CN102591380A - Agricultural dual-limit temperature controller - Google Patents
Agricultural dual-limit temperature controller Download PDFInfo
- Publication number
- CN102591380A CN102591380A CN2012100461812A CN201210046181A CN102591380A CN 102591380 A CN102591380 A CN 102591380A CN 2012100461812 A CN2012100461812 A CN 2012100461812A CN 201210046181 A CN201210046181 A CN 201210046181A CN 102591380 A CN102591380 A CN 102591380A
- Authority
- CN
- China
- Prior art keywords
- circuit
- limit temperature
- pin
- time base
- temperature controller
- 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
Images
Abstract
The invention belongs to the fields of electronic technology and temperature control technology, and relates to an agricultural dual-limit temperature controller. The dual-limit temperature controller comprises a 6V DC (direct current) power supply, an upper limit and lower limit temperature detection circuit, a bistable circuit, a relay control circuit and a working state indicating circuit, wherein the type of a time-base circuit IC1 in the bistable circuit is NE555. The core of the agricultural dual-limit temperature controller provided by the invention is a bistable circuit; and the agricultural dual-limit temperature controller is suitable for the poultry incubation, artificial breeding, strain culture and the like of farmers. The temperature control range is from 15 DEG C to 45 DEG C, and the constant-temperature precision reaches +/-1 DEG C. The agricultural dual-limit temperature controller provided by the invention can be developed as an independent product and used as an updating device for temperature control of an indigenous-method brooding box of a farmer, and also can be developed in a matching manner as a part of an incubator.
Description
Technical field
The invention belongs to electronic technology and temperature control technology field, is about a kind of agricultural pair of limit temperature controller; It is applicable to operations such as rural area poultry hatching, edible fungus species cultivation, artificial breeding.
Background technology
The rural area poultry hatching exists hatches that the temperature inside the box is wayward, incubation rate is lower, the defectives such as cost height, labour intensity are big, disaster hidden-trouble of brooding.Therefore, develop that a kind of circuit structure is simple, reliable working performance, low preparation cost, incubator electronics automatic constant-temperature controller easy to install be necessary.This pair limit temperature controller can be widely used in work such as poultry hatches, edible fungus species cultivation, artificial breeding, and these work in the past that can effectively solve receive environment temperature, the artificial influence of taking care of factor such as untimely.
This pair limit temperature controller is applicable to that peasant household's individuality is engaged in work such as poultry hatching, artificial breeding, bacterial classification cultivation.Temperature controlling range: 15 ℃～45 ℃, the constant temperature precision reaches ± and 1 ℃.Technical scheme of the present invention both can be used as independent product and had developed, and both can be used as upgrading, the replacement device of peasant household's local method Brooding cases control temperature, and the configuration groups that also can be used as incubator is incorporated into carries out supporting exploitation in the case.
Below specify this agricultural pair of relevant technologies that the limit temperature controller relates in manufacturing process.
Summary of the invention
Goal of the invention and beneficial effect: agricultural pair of its core of limit temperature controller of the present invention is a bistable circuit, and this pair limit temperature controller is applicable to that peasant household's individuality is engaged in work such as poultry hatching, artificial breeding, bacterial classification cultivation.Temperature controlling range: 15 ℃～45 ℃, the constant temperature precision reaches ± and 1 ℃.Technical scheme of the present invention both can be used as independent product and had developed, and both can be used as upgrading, the replacement device of peasant household's local method Brooding cases control temperature, and the configuration groups that also can be used as incubator is incorporated into carries out supporting exploitation in the case.
The circuit working principle: the core of agricultural pair of limit temperature controller is a bistable circuit.This pair limit temperature controller is adjusted potentiometer RP1 and RP2 and relay control executive circuit by thermistor Rt1 and Rt2, time base circuit IC1, temperature range and is formed; Thermistor Rt1 is that ceiling temperature detects resistance; Potentiometer RP1 is the design temperature regulator potentiometer; Thermistor Rt2 is that lower limit temperature detects resistance, and potentiometer RP2 is the design temperature regulator potentiometer.When temperature descends, when the 2nd pin current potential of time base circuit IC1 is lower than 1/3 direct supply, the 3rd pin of time base circuit IC1 output high level, the relay J adhesive, red light emitting diodes LED2 lights, and " electric heater " begins heating.When temperature raises and when making the 6th pin current potential of time base circuit IC1 be higher than 2/3 direct supply; The 3rd pin output low level of time base circuit time base circuit IC1; Relay J discharges, and the power supply that breaks off " electric heater " stops heating, and green LED LED1 lights simultaneously.
Technical scheme: agricultural pair of limit temperature controller, comprise 6V direct supply, the upper limit and lower limit temperature testing circuit and bistable circuit, control relay circuit and duty indicating circuit, it is characterized in that:
The upper limit and lower limit temperature testing circuit and bistable circuit: form by thermistor Rt1 and the timely basic IC circuit 1 of trimmer potentiometer RP1, thermistor Rt2 and trimmer potentiometer RP2; The model that time base circuit IC1 selects for use is NE555; The 6th pin of the termination time base circuit IC1 of the end of thermistor Rt1 and trimmer potentiometer RP1; The anodal VCC of the other end connection circuit of thermistor Rt1, the other end of trimmer potentiometer RP1 and lever arm connection circuit ground GND thereof, the 2nd pin of the termination time base circuit IC1 of the end of thermistor Rt2 and trimmer potentiometer RP2; The anodal VCC of the other end connection circuit of thermistor Rt2; The other end of trimmer potentiometer RP2 and lever arm connection circuit ground GND thereof, the anodal VCC of the 4th pin of time base circuit IC1 and the 8th pin connection circuit, the 1st pin connection circuit ground GND of time base circuit IC1;
Control relay circuit: form by time base circuit IC1, relay J and silicon rectifier diode D1; The 3rd pin of time base circuit IC1 is succeeded an end of electrical equipment J coil and the negative pole of silicon rectifier diode D1, the anodal connection circuit ground GND of the other end of relay J coil and silicon rectifier diode D1.
The positive pole of 6V direct supply links to each other with circuit anode VCC, the negative pole connection circuit ground GND of 6V direct supply.
Duty indicating circuit: by green LED LED1 and resistance R 1; Red light emitting diodes LED2 and resistance R 2 are formed; The anodal VCC of the anodal connection circuit of green LED LED1, the end of the negative pole connecting resistance R1 of green LED LED1, the 3rd pin of a termination time base circuit IC1 of the other end of resistance R 1 and resistance R 2; The positive pole of another termination red light emitting diodes LED2 of resistance R 2, the negative pole connection circuit ground GND of red light emitting diodes LED2.
Description of drawings
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the present invention provides an agricultural pair of limit temperature controller.
Embodiment
Circuit working schematic diagram and description of drawings according to agricultural pair of limit temperature controller shown in the accompanying drawing 1; And according to the annexation between the components and parts in the described each several part circuit of summary of the invention, and the components and parts technical parameter described in the embodiment requires to implement to realize the present invention.
The selection of components and parts and technical parameter thereof
Rt1, Rt2 are the thermistor of negative temperature coefficient, and nominal resistance is 7.8K Ω;
IC1 is 555 time base circuits, and its model is selected NE555 for use, and 555 time base circuit IC1 are 8 pin DIP encapsulation, and each pin function: 1 pin is circuit ground; 2 pin are trigger end; 3 pin are output terminal; 4 pin are reset terminal; 5 pin are control voltage; 6 pin are thresholding (threshold value); 7 pin are discharge end; 8 pin connect positive source;
The resistance of resistance R 1, R2 is 470 Ω;
RP1, RP2 are the Linear fine tuning potentiometer, and its resistance is 16K Ω;
J is a direct current electromagnetic relay, and be called for short: relay, WV are 6V, and the working current of relay contact should be according to the selection of electric heater capacity size; Relay J has 5 pin, that is: the coil of relay has 2 pin, and 3 pin of power output are formed normally opened contact and normally closed contact respectively;
D1 is a silicon rectifier diode, and the model of selecting for use is 1N4001;
LED1 is a green LED, and LED2 is a red light emitting diodes;
The 6V direct supply can use the small-sized stabilized voltage supply of 6V.
Circuit production main points and circuit debugging explanation
Ceiling temperature adjustment: place desired ceiling temperature environment to thermistor Rt1; With thermometer monitoring of environmental temperature; After spending 1～2 minute, when treating that thermistor Rt1 and environment temperature reach thermal equilibrium, till many repeatedly adjusting trimmer potentiometer RP1 make green LED LED1 just luminous; Can be earlier with the 2nd pin of time base circuit IC1 and circuit ground short circuit once; Make the 3rd pin output high level of time base circuit IC1, that is: red light emitting diodes LED2 lights, and is convenient to observe circuit upset situation like this;
The lower limit temperature adjustment: adjustment trimmer potentiometer RP2 lights red light emitting diodes LED2; Also to adjust repeatedly several times; Can be earlier with the 6th pin of time base circuit IC1 and circuit anode VCC short circuit once, make the 3rd pin output low level of time base circuit IC1, so that observe circuit upset situation.
Claims (3)
1. agricultural pair of limit temperature controller comprises 6V direct supply, the upper limit and lower limit temperature testing circuit and bistable circuit, control relay circuit and duty indicating circuit, it is characterized in that:
The upper limit and lower limit temperature testing circuit and bistable electro route thermistor Rt1 and trimmer potentiometer RP1, thermistor Rt2 and trimmer potentiometer RP2 are timely, and basic IC circuit 1 is formed; The model that time base circuit IC1 selects for use is NE555; The 6th pin of the termination time base circuit IC1 of the end of thermistor Rt1 and trimmer potentiometer RP1; The anodal VCC of the other end connection circuit of thermistor Rt1, the other end of trimmer potentiometer RP1 and lever arm connection circuit ground GND thereof, the 2nd pin of the termination time base circuit IC1 of the end of thermistor Rt2 and trimmer potentiometer RP2; The anodal VCC of the other end connection circuit of thermistor Rt2; The other end of trimmer potentiometer RP2 and lever arm connection circuit ground GND thereof, the anodal VCC of the 4th pin of time base circuit IC1 and the 8th pin connection circuit, the 1st pin connection circuit ground GND of time base circuit IC1;
Control relay circuit is made up of time base circuit IC1, relay J and silicon rectifier diode D1; The 3rd pin of time base circuit IC1 is succeeded an end of electrical equipment J coil and the negative pole of silicon rectifier diode D1, the anodal connection circuit ground GND of the other end of relay J coil and silicon rectifier diode D1.
2. agricultural pair of limit temperature controller according to claim 1 is characterized in that: the positive pole of 6V direct supply links to each other with circuit anode VCC, the negative pole connection circuit ground GND of 6V direct supply.
3. agricultural pair of limit temperature controller according to claim 1; It is characterized in that: the duty indicating circuit is by green LED LED1 and resistance R 1; Red light emitting diodes LED2 and resistance R 2 are formed; The anodal VCC of the anodal connection circuit of green LED LED1, the end of the negative pole connecting resistance R1 of green LED LED1, the 3rd pin of a termination time base circuit IC1 of the other end of resistance R 1 and resistance R 2; The positive pole of another termination red light emitting diodes LED2 of resistance R 2, the negative pole connection circuit ground GND of red light emitting diodes LED2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100461812A CN102591380A (en) | 2012-02-28 | 2012-02-28 | Agricultural dual-limit temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100461812A CN102591380A (en) | 2012-02-28 | 2012-02-28 | Agricultural dual-limit temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102591380A true CN102591380A (en) | 2012-07-18 |
Family
ID=46480199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100461812A Pending CN102591380A (en) | 2012-02-28 | 2012-02-28 | Agricultural dual-limit temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102591380A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867452A (en) * | 2016-04-30 | 2016-08-17 | 杨明 | Circuit structure for greenhouse temperature control |
| CN106444900A (en) * | 2016-12-01 | 2017-02-22 | 重庆依凯科技有限公司 | Upper temperature limit and lower temperature limit control circuit applied to temperature control circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091471U (en) * | 1991-05-31 | 1991-12-25 | 宫伟国 | Automatic constant temp. controller |
| CN201341996Y (en) * | 2008-12-24 | 2009-11-11 | 深圳市宝安区人民医院 | Newborn baby movable heat-preservation bag and baby carriage thereof |
| CN102063136A (en) * | 2010-11-23 | 2011-05-18 | 黄勇 | Refrigerator intermittent temperature controller manufactured by using time base circuit |
| CN102411383A (en) * | 2011-10-27 | 2012-04-11 | 黄勇 | Thermostat controller manufactured by 555 time-base circuit |
-
2012
- 2012-02-28 CN CN2012100461812A patent/CN102591380A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091471U (en) * | 1991-05-31 | 1991-12-25 | 宫伟国 | Automatic constant temp. controller |
| CN201341996Y (en) * | 2008-12-24 | 2009-11-11 | 深圳市宝安区人民医院 | Newborn baby movable heat-preservation bag and baby carriage thereof |
| CN102063136A (en) * | 2010-11-23 | 2011-05-18 | 黄勇 | Refrigerator intermittent temperature controller manufactured by using time base circuit |
| CN102411383A (en) * | 2011-10-27 | 2012-04-11 | 黄勇 | Thermostat controller manufactured by 555 time-base circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867452A (en) * | 2016-04-30 | 2016-08-17 | 杨明 | Circuit structure for greenhouse temperature control |
| CN106444900A (en) * | 2016-12-01 | 2017-02-22 | 重庆依凯科技有限公司 | Upper temperature limit and lower temperature limit control circuit applied to temperature control circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102411383A (en) | Thermostat controller manufactured by 555 time-base circuit | |
| CN207184872U (en) | Cultivate Lighting Control Assembly | |
| CN102183980A (en) | Temperature control timer prepared from time-base circuit | |
| CN102591380A (en) | Agricultural dual-limit temperature controller | |
| CN105068575A (en) | An agricultural product cultivating constant temperature control circuit | |
| CN202257317U (en) | Thermostat controller manufactured by using 555 time-base circuit | |
| CN103049019A (en) | Agricultural upper and lower temperature limit control device | |
| CN207184871U (en) | Cultivate Lighting Control Assembly | |
| CN203838574U (en) | Incubator maximum and minimum temperature controlling prompting apparatus | |
| CN110519891A (en) | A kind of breeding layer chicken illumination control method and system | |
| CN207589645U (en) | The automatic cycle breeding apparatus that a kind of plant factor uses | |
| CN202995495U (en) | Temperature controller | |
| CN106919201A (en) | Booth vegetable（Cucumber）Automatic Temperature Control | |
| CN102411385A (en) | Time-based circuit temperature control timer | |
| CN202394140U (en) | Time-base circuit temperature control timer | |
| CN202394138U (en) | Controller for agricultural incubator | |
| CN204288011U (en) | A kind of Automatic Temperature Control of fresh milk disinfection equipment | |
| CN102096427B (en) | Automatic light supplementing control device for hen house | |
| CN102595745A (en) | Automatic supplementary illumination controller for chicken farm | |
| CN103776551A (en) | Device for controlling and reminding maximum temperature and minimum temperature of incubator | |
| CN207428222U (en) | Solar automatic temperature-control tropical fish fish jar | |
| Bari et al. | Development of Smart Egg Incubator | |
| CN201917837U (en) | Automatic light supplementing control device for chicken house | |
| CN103533725A (en) | Intelligent controller for controlling on-off of fill light for greenhouse plants | |
| CN210639475U (en) | Agricultural breeding environment controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |