CN202956643U - Sensing device of chromaticity and humidity of tea - Google Patents
Sensing device of chromaticity and humidity of tea Download PDFInfo
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- CN202956643U CN202956643U CN 201220634521 CN201220634521U CN202956643U CN 202956643 U CN202956643 U CN 202956643U CN 201220634521 CN201220634521 CN 201220634521 CN 201220634521 U CN201220634521 U CN 201220634521U CN 202956643 U CN202956643 U CN 202956643U
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Abstract
A sensing device of chromaticity and humidity of tea belongs to the technical field of measurement instrument and equipment of the chromaticity and humidity. The sensing device of the chromaticity and humidity of the tea is characterized by comprising a central processing unit; wherein the central processing unit which is connected with a camera assembly, a humidity sensor, a lighting module and a wireless communication module is electrically connected with a power supply module; the sensing device of the chromaticity and humidity of the tea is applied to a tea frying machine; and the central processing unit controls the camera assembly to dynamically shoot images and perform image reading, processing, tea pixel searching and chromaticity calculation, controls the humidity sensor to dynamically collect space humidity and establishes wireless data transmission connection with external receiving equipment through the wireless communication module to achieve real-time monitoring of the chromaticity and humidity in a tea frying process and effectively solve the problem of data transmission of rotating equipment. The sensing device of the chromaticity and humidity of the tea has the advantages of being capable of providing a guarantee for effective adjustment in the tea frying process according to real-time monitoring information of the chromaticity and humidity; performing closed-loop control on the tea frying process to accurately control tea frying links and completely eliminate accumulated errors; and improving the quality and the production efficiency of the tea.
Description
Technical field
The utility model belongs to humidity and determination of colority instrument and equipment technical field, is specifically related to a kind of tealeaves colourity and humidity sensing device.
Background technology
The tea frying tradition be take and made by hand as main, judge identify the colourity of tealeaves and humidity to control each link according to feel and observations by the personnel with suitable frying experience in the frying process, but traditional-handwork is made and is existed labour intensity large, operating personnel are required high, the problems such as turnout is restricted, and the frying quality conformance of the tealeaves between different pots times also is difficult to guarantee, start to grope to adopt the automatic frying of machine in industry, also start to occur some automatic tea frying machines on market, its control procedure is that the flow process of the manual frying demonstration by copying the user realizes, because it does not introduce tealeaves colourity, the real-time monitoring of humidity, along with heating power, frying pan is heated, the error accumulation that the factors such as time difference cause, colourity not only, the control of humidity can be difficult to the state that reaches desirable, and the consistance of the frying result of different pots times is difficult to guarantee more outstanding, affected the quality of tealeaves batch production, be lowered into the selling price of sampling tea.The frying pan of frying the tea machine is not stopping rotation, the position of tealeaves in frying pan is also constantly to change, become the key factor of restriction industry development for the enforcement collection of the colourity that affects the tea frying quality and these two key factors of humidity, in industry, not yet find at present effective solution be applied to fry the tea machine to the tea frying process the real-time monitor message based on colourity and humidity controlled.
The utility model content
The utility model aims to provide a kind of tealeaves colourity and humidity sensing device technical scheme, to overcome problems of the prior art.
Described tealeaves colourity and humidity sensing device, is characterized in that comprising central processing unit, connects on central processing unit CCD camera assembly, humidity sensor, lighting module, wireless communication module are set, and between central processing unit and power module, is electrically connected to.
Described tealeaves colourity and humidity sensing device, is characterized in that connecting acceleration transducer being set on described central processing unit.
Described tealeaves colourity and humidity sensing device, is characterized in that described lighting module comprises LED constant-current drive circuit, LED lamp, and the LED constant-current drive circuit is connected with the central processing unit circuit, and between LED lamp and LED constant-current drive circuit, feed circuit are connected.
Described tealeaves colourity and humidity sensing device, is characterized in that described power module comprises supplying cell, one group of voltage stabilizing power supplying circuit and electric quantity detecting circuit.
Described tealeaves colourity and humidity sensing device, it is characterized in that described humidity sensor is arranged on the top of the sensing support consisted of four erection columns, the middle part of sensing support connects the top cover that the connection cooperation is set, dustproof cylinder, bottom, dustproof cylinder internal upper part connection arranges circuit board, connection central processing unit and acceleration transducer on circuit board, CCD camera assembly, wireless communication module, lighting module, the corresponding CCD camera assembly in bottom centre position arranges transparent shooting window, circuit board supplies to be electrically connected to power module, the lower parallel of sensing support arranges one group of shadow shield, the top of two erection columns of homonymy connects respectively and is provided for and the lower anchor ear of frying the rotating shaft of tea machine and being connected, upper anchor ear.
Described tealeaves colourity and humidity sensing device, it is characterized in that described lighting module comprises LED constant-current drive circuit, LED lamp, the LED constant-current drive circuit install be connected on circuit board and with the central processing unit control linkage, between LED lamp and LED constant-current drive circuit, be electrically connected to, the LED lamp is arranged on dustproof cylinder bottom by LED joint pin, LED installing plate.
Described tealeaves colourity and humidity sensing device, is characterized in that described dustproof cylinder is connected by elastic washer, screens sheet and bottom.
Described tealeaves colourity and humidity sensing device, is characterized in that described power module comprises supplying cell, and circuit board top arranges battery compartment, and battery compartment top is equipped with Cang Gai.
Described tealeaves colourity and humidity sensing device, but it is characterized in that described erection column adopts the multistage disengagement structure and be respectively the cross-under gear with shadow shield, top cover, bottom and touch spacing cooperation of being spirally connected.
Above-mentioned tealeaves colourity and humidity sensing device, novel, rational in infrastructure, can implement monitoring in real time to the tealeaves colourity in the tea frying process and humidity, and efficiently solve the data communication connectivity problem of slewing, the closed-loop control of realization to the tea frying process, can effectively adjust according to colourity and the humidity monitored in real time in the tea frying process, accurately control each link of tea frying, promote tea leaf quality and tea frying production efficiency.
The accompanying drawing explanation
Fig. 1 is the utility model syndeton block diagram;
Fig. 2 is a kind of embodiment syndeton of the utility model schematic diagram;
Fig. 3 is the syndeton schematic diagram while in Fig. 2 illustrated embodiment, dustproof cylinder not being installed;
Fig. 4 is dustproof cylinder inner structure elevational schematic view in Fig. 2 illustrated embodiment not;
In figure: the 1-central processing unit, the 2-acceleration transducer, the 3-CCD camera assembly, the 4-humidity sensor, the 5-wireless communication module, the 6-lighting module, the 6a-LED constant-current drive circuit, the 6b-LED lamp, the 6c-LED installing plate, the 6d-LED joint pin, the 7-power module, the 8-shadow shield, the 9-bottom, the 10-cylinder that prevents dust, the 11-top cover, the 12-erection column, the 12a-joint pin, anchor ear under 13a-, the upper anchor ear of 13b-, 14-fries tea owner axle, 15-screens sheet, the 16-elastic washer, the 17-circuit board, the transparent shooting window of 18-, the 19-battery compartment, 20-Cang Gai.
Embodiment
Now, in conjunction with Figure of description, describe embodiment of the present utility model in detail:
As shown in Figure 1, tealeaves colourity and humidity sensing device comprise that central processing unit 1 reaches and acceleration transducer 2, CCD camera assembly 3, humidity sensor 4, lighting module 6, wireless communication module 5, the power module 7 of its control linkage, whole device is arranged on to be fried tea machine frying pan top and rotates with main shaft, wherein:
Central processing unit 1 is controlled acceleration transducer 2 and is detected the deviation angle of CCD camera assembly 3 and gravity direction to carry out CCD camera assembly 3 camera site anticipations, generally will take the anticipation position and be made as 30 °, when the deviation angle of CCD camera assembly 3 and gravity direction is 30 °, central processing unit 1 is controlled CCD camera assembly 3 beginnings shooting continuously;
Central processing unit 1 is controlled CCD camera assembly 3 dynamic continuously shot images carry out image processing, the search of tealeaves pixel from CCD camera assembly 3 reading images in frying the tea process, the image read again when the quantity of effective tealeaves pixel reaches threshold value of take is benchmark image, utilizes the colourity of effective tealeaves pixel of benchmark image to calculate average chrominance and obtains tealeaves colourity as the principal parameter of tealeaves color; Described image is treated to central processing unit 1 color space of the image that reads is converted to the color space based on tone, saturation degree and brightness from RGB, then carries out image and cuts apart and search for effective tealeaves pixel; For improving the processing speed of central processing unit 1, central processing unit 1 comprises from CCD camera assembly 3 reading images that topography reads with complete image and reads two stages, before the quantity of the effective tealeaves pixel searched reaches threshold value, central processing unit 1 reads topography from CCD camera assembly 3, be that central processing unit 1 presets the image reading zone and reads the image of setting regions from CCD camera assembly 3, when effectively the tealeaves pixel quantity reaches threshold value, central processing unit 1 reads complete image from CCD camera assembly 3;
Central processing unit 1 controlled humidity sensor 4 is dynamic acquisition space humidity in frying the tea process, humidity sensor 4 is arranged on the tea leaf frying pan top, the space humidity measured by humidity sensor 4 has directly been reacted velocity of evaporation and the water cut of Measuring Moisture Content of Tea, i.e. tealeaves humidity;
Power module 7 comprises supplying cell, one group of voltage stabilizing power supplying circuit and electric quantity detecting circuit, and the power supply system that lithium battery and one group of voltage stabilizing power supplying circuit form different voltages is the power supply of this device; Electric quantity detecting circuit is electrically connected to for detection of battery allowance and with central processing unit 1, and supplying cell adopts the 3.7V lithium battery;
In above-described embodiment, acceleration transducer 2 closely arranges with CCD camera assembly 3, it is that CCD camera assembly 3 is carried out the camera site anticipation that central processing unit 1 is controlled the deviation angle that acceleration transducer 2 detects itself and gravity direction, generally will take the anticipation position and be made as 30 °, when the angle of acceleration transducer 2 and gravity direction is 30 °, central processing unit 1 control LED constant-current drive circuit 6a opens LED lamp 6b to the shooting area illumination, orders CCD camera assembly 3 start shooting continuously and view data is kept in the FIFO buffer memory simultaneously; Before the tealeaves pixel quantity reaches threshold value, central processing unit 1 reads topography by presetting zone from the image of CCD camera assembly 3 buffer memorys, and carry out color space conversion, cut apart and search for tealeaves pixel wherein by 1 pair of image read of central processing unit, when reaching threshold value, the tealeaves pixel quantity thinks that system has reached optimum photographing position, order CCD camera assembly 3 is taken last width picture and enters dormancy, central processing unit 1 reads the captured picture in this optimum position from CCD camera assembly 3, and controls LED constant-current drive circuit 6a and close LED lamp 6b; Utilize acceleration transducer 2 to carry out CCD camera assembly 3 camera site anticipations, and stop taking after the pictures taken of optimum position, control CCD camera assembly 3 and enter dormant state in non-camera site, can obviously save power consumption, improve the service time of power module 7; 1 pair of complete image finally read of central processing unit carries out color space conversion, the search of tealeaves pixel, utilizes effective tealeaves pixel of this benchmark image to calculate the chroma data that average chrominance obtains the tealeaves that is taken; Central processing unit 1 controlled humidity sensor 4 when obtaining chroma data obtains the air humidity in current device space of living in and carries out data filtering processing, obtain current tealeaves humidity, finally by central processing unit 1 control wireless communication module 5 by current detection to colourity, humidity data and battery electric quantity information receive instrument in the mode of wireless transmission to outside main control system etc. and send;
Be a kind of concrete enforcement structure of above-mentioned tealeaves colourity and humidity sensing device as shown in Figure 2, Figure 3, Figure 4, humidity sensor 4 is arranged on the top of the sensing support consisted of four erection columns 12, the middle part connection of sensing support arranges top cover 11, dustproof cylinder 10, bottom 9, dustproof cylinder 10 is connected with bottom 9 by elastic washer 16, screens sheet 15, and top cover 11, dustproof cylinder 10, bottom 9 form the cylindrical structure of sealing, dustproof 10 inboard connections of internal head cover 11 of cylinder arrange circuit board 17, the electric quantity detecting circuit that on circuit board 17, connection central processing unit 1 and acceleration transducer 2, CCD camera assembly 3, wireless communication module 5, LED constant-current drive circuit 6a and power module 7 comprise, one group of voltage stabilizing power supplying circuit, LED lamp 6b sets up feed circuit with LED constant-current drive circuit 6a and is connected, and is arranged on dustproof cylinder 10 bottoms by LED joint pin 6d, LED installing plate 6c, CCD camera assembly 3 is arranged on top cover 11 centers, the corresponding CCD camera assembly 3 in bottom 9 centers arranges transparent shooting window 18, circuit board 17 tops arrange battery compartment 19 for the supplying cell of power module 7 is installed, generally select the 3.7V lithium battery, the power supply system that lithium battery and one group of voltage stabilizing power supplying circuit form different voltages is the power supply of this device, lithium battery also can be high with other energy storage capacity, other battery that volume is little substitutes, battery compartment 19 tops are equipped with storehouse lid 20, storehouse lid 20 is arranged between humidity sensor 4 and top cover 11, humidity sensor 4 is fixedly connected on storehouse lid 20, storehouse lid 20 is fixed on top cover 11 by wing nut, the lower parallel of sensing support arranges one group of shadow shield 8, and shadow shield 8 is generally forming the structure that is similar to window shutter more than two and two, the top of two erection columns 12 of homonymy connects respectively and is provided for and the lower anchor ear 13a, the upper anchor ear 13b that fry tea owner axle 14 and be connected, this device just can be arranged on and fry on tea owner axle 14 by lower anchor ear 13a, upper anchor ear 13b, in frying the tea process, along with frying tea owner axle 14, rotates.
In above-described embodiment, top cover 11, dustproof cylinder 10, bottom 9 have formed the sealing light-shielding structure of CCD camera assembly 3, shadow shield 8 is blocked extraneous light for the camera site in CCD camera assembly 3, the sandwich construction of shadow shield 8 has formed the structure that is similar to window shutter, can play good windbreak function in shading, can take full advantage of the degree of depth of tea leaf frying pan, make camera site more approach tealeaves and windage is dropped to minimum simultaneously, and the LED lamp 6b that adopts high color rendering index (CRI) is used as illumination and can farthest reduces the tealeaves color, elastic washer 16 coordinates and has strengthened sealing with dustproof cylinder 10 in addition, can effectively prevent dust with damp proof, avoid dust and the tea steaming vapour that floods to enter in dustproof cylinder 10 and affect shooting effect, thus can meet CCD camera assembly 3 shooting on structural entity the time for the requirement of light, simultaneously, humidity sensor 4 is along with frying 14 rotations of tea owner axle, the air humidity that the space humidity gathered is the tealeaves top, affected by velocity of evaporation and the water cut of tealeaves, reflection tealeaves humidity, , dustproof cylinder 10, the very little and shadow shield of the cross-sectional area of shadow shield 88 adopts the sandwich construction that is similar to window shutter, can take full advantage of the degree of depth of tea leaf frying pan, make camera site more approach tealeaves drops to windage minimum simultaneously, avoid this device along with frying near the tealeaves humidity windage device that tea owner axle 14 rotary courses cause, guarantee captured tealeaves humidity and the consistance of whole tealeaves.
In above-described embodiment, but erection column 12 adopt multistage be spirally connected disengagement structure and with shadow shield 8, top cover 11, bottom 9 is respectively the cross-under gear and touches spacing cooperation, it is threaded column that but the joint pin 12a that forms the multistage disengagement structure that is spirally connected of erection column 12 adopts an end, the structure that the other end is screw, the top cover 11 connected by erection column 12, bottom 9, shadow shield 8 has respectively the threaded column threaded of the joint pin 12a of the screw of its top joint pin 12a and below, the interlude diameter of joint pin 12a is greater than shadow shield 8 simultaneously, top cover 11, the mounting hole of bottom 9 forms the cross-under gear and touches spacing cooperation.
The utility model is applied to fry the tea machine, central processor 1 is controlled the dynamic photographic images of CCD camera assembly 3 and carries out image reading, image is processed, the search of tealeaves pixel and calculating colourity, central processor 1 controlled humidity sensor 4 dynamic acquisition space humidity, frying tea owner axle 14 often turns around and catches tealeaves colourity and humidity, and set up Wireless Data Transmission by wireless communication module 5 with outside receiving equipment and be connected, by the tealeaves colourity real-time monitored, the information such as humidity and battery allowance sends to outside receiving equipments such as main control systems with wireless transmission method, with realization, colourity and the humidity of tea frying process are monitored in real time, and effectively solve the data transmission problems of slewing, can according to the real-time monitor message of colourity and humidity, carry out effectively adjusting and providing safeguard for the tea frying process, to the closed-loop control of tea frying implementation Process, accurately to control the tea frying link, thoroughly eliminate accumulated error, promote tea leaf quality and production efficiency.
Claims (9)
1. tealeaves colourity and humidity sensing device, it is characterized in that comprising central processing unit (1), the upper connection of central processing unit (1) arranges CCD camera assembly (3), humidity sensor (4), lighting module (6), wireless communication module (5), between central processing unit (1) and power module (7), is electrically connected to.
2. tealeaves colourity as claimed in claim 1 and humidity sensing device, is characterized in that upper connection of described central processing unit (1) arranges acceleration transducer (2).
3. tealeaves colourity as claimed in claim 1 and humidity sensing device, it is characterized in that described lighting module (6) comprises LED constant-current drive circuit (6a), LED lamp (6b), LED constant-current drive circuit (6a) is connected with central processing unit (1) circuit, and between LED lamp (6b) and LED constant-current drive circuit (6a), feed circuit are connected.
4. tealeaves colourity as claimed in claim 1 and humidity sensing device, is characterized in that described power module (7) comprises supplying cell, one group of voltage stabilizing power supplying circuit and electric quantity detecting circuit.
5. tealeaves colourity as claimed in claim 1 and humidity sensing device, it is characterized in that described humidity sensor (4) is arranged on the top of the sensing support consisted of four erection columns (12), the middle part of sensing support connects the top cover (11) that the connection cooperation is set, dustproof cylinder (10), bottom (9), dustproof cylinder (10) internal upper part connection arranges circuit board (17), the upper connection central processing unit (1) of circuit board (17) and acceleration transducer (2), CCD camera assembly (3), wireless communication module (5), lighting module (6), the corresponding CCD camera assembly in bottom (9) centre position (3) arranges transparent shooting window (18), circuit board (17) supplies to be electrically connected to power module (7), the lower parallel of sensing support arranges one group of shadow shield (8), the top of two erection columns of homonymy (12) connects respectively and is provided for and the lower anchor ear (13a) of frying tea machine rotating shaft (14) and being connected, upper anchor ear (13b).
6. tealeaves colourity as claimed in claim 5 and humidity sensing device, it is characterized in that described lighting module (6) comprises LED constant-current drive circuit (6a), LED lamp (6b), LED constant-current drive circuit (6a) install be connected to circuit board (17) upper and with central processing unit (1) control linkage, between LED lamp (6b) and LED constant-current drive circuit (6a), be electrically connected to, LED lamp (6b) is arranged on dustproof cylinder (10) bottom by LED joint pin (6d), LED installing plate (6c).
7. tealeaves colourity as claimed in claim 5 and humidity sensing device, is characterized in that described dustproof cylinder (10) is connected with bottom (9) by elastic washer (16), screens sheet (15).
8. tealeaves colourity as claimed in claim 5 and humidity sensing device, is characterized in that described power module (7) comprises battery, and circuit board (17) top arranges battery compartment (19), and battery compartment (19) top is equipped with Cang Gai (20).
9. tealeaves colourity as claimed in claim 5 and humidity sensing device, it is characterized in that described erection column (12) but adopt the multistage disengagement structure and be respectively the cross-under gear with shadow shield (8), top cover (11), bottom (9) and touch spacing cooperation of being spirally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634521 CN202956643U (en) | 2012-11-27 | 2012-11-27 | Sensing device of chromaticity and humidity of tea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634521 CN202956643U (en) | 2012-11-27 | 2012-11-27 | Sensing device of chromaticity and humidity of tea |
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| Publication Number | Publication Date |
|---|---|
| CN202956643U true CN202956643U (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220634521 Expired - Fee Related CN202956643U (en) | 2012-11-27 | 2012-11-27 | Sensing device of chromaticity and humidity of tea |
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| Country | Link |
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| CN (1) | CN202956643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
-
2012
- 2012-11-27 CN CN 201220634521 patent/CN202956643U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10055781B2 (en) | 2015-06-05 | 2018-08-21 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
| US10909607B2 (en) | 2015-06-05 | 2021-02-02 | Boveda Inc. | Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20211127 |