CN204406235U - A kind of veterinary drug powder drier intelligent temperature control system - Google Patents
A kind of veterinary drug powder drier intelligent temperature control system Download PDFInfo
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- CN204406235U CN204406235U CN201420750420.7U CN201420750420U CN204406235U CN 204406235 U CN204406235 U CN 204406235U CN 201420750420 U CN201420750420 U CN 201420750420U CN 204406235 U CN204406235 U CN 204406235U
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Abstract
The utility model discloses a kind of veterinary drug powder drier intelligent temperature control system, comprise current rectifying and wave filtering circuit, testing circuit, temperature-control circuit and power failure warning circuit, current rectifying and wave filtering circuit comprises rectifier bridge T and electric capacity C1, testing circuit comprises thermistor RG and reometer A, temperature-control circuit comprises potentiometer RP1, relay K 1 and chip IC 1, and power failure warning circuit comprises unidirectional thyristor RT, loudspeaker B and light emitting diode T7.The utility model system adopts UA741 type high gain operational amplifier as temperature control original paper, MF51 type high-sensitivity thermosensitive resistance is used to sample original paper as temperature, add sensitivity and the response speed of temperature control system, the temperature in drying device can be controlled timely and effectively, Operation system setting cut-offing alarming circuit, when there is powering-off state, can send sound and light alarm signal, timely prompting producers take corresponding measure, greatly reduce the economic loss because the loss of power accident causes.
Description
Technical field
The utility model relates to a kind of temperature control system, specifically a kind of highly sensitive, precision is high, with the veterinary drug powder drier intelligent temperature control system of power alarm function.
Background technology
The drying of pulvis is the important step manufacturing veterinary drug pulvis, in order to ensure the quality of the veterinary drug pulvis produced, the temperature in device of must keeping dry constant, especially when winter, temperature was lower, thermal ataxia in drying device can have a strong impact on the quality of product, it is low to there is sensitivity in traditional temperature control system, the shortcomings such as corresponding speed is slow, and in temperature control circuit, there is the situation of power-off, temperature control system will lose efficacy, drying device internal temperature is caused to be lacked of proper care, and producers are not because know powering-off state, do not take corresponding measure in time, thus cause great economic loss.
Summary of the invention
The purpose of this utility model be to provide a kind of highly sensitive, precision is high, with the veterinary drug powder drier intelligent temperature control system of power alarm function, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of veterinary drug powder drier intelligent temperature control system, comprise current rectifying and wave filtering circuit, testing circuit, temperature-control circuit and power failure warning circuit, described current rectifying and wave filtering circuit comprises rectifier bridge T and electric capacity C1, described testing circuit comprises thermistor RG and reometer A, described temperature-control circuit comprises potentiometer RP1, relay K 1 and chip IC 1, and described power failure warning circuit comprises unidirectional thyristor RT, loudspeaker B and light emitting diode T7;
One end of electric capacity C1 connects 1 port of rectifier bridge T and the out secondary of transformer W, the other end of electric capacity C1 connects the other end of 3 ports of rectifier bridge T and the out secondary of transformer W, the primary side of transformer W connects the contact K1-1 of 220V line voltage and relay K 1, the other end of the primary side of transformer W connects 220V line voltage and well heater M, the other end of well heater M connects the other end of the contact K1-1 of relay K 1, 2 ports of rectifier bridge T connect the positive pole of diode T1, 4 ports of rectifier bridge T connect electric capacity C2 and ground connection, the other end contact resistance R1 of electric capacity C2, the negative pole of diode T1, the positive pole of diode T5 and relay K 1, the other end contact resistance R2 of resistance R1, electric capacity C3, the positive pole of diode T2, the negative pole of diode T3 and 1 pin of chip IC 1, the other end ground connection of electric capacity C3, the plus earth of diode T3, the other end contact resistance R3 of resistance R2, resistance R4, the negative pole of resistance R5 and diode T4, the plus earth of diode T4, the other end contact resistance R9 of resistance R3, the stiff end of potentiometer RP1, the other end of resistance R4, thermistor RG, 2 pins of chip IC 1 and 3 pins of chip IC 1, 4 pin contact resistance R10 of chip IC 1, resistance R11, thermistor RG, the positive pole of diode T6, the sliding end of potentiometer RP1, another stiff end of potentiometer RP1 and the collector of triode VT1 ground connection, 5 pin contact resistance R8 of chip IC 1, the other end of resistance R8 connects the negative pole of diode T6, the other end of the transmitter contact resistance R11 of triode VT1, the collector of triode VT1 connects the positive pole of diode T5 and the other end of relay K 1, the other end of resistance R19 connects reometer A, the other end of other end contact resistance R5 of reometer A and the other end of resistance R10, the positive pole contact resistance R6 of the positive pole of the negative pole connecting luminous diode T7 of diode T2 and the negative DC power supply E1 of direct supply E1, the emitter of resistance R7 and triode VT3, the collector of triode VT3 connects electric capacity C4, electric capacity C7, the emitter of loudspeaker B and triode VT1, the other end of loudspeaker B connects the anode of unidirectional thyristor RT, the negative pole of the negative electrode connecting luminous diode T7 of unidirectional thyristor RT, the other end of the control pole contact resistance R7 of unidirectional thyristor RT, the base stage of triode VT3 connects the collector of electric capacity C4 and triode VT1, the base stage of triode VT1 connects the stiff end of potentiometer RP2, the sliding end of potentiometer RP2 and the other end of resistance R6, another stiff end of potentiometer RP2 connects the other end of electric capacity C7, described chip IC 1 is UA741 type high gain operational amplifier, the model of thermistor RG is MF51.
As preferred version of the present utility model: the magnitude of voltage of described direct supply E1 is 5V.
As preferred version of the present utility model: the alternating current step-down of 220V is 12V by the turn ratio of the once secondary terminals of end and transformer W of described transformer W.
Compared with prior art, the beneficial effects of the utility model are: system adopts UA741 type high gain operational amplifier as temperature control original paper, MF51 type high-sensitivity thermosensitive resistance is used to sample original paper as temperature, add sensitivity and the response speed of temperature control system, the temperature in drying device can be controlled timely and effectively, Operation system setting cut-offing alarming circuit, when there is powering-off state, sound and light alarm signal can be sent, timely prompting producers take corresponding measure, greatly reduce the economic loss because the loss of power accident causes.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of veterinary drug powder drier intelligent temperature control system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of veterinary drug powder drier intelligent temperature control system, comprise current rectifying and wave filtering circuit, testing circuit, temperature-control circuit and power failure warning circuit, current rectifying and wave filtering circuit comprises rectifier bridge T and electric capacity C1, testing circuit comprises thermistor RG and reometer A, and temperature-control circuit comprises potentiometer RP1, relay K 1 and chip IC 1, and power failure warning circuit comprises unidirectional thyristor RT, loudspeaker B and light emitting diode T7;
One end of electric capacity C1 connects 1 port of rectifier bridge T and the out secondary of transformer W, the other end of electric capacity C1 connects the other end of 3 ports of rectifier bridge T and the out secondary of transformer W, the primary side of transformer W connects the contact K1-1 of 220V line voltage and relay K 1, the other end of the primary side of transformer W connects 220V line voltage and well heater M, the other end of well heater M connects the other end of the contact K1-1 of relay K 1, 2 ports of rectifier bridge T connect the positive pole of diode T1, 4 ports of rectifier bridge T connect electric capacity C2 and ground connection, the other end contact resistance R1 of electric capacity C2, the negative pole of diode T1, the positive pole of diode T5 and relay K 1, the other end contact resistance R2 of resistance R1, electric capacity C3, the positive pole of diode T2, the negative pole of diode T3 and 1 pin of chip IC 1, the other end ground connection of electric capacity C3, the plus earth of diode T3, the other end contact resistance R3 of resistance R2, resistance R4, the negative pole of resistance R5 and diode T4, the plus earth of diode T4, the other end contact resistance R9 of resistance R3, the stiff end of potentiometer RP1, the other end of resistance R4, thermistor RG, 2 pins of chip IC 1 and 3 pins of chip IC 1, 4 pin contact resistance R10 of chip IC 1, resistance R11, thermistor RG, the positive pole of diode T6, the sliding end of potentiometer RP1, another stiff end of potentiometer RP1 and the collector of triode VT1 ground connection, 5 pin contact resistance R8 of chip IC 1, the other end of resistance R8 connects the negative pole of diode T6, the other end of the transmitter contact resistance R11 of triode VT1, the collector of triode VT1 connects the positive pole of diode T5 and the other end of relay K 1, the other end of resistance R19 connects reometer A, the other end of other end contact resistance R5 of reometer A and the other end of resistance R10, the positive pole contact resistance R6 of the positive pole of the negative pole connecting luminous diode T7 of diode T2 and the negative DC power supply E1 of direct supply E1, the emitter of resistance R7 and triode VT3, the collector of triode VT3 connects electric capacity C4, electric capacity C7, the emitter of loudspeaker B and triode VT1, the other end of loudspeaker B connects the anode of unidirectional thyristor RT, the negative pole of the negative electrode connecting luminous diode T7 of unidirectional thyristor RT, the other end of the control pole contact resistance R7 of unidirectional thyristor RT, the base stage of triode VT3 connects the collector of electric capacity C4 and triode VT1, the base stage of triode VT1 connects the stiff end of potentiometer RP2, the sliding end of potentiometer RP2 and the other end of resistance R6, another stiff end of potentiometer RP2 connects the other end of electric capacity C7, chip IC 1 is UA741 type high gain operational amplifier, the model of thermistor RG is MF51.
The magnitude of voltage of direct supply E1 is 5V.
The alternating current step-down of 220V is 12V by the turn ratio of the once secondary terminals of end and transformer W of transformer W.
Principle of work of the present utility model is: temperature measurement circuit is a unbalanced electric bridge, and indicates with electric current Table A.One arm of electric bridge is highly sensitive thermistor RG.The difference of temperature in veterinary drug powder drier, the resistance of thermistor RG, also along with change, is reflected the change of temperature, carrys out design temperature reference value by potentiometer RP1 by the pointer change of reometer A.When temperature is lower, the resistance that thermistor MF51 is corresponding is very large, the 3 pin no currents of respective amplifier IC1 flow through, now 5 pins of amplifier IC1 export positive voltage, make triode VT1 conducting, the contact K1-1 adhesive of relay K 1, connect heater power source, heat, in veterinary drug powder drier, temperature raises.Along with the rising of temperature, the resistance of thermistor MF51 reduces, when the resistance of thermistor MF51 is increased to setting value, 3 pins of amplifier IC1 have electric current to flow through, and amplifier IC1 overturns, amplifier IC1 exports negative voltage, triode VT1 ends, and the contact K1-1 of relay K 1 discharges, and disconnects the power circuit of well heater, stop heating, in veterinary drug powder drier, temperature stops rising.When temperature drops to setting value again, repeat again to heat, go round and begin again like this, temperature is controlled in setting value.When having electricity in circuit, the unidirectional thyristor RT of warning circuit is reverse blocking state, warning circuit does not work, when there is power-off in circuit, unidirectional thyristor RT forward conduction, warning circuit work, sends sound and light alarm, timely prompting producers take corresponding measure, greatly reduce the economic loss because the loss of power accident causes.
Claims (3)
1. a veterinary drug powder drier intelligent temperature control system, comprise current rectifying and wave filtering circuit, testing circuit, temperature-control circuit and power failure warning circuit, it is characterized in that, described current rectifying and wave filtering circuit comprises rectifier bridge T and electric capacity C1, described testing circuit comprises thermistor RG and reometer A, described temperature-control circuit comprises potentiometer RP1, relay K 1 and chip IC 1, and described power failure warning circuit comprises unidirectional thyristor RT, loudspeaker B and light emitting diode T7;
One end of electric capacity C1 connects 1 port of rectifier bridge T and the out secondary of transformer W, the other end of electric capacity C1 connects the other end of 3 ports of rectifier bridge T and the out secondary of transformer W, the primary side of transformer W connects the contact K1-1 of 220V line voltage and relay K 1, the other end of the primary side of transformer W connects 220V line voltage and well heater M, the other end of well heater M connects the other end of the contact K1-1 of relay K 1, 2 ports of rectifier bridge T connect the positive pole of diode T1, 4 ports of rectifier bridge T connect electric capacity C2 and ground connection, the other end contact resistance R1 of electric capacity C2, the negative pole of diode T1, the positive pole of diode T5 and relay K 1, the other end contact resistance R2 of resistance R1, electric capacity C3, the positive pole of diode T2, the negative pole of diode T3 and 1 pin of chip IC 1, the other end ground connection of electric capacity C3, the plus earth of diode T3, the other end contact resistance R3 of resistance R2, resistance R4, the negative pole of resistance R5 and diode T4, the plus earth of diode T4, the other end contact resistance R9 of resistance R3, the stiff end of potentiometer RP1, the other end of resistance R4, thermistor RG, 2 pins of chip IC 1 and 3 pins of chip IC 1, 4 pin contact resistance R10 of chip IC 1, resistance R11, thermistor RG, the positive pole of diode T6, the sliding end of potentiometer RP1, another stiff end of potentiometer RP1 and the collector of triode VT1 ground connection, 5 pin contact resistance R8 of chip IC 1, the other end of resistance R8 connects the negative pole of diode T6, the other end of the transmitter contact resistance R11 of triode VT1, the collector of triode VT1 connects the positive pole of diode T5 and the other end of relay K 1, the other end of resistance R19 connects reometer A, the other end of other end contact resistance R5 of reometer A and the other end of resistance R10, the positive pole contact resistance R6 of the positive pole of the negative pole connecting luminous diode T7 of diode T2 and the negative DC power supply E1 of direct supply E1, the emitter of resistance R7 and triode VT3, the collector of triode VT3 connects electric capacity C4, electric capacity C7, the emitter of loudspeaker B and triode VT1, the other end of loudspeaker B connects the anode of unidirectional thyristor RT, the negative pole of the negative electrode connecting luminous diode T7 of unidirectional thyristor RT, the other end of the control pole contact resistance R7 of unidirectional thyristor RT, the base stage of triode VT3 connects the collector of electric capacity C4 and triode VT1, the base stage of triode VT1 connects the stiff end of potentiometer RP2, the sliding end of potentiometer RP2 and the other end of resistance R6, another stiff end of potentiometer RP2 connects the other end of electric capacity C7, described chip IC 1 is UA741 type high gain operational amplifier, the model of thermistor RG is MF51.
2. a kind of veterinary drug powder drier intelligent temperature control system according to claim 1, is characterized in that, the magnitude of voltage of described direct supply E1 is 5V.
3. a kind of veterinary drug powder drier intelligent temperature control system according to claim 1, is characterized in that, the alternating current step-down of 220V is 12V by the turn ratio of the once secondary terminals of end and transformer W of described transformer W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420750420.7U CN204406235U (en) | 2014-12-04 | 2014-12-04 | A kind of veterinary drug powder drier intelligent temperature control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420750420.7U CN204406235U (en) | 2014-12-04 | 2014-12-04 | A kind of veterinary drug powder drier intelligent temperature control system |
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| CN204406235U true CN204406235U (en) | 2015-06-17 |
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| CN201420750420.7U Expired - Fee Related CN204406235U (en) | 2014-12-04 | 2014-12-04 | A kind of veterinary drug powder drier intelligent temperature control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550496A (en) * | 2016-12-14 | 2017-03-29 | 苏晓玲 | A kind of Graphene heats desktop control circuit |
| CN110159576A (en) * | 2018-04-17 | 2019-08-23 | 苏州晨霞美合智能科技有限公司 | A kind of computer multi-fan intelligent temperature control alarm system |
| CN113325899A (en) * | 2021-06-04 | 2021-08-31 | 涂国秀 | Control circuit of traditional Chinese medicine liquid heating device |
| CN113358925A (en) * | 2021-05-28 | 2021-09-07 | 国网浙江省电力有限公司丽水供电公司 | Meter box monitor |
-
2014
- 2014-12-04 CN CN201420750420.7U patent/CN204406235U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550496A (en) * | 2016-12-14 | 2017-03-29 | 苏晓玲 | A kind of Graphene heats desktop control circuit |
| CN110159576A (en) * | 2018-04-17 | 2019-08-23 | 苏州晨霞美合智能科技有限公司 | A kind of computer multi-fan intelligent temperature control alarm system |
| CN113358925A (en) * | 2021-05-28 | 2021-09-07 | 国网浙江省电力有限公司丽水供电公司 | Meter box monitor |
| CN113325899A (en) * | 2021-06-04 | 2021-08-31 | 涂国秀 | Control circuit of traditional Chinese medicine liquid heating device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20171204 |