CN203605671U - Drying control system - Google Patents
Drying control system Download PDFInfo
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- CN203605671U CN203605671U CN201320541232.9U CN201320541232U CN203605671U CN 203605671 U CN203605671 U CN 203605671U CN 201320541232 U CN201320541232 U CN 201320541232U CN 203605671 U CN203605671 U CN 203605671U
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- drying
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Abstract
The utility model relates to a drying controller and is aimed at disclosing a drying control system. The drying control system comprises a temperature and humidity sensor, a power supply and a relay control circuit. The relay control circuit is in control connection with a circulation motor, a heat pump, an auxiliary heater, a de-humidifying fan, a fault alarm and an over-temperature alarm. The relay control circuit is connected with a micro-controller. A temperature and humidity acquisition circuit is arranged between the temperature and humidity sensor and the micro-controller. The micro-controller is connected with a memory and an LCD display circuit. The memory is connected with a clock chip. The dying control system has following beneficial effects: the requirement for intelligent control in a drying process is satisfied; logic control of temperature and humidity by stages is carried out in such a way that the micro-controller is used for intelligently processing programs and carrying out detection feedback to temperature and humidity; and the possibility of more comprehensive and specialized configuration is provided for users.
Description
Technical field
The utility model relates to oven dry controller, refers to especially a kind of drying control system.
Background technology
Drying controller, is the Special control instrument table that is applied in the aspect such as drying materials, humiture process control.Its by the Real-Time Monitoring of humiture to control peripheral equipment operation such as ovens dry grade, drying plant is varied, as tealeaves, Chinese herbal medicine dryer, cloth drying machine, coal slurry drying-machine etc.Existing oven dry controller, dries warm rank single mostly, can not carry out Based Intelligent Control, and efficiency is relatively low.
Utility model content
The utility model proposes a kind of drying control system, it can carry out Based Intelligent Control stage by stage, completes the oven dry task under multiple condition.
The technical solution of the utility model is achieved in that a kind of drying control system, comprise Temperature Humidity Sensor, power supply source and control relay circuit, described control relay circuit control connection has circulating fan, heat pump, auxiliary heater, wet-emitting blower, fault alarm and overtemperature alarm, described control relay circuit is connected with microcontroller, humiture collection circuit is set between described Temperature Humidity Sensor and microcontroller, described microcontroller is connected with holder and LCD display circuit, and described holder is connected with clock chip.
The technical program offers microcontroller by Temperature Humidity Sensor by detection information, microcontroller transmits control signal to control relay circuit according to detection information, the stall of control relay circuit controlled circulation blower fan, heat pump, auxiliary heater and wet-emitting blower.When occurring the situations such as abnormal high temperature, microcontroller, according to detection information, is controlled overtemperature alarm and is sounded, and when line fault, in like manner controls fault alarm and sounds.The information such as overtemperature, fault in drying course all can be recorded by holder, and detected parameters can be observed by LCD display circuit in real time.
Described humiture collection circuit comprises temperature sensor and temperature collection circuit, described temperature collection circuit comprises the amplifier that the signal of temperature sensor collection is amplified, described amplifier output is connected with electric voltage/frequency converter, and described electric voltage/frequency converter communicates to connect microcontroller by optical coupler.The digital temperature sensor that temperature sensor can be is DS18B20 as model can be also the temperature sensor of RTD or RTD and so on.Described humiture collection circuit also comprises humidity sensor and humidity collection circuit certainly, and its theory structure and temperature acquisition part are similar, therefore repeat no more.
Described control relay circuit comprises the relay group of controlled circulation blower fan, heat pump, auxiliary heater, wet-emitting blower, fault alarm and overtemperature alarm, and between described microcontroller and relay group, to have model be the driving chip of ULN2803 to control connection.Described relay group, comprise that relay K 1 is to K6, each relay is corresponding to be connected with the pin one 3～18 of ULN2803, the corresponding microcontroller that connects in pin one～6 of ULN2803, the concrete model of microcontroller can be ATmega32, and it is connected with reference to pin description with ULN2803's.
Described LCD display circuit comprises that model is the LCD MODULE of FM128641, and the pin 3 of this LCD MODULE to pin 15 outputs are connected to microcontroller.FM128641 is graphic lcd, employing be 8 bit data bus and cpu i/f, parallel input and output.Other peripheral connections of FM128641 repeat no more.
Described holder is the ferroelectric memory of FM25LC series, and the model of described clock chip is PCF8564.The storage of ferroelectric memory FM25LC64 is reliable, save data for a long time, its coupling clock chip 6PCF8564, overtemperature each time, tripping operation and the fault message of drying course all can be recorded and preserve, packets of information, containing the moment occurring and locating in detail, provides reliable basis for investigating fault and monitoring running status.
Therefore, such scheme has met the Based Intelligent Control demand of drying course, and the Intelligent treatment program by microcontroller 1 and real time humiture detect feedback, can carry out the logic control stage by stage of humiture, to user provide more comprehensively, more professional configuration may.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the system construction drawing of the utility model drying control system;
Fig. 2 is a part of physical circuit figure of the temperature collection circuit of the utility model drying control system;
Fig. 3 is the physical circuit figure of the remainder of the temperature collection circuit shown in Fig. 2;
Fig. 4 is the concrete implementing circuit figure of one of the control relay circuit of the utility model drying control system;
Fig. 5 is the concrete implementing circuit figure of one of the LCD display circuit of the utility model drying control system.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of drying control system, as shown in Figure 1, comprise Temperature Humidity Sensor 2, power supply source and control relay circuit 4, described control relay circuit 4 control connections have circulating fan 41, heat pump 42, auxiliary heater 43, wet-emitting blower 44, fault alarm 45 and overtemperature alarm 46, described control relay circuit 4 is connected with microcontroller 1, between described Temperature Humidity Sensor 2 and microcontroller 1, humiture collection circuit 3 is set, described microcontroller 1 is connected with holder 5 and LCD display circuit 7, and described holder 5 is connected with clock chip 6.
The technical program offers microcontroller 1 by Temperature Humidity Sensor 2 by detection information, microcontroller 1 transmits control signal to control relay circuit 4 according to detection information, the stall of control relay circuit 4 controlled circulation blower fans 41, heat pump 42, auxiliary heater 43 and wet-emitting blower 44.When occurring the situations such as abnormal high temperature, microcontroller 1, according to detection information, is controlled overtemperature alarm 46 and is sounded, and when line fault, in like manner controls fault alarm 45 and sounds.The information such as overtemperature, fault in drying course all can be recorded by holder 5, and detected parameters can be observed by LCD display circuit 7 in real time.
Described humiture collection circuit 3 comprises temperature sensor and temperature collection circuit, described temperature collection circuit comprises the amplifier that the signal of temperature sensor collection is amplified, described amplifier output is connected with electric voltage/frequency converter, and described electric voltage/frequency converter communicates to connect microcontroller 1 by optical coupler.The digital temperature sensor that temperature sensor can be is DS18B20 as model can be also the temperature sensor of RTD or RTD and so on.A kind of specific embodiment of temperature collection circuit can be in conjunction with shown in Fig. 2, Fig. 3, as temperature sensor adopts RTD, the millivolt voltage recording enters the positive input terminal of circuit concatenation operation amplifier U5A from input J4, in circuit, the negative input end of operational amplifier U5A connects the input J5 that relative input J4 is ground, signal access electric voltage/frequency converter U2, voltage signal is converted into pulse signal, pulse signal is through optocoupler access microcontroller 1, corresponding Voltage-output foot-propelled is done, and completes a signal converting transmission process.Described humiture collection circuit 3 also comprises humidity sensor and humidity collection circuit certainly, and its theory structure and temperature acquisition part are similar, therefore repeat no more.
As a kind of circuit of concrete enforcement, it is the amplifier of LM2904 that operational amplifier U5A, U5B can select model, the model of electric voltage/frequency converter U2 can be LM331, the model of optocoupler can be 6N137, the peripheral circuit of temperature collection circuit refers to Fig. 2 and Fig. 3, the multiple that LM2904 amplifies is R17/R12, obtains 0～10V voltage, and voltage signal is changed into pulse signal by LM331 and exports via F_OUT pin.Q2 whether export according to F_OUT by conducting, if Q2 conducting optocoupler 6N137 input pin dragged down, corresponding Voltage-output foot-propelled is done, and completes a signal process.In addition, BAV99 is for voltage-limiting protection, and U5B is a voltage follower, and it has large input impedance, and little output impedance, for the buffering between first order amplifier and LM331.Industry technology analysis is pressed in the design of the components and parts such as all the other resistance, electric capacity, repeats no more.
Described control relay circuit 4 comprises the relay group of controlled circulation blower fan 41, heat pump 42, auxiliary heater 43, wet-emitting blower 44, fault alarm 45 and overtemperature alarm 46, and between described microcontroller 1 and relay group, to have model be the driving chip of ULN2803 to control connection.Described relay group, as shown in Figure 4, comprise that relay K 1 is to K6, each relay is corresponding to be connected with the pin one 3～18 of ULN2803, the corresponding microcontroller 1 that connects in pin one～6 of ULN2803, the concrete model of microcontroller 1 can be ATmega32, and it is connected with reference to pin description with ULN2803's.
Described LCD display circuit 7 comprises that model is the LCD MODULE LCD1 of FM128641, and the pin 3 of this LCD MODULE LCD1 to pin 15 outputs are connected to microcontroller 1.FM128641 is graphic lcd, employing be 8 bit data bus and cpu i/f, parallel input and output.Other peripheral connections as shown in Figure 5 of FM128641, repeat no more.
Described holder 5 is the ferroelectric memory of FM25LC series, and the model of described clock chip 6 is PCF8564.The storage of ferroelectric memory FM25LC64 is reliable, save data for a long time, its coupling clock chip 6PCF8564, overtemperature each time, tripping operation and the fault message of drying course all can be recorded and preserve, packets of information, containing the moment occurring and locating in detail, provides reliable basis for investigating fault and monitoring running status.
Therefore, such scheme has met the Based Intelligent Control demand of drying course, and the Intelligent treatment program by microcontroller 1 and real time humiture detect feedback, can carry out the logic control stage by stage of humiture, to user provide more comprehensively, more professional configuration may.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a drying control system, comprise Temperature Humidity Sensor (2), power supply source and control relay circuit (4), described control relay circuit (4) control connection has circulating fan (41), heat pump (42), auxiliary heater (43), wet-emitting blower (44), fault alarm (45) and overtemperature alarm (46), it is characterized in that: described control relay circuit (4) is connected with microcontroller (1), between described Temperature Humidity Sensor (2) and microcontroller (1), humiture collection circuit (3) is set, described microcontroller (1) is connected with holder (5) and LCD display circuit (7), described holder (5) is connected with clock chip (6).
2. drying control system according to claim 1, it is characterized in that: described humiture collection circuit (3) comprises temperature sensor and temperature collection circuit, described temperature collection circuit comprises the amplifier that the signal of temperature sensor collection is amplified, described amplifier output is connected with electric voltage/frequency converter, and described electric voltage/frequency converter communicates to connect microcontroller (1) by optical coupler.
3. drying control system according to claim 1, it is characterized in that: described control relay circuit (4) comprises the relay group of controlled circulation blower fan (41), heat pump (42), auxiliary heater (43), wet-emitting blower (44), fault alarm (45) and overtemperature alarm (46), between described microcontroller (1) and relay group, to have model be the driving chip of ULN2803 to control connection.
4. drying control system according to claim 1, is characterized in that: described LCD display circuit (7) comprises that model is the LCD MODULE of FM128641, and the pin 3 of this LCD MODULE to pin 15 outputs are connected to microcontroller (1).
5. drying control system according to claim 1, is characterized in that: the ferroelectric memory that described holder (5) is FM25LC series, the model of described clock chip (6) is PCF8564.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541232.9U CN203605671U (en) | 2013-09-02 | 2013-09-02 | Drying control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541232.9U CN203605671U (en) | 2013-09-02 | 2013-09-02 | Drying control system |
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| CN203605671U true CN203605671U (en) | 2014-05-21 |
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| CN201320541232.9U Expired - Fee Related CN203605671U (en) | 2013-09-02 | 2013-09-02 | Drying control system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105104503A (en) * | 2015-09-13 | 2015-12-02 | 安徽省葛根生产力促进中心有限公司 | Drying machine for radix puerariae pieces |
| CN105890296A (en) * | 2015-12-25 | 2016-08-24 | 深圳市信宇人科技有限公司 | Safe and high-efficient tunnel-type vacuum oven |
| CN106383534A (en) * | 2016-08-31 | 2017-02-08 | 合肥富通环保新能源科技有限公司 | Control system of vacuum low-temperature grain drying tower |
| CN106556247A (en) * | 2015-09-25 | 2017-04-05 | 哈尔滨华藻生物科技开发有限公司 | A kind of automatic control system of dryer |
| CN106556246A (en) * | 2015-09-25 | 2017-04-05 | 哈尔滨华藻生物科技开发有限公司 | A kind of automatic control system of drying sealing machine |
| CN106774522A (en) * | 2017-03-30 | 2017-05-31 | 成都优创复材科技有限公司 | A kind of vacuum dryer control system of nano phase change energy storage material |
| CN106843320A (en) * | 2017-03-30 | 2017-06-13 | 成都优创复材科技有限公司 | A kind of spray drying device temperature control system of microencapsulation material |
| CN107627509A (en) * | 2016-07-19 | 2018-01-26 | 上海长园电子材料有限公司 | A kind of blow-dry device and control system |
| CN108050823A (en) * | 2017-12-11 | 2018-05-18 | 界首市金龙机械设备有限公司 | A kind of grain drying machine intelligent temperature control system |
| CN109114890A (en) * | 2018-07-25 | 2019-01-01 | 河南佰衡节能科技股份有限公司 | Heat pump drying room hydrofuge control system and hydrofuge method based on time and target |
| CN112393758A (en) * | 2020-09-08 | 2021-02-23 | 浙江中广电器股份有限公司 | Screening method of temperature and humidity sensor for air energy heat pump type dryer |
| CN112553833A (en) * | 2019-09-26 | 2021-03-26 | 无锡飞翎电子有限公司 | Drying control circuit board and clothes treatment device |
-
2013
- 2013-09-02 CN CN201320541232.9U patent/CN203605671U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105104503A (en) * | 2015-09-13 | 2015-12-02 | 安徽省葛根生产力促进中心有限公司 | Drying machine for radix puerariae pieces |
| CN106556247A (en) * | 2015-09-25 | 2017-04-05 | 哈尔滨华藻生物科技开发有限公司 | A kind of automatic control system of dryer |
| CN106556246A (en) * | 2015-09-25 | 2017-04-05 | 哈尔滨华藻生物科技开发有限公司 | A kind of automatic control system of drying sealing machine |
| CN105890296A (en) * | 2015-12-25 | 2016-08-24 | 深圳市信宇人科技有限公司 | Safe and high-efficient tunnel-type vacuum oven |
| CN107627509A (en) * | 2016-07-19 | 2018-01-26 | 上海长园电子材料有限公司 | A kind of blow-dry device and control system |
| CN106383534A (en) * | 2016-08-31 | 2017-02-08 | 合肥富通环保新能源科技有限公司 | Control system of vacuum low-temperature grain drying tower |
| CN106843320A (en) * | 2017-03-30 | 2017-06-13 | 成都优创复材科技有限公司 | A kind of spray drying device temperature control system of microencapsulation material |
| CN106774522A (en) * | 2017-03-30 | 2017-05-31 | 成都优创复材科技有限公司 | A kind of vacuum dryer control system of nano phase change energy storage material |
| CN106774522B (en) * | 2017-03-30 | 2019-01-25 | 成都优创复材科技有限公司 | A kind of vacuum dryer control system of nano phase change energy storage material |
| CN106843320B (en) * | 2017-03-30 | 2019-01-25 | 成都优创复材科技有限公司 | A kind of spray drying device temperature control system of microencapsulation material |
| CN108050823A (en) * | 2017-12-11 | 2018-05-18 | 界首市金龙机械设备有限公司 | A kind of grain drying machine intelligent temperature control system |
| CN109114890A (en) * | 2018-07-25 | 2019-01-01 | 河南佰衡节能科技股份有限公司 | Heat pump drying room hydrofuge control system and hydrofuge method based on time and target |
| CN112553833A (en) * | 2019-09-26 | 2021-03-26 | 无锡飞翎电子有限公司 | Drying control circuit board and clothes treatment device |
| CN112553833B (en) * | 2019-09-26 | 2023-03-14 | 无锡飞翎电子有限公司 | Drying control circuit board and clothes treatment device |
| CN112393758A (en) * | 2020-09-08 | 2021-02-23 | 浙江中广电器股份有限公司 | Screening method of temperature and humidity sensor for air energy heat pump type dryer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 400000 Chongqing city Shapingba District Road No. 24 West standard factory two building B No. B2-03-03 Patentee after: CHONGQING YUETENG ELECTRICAL APPLIANCE Co.,Ltd. Address before: Is Chongqing city Shapingba District Tianxingqiao Street 400000 No. 49 2-1-2 Patentee before: CHONGQING YUETENG ELECTRICAL APPLIANCE Co.,Ltd. |
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| 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: 20140521 Termination date: 20210902 |