CN211877238U - Water-soluble fertilizer reation kettle monitoring system - Google Patents
Water-soluble fertilizer reation kettle monitoring system Download PDFInfo
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- CN211877238U CN211877238U CN202020545591.1U CN202020545591U CN211877238U CN 211877238 U CN211877238 U CN 211877238U CN 202020545591 U CN202020545591 U CN 202020545591U CN 211877238 U CN211877238 U CN 211877238U
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Abstract
The utility model discloses a water-soluble fertilizer reation kettle monitoring system, including the cauldron body and temperature monitoring processing unit, internal temperature sensor that is provided with of cauldron, temperature sensor are the infrared temperature sensor who sets up at cauldron internal wall top, and temperature monitoring processing unit is including the infrared temperature sampling circuit, signal amplification compensating circuit and the stable amplitude circuit that connect gradually, and infrared temperature sampling circuit's input is connected infrared temperature sensor's signal output part, and the output of temperature amplitude circuit connects the controller, the utility model discloses an infrared temperature sensor comes direct detection cauldron internal material reaction temperature, and response speed is fast, improves temperature sampling efficiency well; the infrared temperature sampling circuit improves temperature sampling efficiency, the signal amplification compensation circuit improves the continuity of temperature sampling, the error of a monitoring system is reduced, the stable amplitude circuit ensures the stability of signal receiving and internal operation processing of the controller, and the real-time performance and the accuracy of water-soluble reaction temperature monitoring are improved.
Description
Technical Field
The utility model relates to a water-soluble fertilizer production facility technical field especially relates to a water-soluble fertilizer reation kettle monitoring system.
Background
The reaction kettle is usually used in the production process of the water-soluble fertilizer, the reaction kettle generally comprises a kettle body, a stirrer is arranged in the kettle body, and the stirrer is used for mixing the materials so as to facilitate the reaction of the materials. The temperature in the kettle body needs to be monitored in real time in the reaction process of the materials so as to ensure the stability and safety of fertilizer production. The existing reaction kettle is usually provided with a thermocouple in a kettle body to detect the reaction temperature, the detection signal of the reaction kettle is easily interfered by the environment, and in the temperature sampling process, because the water-soluble reaction process is fast, the response speed of the thermocouple sensor is slow, the temperature detection result can not directly and quickly reflect the actual value, the detection has deviation, and therefore, the temperature monitoring system of the reaction kettle needs to be improved.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a monitoring system for a water-soluble fertilizer reaction kettle.
The technical scheme for solving the problem is as follows: the utility model provides a water-soluble fertilizer reation kettle monitoring system, includes the cauldron body and temperature monitoring processing unit, the internal temperature sensor that is provided with of cauldron, temperature sensor is for setting up the infrared temperature sensor at cauldron internal wall top, temperature monitoring processing unit is including the infrared temperature sampling circuit, signal amplification compensating circuit and the amplitude stabilizing circuit who connect gradually, infrared temperature sampling circuit's input is connected infrared temperature sensor's signal output part, amplitude stabilizing circuit's output connection director.
Preferably, the infrared temperature sampling circuit includes a triode Q1, one end of a resistor R1, R2, a capacitor C1 and a signal output end of the infrared temperature sensor are connected to a base of the triode Q1, the other ends of the resistor R2 and the capacitor C1 are grounded, a collector of the triode Q1 is connected to one ends of the resistor R3, the capacitor C2 and the capacitor C3, the other ends of the resistor R1, the resistor R3 and the capacitor C2 are connected to a +5V power supply, the other end of the capacitor C3 is grounded, and an emitter of the triode Q1 is grounded through a resistor R4.
Preferably, the signal amplification compensation circuit comprises an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to the cathode of the diode D1 and the collector of the triode Q1 through a resistor R5 and is grounded through a resistor R6 and a capacitor C4 which are connected in parallel, an anode of the diode D1 is grounded, and an inverting input terminal of the operational amplifier AR1 is connected to the output terminal of the operational amplifier AR1 through a resistor R8 and a capacitor C5 which are connected in parallel and is grounded through a resistor R7.
Preferably, the amplitude stabilizing circuit comprises a triode Q2, a collector of the triode Q2 is connected with an output end of the operational amplifier AR1 and one end of the resistor R9, a base of the triode Q2 is connected with the other end of the resistor R9 and a cathode of the zener diode DZ1, an emitter of the triode Q2 is connected with one end of the capacitor C6 and a non-inverting input end of the operational amplifier AR2, an anode of the zener diode DZ1 and the other end of the capacitor C6 are grounded in parallel, and an inverting input end of the operational amplifier AR2 is connected with an output end of the operational amplifier AR2 and an input end of the controller through the resistor R10.
Preferably, an electronic touch screen is arranged on the outer wall of the kettle body and is connected with the controller through a serial port.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model adopts the infrared temperature sensor J1 to directly detect the material reaction temperature in the kettle body, has fast response speed and can well improve the temperature sampling efficiency;
2. after the infrared temperature sampling circuit performs low-pass filtering on an output signal of the infrared temperature sensor J1, a triode Q1 performs rapid amplification on a temperature detection signal, so that the temperature sampling efficiency is improved;
3. the signal amplification compensation circuit utilizes a resistance-capacitance compensation principle to improve the continuity of temperature sampling and reduce the error of a monitoring system in the operational amplification process;
4. the stable amplitude circuit utilizes the triode voltage stabilization principle to promote the stability of temperature sampling numerical value to utilize the voltage follower principle to send into the controller after keeping apart the output with the output signal of triode stabiliser, guarantee controller signal reception and the stability of internal operation processing, thereby effectively improve the real-time and the degree of accuracy of water-soluble reaction temperature monitoring.
Drawings
Fig. 1 is the schematic diagram of the infrared temperature sampling circuit of the utility model.
Fig. 2 is a schematic diagram of the signal amplification compensation circuit of the present invention.
Fig. 3 is the schematic diagram of the amplitude stabilizing circuit of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings 1 to 3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The utility model provides a water-soluble fertilizer reation kettle monitoring system, including the cauldron body and temperature monitoring processing unit, the internal temperature sensor that is provided with of cauldron, temperature sensor is the infrared temperature sensor J1 who sets up at cauldron internal wall top, temperature monitoring processing unit is including the infrared temperature sampling circuit who connects gradually, signal amplification compensating circuit and amplitude stabilizing circuit, infrared temperature sensor J1's signal output part is connected to infrared temperature sampling circuit's input, amplitude stabilizing circuit's output connection director.
As shown in fig. 1, the infrared temperature sampling circuit includes a transistor Q1, a base of the transistor Q1 is connected to one end of resistors R1, R2, a capacitor C1 and a signal output end of the infrared temperature sensor J1, the other ends of the resistor R2 and the capacitor C1 are grounded, a collector of the transistor Q1 is connected to one end of a resistor R3, one ends of capacitors C2 and C3, the other ends of the resistors R1, R3 and the capacitor C2 are connected to a +5V power supply, the other end of the capacitor C3 is grounded, and an emitter of the transistor Q1 is grounded through a resistor R4.
As shown in fig. 2, the signal amplification compensation circuit includes an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to a cathode of the diode D1 and a collector of the transistor Q1 through a resistor R5, and is grounded through a resistor R6 and a capacitor C4 which are connected in parallel, an anode of the diode D1 is grounded, and an inverting input terminal of the operational amplifier AR1 is connected to an output terminal of the operational amplifier AR1 through a resistor R8 and a capacitor C5 which are connected in parallel, and is grounded through a resistor R7.
As shown in fig. 3, the amplitude stabilizing circuit includes a transistor Q2, a collector of the transistor Q2 is connected to an output terminal of the operational amplifier AR1 and one end of the resistor R9, a base of the transistor Q2 is connected to the other end of the resistor R9 and a cathode of the zener diode DZ1, an emitter of the transistor Q2 is connected to one end of the capacitor C6 and a non-inverting input terminal of the operational amplifier AR2, an anode of the zener diode DZ1 and the other end of the capacitor C6 are grounded in parallel, and an inverting input terminal of the operational amplifier AR2 is connected to an output terminal of the operational amplifier AR2 and an input terminal of the controller through the resistor R10.
The utility model discloses a concrete theory of operation as follows: the utility model discloses an infrared temperature sensor J1 comes the internal material reaction temperature of direct detection cauldron, and response speed is fast, can improve temperature sampling efficiency well. In order to avoid external interference factors and improve the accuracy of temperature sampling, a temperature monitoring processing unit is designed to process an output signal of the infrared temperature sensor J1.
The output signal of the infrared temperature sensor J1 is firstly sent to the infrared temperature sampling circuit for amplification, wherein the output signal of the infrared temperature sensor J1 is subjected to low-pass filtering by the capacitor C1, and then the temperature detection signal is rapidly amplified by the triode Q1, so that the temperature sampling efficiency is improved. In order to ensure the stability of measurement, a signal amplification compensation circuit is adopted to further process an output signal of the infrared temperature sampling circuit, wherein a diode D1 is used for carrying out amplitude limiting on an output signal of a triode Q1 and then sending the output signal into an operational amplifier AR1 to carry out operational amplification processing, and in the operational amplifier process, a resistor R8 and a capacitor C5 play a role in resistance-capacitance compensation at a negative feedback end of an operational amplifier AR1, so that the continuity of temperature sampling is improved, and the error of a monitoring system is reduced. The resistor R9, the triode Q2 and the voltage stabilizing diode DZ1 in the amplitude stabilizing circuit form a triode voltage stabilizer, the output signal of the operational amplifier AR1 is subjected to voltage stabilizing processing by utilizing the triode voltage stabilizing principle, and the stability of temperature sampling values is improved. Then the fortune is put ware AR2 and is utilized the voltage follower principle to keep apart the output signal of triode stabiliser and send into the controller after the output, guarantees controller signal reception and the stability of internal operation processing to effectively improve the real-time and the degree of accuracy of water-soluble reaction temperature monitoring.
An electronic touch screen is arranged on the outer wall of the kettle body and is connected with the controller through a serial port. After the controller receives the temperature sampling signal output by the temperature monitoring processing unit, the CPU in the controller carries out A/D conversion and data analysis processing, and then sends the temperature data to the electronic touch screen for real-time display, so that the temperature data can be conveniently checked by an operator.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (5)
1. The utility model provides a water-soluble fertilizer reation kettle monitoring system, includes the cauldron body and temperature monitoring processing unit, the internal temperature sensor that is provided with of cauldron, its characterized in that: the temperature sensor is in for setting up the infrared temperature sensor at cauldron internal wall top, temperature monitoring processing unit is including the infrared temperature sampling circuit, signal amplification compensating circuit and the steady amplitude circuit that connect gradually, infrared temperature sampling circuit's input is connected infrared temperature sensor's signal output part, the output connection director of steady amplitude circuit.
2. The water-soluble fertilizer reactor monitoring system of claim 1, wherein: the infrared temperature sampling circuit comprises a triode Q1, the base electrode of the triode Q1 is connected with one end of a resistor R1, a resistor R2 and a capacitor C1 and the signal output end of the infrared temperature sensor, the other ends of the resistor R2 and the capacitor C1 are grounded, the collector electrode of the triode Q1 is connected with one ends of the resistor R3, the capacitor C2 and the capacitor C3, the other ends of the resistor R1, the resistor R3 and the capacitor C2 are connected with a +5V power supply, the other end of the capacitor C3 is grounded, and the emitter electrode of the triode Q1 is grounded through a resistor R4.
3. The water-soluble fertilizer reactor monitoring system of claim 2, wherein: the signal amplification compensation circuit comprises an operational amplifier AR1, wherein the non-inverting input terminal of the operational amplifier AR1 is connected with the cathode of a diode D1 and the collector of a triode Q1 through a resistor R5 and is grounded through a resistor R6 and a capacitor C4 which are connected in parallel, the anode of a diode D1 is grounded, and the inverting input terminal of the operational amplifier AR1 is connected with the output terminal of an operational amplifier AR1 through a resistor R8 and a capacitor C5 which are connected in parallel and is grounded through a resistor R7.
4. The water-soluble fertilizer reation kettle monitoring system of claim 3 wherein: the stable amplitude circuit comprises a triode Q2, the collector of the triode Q2 is connected with the output end of an operational amplifier AR1 and one end of a resistor R9, the base of the triode Q2 is connected with the other end of a resistor R9 and the cathode of a voltage stabilizing diode DZ1, the emitter of the triode Q2 is connected with one end of a capacitor C6 and the non-inverting input end of an operational amplifier AR2, the anode of the voltage stabilizing diode DZ1 and the other end of the capacitor C6 are grounded in parallel, and the inverting input end of the operational amplifier AR2 is connected with the output end of the operational amplifier AR2 and the input end of a controller through a resistor R10.
5. The water-soluble fertilizer reation kettle monitoring system of claim 4 wherein: an electronic touch screen is arranged on the outer wall of the kettle body and is connected with the controller through a serial port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545591.1U CN211877238U (en) | 2020-04-14 | 2020-04-14 | Water-soluble fertilizer reation kettle monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545591.1U CN211877238U (en) | 2020-04-14 | 2020-04-14 | Water-soluble fertilizer reation kettle monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN211877238U true CN211877238U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020545591.1U Active CN211877238U (en) | 2020-04-14 | 2020-04-14 | Water-soluble fertilizer reation kettle monitoring system |
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| CN (1) | CN211877238U (en) |
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2020
- 2020-04-14 CN CN202020545591.1U patent/CN211877238U/en active Active
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