CN105094175A - Agriculture automation cultivation temperature control circuit - Google Patents
Agriculture automation cultivation temperature control circuit Download PDFInfo
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- CN105094175A CN105094175A CN201510508212.5A CN201510508212A CN105094175A CN 105094175 A CN105094175 A CN 105094175A CN 201510508212 A CN201510508212 A CN 201510508212A CN 105094175 A CN105094175 A CN 105094175A
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Abstract
The invention discloses an agriculture automation cultivation temperature control circuit which comprises a power supply circuit, a temperature/ventilation control circuit, an automatic egg-turning circuit and a temperature indication circuit. The power supply circuit is formed by a power switch, a power transformer, a rectifier bridge pile, capacitors, a current-limiting resistor and a voltage-regulator diode; the temperature/ventilation control circuit is formed by transistors, resistors, potentiometers, an operational amplifier integrated circuit, a relay, a diode, a fan motor and a heater; the automatic egg-turning circuit is formed by resistors, a potentiometer, capacitors, a time-base integrated circuit, a transistor, a diode, a relay, a limit switch, a trigger switch and a DC motor; and the temperature indication circuit is formed by a digital temperature display panel and a peripheral circuit. The agriculture automation cultivation temperature control circuit has the advantages of being reasonable in structure design, high in automation degree, convenient to operate, accurate to control, small in energy consumption and low in production cost, and can be widely applied to various cultivation farms for industries of hatching, greenhouse cultivation, aquiculture and the like.
Description
Technical field
The invention belongs to agricultural automation control technology field, be specifically related to a kind of agricultural automation cultivation temperature-control circuit.
Background technology
Poultry hatching is a complicated biological process, reasonably controls incubation temperature, can not only improve chickling-surviving rate, but also can improve young fowl quality.At present, then China has two kinds of opinions about poultry to temperature, and one advocates Hatchability; One adopts Constant temperature hatch.These two kinds hatchings, to warm mode, can obtain very high hatchability, and for the ease of operation, we generally adopt Constant temperature hatch.For common agriculture family, some are for hatching the temperature controller too complex of breeding, and a lot of people not too understands wherein corrrect usage, to such an extent as to causes unnecessary loss.
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, provide a kind of reasonable in design, automaticity is high, has easy to operate, precise control, energy consumption is little, cost of manufacture is low agricultural automation cultivation temperature-control circuit.
Technical scheme: a kind of agricultural automation cultivation temperature-control circuit of the present invention, comprise power circuit, temperature/Ventilation Control circuit, automatic egg turning circuit and temperature indicator circuit, described power circuit is made up of power switch S3, power transformer T, rectifier bridge stack UR and capacitor C2-C4, current-limiting resistor Rl2 and voltage stabilizing diode VS, the output of described rectifier bridge stack UR is connected to capacitor C3 and C4, and described capacitor C3 is connected to capacitor C2 and voltage stabilizing diode VS by current-limiting resistor Rl2, described temperature/Ventilation Control circuit is made up of transistor Vl, V2, resistor Rl-Rll, potentiometer RPl-RP5, operational amplifier integrated circuit lCl (Nl-N3), relay K l, diode VDl, fan motor Ml and well heater EH, and wherein the Nl of Vl, Cl, Rl-R6, RPl, RP2 and ICl inside forms temperature detection control circuit, N3, V2 and VDl of R7, R10, R11, RP3, ICl inside form the Drive and Control Circuit of Kl, resistor R8, RP4, the N2 of RP5 and ICl inside forms buffer amplifier circuit, 13 pin of the Nl of described ICl inside are connected with potentiometer RP2 and resistor R4, described potentiometer RP2 is also connected with resistor R6, described resistor R4 is connected with resistor R1, R2 and transistor Vl, 12 pin of the Nl of described ICl inside are connected with the resistor R5 of series connection, potentiometer RP1 and resistor R3, output terminal 14 pin of the Nl of described ICl inside is connected with 5 pin of the N3 of ICl inside by resistor R7, 7 pin of the N3 of described ICl inside are connected with resistor R10, described resistor R10 is also connected with resistor R11 and transistor V2, the collector of described transistor V2 is connected with relay K 1 parallel with one another and diode VDl, 6 pin of the N3 of described ICl inside are connected with 8 pin of the N2 of ICl inside by resistor R9, 10 pin of the N2 of described ICl inside are connected with potentiometer RP4 and resistor R8, be connected in described power circuit after the Closing Switch K1 of described relay K l is connected with fan motor Ml and well heater EH, automatic egg turning circuit is made up of resistor Rl3-R16, potentiometer RP6, capacitor C7-C9, time-base integrated circuit IC2, transistor V3, diode VD2, relay K 2, limit switch Sl, trigger switch K1 and direct current motor M2, wherein IC2 and peripheral Resistor-Capacitor Unit composition astable circuit, V3 and Rl3, R14, VD2, K2 and Sl form the control circuit of M2, and described temperature indicator circuit is made up of digital temperature display board and peripheral circuit.
Further, 2 pin of described time-base integrated circuit IC2, switch S 4 parallel with one another and resistor R16 is connected with between 6 pin and 7 pin, 2 pin of described time-base integrated circuit IC2, capacitor C7 is connected with between 6 pin and 1 pin, potentiometer RP6 and resistor R15 is connected with between 7 pin of described time-base integrated circuit IC2 and 8 pin, 5 pin of described time-base integrated circuit IC2 are connected with capacitor C8, 3 pin of described time-base integrated circuit IC2 are connected with transistor V3 by resistor R13, the collector of described transistor V3 is connected with relay K 2 parallel with one another and diode VD2, described transistor V3 emitter be connected with resistor R14, described resistor R14 and relay K 2 are also connected with limit switch Sl, trigger switch K1, described limit switch Sl is also connected with direct current motor M2 and electric capacity C9.
Further, described digital temperature display board is connected to electric capacity C5, C6 and resistor R17, described resistor R17 is connected with A, B two-end-point by selector switch S2, described A end points is connected with 14 pin of the N1 of ICl inside by potentiometer RP3, and described B end points is connected with 9 pin of the N2 of ICl inside by potentiometer RP5.
Further, described resistor Rl-R17 all selects 1/4W carbon film resistor or metal film resistor; Potentiometer RPl-RP5 selects high-quality to synthesize membrane potentiometer or multiturn potentiometer; Potentiometer RP6 selects organic solid potentiometer.
Further, described capacitor Cl, C4-C6 and C8 all select monolithic capacitor; C2, C3 and C7 all select withstand voltage to be the electrolytic condenser of 16V.
Further, described diode VDl and VD2 all selects 1N4007 type silicon rectifier diode; Voltage stabilizing diode VS selects the voltage stabilizing diode of 1/2W, 5V; Transistor Vl selects 3DG6 type silicon NPN transistor; Transistor V2 selects S9013, C8050 or 3DGl2 type NPN transistor; Transistor V3 selects C8550 or 3CG8550 type PNP transistor.
Further, described rectifier bridge stack UR selects the rectifier bridge stack of 1-2A, 5OV.
Further, described operational amplifier integrated circuit (IC) l selects LM324 type operation amplifier integrated circuit; Time-base integrated circuit IC2 selects NE555 type time-base integrated circuit.
Further, described relay K l and K2 selects KKR-l3F type 9V DC relay; Fan motor Ml selects the small-sized fans motor of 2OW.
Further, described limit switch S1 selects bipolar dibit microswitch; S2 selects one pole dibit switch; S3 selects the power switch of 10A, 220V; S4 selects high-sensitive inching switch.
Beneficial effect: reasonable in design of the present invention, automaticity is high, has easy to operate, precise control, energy consumption is little, cost of manufacture is low advantage, can be widely used in the industries such as all kinds of plant carries out hatching, greenhouse cultivation, aquaculture and use.
Accompanying drawing explanation
Fig. 1 is control circuit principle assumption diagram of the present invention.
Embodiment
A kind of agricultural automation cultivation temperature-control circuit as shown in Figure 1, comprise power circuit, temperature/Ventilation Control circuit, automatic egg turning circuit and temperature indicator circuit, described power circuit is made up of power switch S3, power transformer T, rectifier bridge stack UR and capacitor C2-C4, current-limiting resistor Rl2 and voltage stabilizing diode VS, the output of described rectifier bridge stack UR is connected to capacitor C3 and C4, and described capacitor C3 is connected to capacitor C2 and voltage stabilizing diode VS by current-limiting resistor Rl2.
Described temperature/Ventilation Control circuit is made up of transistor Vl, V2, resistor Rl-Rll, potentiometer RPl-RP5, operational amplifier integrated circuit lCl (Nl-N3), relay K l, diode VDl, fan motor Ml and well heater EH, and wherein the Nl of Vl, Cl, Rl-R6, RPl, RP2 and ICl inside forms temperature detection control circuit, N3, V2 and VDl of R7, R10, R11, RP3, ICl inside form the Drive and Control Circuit of Kl, resistor R8, RP4, the N2 of RP5 and ICl inside forms buffer amplifier circuit, 13 pin of the Nl of described ICl inside are connected with potentiometer RP2 and resistor R4, described potentiometer RP2 is also connected with resistor R6, described resistor R4 is connected with resistor R1, R2 and transistor Vl, 12 pin of the Nl of described ICl inside are connected with the resistor R5 of series connection, potentiometer RP1 and resistor R3, output terminal 14 pin of the Nl of described ICl inside is connected with 5 pin of the N3 of ICl inside by resistor R7, 7 pin of the N3 of described ICl inside are connected with resistor R10, described resistor R10 is also connected with resistor R11 and transistor V2, the collector of described transistor V2 is connected with relay K 1 parallel with one another and diode VDl, 6 pin of the N3 of described ICl inside are connected with 8 pin of the N2 of ICl inside by resistor R9, 10 pin of the N2 of described ICl inside are connected with potentiometer RP4 and resistor R8, be connected in described power circuit after the Closing Switch K1 of described relay K l is connected with fan motor Ml and well heater EH.
Automatic egg turning circuit is made up of resistor Rl3-R16, potentiometer RP6, capacitor C7-C9, time-base integrated circuit IC2, transistor V3, diode VD2, relay K 2, limit switch Sl, trigger switch K1 and direct current motor M2, wherein IC2 and peripheral Resistor-Capacitor Unit composition astable circuit; V3 and Rl3, R14, VD2, K2 and Sl form the control circuit of M2.2 pin of described time-base integrated circuit IC2, switch S 4 parallel with one another and resistor R16 is connected with between 6 pin and 7 pin, 2 pin of described time-base integrated circuit IC2, capacitor C7 is connected with between 6 pin and 1 pin, potentiometer RP6 and resistor R15 is connected with between 7 pin of described time-base integrated circuit IC2 and 8 pin, 5 pin of described time-base integrated circuit IC2 are connected with capacitor C8, 3 pin of described time-base integrated circuit IC2 are connected with transistor V3 by resistor R13, the collector of described transistor V3 is connected with relay K 2 parallel with one another and diode VD2, described transistor V3 emitter be connected with resistor R14, described resistor R14 and relay K 2 are also connected with limit switch Sl, trigger switch K1, described limit switch Sl is also connected with direct current motor M2 and electric capacity C9.
Described temperature indicator circuit is made up of digital temperature display board and peripheral circuit.Described digital temperature display board is connected to electric capacity C5, C6 and resistor R17, described resistor R17 is connected with A, B two-end-point by selector switch S2, described A end points is connected with 14 pin of the N1 of ICl inside by potentiometer RP3, and described B end points is connected with 9 pin of the N2 of ICl inside by potentiometer RP5.
Further, described resistor Rl-R17 all selects 1/4W carbon film resistor or metal film resistor; Potentiometer RPl-RP5 selects high-quality to synthesize membrane potentiometer or multiturn potentiometer; Potentiometer RP6 selects organic solid potentiometer.Described capacitor Cl, C4-C6 and C8 all select monolithic capacitor; C2, C3 and C7 all select withstand voltage to be the electrolytic condenser of 16V.Described diode VDl and VD2 all selects 1N4007 type silicon rectifier diode; Voltage stabilizing diode VS selects the voltage stabilizing diode of 1/2W, 5V; Transistor Vl selects 3DG6 type silicon NPN transistor; Transistor V2 selects S9013, C8050 or 3DGl2 type NPN transistor; Transistor V3 selects C8550 or 3CG8550 type PNP transistor.Described rectifier bridge stack UR selects the rectifier bridge stack of 1-2A, 5OV.Described operational amplifier integrated circuit (IC) l selects LM324 type operation amplifier integrated circuit; Time-base integrated circuit IC2 selects NE555 type time-base integrated circuit.Described relay K l and K2 selects KKR-l3F type 9V DC relay; Fan motor Ml selects the small-sized fans motor of 2OW.Described limit switch S1 selects bipolar dibit microswitch; S2 selects one pole dibit switch; S3 selects the power switch of 10A, 220V; S4 selects high-sensitive inching switch.
The course of work of the present invention is:
Switch on power switch S 3, and alternating current 220V voltage, after T step-down, UR rectification, C3 and C4 filtering, produces+9V operating voltage, supplies the Drive and Control Circuit of Kl, buffer amplifier circuit and automatic egg turning circuit.+ 9V voltage also after the step-down of Rl2 current limliting, C2 filtering and VS voltage stabilizing, for temperature detection control circuit provides+5V operating voltage.
Vl, as temperature sensor, is used for detecting the temperature in incubator, and its emitter junction (between b, e pole) voltage declines along with the rising of temperature (temperature coefficient is for-2mV/ DEG C).RP4 is used for setup control temperature.
Environment temperature in incubator cry lower than R setup control temperature time, amplifier Nl and N3 exports high level, makes V2 saturation conduction, and Kl is energized adhesive, and its normally open contact is connected, and fan motor Ml and well heater EH is energized work.When environment temperature in incubator exceedes the control temperature of setting, the equal output low level of amplifier Nl and N3, makes V2 end, and Kl discharges, and its normally open contact disconnects, and fan motor Ml and well heater EH quits work.This process is gone round and begun again, and makes temperature constant in incubator be the temperature set.
Connect moment at power supply, because C7 both end voltage can not be suddenlyd change, 2 pin of IC2 and 6 pin are low level, and 3 pin export high level, and V3 ends, and m is in release conditions, and M2 does not work.C7 is by R16, RP6 and Rl5 charging subsequently, makes 2 pin of IC2 and the current potential of 6 pin increase gradually.When C7 both end voltage is charged to more than 6V (about 2h), circuit upset in IC2,3 pin become low level, make V3 conducting, m is energized adhesive, and its normally open contact is connected, and M2 is energized and rotates, by deceleration and draw-gear, the incubation plate putting incubated egg is tilted toward a direction, complete egg-turning action.
When incubation plate tilts to certain angle (about 70 °), it is logical that the trigger mechanism be arranged on deceleration traction wheel makes the normally open contact of S1 hold in both hands, and normally closed interlock disconnects, the electric power polarity be added on M2 is changed, draw simultaneously and connect instantaneously, make the discharge output circuit work of the 7 pin inside of IC2, C7 rapid discharge, when C7 both end voltage voltage is lower than 3V, 3 pin of lC2 become high level, and V3 is ended, and K2 discharges, its normally open contact disconnects, and M2 is stopped operating.C7 is slowly charged by R16, RP6 and Rl5 again subsequently, when C7 both end voltage is charged to more than 6V, in IC2, circuit overturns again, 3 pin output low levels, just V3 conducting, energising adhesive of burning, its normally open contact is connected, M2 is energized rotate, by deceleration and draw-gear, the incubation plate putting incubated egg is tilted toward reverse direction, complete egg-turning action.
When incubation plate tilts to certain angle, the trigger mechanism be arranged on deceleration traction wheel makes again the normally open contact of S1 disconnect, and normally closed interlock is connected, the electric power polarity be added on M2 is changed, S4 is triggered again and connects simultaneously, makes the discharge output circuit work of IC2 the 7th pin inside, C7 rapid discharge, when C7 both end voltage voltage is lower than 3V, 3 pin of IC2 become high level, and V3 is ended, and K2 discharges, its normally open contact disconnects, and M2 is stopped operating again.
The above course of work is carried out again and again, can realize every 2h automatic egg turning once.Regulate the resistance of RPl and RP2, the temperature variant slope of voltage on Vl emitter junction can be changed.Regulate the resistance of RP3 and RP5, the accuracy of adjustable displays temperature.Regulate the resistance of RP6, the time of automatic egg turning can be changed.
Digital temperature display board is used for showing the temperature in incubator and design temperature.When Temperature displaying switch S2 is placed in A position, be used for showing the temperature in incubator; When Temperature displaying switch S2 is placed in B position, be used for the control temperature of display setting.
Reasonable in design of the present invention, automaticity is high, has easy to operate, precise control, energy consumption is little, cost of manufacture is low advantage, can be widely used in the industries such as all kinds of plant carries out hatching, greenhouse cultivation, aquaculture and use.
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 automation cultivation temperature-control circuit, it is characterized in that: comprise power circuit, temperature/Ventilation Control circuit, automatic egg turning circuit and temperature indicator circuit, described power circuit is made up of power switch S3, power transformer T, rectifier bridge stack UR and capacitor C2-C4, current-limiting resistor Rl2 and voltage stabilizing diode VS, the output of described rectifier bridge stack UR is connected to capacitor C3 and C4, and described capacitor C3 is connected to capacitor C2 and voltage stabilizing diode VS by current-limiting resistor Rl2, described temperature/Ventilation Control circuit is made up of transistor Vl, V2, resistor Rl-Rll, potentiometer RPl-RP5, operational amplifier integrated circuit lCl (Nl-N3), relay K l, diode VDl, fan motor Ml and well heater EH, and wherein the Nl of Vl, Cl, Rl-R6, RPl, RP2 and ICl inside forms temperature detection control circuit, N3, V2 and VDl of R7, R10, R11, RP3, ICl inside form the Drive and Control Circuit of Kl, resistor R8, RP4, the N2 of RP5 and ICl inside forms buffer amplifier circuit, 13 pin of the Nl of described ICl inside are connected with potentiometer RP2 and resistor R4, described potentiometer RP2 is also connected with resistor R6, described resistor R4 is connected with resistor R1, R2 and transistor Vl, 12 pin of the Nl of described ICl inside are connected with the resistor R5 of series connection, potentiometer RP1 and resistor R3, output terminal 14 pin of the Nl of described ICl inside is connected with 5 pin of the N3 of ICl inside by resistor R7, 7 pin of the N3 of described ICl inside are connected with resistor R10, described resistor R10 is also connected with resistor R11 and transistor V2, the collector of described transistor V2 is connected with relay K 1 parallel with one another and diode VDl, 6 pin of the N3 of described ICl inside are connected with 8 pin of the N2 of ICl inside by resistor R9, 10 pin of the N2 of described ICl inside are connected with potentiometer RP4 and resistor R8, be connected in described power circuit after the Closing Switch K1 of described relay K l is connected with fan motor Ml and well heater EH, automatic egg turning circuit is made up of resistor Rl3-R16, potentiometer RP6, capacitor C7-C9, time-base integrated circuit IC2, transistor V3, diode VD2, relay K 2, limit switch Sl, trigger switch K1 and direct current motor M2, wherein IC2 and peripheral Resistor-Capacitor Unit composition astable circuit, V3 and Rl3, R14, VD2, K2 and Sl form the control circuit of M2, and described temperature indicator circuit is made up of digital temperature display board and peripheral circuit.
2. a kind of agricultural automation cultivation temperature-control circuit according to claim 1, it is characterized in that: 2 pin of described time-base integrated circuit IC2, switch S 4 parallel with one another and resistor R16 is connected with between 6 pin and 7 pin, 2 pin of described time-base integrated circuit IC2, capacitor C7 is connected with between 6 pin and 1 pin, potentiometer RP6 and resistor R15 is connected with between 7 pin of described time-base integrated circuit IC2 and 8 pin, 5 pin of described time-base integrated circuit IC2 are connected with capacitor C8, 3 pin of described time-base integrated circuit IC2 are connected with transistor V3 by resistor R13, the collector of described transistor V3 is connected with relay K 2 parallel with one another and diode VD2, described transistor V3 emitter be connected with resistor R14, described resistor R14 and relay K 2 are also connected with limit switch Sl, trigger switch K1, described limit switch Sl is also connected with direct current motor M2 and electric capacity C9.
3. a kind of agricultural automation cultivation temperature-control circuit according to claim 1, it is characterized in that: described digital temperature display board is connected to electric capacity C5, C6 and resistor R17, described resistor R17 is connected with A, B two-end-point by selector switch S2, described A end points is connected with 14 pin of the N1 of ICl inside by potentiometer RP3, and described B end points is connected with 9 pin of the N2 of ICl inside by potentiometer RP5.
4. a kind of agricultural automation cultivation temperature-control circuit according to claim 1, is characterized in that: described resistor Rl-R17 all selects 1/4W carbon film resistor or metal film resistor; Potentiometer RPl-RP5 selects high-quality to synthesize membrane potentiometer or multiturn potentiometer; Potentiometer RP6 selects organic solid potentiometer.
5. a kind of agricultural automation cultivation temperature-control circuit according to claim 1, is characterized in that: described capacitor Cl, C4-C6 and C8 all select monolithic capacitor; C2, C3 and C7 all select withstand voltage to be the electrolytic condenser of 16V.
6. a kind of agricultural automation cultivation temperature-control circuit according to claim 1, is characterized in that: described diode VDl and VD2 all selects 1N4007 type silicon rectifier diode; Voltage stabilizing diode VS selects the voltage stabilizing diode of 1/2W, 5V; Transistor Vl selects 3DG6 type silicon NPN transistor; Transistor V2 selects S9013, C8050 or 3DGl2 type NPN transistor; Transistor V3 selects C8550 or 3CG8550 type PNP transistor.
7. a kind of agricultural automation cultivation temperature-control circuit according to claim 1, is characterized in that: described rectifier bridge stack UR selects the rectifier bridge stack of 1-2A, 5OV.
8. a kind of agricultural automation cultivation temperature-control circuit according to claim 1, is characterized in that: described operational amplifier integrated circuit (IC) l selects LM324 type operation amplifier integrated circuit; Time-base integrated circuit IC2 selects NE555 type time-base integrated circuit.
9. a kind of agricultural automation cultivation temperature-control circuit according to claim 1, is characterized in that: described relay K l and K2 selects KKR-l3F type 9V DC relay; Fan motor Ml selects the small-sized fans motor of 2OW.
10. a kind of agricultural automation cultivation temperature-control circuit according to claim 1, is characterized in that: described limit switch S1 selects bipolar dibit microswitch; S2 selects one pole dibit switch; S3 selects the power switch of 10A, 220V; S4 selects high-sensitive inching switch.
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| CN201510508212.5A CN105094175A (en) | 2015-08-18 | 2015-08-18 | Agriculture automation cultivation temperature control circuit |
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| CN201510508212.5A CN105094175A (en) | 2015-08-18 | 2015-08-18 | Agriculture automation cultivation temperature control circuit |
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| CN105094175A true CN105094175A (en) | 2015-11-25 |
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Cited By (5)
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| CN105606248A (en) * | 2016-01-15 | 2016-05-25 | 芜湖市恒峰科技有限公司 | High-sensitivity and high-stability temperature detection and alarming device |
| CN106292779A (en) * | 2016-10-12 | 2017-01-04 | 四川森迪科技发展股份有限公司 | A kind of current adjustment driving temperature control system of couveuse ripple suppression |
| ES2637006R1 (en) * | 2016-04-07 | 2017-11-14 | Lander BERISTAIN URIZARBARRENA | Device for fuel management in diesel engines of electronic management |
| CN107422758A (en) * | 2016-05-23 | 2017-12-01 | 扬中市宏彬冷暖设备有限公司 | A kind of water warming blanket main frame potentiometer temperature-control circuit |
| CN110190730A (en) * | 2019-06-26 | 2019-08-30 | 江苏江淮动力有限公司 | A kind of generating set frequency converter |
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| CN110190730B (en) * | 2019-06-26 | 2020-03-20 | 江苏江淮动力有限公司 | Frequency converter for generator set |
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Application publication date: 20151125 |