CN203465617U - Tea green removing machine temperature and humidity control system - Google Patents
Tea green removing machine temperature and humidity control system Download PDFInfo
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- CN203465617U CN203465617U CN201320541578.9U CN201320541578U CN203465617U CN 203465617 U CN203465617 U CN 203465617U CN 201320541578 U CN201320541578 U CN 201320541578U CN 203465617 U CN203465617 U CN 203465617U
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Abstract
The utility model discloses a tea green removing machine temperature and humidity control system which comprises a single chip microcomputer control circuit, a liquid crystal display circuit, a temperature and humidity signal acquisition and processing circuit, an A/D and D/A conversion circuit, a key array circuit, a fuel control valve drive circuit and the like. According to the utility model, three temperature sensors and a humidity sensor acquire signals in a tea green removing machine cylinder; by carrying out change size comparing with set temperature and humidity values, the heating time and the opening volume of a fuel control valve are controlled to save gas; through the design provided by the utility model, without human participation, automation control is carried out on the heating time of multiple tea green removing machines; the automation level of a tea production line is improved; the tea green removing quality is ensured; and energy saving is realized.
Description
Technical field
The utility model relates to a kind of temperature control system of tea water-removing machine, and particularly a kind of being applied in industrial control system especially carried out robotization control for the temperature and humidity of green-keeping machine in tea production line to fixation time.
Background technology
Completing is the operation of key together in Tea Production and processing, is the key measures that forms and improve tea leaf quality.In present tea production line, completing is to utilize the instability of enzyme to temperature, and after surpassing certain temperature range, enzyme just loses activity, and guarantees that like this aldehydes matter of tealeaves the inside is not oxidized, guarantees looking good, smell good and taste good of tealeaves.Yet the automaticity of tea water-removing machine is not high, especially temperature is controlled, and the quality of whole tealeaves is played to critical effect, and excess Temperature or too lowly all likely do not reach desirable effect affects the quality of tealeaves; In order to reach the best effect that completes, in the process of operation, must the intensification of assurance system want fast, complete even.Development along with tea machinery, rolling tube type tea water removing machine from the PLC control till now of the rolling tube type tea water removing machine by mechanism controls temperature, control system is being improved step by step, yet the effect of controlling is not but so obvious, its heating system mainly adopts fire coal, liquefied gas, rock gas etc. to make the temperature in cylinder raise to reach the object completing, but the control of fuel is all generally by virtue of experience artificial operation, can not meet the accuracy requirement of automatic production line, be unfavorable for the saving of resource.
Utility model content
The purpose of this utility model is for the operation that completes in tealeaves automatic production line, to have proposed a kind of temperature and humidity control system of tea water-removing machine, and its accurate robotization that can realize the tea water-removing machine heat time is controlled, and saves fuel.
To achieve these goals, the utility model adopts following technical scheme:
The temperature control system of tea water-removing machine, comprise singlechip control chip and peripheral circuit thereof, A/D change-over circuit, D/A change-over circuit, temperature sensor, humidity sensor, push-button array and LCDs, the output terminal of temperature sensor and humidity sensor is connected to respectively the input end of A/D change-over circuit, the output terminal of A/D change-over circuit and the output terminal of push-button array are connected to respectively the respective input of singlechip control chip, LCDs is connected with singlechip control chip is two-way, the output terminal of singlechip control chip is connected to the input end of D/A change-over circuit, the output terminal of D/A change-over circuit connects the fuel control valve driving circuit of tea water-removing machine, said temperature sensor and humidity sensor are installed in the cylinder of tea water-removing machine.
Said temperature sensor You San road ，Ci No. tri-temperature sensors are arranged on the interior different position of cylinder of tea water-removing machine.
Above-mentioned A/D change-over circuit adopts serial a/d conversion chip, and above-mentioned D/A change-over circuit adopts serial D/A conversion chip.
Above-mentioned singlechip control chip and peripheral circuit thereof and the separated setting of above-mentioned LCDs.
Adopt after such scheme, the temperature and humidity control system of tea water-removing machine of the present utility model, uses single-chip microcomputer control technology and the communication technology etc., proposes the automation control system of a set of employing various control chip and liquid crystal display device.
The temperature and humidity control system of tea water-removing machine of the present utility model, during work, by temperature sensor and humidity sensor, the temperature signal in the cylinder of tea water-removing machine and moisture signal are gathered, temperature signal and moisture signal transform via A/D change-over circuit, the numerical value of conversion is presented in LCDs, by push-button array circuit can design temperature, humidity and the initial value of heat time; Temperature signal and moisture signal input singlechip control chip, compare the size of variation with the temperature and humidity value of setting in singlechip control chip, fuel control valve driving circuit is the Data Comparison according to coherent signal, utilize the signal realization of D/A conversion to carry out accurately automatically controlling to the size of heat time and fuel control valve unlatching, saving fuel.
The temperature and humidity control system of tea water-removing machine of the present utility model, its major advantage is:
(1) realize the Comprehensive Control of the temperature and humidity of system, utilized the data-handling capacity of singlechip control chip height and the ability that signal data is analyzed, with the comprehensive analysis of a plurality of data, reached the precision of control.
(2) realized the modularization principle of circuit design, single chip machine controlling circuit and LCDs have been carried out separated, can realize the transmission of the longer distance of data, can realize easy to maintenance.
(3) use A/D and the D/A chip of serial, can realize the acquisition and processing to multi way temperature, moisture signal.
(4) push-button arrays that adopt many group buttons to form, can realize the change to design temperature, humidity and heat time numerical value, also can Real Time Observation data-signals, in order to avoid break down, process in time.
Accompanying drawing explanation
Fig. 1 is system block diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Please refer to shown in Fig. 1-2, it has shown the concrete structure of the preferred embodiment of the utility model, the temperature and humidity control system of tea water-removing machine, comprise singlechip control chip 1(STC89C51RC) and peripheral circuit, A/D change-over circuit 2, D/A change-over circuit 3, temperature sensor 4, humidity sensor 5, push-button array 6 and 12864 LCDs 7, the output terminal of temperature sensor 4 and humidity sensor 5 is connected to respectively the input end of A/D change-over circuit 2, the output terminal of the output terminal of A/D change-over circuit 2 and push-button array 6 is connected to respectively the respective input of singlechip control chip 1, 12864 LCDs 7 are connected with singlechip control chip 1 is two-way, the output terminal of singlechip control chip 1 is connected to the input end of D/A change-over circuit 3, the output terminal of D/A change-over circuit 3 connects the fuel control valve driving circuit 8 of tea water-removing machine, temperature sensor 4 and humidity sensor 5 are installed in the cylinder of tea water-removing machine.
A/D change-over circuit 2 adopts serial a/d conversion chip, and D/A change-over circuit 3 adopts serial D/A conversion chip.
The temperature control system of a kind of tea water-removing machine the utility model proposes, the demonstration effect of the control action that embodiment has comprised singlechip control chip 1 and 12864 liquid crystal displays 7, utilize the P0 port of singlechip control chip 1 as the display section of 12864 liquid crystal displays 7, the P1 port of singlechip control chip 1 is as the input end of four circuit-switched data signals (three temperature He Yi road, tunnel humidity sensor signals), adopt the A/D conversion chip of serial, the P2 port of singlechip control chip 1 and the part of P3 port are as control port and the A/D of 12864 LCDs 7, the control signal input end of D/A, the part port of P2 port is as the signal input part of push-button array 6, utilize difference in functionality between each button of push-button array 6 and relation as the input signal of two ports, realized the reasonable utilization to port.
The temperature control system of a kind of tea water-removing machine the utility model proposes, can realize by the data acquisition process with workshop, the signal of multiple sensor is carried out to collection analysis, by utilizing the control action of single-chip microcomputer can realize the control of robotization.
The temperature and humidity control system of tea water-removing machine of the present utility model, during work, by temperature signal and moisture signal in the cylinder of 5 pairs of tea water-removing machines of No. three temperature sensor 4 He Yi road humidity sensors, gather, the mean value He Yi road moisture signal of three road temperature signals transforms via A/D change-over circuit 2, the numerical value of conversion is presented in 12864 LCDs 7, can provides convenience for operator's observation; By push-button array 6 circuit can design temperature, humidity and the initial value of heat time; The initial value of temperature, humidity and the heat time that can also set by 12864 LCDs 7 observation post; The numerical value of three tunnel temperature sensor sampling is changed input single-chip microcomputer by A/D, get the mean value of temperature as real-time temperature acquisition numerical value, the temperature and humidity value of setting in this temperature acquisition numerical value and singlechip control chip compares the size of variation, utilize the signal realization of D/A conversion automatically to control the size of heat time and fuel control valve unlatching, can be divided into a plurality of different switch size, save fuel.
The temperature and humidity control system of tea water-removing machine of the present invention has been realized two of temperature and humidity modes that controlled quentity controlled variable combines, reach control convenient, action accurately, reliability is high and be convenient to maintenance purpose, but also is conducive to the saving of resource.
Claims (4)
1. tea water-removing machine temperature and humidity control system, it is characterized in that, comprise singlechip control chip and peripheral circuit thereof, A/D change-over circuit, D/A change-over circuit, temperature sensor, humidity sensor, push-button array and LCDs, the output terminal of temperature sensor and humidity sensor is connected to respectively the input end of A/D change-over circuit, the output terminal of A/D change-over circuit and the output terminal of push-button array are connected to respectively the respective input of singlechip control chip, LCDs is connected with singlechip control chip is two-way, the output terminal of singlechip control chip is connected to the input end of D/A change-over circuit, the output terminal of D/A change-over circuit connects the fuel control valve driving circuit of tea water-removing machine, said temperature sensor and humidity sensor are installed in the cylinder of tea water-removing machine.
2. tea water-removing machine temperature and humidity control system according to claim 1, is characterized in that: said temperature sensor You San road ，Ci No. tri-temperature sensors are arranged on the interior different position of cylinder of tea water-removing machine.
3. tea water-removing machine temperature and humidity control system according to claim 1, is characterized in that: above-mentioned A/D change-over circuit adopts serial a/d conversion chip, and above-mentioned D/A change-over circuit adopts serial D/A conversion chip.
4. tea water-removing machine temperature and humidity control system according to claim 1, is characterized in that: above-mentioned singlechip control chip and peripheral circuit thereof and the separated setting of above-mentioned LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541578.9U CN203465617U (en) | 2013-09-02 | 2013-09-02 | Tea green removing machine temperature and humidity control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541578.9U CN203465617U (en) | 2013-09-02 | 2013-09-02 | Tea green removing machine temperature and humidity control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203465617U true CN203465617U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320541578.9U Expired - Fee Related CN203465617U (en) | 2013-09-02 | 2013-09-02 | Tea green removing machine temperature and humidity control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203465617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105145890A (en) * | 2015-07-30 | 2015-12-16 | 厦门山国饮艺茶业有限公司 | Tea leaf enzyme deactivating controlling system and method |
| CN107279344A (en) * | 2017-08-16 | 2017-10-24 | 池州芦山生态农庄科技开发有限公司 | A kind of light-wave far infrared automatic tea frying machine |
-
2013
- 2013-09-02 CN CN201320541578.9U patent/CN203465617U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105145890A (en) * | 2015-07-30 | 2015-12-16 | 厦门山国饮艺茶业有限公司 | Tea leaf enzyme deactivating controlling system and method |
| CN105145890B (en) * | 2015-07-30 | 2019-02-26 | 厦门山国饮艺茶业有限公司 | A kind of tea green-keeping control system and method |
| CN107279344A (en) * | 2017-08-16 | 2017-10-24 | 池州芦山生态农庄科技开发有限公司 | A kind of light-wave far infrared automatic tea frying machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20160902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |