CN205210741U - Green house humiture system of observing and controling - Google Patents
Green house humiture system of observing and controling Download PDFInfo
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- CN205210741U CN205210741U CN201521046257.7U CN201521046257U CN205210741U CN 205210741 U CN205210741 U CN 205210741U CN 201521046257 U CN201521046257 U CN 201521046257U CN 205210741 U CN205210741 U CN 205210741U
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Abstract
The utility model discloses a green house humiture system of observing and controling, the LED screen remote signal transmission system comprises a transmitting end and a receiving end, the transmitting terminal includes singlechip A, temperature and humidity acquisition module, display module, wireless sending module, relay module and matrix keyboard module, the receiving terminal includes that singlechip B, wireless receiving module, U mouth change serial module and PC end. The utility model discloses green house humiture system of observing and controling adopts the wireless technology to carry out data acquisition, has avoided the inconvenience that brings of wire mode wiring, outside cooling device and dehumidification equipment can be after the environment humiture reaches the threshold value automatic opening, the trouble of having removed manual control from has improved efficiency, the humiture data can show at the transmitting terminal in real time, can arrive current humiture data by real time monitoring on receiving terminal PC simultaneously, temperature and humidity acquisition module adopts homemade chip DHT11, and the development is simple, the sexual valence relative altitude.
Description
Technical field
The utility model relates to a kind of TT&C system, specifically a kind of agricultural greenhouse humiture observation and control system.
Background technology
Often to realize the control to humiture and detection in daily life, and for humiture data collection usually serviceability temperature take into account hygroscopic mode to realize.Then the control of humiture is manually realized by artificial mode as artificial hypothermia's wet down or warming and humidifying.Can not realize Real-Time Monitoring and control so, and precision is very low; Even if adopt the mode automatically controlled, usually also adopt wired mode to carry out data transmission and equipment control, need like this to increase extra wiring, add the difficulty of construction, extend the duration.
For the problems referred to above that existing mode and equipment exist, the utility model devises a kind of agricultural greenhouse humiture observation and control system, native system gathers Temperature Humidity Sensor data by using microcontroller, and automatically open or close cooling and dehumidification equipment by the Threshold of Temperature And Humidity that comparison sets, humiture data are passed in real time PC end simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of agricultural greenhouse humiture observation and control system, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of agricultural greenhouse humiture observation and control system, comprise transmitting terminal and receiving end, described transmitting terminal comprises Chip Microcomputer A, humiture collection module, display module, wireless sending module, relay module and matrix keyboard module, and described receiving end comprises single-chip microcomputer B, wireless receiving module, U mouth turns serial port module and PC holds; Described Chip Microcomputer A connects humiture collection module, display module, wireless sending module, relay module and matrix keyboard module respectively, and described single-chip microcomputer B connects wireless receiving module respectively and U mouth turns serial port module, and U mouth turns serial port module and also connects PC end.
As further program of the utility model: described Chip Microcomputer A and single-chip microcomputer B all adopt STC89C52.
As further program of the utility model: described humiture collection module adopts Temperature Humidity Sensor to carry out humiture collection, and Temperature Humidity Sensor model is DHT11.
As further program of the utility model: described matrix keyboard module adopts the mode of matrix press-key to be connected with Chip Microcomputer A.
As further program of the utility model: described wireless sending module and wireless receiving module all adopt chip CC1101.
As further program of the utility model: described U mouth turns serial port module and adopts chip PL2303.
As the utility model further scheme: described display module adopts two four common cathode charactrons DS1, DS2 to show, adopt chip MAX7219 to realize charactron and drive.
Compared with prior art, the beneficial effects of the utility model are: the utility model agricultural greenhouse humiture observation and control system adopts wireless technology to carry out data acquisition, avoids the inconvenience brought of wired mode wiring; Outside cooling system and dehumidification equipment automatically can be opened after ambient temperature and humidity reaches threshold value, eliminate manually operated trouble, improve efficiency; Humiture data can show in real time at transmitting terminal, can monitor current humiture data in real time on receiving end PC simultaneously; Humiture collection module adopts homemade chip DHT11, and exploitation is simple, and cost performance is high; Receiving end is turned serial port module by U mouth and to hold with PC and be directly connected by USB interface, without the need to using RS232 interface to communicate, avoids the problem that modern computer cannot communicate without RS232 interface.
Accompanying drawing explanation
Fig. 1 is the structural representation of agricultural greenhouse humiture observation and control system;
Fig. 2 is transmitting terminal schematic diagram in agricultural greenhouse humiture observation and control system;
Fig. 3 is receiving end schematic diagram in agricultural greenhouse humiture observation and control system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The present embodiment is a kind of agricultural greenhouse humiture observation and control system, consult Fig. 1 ~ 3, it comprises transmitting terminal and receiving end, described transmitting terminal comprises Chip Microcomputer A, humiture collection module, display module, wireless sending module, relay module and matrix keyboard module, and described receiving end comprises single-chip microcomputer B, wireless receiving module, U mouth turns serial port module and PC holds; Described Chip Microcomputer A connects humiture collection module, display module, wireless sending module, relay module and matrix keyboard module respectively, and described single-chip microcomputer B connects wireless receiving module respectively and U mouth turns serial port module, and U mouth turns serial port module and also connects PC end; Described Chip Microcomputer A and single-chip microcomputer B all adopt STC89C52; Described humiture collection module adopts Temperature Humidity Sensor to carry out humiture collection, and Temperature Humidity Sensor model is DHT11; Described matrix keyboard module adopts the mode of matrix press-key to be connected with Chip Microcomputer A; Described wireless sending module and wireless receiving module all adopt chip CC1101; Described U mouth turns serial port module and adopts chip PL2303; Described display module adopts two four common cathode charactrons DS1, DS2 to show, and adopts chip MAX7219 to realize charactron and drives.
Principle of work of the present utility model is: refer to Fig. 1 ~ 3, transmitting terminal main control singlechip A model is STC89C52, STC89C52 is the single-chip microcomputer of compatible 8051 kernels, can realize 6,12 clocks/machine cycle arranges repeatedly, there is the advantage such as high speed, low-power consumption, electric capacity C2, C4 are connected Chip Microcomputer A the 18th with crystal oscillator Y1,19 pins form crystal oscillating circuit.Electric capacity C3, resistance R11, R12 and reset switch K3 access Chip Microcomputer A the 9th pin and form reset circuit.Resistance R2-R9 is the P0 mouth pull-up resistor of Chip Microcomputer A.
Humiture collection module adopts Temperature Humidity Sensor to carry out humiture collection, and Temperature Humidity Sensor model is DHT11.DHT11 Temperature Humidity Sensor inside comprises school and crosses accurate digital signal, and its maximum feature is in conjunction with data acquisition and the large technology of temperature and humidity sensing two, has good stability, reliability.DHT11 inside has resistance-type sense to wet element and NTC temperature element.It has, and efficiency is high, functional, antijamming capability strong, cost performance high.When detecting sensor internal signal, then need to call these calibration factors stored.This sensor is one wire system serial line interface, can realize system simply integrated, realizes the undistorted transmission of signal up to 20 meters.It is applicable to the occasion of each conditional harshness.Temperature Humidity Sensor P1 the 2nd pin is connected with described Chip Microcomputer A the 10th pin, and resistance R1 is pull-up resistor.
Relay module is for controlling cooling system and dehumidification equipment.Its repeat circuit P2 is used for controlling cooling system, and relay P4 is for controlling dehumidification equipment.Diode D1, D2 are earial drainage diode, and during in order to prevent relay power-off, it is excessive and destroy relay that dash current flows through coil.
Matrix keyboard module adopts the mode of matrix press-key to be connected with Chip Microcomputer A.Matrix press-key K4-K19 is connected to the 28th pin with Chip Microcomputer A the 21st.Wherein K4-K13 is respectively numeral 0 to digital 9 buttons, and K14 is that threshold value arranges key, and K15 is that temperature threshold arranges key, and K16 is that humidity threshold arranges key, and K17 is acknowledgement key.K18, K19 are reserved key.
Display module adopts two four common cathode charactrons DS1, DS2 to show, and adopts intelligent chip MAX7219 to realize charactron and drives.MAX7219 is released by MAXIM company, can be used to drive common cathode charactron, and multiple circuit such as a slice MAX7219 collection multiplexer, binary-coded decimal code translator, position driving and section driving, can realize the driving of 8 LED charactrons.And its inside comprises the static SRAM of 64 twoports, can realize the preservation of 8 LED data.This chip is easy to use, circuit connects simply, can realize series connection.Hardware circuit is truly made to be simplified.And software programming aspect also greatly reduces workload.MAX7219 chip is made up of command character and data 16 word strings, comprises typical 3-line serial interface, and DOUT pin is responsible for data and is exported.When have CLK all the time rising edge of a pulse come then, DIN enters MAX7219 internal shift register volume serial data, start most to receive bit level signal, then when the 16th CLK time clock rising edge arrives, if LOAD pin is high level, then data will be latched in internal register, through half clock, during CLK clock signal negative edge, data export from DOUT mouth.
Wireless sending module adopts the CC1101 chip development of TI-Chipcon company to form.Its inside comprises a receiver (with regulating action), high integrated frequency regulator, power amplifier, a regulator and a crystal oscillator.This chip operation frequency range ISM, 433/868/915MHZ, working current is very low.Its maximum feature can carry out programmed configurations by SPI interface, automatically generates CRC and lead code.And this chip price is relatively cheap, can radio communication be realized, therefore adopt the CC1101 module being integrated with CC1101 chip and peripheral electric capacity, resistance, crystal oscillator and antenna to transmit for data wireless.Wherein CC1101 module P3 the 3rd pin is connected with Chip Microcomputer A the 39th pin, P3 the 4th pin is connected with U1 the 34th pin, and P3 the 5th pin is connected with U1 the 38th pin, and P3 the 6th pin is connected with U1 the 35th pin, P3 the 7th pin is connected with U1 the 37th pin, and P3 the 8th pin is connected with U1 the 36th pin.
Receiving end main control singlechip Type B number is STC89C52, and electric capacity C5, C7 are connected single-chip microcomputer B the 18th with crystal oscillator Y2,19 pins form crystal oscillating circuit.Electric capacity C6, resistance R12, R13 and reset switch K1 access single-chip microcomputer B the 9th pin and form reset circuit.Resistance R1-R8 is the P0 mouth pull-up resistor of single-chip microcomputer B.
Wireless receiving module adopts the CC1101 chip development of TI-Chipcon company to form.Wherein CC1101 module P1 the 3rd pin is connected with single-chip microcomputer B the 39th pin, P1 the 4th pin is connected with U2 the 34th pin, and P1 the 5th pin is connected with U2 the 38th pin, and P1 the 6th pin is connected with U2 the 35th pin, P1 the 7th pin is connected with U2 the 37th pin, and P1 the 8th pin is connected with U2 the 36th pin.
U mouth turns serial port module and turns serial port chip by U mouth and peripheral circuit forms.Wherein U mouth turns serial port chip U1 model is PL2303.PL2303 is the chip that a cheap compatibility of prolific company production is strong.Wherein U1 the 5th pin is connected with single-chip microcomputer B the 11st pin, and U1 the 1st pin is connected with single-chip microcomputer B the 10th pin.Crystal oscillator Y1 and electric capacity C2, C4 form U1 crystal oscillating circuit.U1 is connected with USB terminal J1 through peripheral resistance R9-R11, electric capacity C1.
Transmitting terminal gathers ambient temperature and humidity value by Temperature Humidity Sensor P1, shows after Chip Microcomputer A process on charactron DS1, DS2, through wireless sending module P3, humiture data is sent to receiving end with the form of " T=XX DEG C " " H=XX ﹪ " simultaneously.Button K14 is for revising Threshold of Temperature And Humidity, and button K15 is for revising warm threshold value, and button K16 is for revising warm threshold value, and button K17 is for confirming amendment.When Threshold of Temperature And Humidity needs amendment, first press K14 key, then press K15 or K16 and revise temperature or humidity threshold.Select numerical value by digital keys K4-K13, press acknowledgement key K17 after amendment and confirm amendment.When environment temperature or humidity value are higher than setting threshold value, automatic closing relay P2 or P4 opens cooling system or dehumidification equipment.Until environment temperature or humidity value are lower than setting threshold value, automatically close corresponding relay thus close cooling or dehumidification equipment.
Receiving end receives humiture data by wireless receiving module, and turn serial port chip through USB after single-chip microcomputer B process and transfer to PC end, PC end can show current humiture data in real time.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. agricultural greenhouse humiture observation and control system, comprise transmitting terminal and receiving end, it is characterized in that, described transmitting terminal comprises Chip Microcomputer A, humiture collection module, display module, wireless sending module, relay module and matrix keyboard module, and described receiving end comprises single-chip microcomputer B, wireless receiving module, U mouth turns serial port module and PC holds; Described Chip Microcomputer A connects humiture collection module, display module, wireless sending module, relay module and matrix keyboard module respectively, and described single-chip microcomputer B connects wireless receiving module respectively and U mouth turns serial port module, and U mouth turns serial port module and also connects PC end.
2. agricultural greenhouse humiture observation and control system according to claim 1, is characterized in that, described Chip Microcomputer A and single-chip microcomputer B all adopt STC89C52.
3. agricultural greenhouse humiture observation and control system according to claim 1, is characterized in that, described humiture collection module adopts Temperature Humidity Sensor to carry out humiture collection, and Temperature Humidity Sensor model is DHT11.
4. agricultural greenhouse humiture observation and control system according to claim 1, is characterized in that, described matrix keyboard module adopts the mode of matrix press-key to be connected with Chip Microcomputer A.
5. agricultural greenhouse humiture observation and control system according to claim 1, is characterized in that, described wireless sending module and wireless receiving module all adopt chip CC1101.
6. agricultural greenhouse humiture observation and control system according to claim 1, is characterized in that, described U mouth turns serial port module and adopts chip PL2303.
7. agricultural greenhouse humiture observation and control system according to claim 1, is characterized in that, described display module adopts two four common cathode charactrons DS1, DS2 to show, and adopts chip MAX7219 to realize charactron and drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046257.7U CN205210741U (en) | 2015-12-15 | 2015-12-15 | Green house humiture system of observing and controling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046257.7U CN205210741U (en) | 2015-12-15 | 2015-12-15 | Green house humiture system of observing and controling |
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| CN205210741U true CN205210741U (en) | 2016-05-04 |
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| CN201521046257.7U Expired - Fee Related CN205210741U (en) | 2015-12-15 | 2015-12-15 | Green house humiture system of observing and controling |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105918015A (en) * | 2016-05-12 | 2016-09-07 | 洪明 | Intelligent temperature and humidity monitor for greenhouse |
| CN109163768A (en) * | 2018-11-16 | 2019-01-08 | 岱特智能科技（上海）有限公司 | A kind of temperature/humiditydetection detection system based on wireless sensor |
| CN113110165A (en) * | 2021-04-13 | 2021-07-13 | 四川轻化工大学 | Intelligent temperature and humidity monitoring and alarming system for yeast making house for making hard liquor |
-
2015
- 2015-12-15 CN CN201521046257.7U patent/CN205210741U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105918015A (en) * | 2016-05-12 | 2016-09-07 | 洪明 | Intelligent temperature and humidity monitor for greenhouse |
| CN109163768A (en) * | 2018-11-16 | 2019-01-08 | 岱特智能科技（上海）有限公司 | A kind of temperature/humiditydetection detection system based on wireless sensor |
| CN113110165A (en) * | 2021-04-13 | 2021-07-13 | 四川轻化工大学 | Intelligent temperature and humidity monitoring and alarming system for yeast making house for making hard liquor |
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Legal Events
| 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 |
Granted publication date: 20160504 Termination date: 20171215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |