CN2053846U - Agricultural multifunctional electronic self-control monitor - Google Patents
Agricultural multifunctional electronic self-control monitor Download PDFInfo
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- CN2053846U CN2053846U CN89203736U CN89203736U CN2053846U CN 2053846 U CN2053846 U CN 2053846U CN 89203736 U CN89203736 U CN 89203736U CN 89203736 U CN89203736 U CN 89203736U CN 2053846 U CN2053846 U CN 2053846U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The utility model relates to an agricultural multifunctional electronic self-control monitor which is an instrument for the industrial seedling culture of agricultural crops, such as various vegetables, flowers, seedlings, etc. and is also used for the production of agricultural seedling culture in greenhouses and plastic tunnels. The utility model is composed of a monitoring system, an automatic control system, a self-timing light supplementing system, a high and low temperature alarm system, an automatic watering system, a self-timing circulating ventilation system, etc. At the same time, the utility model has the functions of automatic monitoring and control to the indexes, such as temperature, humidity, light irradiation, ventilation, air exchange, temperature alarm, watering, etc. and is very suitable for seedling culture production, such as various vegetables, flowers, seedlings, etc. The utility model has the advantages of simple operation and one machine with multiple purposes and advances the period of seedling culture.
Description
The utility model relates to a kind of monitoring of basic electronic circuit category and the multifunctional agricultural electronic auto-control monitor of control system, and it comprises following several architectural feature:
1. full-automatic digital display circuit design has been selected double integration A/D conversion large scale integrated circuit DPM7117 for use.It can become data signal with the analog signal conversion that various sensors are sent here, through deciphering the Monitoring Data that can demonstrate temperature, humidity and illumination intuitively, is convenient to observe record.
2. the monitoring system circuit design is controlled in temperature, humidity and illumination automatically, what adopt is 8 way word electronics automatic switching circuits, temperature, humidity, illumination are sampled respectively, utilize analog-digital conversion ic to monitor, adopt the computing amplification circuit to control.
3. in the selection of Instrument sensor: make temperature sensor with semiconductor b-e knot, replace thermistor, improved mensuration precision to temperature.
4. change single function measurement and control instrument into multi-functional full-automatic control monitoring instrument, realized a tractor serves several purposes, replace six units to finish with one temperature, humidity, illumination, air, automatic watering, automatic control the highest and that minimum temperature is reported to the police are monitored.
The automatic electronic technology has been widely used in the every field of national economy in the world, uses comparatively common at home in the industrial production.On agricultural, be mainly used at present crops such as the higher all kinds of vegetables of the test of research of agricultural science and intensification production degree, flowers, nursery stock grow seedlings and greenhouse, plastic tunnel produce.At present, most monitoring instruments of using in the domestic agricultural production are simple functions, thereby to monitor single effect be good, and for example the JA-Z type temperature controller produced of the Northwest, Beijing temperature controlling instruments factory can be controlled temperature separately; For example the XTT-1 type temperature measurer of Yinchuan ammeter factory production can show measured temperature separately with pointer again; And for example the ZD-III type illumination monitor produced of Pei County, Jiangsu photoelectric instrument factory can be monitored illumination ， And separately and shown illumination numerical value with pointer.More than three kinds of unifunctional temperature controls, thermometric and illumination monitoring and monitoring instrument all have good simple function.And on agricultural, not only need temperature, illumination are monitored, also needing all needs monitoring to humidity detection and control and to high low-temperature warning, self-timing light filling, circulating ventilation and soil moisture etc., therefore must need monitoring, the monitor of several simple functions; Both just adopted several instruments can not solve the purpose that Hu Xiang Pei He And between each instrument reaches automatically-monitored various functions.
The purpose of the utility model " agricultural multifunctional electronic self-control monitor " invention be to avoid above-mentioned weak point of the prior art and provide a kind of simple in structure, multiple functional, automaticity is high, the agricultural multifunctional electronic self-control monitor that apply in suitable rural area.
The purpose of the utility model " agricultural multifunctional electronic self-control monitor " invention can reach by following measures: one group automatically monitor, automatically control and digital display circuit three big systems, have simultaneously the automatic monitoring controller to temperature, humidity, illumination, ventilation, ventilation, temperature alarming, the item index performance such as water.
The purpose of the utility model " agricultural multifunctional electronic self-control monitor " invention can also reach by following measures: 1. monitoring and control system circuit are monitored with the analog-to-digital conversion integrated package, controlling ， And with the operation amplifier integrated package finishes temperature, humidity, illumination etc. simultaneously 8 tunnel whole automatic monitorings and controls.
2. temperature sensor system links up the C-b utmost point of transistor, utilizes the b-e knot to make temperature sensor.
3. humidity sensor joins a 6.4K resistance as humidity sensor with the quick Dian Zu of M01-B type Shi And.
4. the automatic design system of light filling, it is formed ， And and is selected for use silicon photocell by extensive integrated package (mm5456), 5G28, C31, BG28, D40 etc.
5. circulation timing ventilating circuit designs and device, and it is made up of W24, R103, C41, BG24, BG25, BG26 etc., and driving ventilation blower running ， And can adjust arbitrarily according to required blanking time.
6. full-automatic digital display circuit design system, the double integration A/D conversion large scale integrated circuit DPM7117 in its device, the analog signal that various sensors are sent here demonstrates the Monitoring Data of temperature, humidity and illumination intuitively after decoding.
7. the design system of high low temperature warning circuit, it is to constitute window circuit by C036 NAND gate logic circuit.
8. the design system of automatic watering circuit, it is made up of detecting head A, B and BG22, BG23, institutes such as BG27, J18, realizes automatic watering by the control magnetic valve.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the circuit working theory diagram, and it comprises temperature, humidity, illuminance sensor, and compensated linear is adjusted circuit; 8 tunnel analog signal input selectors; The A/D conversion; Voltage ratio; The demonstration of showing of monitoring number; High low-temperature warning; Select clock pulses synchronously; Circulation regularly; Timing of digital electronic clock light filling and 8 tunnel output control selectors etc.
Fig. 2 is circuit theory diagrams:
1. temperature control: Rt1 is a temperaturecontrol sensor, it is connected on the arm of electric bridge, when temperature raises, the Rt1 resistance reduces, anti-end input voltage of comparator A reduced, when its absolute value of voltage is lower than in-phase end magnitude of voltage (the in-phase end magnitude of voltage is determined by adjusting W1, so temperature controlling point is adjustable arbitrarily), A exports high potential, the BG15 conducting, the J1 adhesive, the line of heating begins to heat, otherwise, A exports electronegative potential, and BG15 ends, and J1 disconnects, stop to heat, the temperature control principle on other each road is identical.
2. humidity control: R31 is a humistor, when ambient humidity is low, the resistance of R31 is very big, the electric current that flows through R33, W5 is very little, the backward end voltage that is added in comparator A is just low, (in-phase end voltage was to be set up by W6 when backward end voltage was lower than in-phase end voltage, therefore, the control point of humidity also is adjustable arbitrarily), A output HIGH voltage BG19 conducting, the J5 adhesive, electric furnace heats up, and the water vapour evaporation causes humidity to increase, otherwise, J5 discharges water yield evaporation to be reduced, and working so repeatedly just to make ambient humidity be controlled within the scope of setting up in advance.
It is to be noted: the input signal of all temps, humidity sensor is an input of delivering to comparator A by No. 8 electronic switches by the certain time sequence cycle, meanwhile output also is by No. 8 electronic switches, is transferred in each corresponding output control circuit according to identical sequential and goes.Input and output at any one time all are corresponding synchronously.So only need a comparator, just can finish 8 tunnel temperature, humidity control.And and finished temperature, wet, light detection input translation function with same No. 8 electronic switches.As can be seen from Figure 2, all be connected to an electric capacity in the output control circuit on the base stage of transistor, as C15.It is the effect of playing holding circuit.For example: come then to make J8(1-3 in some pulses) connect, this output circuit just and the connection of comparator A output.If the high level of A output this moment makes the BG15 conducting, the J1 adhesive, to the C15 charging, the C15 both end voltage raises simultaneously.When second pulse arrives, J8(1-3) disconnect, make the base stage of BG15 unsettled.C15 keeps voltage to keep the BG15 conducting, and J1 keeps adhesive, has reached the original output state of maintenance in the non-sampling time thus.
BG3-BG6 is the monitor temperature sensor, for make they can be in the bigger temperature difference steady operation, constitute a constant-current source by BG1 and BG2, BG3-BG6 is provided stable operating current, the influence of compensates improves monitoring accuracy.
The monitor signal of humidity is that W5, the W8 from each wet control circuit, W11 take out respectively, and they, are sent into DPM7117 chronologically and brake numeral and show together through 8 road electronic commutators in company with each road temperature monitoring signal and illumination signal.Among Fig. 2, C8 and R69 are external phase-shift circuit, and it and DPM7117 internal circuit are formed a ring oscillator, and the double integrator clock signal is provided.W15 divide voltage send the reference edge (36 pin) of DPM7117, thereby a reference voltage is provided.C9 is a reference capacitance.C12, R70 and DPM7117 internal circuit constitute integrating circuit.C11 is an auto-zero electric capacity, in order to carrying out automatic zero adjustment between each sampling and measuring, thereby has guaranteed certainty of measurement.
C036, CD4040 and CD4022 and 74LS240 form 8 road electronics automatic selector switch circuit, CD4040 is 12 utmost point binary counters, in order to simplify circuit, clock signal is directly got city 50HZ frequently, carry out 192 frequency divisions by CD4040, corresponding binary number is (11000000) 2, so needs two input nand gate just can be finished the decoding to (11000000) 2, obtains 14 pin that CD4022 is sent in 1 pulse of per 192 pulses output.CD4022 is the 8-digit device, when first clock pulses arrives, the 2 pin output high level of CD4022, all the other 7 pin are low level, when second clock pulses arrives, make the pin output high level of CD4022, other 7 pin are that the rest may be inferred for low level, during to the 8th clock pulses arrival, make 4022 10 pin output high level, other 7 pin is a low level, make the 15 pin zero setting of CD4022 simultaneously, when the 9th pulse arrived, CD4022 is backspace 2 pin output high level again, and so circulation is gone down.As long as to lasting clock of CD4040 input, just can make one 8 tunnel automatic cycle conversion device of CD4022 output, finish 8 tunnel automatic control and monitoring system with this.74LS240 is eight bit drivers, and it changes synchronously with CD4022, enlarges load with this.As increasing the control monitoring point of temperature, humidity, illuminance, can select 10 tunnel, 14 road or 16 road electronic switching circuits for use.
Fig. 3 is circuit theory diagrams:
3. the control of light filling circuit automatically: extensive integrated package (mm5456) has constituted the digital electronic clock of energy self-timing, city's frequency 50HZ alternating current injects 18 pin of MM5456 through R107, clock signal as MM5456, behind the shaping frequency division, the standard signal that obtains, as long as accurately each pulse recording Xia Lai And is added up, promote digital display through decoder driver, just can point out the time, and by the time unlatching light filling circuit of being scheduled to (any one constantly in 24 hours), because the long delay time of MM5456 is 60 minutes, can not satisfy the needs of light filling, therefore by 5C28 and C31, BG28, D40 has constituted long-time delay circuit, makes the delay time of MM5456 expand to 4 hours ， And and adjustable arbitrarily in 0～4 hour.The value of C31 is decided by the length of delaying time among Fig. 3.
4. high low temperature warning circuit is made up of Rt5 and C036, when greenhouse temperature is lower than lower limit, sensor Rt5 resistance increases, α point voltage u α is brought out greater than the threshold voltage Vt1 door 1 of door 1 input be low level, make door 2 be output as high level, this forms the multi-resonant oscillating circuit starting oscillation by door 3, door 4, and HTD sends warning.When greenhouse temperature was higher than higher limit, b point current potential ub also can make door 2 output high level less than door 2 threshold voltage uT2, and HTD sends warning.Adjust W20, W21 and can change the bound alarm temperature.
5. the automatic watering circuit is by detecting head A, B, and the conductance of surveying soil realizes solenoid control, and alternating voltage is added to the emitter junction of BG23 through resistance, regulates W22, changes the voltage that is added to a control two ends.Should be transferred to very dried soil that to make the probe both end voltage be 0.65V, and BG22 conducting when the positive peak of alternating voltage.C36 is by its discharge over the ground BG23 and BG27 conducting during the BG22 conducting, and make the J18 closure, connect water pump along with in the water infiltration water, the voltage at probe two ends descends, when being lower than the VBE of BG22, power supply charges to C36 by R97, R98, R99, and BG23, BG27 disconnect by J18 and stop to water.
6. the principle of circulating ventilation circuit is W24 automatically, R103, J19(1-2) charge to C41, along with the C41 current potential of putting off of time raises gradually, when the C41 positive potential rises to voltage stabilizing value greater than D51, BG25, the conducting of BG24 multiple tube, J19 get electric after, J19(2-1) closure, the ventilation blower running, meanwhile J19 switches to 2 by 1, because the effect of C51 makes multiple tube still keep conducting, after keeping a period of time, the voltage of C51 reduces gradually, and multiple tube is ended, the J19 outage, ventilation blower shuts down, J19 gets back to 1 by 2 simultaneously, and charging repeats said process to power supply to C51 again, adjusts W24 and can change regularly circulation timei.
The utility model " multifunctional agricultural electronic auto-control monitor " major technology index:
1. monitoring system:
Measurement category:
Temperature (four tunnel)-50～+ 50 ℃ accuracy ± 0.5 ℃
Humidity (three tunnel) 60～100% accuracy ± 3.5%
Illumination (one tunnel) 0～150000Lux accuracy ± 5%Lux
Sampling monitoring temperature, humidity, illumination intensity signal blanking time is 3.2 seconds.
2. automatic control system:
Control range:
10～40 ℃ of accuracy ± 2 of temperature (four tunnel) ℃
Humidity (three tunnel) 70～98% accuracy ± 5%
3. self-timing light filling circuit:
Give and put the setting scope 1 minute～4 hours, error ± 5 minute.
4. high low-temperature warning:
Setting scope: 25～45 ℃ of the upper limits; 0～25 ℃ of lower limit.
5. automatic watering: the setting scope is set up according to soil composition.
6. self-timing circulating ventilation time range: stopped 30～60 fens, opened 1～20 fen.
7. automatic control relay J1～J7, J17～J19 output, its contact can drive the load of ∽ 220V5A.
8. supply voltage ∽ 220V, 50HZ, average power consumption is less than 10W, and alternating voltage can operate as normal in 250V～180V scope.
The using method of the utility model " multifunctional agricultural electronic auto-control monitor ":
1. the sensor signal output end is linked to each other with this instrument signal input end socket.
2. attaching plug inserts the 220V AC power, and power switch is pressed.
3. digital clock is transferred to actual time, method of adjustment is strong strong with speed by setting up actual time, harmonizes actual time.Press the strong and strong adjustment light filling time of speed of light filling.
4. according to the needs of control, adjust 1-4 temperature control turn-knob, the wet control of 5-7 turn-knob is to required controlling value.
5. high low-temperature warning turn-knob is transferred within the restricted portion.
6. soil moisture setting scope is to decide according to soil composition.Measure the water content of soil with soil moisture content analyser, adjust instrument soil then and set up turn-knob, transfer on required corresponding scale.
The utility model " agricultural multifunctional electronic self-control monitor " is successively respectively at packet header suburban area seed multiplication farm, the Inner Mongol one machine factory, vegetables team, Vegetable Company refrigeration research office, Baotou, the units such as the Baotou institute of agricultural sciences and Baotou Agricultural Technology Popularization Station have carried out industrial seedling rearing, the heating wire Cold frame, vegetable cold storing and fresh-keeping, the application test of the aspects such as drip irrigation, the result proves that the advantage of this instrument is multiple functional, simple in structure, easy to operate, stable performance, with low cost, a tractor serves several purposes, can finish simultaneously temperature, humidity, illumination, Daily temperature range is reported to the police, automatic watering function, the automatic control monitoring of six indexs such as ventilation, this instrument can be widely used in vegetables, flowers, the industrial seedling rearing of nursery stock is realized automatic management.
The utility model " agricultural multifunctional electronic self-control monitor " output holding circuit is all finished with electric capacity. Also the shift register in the available microcomputer circuit reduces volume, and unrestricted ， And of retention time makes output realize the oncontacting conversion. Also can select the high integration integrated circuit, make the monitoring clock timing, comparator is with finishing with a large scale integrated circuit.
Claims (9)
1, a kind of multifunctional agricultural electronic auto-control monitor, be that temperature, humidity, illumination, ventilation, ventilation, temperature alarming, item such as water are finished from controlling/monitoring, its technical characterictic is one group and monitors automatically, controls automatically and digital display circuit three big systems, its monitoring and control system circuit are monitored with the analog-to-digital conversion integrated package, control with the computing amplifier integrated block; The electrofarming control device is that the control of simple function is carried out in temperature, humidity, illumination, ventilation, mainly is by single simple pointer electric appliance circuits control.
2, multifunctional agricultural electronic auto-control monitor according to claim 1, it is characterized in that the monitoring and the control system circuit monitor with the analog-to-digital conversion integrated package, control ， And with the computing amplifier integrated block and simultaneously 8 tunnel whole automatic monitorings and controls are finished in temperature, humidity, illumination.
3, according to claim 1,2 described multifunctional agricultural electronic auto-control monitors, it is characterized in that temperature sensor system links up the C-b utmost point of transistor, utilize the b-e knot to make temperature sensor.
4,, it is characterized in that humidity sensor joins a 6.4K resistance as humidity sensor with the quick Dian Zu of M01-B type Shi And according to claim 1,2 described multifunctional agricultural electronic auto-control monitors.
5, according to claim 1,2 described multifunctional agricultural electronic auto-control monitors, it is characterized in that the design system of automatic light filling, it is formed ， And and is selected for use silicon photocell by extensive integrated package (mm5456), 5G28, C31, BG28, D40 etc.
6, multifunctional agricultural electronic auto-control monitor according to claim 1 is characterized in that circulation regularly ventilating circuit design and device, and it is made up of W24, R103, C41, BG24, BG25, BG26 etc.; Driving ventilation blower running ， And can adjust arbitrarily according to required blanking time.
7, multifunctional agricultural electronic auto-control monitor according to claim 1, it is characterized in that full-automatic digital display circuit design system, double integration A/D conversion large scale integrated circuit DPM7117 in its device, the analog signal conversion that various sensors are sent here becomes data signal, demonstrates the Monitoring Data of temperature, humidity and illumination after decoding intuitively.
8, multifunctional agricultural electronic auto-control monitor according to claim 1 is characterized in that the design system of high low temperature warning circuit, and it is to constitute window circuit by C036 NAND gate logic circuit.
9, multifunctional agricultural electronic auto-control monitor according to claim 1 is characterized in that the design system of automatic watering circuit, and it is made up of institutes such as detecting head A, B and BG22, BG23, BG27J18, realizes automatic watering by the control magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN89203736U CN2053846U (en) | 1989-03-30 | 1989-03-30 | Agricultural multifunctional electronic self-control monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN89203736U CN2053846U (en) | 1989-03-30 | 1989-03-30 | Agricultural multifunctional electronic self-control monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2053846U true CN2053846U (en) | 1990-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89203736U Withdrawn CN2053846U (en) | 1989-03-30 | 1989-03-30 | Agricultural multifunctional electronic self-control monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2053846U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481855A (en) * | 2014-12-14 | 2015-04-01 | 衢州市煜鑫农产品加工技术开发有限公司 | Control circuit for geothermal heating of agricultural greenhouse |
| CN104794849A (en) * | 2015-03-31 | 2015-07-22 | 苏州锟恩电子科技有限公司 | Frost alarm circuit |
| CN109362311A (en) * | 2018-09-30 | 2019-02-22 | 天津市宝坻区青青蔬菜种植专业合作社 | A kind of supply of data volume nutrient solution root system and light-supplementing system |
-
1989
- 1989-03-30 CN CN89203736U patent/CN2053846U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481855A (en) * | 2014-12-14 | 2015-04-01 | 衢州市煜鑫农产品加工技术开发有限公司 | Control circuit for geothermal heating of agricultural greenhouse |
| CN104794849A (en) * | 2015-03-31 | 2015-07-22 | 苏州锟恩电子科技有限公司 | Frost alarm circuit |
| CN109362311A (en) * | 2018-09-30 | 2019-02-22 | 天津市宝坻区青青蔬菜种植专业合作社 | A kind of supply of data volume nutrient solution root system and light-supplementing system |
| CN109362311B (en) * | 2018-09-30 | 2024-02-23 | 天津市宝坻区青青蔬菜种植专业合作社 | Data volume nutrient solution root system supply and light filling system |
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| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |