CN105302195A - Temperature control device for agriculture and avocation production - Google Patents
Temperature control device for agriculture and avocation production Download PDFInfo
- Publication number
- CN105302195A CN105302195A CN201510698925.2A CN201510698925A CN105302195A CN 105302195 A CN105302195 A CN 105302195A CN 201510698925 A CN201510698925 A CN 201510698925A CN 105302195 A CN105302195 A CN 105302195A
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistor
- diode
- selects
- temperature control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The invention discloses a temperature control device for agriculture and avocation production, which comprises a power circuit, a temperature detection and display circuit, a reference voltage circuit and a control circuit, wherein the power circuit is composed of a power switch S2, a power transformer T, rectifier diodes VD2 to VD5, filter capacitors C1 and C2, a three-terminal voltage regulation integrated circuit IC3, a resistor R6 and a power indication light emitting diode VL1; the temperature detection and display circuit is composed of a temperature sensor integration circuit IC1, a control switch S1 and an LCD; the reference voltage circuit is composed of a resistor R1, a capacitor C3, a zener diode VS and an N1 inside an operational amplifier integrated circuit IC2; and the control circuit is composed of potentiometers RP1 and RP2, resistors R2 to R5, an amplifier N2 inside the IC2, a transistor V, a relay K, a diode VD1 and a light emitting diode VL2. The temperature control device is applicable to agriculture and avocation production, and has the advantages that the structure is reasonably designed, the automatic degree is high, the temperature is accurately controlled, and the temperature control range can be 2 to 200 DEG C.
Description
Technical field
The invention belongs to agricultural automation control technology field, be specifically related to a kind of agricultural avocation production temperature control equipment.
Background technology
Industrialized agriculture is one of the most great-hearted current new industry, and its medium temperature chamber is then the Type Equipment of industrialized agriculture.Greenhouse be a kind ofly can change plant growth environment, be that plant growth creates top condition, the place of avoiding extraneous Four seasons change and weather extremes to affect it, it has put agricultural resources to rational use, preserves the ecological environment, improves the advantages such as agricultural output.Green house control technology is the current research field of frontier nature in the world, and its gordian technique is carried out collection to envirment factors such as temperature, humidity, illumination and effectively controlled, and the final goal of this technology improves to control and homework precision.
Along with improving constantly of agricultural greenhouse scale and industrialization level; need to carry out monitor and forecast to multiple greenhouse of distribution or greenhouse group in certain area coverage; therefore; research and develop the Inspect and control device of multiple greenhouse or greenhouse group; carry out management tool to multiple greenhouse to be of great significance, many greenhouses control devices have a good application prospect.
Green house control circuit structure of the prior art is complicated, difficult wiring and control complicated, and loss is serious, and cost of manufacture is higher, is not suitable for promoting the use of.
Summary of the invention
Goal of the invention: the object of the invention is to solve deficiency of the prior art, there is provided a kind of reasonable in design, automaticity is high, and temperature control is accurate, temperature controlling range can reach 2-100 DEG C, is applicable to the agricultural avocation production temperature control equipment of agricultural and sideline production and application.
Technical scheme: a kind of agricultural avocation production temperature control equipment of the present invention, comprise power circuit, temperature detection display circuit, reference voltage circuit and control circuit, described power circuit is by power switch S2, power transformer T, commutation diode VD2 ~ VD5, filter capacitor C1, C2, circuit of three-terminal voltage-stabilizing integrated IC3, resistor R6 and power supply indication light diode VL1 forms, the input end of described power transformer T is connected with power switch S2, the output terminal of described power transformer T is connected with the rectifier circuit be made up of diode VD2 ~ VD5, the output terminal of described rectifier circuit is connected to the input end of filter capacitor C1 and circuit of three-terminal voltage-stabilizing integrated IC3, the output terminal of described circuit of three-terminal voltage-stabilizing integrated IC3 is connected in parallel to filter capacitor C2 and resistor R6, described resistor R6 is also connected with power supply indication light diode VL1, described temperature detection display circuit is made up of temperature sensor integrated circuit (IC) 1, gauge tap S1 and LCD liquid crystal display, 1 pin of described temperature sensor integrated circuit (IC) 1 is connected with the output terminal of described circuit of three-terminal voltage-stabilizing integrated IC3, output terminal 2 pin of described temperature sensor integrated circuit (IC) 1 is connected with gauge tap S1, and described gauge tap S1 is connected with LCD liquid crystal display by end pin " 1 ", described reference voltage circuit is made up of the N1 of resistor R1, capacitor C3, voltage stabilizing diode VS and operational amplifier integrated circuit (IC) 2 inside, described resistor R1 and described capacitor C3 is connected in parallel, and described resistor R1 is also connected in parallel to 3 pin of voltage stabilizing diode VS and the inner N1 of operational amplifier integrated circuit (IC) 2, described control circuit is by potentiometer RP1, RP2, resistor R2 ~ R5, the amplifier N2 of IC2 inside, transistor V, relay K, diode VD1 and light emitting diode VL2 forms, described potentiometer RP1 mutually connects with potentiometer RP2 and is connected with 1 pin of the inner N1 of described operational amplifier integrated circuit (IC) 2, the end pin " 2 " that described potentiometer RP2 is connected with resistor R3 simultaneously and is connected with gauge tap S1, 5 pin of the amplifier N2 of described IC2 inside are connected with resistor R3, 6 pin of the amplifier N2 of described IC2 inside are connected in parallel to resistor R2 and R4, described resistor R2 is connected with described end pin " 1 " simultaneously, described resistor R4 is also connected with 7 pin and the resistor R5 of the amplifier N2 of IC2 inside, described resistor R5 is also connected with the base stage of transistor V, the emitter of described transistor V is connected with relay K and light emitting diode VL2, described relay K is also connected in parallel to diode VD1, the normally opened contact of described relay K is connected to civil power.
Further, described resistor R1 ~ R6 selects l/4W metal film resistor or carbon film resistor.
Further, described potentiometer RP1 and RP2 selects synthesis membrane potentiometer or multiturn potentiometer.
Further, described filter capacitor C1 and C2 all selects withstand voltage to be the aluminium electrolutic capacitor of 16V; Capacitor C3 selects monolithic capacitor or dacron terylene condenser.
Further, described diode VD1 ~ VD5 all selects 1N4007 type silicon rectifier diode.
Further, described voltage stabilizing diode VS selects the silicon voltage regulator diode of 1/2W, 5.2V.
Further, described transistor V selects 58550 or 3CG8550 type silicon PNP transistor.
Further, described IC1 selects LM35D type temperature sensor integrated circuit; IC2 selects LM358 type dual operational amplifier integrated circuit; IC3 selects 78L09 type circuit of three-terminal voltage-stabilizing integrated.
Further, described relay K selects JRX-13F type 9V DC relay.
Further, described gauge tap S1 selects one pole open and shut valve: power switch S2 selects the power switch of 10A, 220Y.
Beneficial effect: temperature control device structure of the present invention is reasonable in design, and automaticity is high, and temperature control is accurate, temperature controlling range can reach 2-100 DEG C, is applicable to agricultural and sideline production and application.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present invention.
Embodiment
A kind of agricultural avocation production temperature control equipment as shown in Figure 1, comprises power circuit, temperature detection display circuit, reference voltage circuit and control circuit.
Described power circuit is by power switch S2, power transformer T, commutation diode VD2 ~ VD5, filter capacitor C1, C2, circuit of three-terminal voltage-stabilizing integrated IC3, resistor R6 and power supply indication light diode VL1 forms, the input end of described power transformer T is connected with power switch S2, the output terminal of described power transformer T is connected with the rectifier circuit be made up of diode VD2 ~ VD5, the output terminal of described rectifier circuit is connected to the input end of filter capacitor C1 and circuit of three-terminal voltage-stabilizing integrated IC3, the output terminal of described circuit of three-terminal voltage-stabilizing integrated IC3 is connected in parallel to filter capacitor C2 and resistor R6, described resistor R6 is also connected with power supply indication light diode VL1.
Described temperature detection display circuit is made up of temperature sensor integrated circuit (IC) 1, gauge tap S1 and LCD liquid crystal display, 1 pin of described temperature sensor integrated circuit (IC) 1 is connected with the output terminal of described circuit of three-terminal voltage-stabilizing integrated IC3, output terminal 2 pin of described temperature sensor integrated circuit (IC) 1 is connected with gauge tap S1, and described gauge tap S1 is connected with LCD liquid crystal display by end pin " 1 ".
Described reference voltage circuit is made up of the N1 of resistor R1, capacitor C3, voltage stabilizing diode VS and operational amplifier integrated circuit (IC) 2 inside, described resistor R1 and described capacitor C3 is connected in parallel, and described resistor R1 is also connected in parallel to 3 pin of voltage stabilizing diode VS and the inner N1 of operational amplifier integrated circuit (IC) 2.
Described control circuit is by potentiometer RP1, RP2, resistor R2 ~ R5, the amplifier N2 of IC2 inside, transistor V, relay K, diode VD1 and light emitting diode VL2 forms, described potentiometer RP1 mutually connects with potentiometer RP2 and is connected with 1 pin of the inner N1 of described operational amplifier integrated circuit (IC) 2, the end pin " 2 " that described potentiometer RP2 is connected with resistor R3 simultaneously and is connected with gauge tap S1, 5 pin of the amplifier N2 of described IC2 inside are connected with resistor R3, 6 pin of the amplifier N2 of described IC2 inside are connected in parallel to resistor R2 and R4, described resistor R2 is connected with described end pin " 1 " simultaneously, described resistor R4 is also connected with 7 pin and the resistor R5 of the amplifier N2 of IC2 inside, described resistor R5 is also connected with the base stage of transistor V, the emitter of described transistor V is connected with relay K and light emitting diode VL2, described relay K is also connected in parallel to diode VD1, the normally opened contact of described relay K is connected to civil power.
The individual components and parts of above-mentioned control circuit are selected as follows:
Further, described resistor R1 ~ R6 selects l/4W metal film resistor or carbon film resistor.
Further, described potentiometer RP1 and RP2 selects synthesis membrane potentiometer or multiturn potentiometer.
Further, described filter capacitor C1 and C2 all selects withstand voltage to be the aluminium electrolutic capacitor of 16V; Capacitor C3 selects monolithic capacitor or dacron terylene condenser.
Further, described diode VD1 ~ VD5 all selects 1N4007 type silicon rectifier diode.
Further, described voltage stabilizing diode VS selects the silicon voltage regulator diode of 1/2W, 5.2V.
Further, described transistor V selects 58550 or 3CG8550 type silicon PNP transistor.
Further, described IC1 selects LM35D type temperature sensor integrated circuit; IC2 selects LM358 type dual operational amplifier integrated circuit; IC3 selects 78L09 type circuit of three-terminal voltage-stabilizing integrated.
Further, described relay K selects JRX-13F type 9V DC relay.
Further, described gauge tap S1 selects one pole open and shut valve: power switch S2 selects the power switch of 10A, 220Y.
The principle of work of this control circuit is as follows:
After the switch S that switches on power 2, VL1, after T step-down, VD2 ~ VD5 rectification, C1 filtering and IC3 voltage stabilizing, for temperature detection/display circuit and control circuit provide+9V operating voltage, is lighted by R6 by alternating current 220V voltage simultaneously.
When S1 being placed in " 1 " position, being temperature set status, carrying out setup control temperature (first regulate RP1, the output voltage of RP2 is changed between 0 ~ 1V, corresponding control temperature is 0 ~ 100 DEG C) by regulating RP1 and RP2.When S1 being placed in " 2 " position, be Temperature displaying state, the temperature that IC1 detects is shown by LCD liquid crystal display.
When the design temperature of environment temperature lower than RP2 that IC1 detects, the output terminal of operational amplifier N2 is low level, V saturation conduction, and K be energized adhesive, and its normally open contact is connected, and well heater EH energising starts heating, while VL2 light.When temperature is increased beyond design temperature, operational amplifier N2 exports high level, and V is ended, and K discharges, and VL2 extinguishes, and EH power-off stops heating.
The above course of work is carried out again and again, can make the temperature constant of controlled location near design temperature.
Temperature control device structure of the present invention is reasonable in design, and automaticity is high, and temperature control is accurate, and temperature controlling range can reach 2-100 DEG C, is applicable to agricultural and sideline production and application.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. an agricultural avocation production temperature control equipment, it is characterized in that: comprise power circuit, temperature detection display circuit, reference voltage circuit and control circuit, described power circuit is by power switch S2, power transformer T, commutation diode VD2 ~ VD5, filter capacitor C1, C2, circuit of three-terminal voltage-stabilizing integrated IC3, resistor R6 and power supply indication light diode VL1 forms, the input end of described power transformer T is connected with power switch S2, the output terminal of described power transformer T is connected with the rectifier circuit be made up of diode VD2 ~ VD5, the output terminal of described rectifier circuit is connected to the input end of filter capacitor C1 and circuit of three-terminal voltage-stabilizing integrated IC3, the output terminal of described circuit of three-terminal voltage-stabilizing integrated IC3 is connected in parallel to filter capacitor C2 and resistor R6, described resistor R6 is also connected with power supply indication light diode VL1, described temperature detection display circuit is made up of temperature sensor integrated circuit (IC) 1, gauge tap S1 and LCD liquid crystal display, 1 pin of described temperature sensor integrated circuit (IC) 1 is connected with the output terminal of described circuit of three-terminal voltage-stabilizing integrated IC3, output terminal 2 pin of described temperature sensor integrated circuit (IC) 1 is connected with gauge tap S1, and described gauge tap S1 is connected with LCD liquid crystal display by end pin " 1 ", described reference voltage circuit is made up of the N1 of resistor R1, capacitor C3, voltage stabilizing diode VS and operational amplifier integrated circuit (IC) 2 inside, described resistor R1 and described capacitor C3 is connected in parallel, and described resistor R1 is also connected in parallel to 3 pin of voltage stabilizing diode VS and the inner N1 of operational amplifier integrated circuit (IC) 2, described control circuit is by potentiometer RP1, RP2, resistor R2 ~ R5, the amplifier N2 of IC2 inside, transistor V, relay K, diode VD1 and light emitting diode VL2 forms, described potentiometer RP1 mutually connects with potentiometer RP2 and is connected with 1 pin of the inner N1 of described operational amplifier integrated circuit (IC) 2, the end pin " 2 " that described potentiometer RP2 is connected with resistor R3 simultaneously and is connected with gauge tap S1, 5 pin of the amplifier N2 of described IC2 inside are connected with resistor R3, 6 pin of the amplifier N2 of described IC2 inside are connected in parallel to resistor R2 and R4, described resistor R2 is connected with described end pin " 1 " simultaneously, described resistor R4 is also connected with 7 pin and the resistor R5 of the amplifier N2 of IC2 inside, described resistor R5 is also connected with the base stage of transistor V, the emitter of described transistor V is connected with relay K and light emitting diode VL2, described relay K is also connected in parallel to diode VD1, the normally opened contact of described relay K is connected to civil power.
2. a kind of agricultural avocation production temperature control equipment according to claim 1, is characterized in that: described resistor R1 ~ R6 selects l/4W metal film resistor or carbon film resistor.
3. a kind of agricultural avocation production temperature control equipment according to claim 1, is characterized in that: described potentiometer RP1 and RP2 selects synthesis membrane potentiometer or multiturn potentiometer.
4. a kind of agricultural avocation production temperature control equipment according to claim 1, is characterized in that: described filter capacitor C1 and C2 all selects withstand voltage to be the aluminium electrolutic capacitor of 16V; Capacitor C3 selects monolithic capacitor or dacron terylene condenser.
5. a kind of agricultural avocation production temperature control equipment according to claim 1, is characterized in that: described diode VD1 ~ VD5 all selects 1N4007 type silicon rectifier diode.
6. a kind of agricultural avocation production temperature control equipment according to claim 1, is characterized in that: described voltage stabilizing diode VS selects the silicon voltage regulator diode of 1/2W, 5.2V.
7. a kind of agricultural avocation production temperature control equipment according to claim 1, is characterized in that: described transistor V selects 58550 or 3CG8550 type silicon PNP transistor.
8. a kind of agricultural avocation production temperature control equipment according to claim 1, is characterized in that: described IC1 selects LM35D type temperature sensor integrated circuit; IC2 selects LM358 type dual operational amplifier integrated circuit; IC3 selects 78L09 type circuit of three-terminal voltage-stabilizing integrated.
9. a kind of agricultural avocation production temperature control equipment according to claim 1, is characterized in that: described relay K selects JRX-13F type 9V DC relay.
10. a kind of agricultural avocation production temperature control equipment according to claim 1, is characterized in that: described gauge tap S1 selects one pole open and shut valve: power switch S2 selects the power switch of 10A, 220Y.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698925.2A CN105302195A (en) | 2015-10-26 | 2015-10-26 | Temperature control device for agriculture and avocation production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698925.2A CN105302195A (en) | 2015-10-26 | 2015-10-26 | Temperature control device for agriculture and avocation production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105302195A true CN105302195A (en) | 2016-02-03 |
Family
ID=55199570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510698925.2A Pending CN105302195A (en) | 2015-10-26 | 2015-10-26 | Temperature control device for agriculture and avocation production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105302195A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390748A (en) * | 2017-08-03 | 2017-11-24 | 过成康 | A kind of automatic constant temperature control circuit with self-protection function |
| CN107491120A (en) * | 2017-08-11 | 2017-12-19 | 过成康 | A kind of low cost, high-precision temperature automatic control system |
| CN110831264A (en) * | 2019-10-29 | 2020-02-21 | 浙江奇翼特种服装有限公司 | Carbon fiber heating shoes |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2137864Y (en) * | 1992-08-25 | 1993-07-14 | 哈尔滨市兴华电器厂 | Automatic controlled temp rgulator |
| CN2160934Y (en) * | 1993-05-26 | 1994-04-06 | 陈非 | Electronic high and low temp alarm controller |
| CN2200196Y (en) * | 1994-06-21 | 1995-06-07 | 中国科学院沈阳计算技术研究所 | Temp. monitor |
| US6062483A (en) * | 1995-08-03 | 2000-05-16 | Meletio; Larry B. | Electronic thermostat |
| CN102968141A (en) * | 2012-11-28 | 2013-03-13 | 东莞市科力钢铁线材有限公司 | Novel temperature control device and application method thereof |
| CN203224868U (en) * | 2013-04-15 | 2013-10-02 | 成都瑞途电子有限公司 | Temperature monitoring controller applicable to computer |
-
2015
- 2015-10-26 CN CN201510698925.2A patent/CN105302195A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2137864Y (en) * | 1992-08-25 | 1993-07-14 | 哈尔滨市兴华电器厂 | Automatic controlled temp rgulator |
| CN2160934Y (en) * | 1993-05-26 | 1994-04-06 | 陈非 | Electronic high and low temp alarm controller |
| CN2200196Y (en) * | 1994-06-21 | 1995-06-07 | 中国科学院沈阳计算技术研究所 | Temp. monitor |
| US6062483A (en) * | 1995-08-03 | 2000-05-16 | Meletio; Larry B. | Electronic thermostat |
| CN102968141A (en) * | 2012-11-28 | 2013-03-13 | 东莞市科力钢铁线材有限公司 | Novel temperature control device and application method thereof |
| CN203224868U (en) * | 2013-04-15 | 2013-10-02 | 成都瑞途电子有限公司 | Temperature monitoring controller applicable to computer |
Non-Patent Citations (1)
| Title |
|---|
| LUIJUNLING: "《豆丁网》", 27 November 2011 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390748A (en) * | 2017-08-03 | 2017-11-24 | 过成康 | A kind of automatic constant temperature control circuit with self-protection function |
| CN107491120A (en) * | 2017-08-11 | 2017-12-19 | 过成康 | A kind of low cost, high-precision temperature automatic control system |
| CN110831264A (en) * | 2019-10-29 | 2020-02-21 | 浙江奇翼特种服装有限公司 | Carbon fiber heating shoes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105183035A (en) | Industrial temperature acquisition control circuit | |
| US20190003725A1 (en) | Hot water controller | |
| CN205193639U (en) | House environmental control system based on thing networking | |
| CN105302195A (en) | Temperature control device for agriculture and avocation production | |
| CN106598101A (en) | Constant-temperature control circuit | |
| CN105068575A (en) | An agricultural product cultivating constant temperature control circuit | |
| CN105302189A (en) | Greenhouse-used low-power consumption temperature control device | |
| CN105094175A (en) | Agriculture automation cultivation temperature control circuit | |
| CN106604481A (en) | LED linear constant current soft start drive circuit | |
| CN206557626U (en) | A kind of smart electronicses temperature controller | |
| CN105388935A (en) | Thermostatic control apparatus for fowl egg hatching | |
| CN204256501U (en) | A kind of potted landscape growing environment automatic detection and control system | |
| CN108052096A (en) | A kind of water pump burn-out-proof detects control circuit | |
| CN105446375A (en) | Agricultural irrigation water supply water tank anti-overflow control circuit | |
| CN202503988U (en) | Automatic spray irrigation controller based on transistors | |
| CN206640831U (en) | A kind of LED linear constant current soft start drive circuit | |
| CN203413716U (en) | Heating control system based on single-chip microcomputer | |
| CN203535459U (en) | Multifunctional controller for socket | |
| CN105165565A (en) | Planting field automatic sprinkling irrigation control circuit | |
| CN206741340U (en) | Combing machine temperature control circuit | |
| CN107272772A (en) | A kind of low energy consumption, automatic constant temperature control circuit | |
| CN205233039U (en) | Automatic irrigation system of plant | |
| CN105764203A (en) | LED driving circuit with adjustable color temperature | |
| CN107255953A (en) | A kind of water-feed automation control circuit | |
| CN205594469U (en) | A humidifying circuit for controlling seedling humidity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160203 |