torque sensor detects that dehydration degree reaches maximum value in the unit time, is adjusted by temperature sensor
Electric-heating-wire-heating power makes tealeaves temperature linearly from t0DEG C drop to the temperature t of fried tea completion1℃
6) according to the quadratic function relation of the fluid loss of tealeaves and motor speed, motor speed is adjusted, velocity pick-up is passed through
Device is gradually promoted so that frying plate revolving speed to maximum speed ω1R/min, under the action of constant motor revolving speed, tealeaves empties every time
Height increases, and tealeaves is highly stable between the first probe and the second probe；
7) tealeaves is in the case where high-revolving stir-fry strip is dynamic, and the duration of passage of tealeaves increases, and ingress of air is more abundant, generates heat thoroughly
Gas；
8), there is viscous feel on tea juice adhesion blade face, while torque sensor measures dehydration degree in the unit time and gradually decreases
When, according to the quadratic function relation of the fluid loss of tealeaves and motor speed, motor speed is adjusted, by velocity sensor, so that
It fries plate revolving speed and drops to ω2r/min
9) tealeaves is softer at this time, in low temperature frying pan, low speed stir-frying tealeaves, so that tealeaves is crispaturaed, forming；Torque passes
When sensor measures fluid loss and reaches preset value, tea frying is completed.
The frying pan 6 can also be fixed in rack 18, stir-fry either be horizontally fixed in rack 18 in 45 degree oblique angles
Tealeaves is placed on side high in frying pan when pot 6 is fixed in rack 18 in 45 degree of oblique angles, and tea can be driven by frying the swing of 8 small range of plate
Leaf moves by a relatively large margin.
The semicircular lower half portion edge for frying plate 8 is bonded with the inner wall of frying pan 6, and tealeaves will not when frying the movement of plate 8
Because the inner wall of stir-fry 8 bottom of plate and frying pan 6 falls into the other side of frying pan 6 there are gap.
The stir-fry plate 8 is bolted on transmission shaft 11, and transmission shaft 11 is mounted on rack 18 by the bearing at both ends
On.
The crank and rocker mechanism includes rotating disc 12, drive rod 13, fixing seat 14, oscillating rod 15 and sliding block 16, rotation
Disk 12 is fixed on the output shaft of second shaft coupling, and the disk side of rotating disc 12 is hinged on the middle part of drive rod 13, drive rod 13
Lower end is hinged in fixing seat 14, and the upper end of drive rod 13 is set with sliding block 16, and is provided on oscillating rod 15 sliding for sliding block 16
Dynamic sliding slot 17, sliding block 16 are sleeved on inside sliding slot 17, and the upper end of oscillating rod 15 is fixedly connected with transmission shaft, second shaft coupling
It drives rotating disc 12 to rotate when output shaft rotates, and then fixing seat 14 of the drive rod 13 around lower end is driven to swing, be arranged
Fixing seat 14 of the sliding block 16 around 13 lower end of drive rod in 13 upper end of drive rod swings, so drive drive rod 13 around
Transmission shaft swings, and swings in frying pan the tealeaves to stir-fry in frying pan to make to fry plate.
Above-described embodiment is presently preferred embodiments of the present invention, is not a limitation on the technical scheme of the present invention, as long as
Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into the invention patent
Rights protection scope in.
Claims (4)
1. a kind of tea-processing equipment control method based on quadratic function, for carrying out Discrete control to tea-processing equipment,
It is characterized by: the tea-processing equipment, including rack (18), height detecting device, motor (1), first shaft coupling (2),
Torque sensor (3), transmission shaft (11), frying pan (6), heating wire (7), fries plate (8), velocity sensor at second shaft coupling (4)
(9) it is each attached on rack (18) with temperature sensor (10), the motor (1) and frying pan (6), the output of the motor (1)
Axis (5) is sequentially connected first shaft coupling (2), torque sensor (3) and second shaft coupling (4), the output shaft of second shaft coupling (4)
(5) transmission shaft (11) are connected by crank and rocker mechanism, fries plate (8) and be fixed on transmission shaft (11), fries plate (8) lower half portion
Shape is that semicircle is matched with frying pan (6) shape, passes through first shaft coupling (2), torque sensor (3) when motor (1) moves
Output shaft (5) rotation of second shaft coupling (4) is driven, and then is driven by crank and rocker mechanism and fries plate (8) around transmission shaft
(11) in frying pan (6) interior reciprocally swinging；The temperature sensor (10) and velocity sensor (9) are fixed on stir-fry plate (8) bottom and lean on
The position of nearly frying pan (6), heating wire (7) are evenly distributed on the bottom of a pan of frying pan (6)；The height detecting device includes universal magnetic
Gauge stand (19) and laser probe (20), universal magnetic gauge stand (19) are mounted in the other rack (18) of frying pan (6) and are provided with one
It is right, it is respectively mounted on each universal magnetic gauge stand (19) there are three laser probe (20), three on two universal magnetic gauge stands (19)
A laser probe (20) position corresponds, and the relative direction of opposite two laser probes (20) is when frying plate (8) stir-frying tealeaves
Tealeaves empties direction, and three laser probes (20) are sequentially arranged in from top to bottom on universal magnetic gauge stand (19)；Laser is visited
Head is followed successively by the first probe, the second probe and third probe from top to bottom；
The tea-processing equipment control method includes the following steps:
1) it is disposed with torque sensor in the motor output shaft of tea-processing equipment, temperature sensor and speed is installed on frying plate
Spend sensor；
2) motor is opened, control fries plate revolving speed and reaches ω0R/min opens heating wire, and controls heating temperature by temperature sensor
Degree, makes frying pan be preheating to t0℃；
3) tealeaves sample, which is put into, carries out stir-frying in tea-processing equipment, while frying plate speed using velocity sensor measurement,
Temperature sensor measurement tealeaves temperature, and electric-heating-wire-heating temperature and motor speed are kept by physical quantity measured by sensor
Stablize, each height of arch of tealeaves increases, and tealeaves is highly stable between the second probe and third probe；
4) tealeaves is stirred as stir-fry plate rotates, thermally equivalent dehydration, while measuring tealeaves fluid loss using torque sensor, is carried out
Real time monitoring；
5) when torque sensor detects that dehydration degree reaches maximum value in the unit time, electric heating is adjusted by temperature sensor
Silk heating power, makes tealeaves temperature linearly from t0DEG C drop to the temperature t of fried tea completion1℃
6) according to the quadratic function relation of the fluid loss of tealeaves and motor speed, adjust motor speed is made by velocity sensor
Plate revolving speed must be fried gradually to be promoted to maximum speed ω1R/min, under the action of constant motor revolving speed, each height of arch of tealeaves
Increase, tealeaves is highly stable between the first probe and the second probe；
7) tealeaves is in the case where high-revolving stir-fry strip is dynamic, and the duration of passage of tealeaves increases, and ingress of air is more abundant, and generate heat gas thoroughly；
8) tea juice is adhered blade face, there is a viscous feel, while when torque sensor measures that dehydration degree gradually decreases in the unit time, root
According to the fluid loss of tealeaves and the quadratic function relation of motor speed, motor speed is adjusted, by velocity sensor, is turned so that frying plate
Prompt drop is to ω2 r/min
9) tealeaves is softer at this time, in low temperature frying pan, low speed stir-frying tealeaves, so that tealeaves is crispaturaed, forming；Torque sensor
When measuring fluid loss and reaching preset value, tea frying is completed.
2. a kind of tea-processing equipment control method based on quadratic function according to claim 1, it is characterised in that: institute
Frying pan (6) are stated to be fixed on rack (18) in 45 degree of oblique angles.
3. a kind of tea-processing equipment control method based on quadratic function according to claim 1, it is characterised in that: institute
The semicircular lower half portion edge for stating stir-fry plate (8) is bonded with the inner wall of frying pan (6).
4. a kind of tea-processing equipment control method based on quadratic function according to claim 1, it is characterised in that: institute
It states stir-fry plate (8) to be bolted on transmission shaft (11), transmission shaft (11) is mounted on rack (18) by the bearing at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332005.9A CN109601646A (en) | 2018-11-09 | 2018-11-09 | A kind of tea-processing equipment control method based on quadratic function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332005.9A CN109601646A (en) | 2018-11-09 | 2018-11-09 | A kind of tea-processing equipment control method based on quadratic function |
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| CN109601646A true CN109601646A (en) | 2019-04-12 |
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ID=66003735
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111528298A (en) * | 2020-05-12 | 2020-08-14 | 国网浙江省电力有限公司湖州供电公司 | Electric tea frying system capable of recovering heating characteristic of manual tea frying |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105076508A (en) * | 2014-05-04 | 2015-11-25 | 新昌县群星实业有限公司 | Subsectional stir-frying processing method of Longjing tea |
| CN204888577U (en) * | 2015-06-08 | 2015-12-23 | 浙江省新昌县澄潭茶厂 | Stir -fry tea machine of steerable stir -fry tea speed and temperature |
-
2018
- 2018-11-09 CN CN201811332005.9A patent/CN109601646A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105076508A (en) * | 2014-05-04 | 2015-11-25 | 新昌县群星实业有限公司 | Subsectional stir-frying processing method of Longjing tea |
| CN204888577U (en) * | 2015-06-08 | 2015-12-23 | 浙江省新昌县澄潭茶厂 | Stir -fry tea machine of steerable stir -fry tea speed and temperature |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111528298A (en) * | 2020-05-12 | 2020-08-14 | 国网浙江省电力有限公司湖州供电公司 | Electric tea frying system capable of recovering heating characteristic of manual tea frying |
| CN111528298B (en) * | 2020-05-12 | 2023-04-07 | 国网浙江省电力有限公司湖州供电公司 | Electric tea frying system capable of recovering heating characteristic of manual tea frying |
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Application publication date: 20190412 |
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