CN217058969U - Transfer tank liquid level monitoring device for production of rubber vulcanization accelerator - Google Patents
Transfer tank liquid level monitoring device for production of rubber vulcanization accelerator Download PDFInfo
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- CN217058969U CN217058969U CN202220703089.8U CN202220703089U CN217058969U CN 217058969 U CN217058969 U CN 217058969U CN 202220703089 U CN202220703089 U CN 202220703089U CN 217058969 U CN217058969 U CN 217058969U
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Abstract
The utility model discloses a transfer tank liquid level monitoring device for production of rubber vulcanization accelerator, which comprises a liquid level monitoring unit and a controller, wherein the liquid level monitoring unit is arranged above a transfer tank and comprises a sensor measuring circuit, an amplifying and shaping circuit and a fixed amplitude regulating circuit, the output end of the amplifying and shaping circuit is connected with the controller through the fixed amplitude regulating circuit, and the output end of the controller is connected with the control end of an alarm; the utility model discloses a design to the liquid level monitoring unit is taked care of level sensor's detected signal, effectively avoids the external environment to produce the interference to the detected signal, guarantees liquid level detection's precision and stability to greatly promote transfer tank level control's accuracy, provide safe and reliable's guarantee for gluing vulcanization accelerator production process.
Description
Technical Field
The utility model relates to an it produces technical field, especially relates to an it produces with transfer tank liquid level monitoring device to glue vulcanization accelerator.
Background
The rubber accelerator DM, which is chemically named 2, 2' -dibenzothiazyl disulfide, is a light yellow crystal, is slightly toxic, odorless and slightly bitter, is a general thiazole accelerator widely applied at present, and is also a very important drug synthesis intermediate. At present, the rubber accelerator DM takes an M sodium salt solution in the production process of the accelerator M as a raw material, two procedures of neutralization and dehydration are omitted, the production time is greatly shortened, manpower and material resources are saved, and the production of the accelerator M and the DM are linked, for example, the invention patent with application number 201610349431.8 and the name of 'a production process of rubber vulcanization accelerator DM' is provided, the technical scheme realizes continuous production by optimizing and recombining the production process and connecting a group (a plurality) of intermittent oxidation kettles in parallel with a continuous transfer tank; and in the production process, the liquid level in the transfer tank is required to be always kept in a certain range, so that the continuity of the feeding and the discharging of the transfer tank is ensured. However, in the actual production process, because the liquid level sensor is easily influenced by the temperature factor in the transfer tank in the detection process, the deviation of a liquid level detection value and an actual value is large due to the zero drift output error of a liquid level detection signal, the liquid level control precision in the transfer tank is seriously influenced, and certain potential safety hazards are brought to the production of the rubber vulcanization accelerator.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, the utility model aims to provide a transfer tank liquid level monitoring device is used in production of vulcanization accelerator.
The technical scheme for solving the problem is as follows: the utility model provides a production of vulcanization accelerator is with transfer jar liquid level monitoring device, is including setting up liquid level monitoring unit and the controller in transfer jar top, liquid level monitoring unit includes sensor measuring circuit, enlargies shaping circuit and steady amplitude regulating circuit, sensor measuring circuit includes level sensor, level sensor's power end is connected +24V power to through electric capacity C1 ground connection, level sensor's signal output part connecting resistance R1 and inductance L1's one end, resistance R1's other end ground connection, inductance L1's the other end is connected enlarge shaping circuit's input to through electric capacity C2 ground connection, enlarge shaping circuit's output and connect through steady amplitude regulating circuit the controller, the control end of alarm is connected to the output of controller.
Preferably, the amplifying and shaping circuit comprises an operational amplifier AR1, an inverting input terminal of the operational amplifier AR1 is connected with one end of a resistor R2 and the other end of an inductor L1, and is connected with one end of a resistor R4 through a rheostat RP1, the other end of the resistor R4 is connected with an output terminal of the operational amplifier AR1, the other end of the resistor R2 is connected with an adjusting terminal of a three-terminal regulator D1, an input terminal of the three-terminal regulator D1 is connected with a +5V power supply, an output terminal of the three-terminal regulator D1 is grounded, and a non-inverting input terminal of the operational amplifier AR1 is grounded through a resistor R3.
Preferably, the amplitude stabilizing and adjusting circuit includes an operational amplifier AR2, a non-inverting input terminal of the operational amplifier AR2 is connected to the gate of the MOS transistor Q1 and the output terminal of the operational amplifier AR1 through a capacitor C3, an inverting input terminal and an output terminal of the operational amplifier AR2 are connected to the drain of the MOS transistor Q1 and one end of a resistor R5 through a resistor R6 and a capacitor C4 which are connected in parallel, the other end of the resistor R5 is grounded, the source of the MOS transistor Q1 is grounded through a resistor R7, the output terminal of the operational amplifier AR2 is further connected to one end of the capacitor C5 and the controller through a resistor R8, and the other end of the capacitor C5 is grounded.
Preferably, the liquid level sensor is an SIN-P2600 liquid level transmitter.
Preferably, the controller is further connected with an electronic display through a data bus.
Through the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a design to the liquid level monitoring unit is taked care of level sensor's detected signal, effectively avoids the external environment to produce the interference to the detected signal, guarantees liquid level detection's precision and stability to greatly promote transfer tank level control's accuracy, provide safe and reliable's guarantee for gluing vulcanization accelerator production process.
Drawings
Fig. 1 is a schematic circuit diagram 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 fig. 1. 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 production of vulcanization accelerator is with transfer jar liquid level monitoring device, is including setting up liquid level monitoring unit and the controller in transfer jar top, and liquid level monitoring unit includes sensor measuring circuit, enlargies plastic circuit and steady amplitude regulation circuit.
The sensor measuring circuit shown in fig. 1 comprises a liquid level sensor J1, wherein a power supply end of the liquid level sensor J1 is connected with a +24V power supply and is grounded through a capacitor C1, a signal output end of the liquid level sensor J1 is connected with one end of a resistor R1 and one end of an inductor L1, the other end of the resistor R1 is grounded, the other end of the inductor L1 is connected with an input end of an amplifying and shaping circuit and is grounded through a capacitor C2, an output end of the amplifying and shaping circuit is connected with a controller through an amplitude stabilizing adjusting circuit, and an output end of the controller is connected with a control end of an alarm.
When the device is specifically arranged, the liquid level sensor J1 can be an SIN-P2600 liquid level transmitter, a diffused silicon piezoresistive pressure sensor is used as a measuring element, the hydrostatic pressure which is in direct proportion to the liquid level depth is accurately measured, and then the measured hydrostatic pressure is sent into an amplifying and shaping circuit and a amplitude stabilizing and adjusting circuit for conditioning.
The amplifying and shaping circuit comprises an operational amplifier AR1, wherein an inverting input end of the operational amplifier AR1 is connected with one end of a resistor R2 and the other end of an inductor L1, and is connected with one end of a resistor R4 through a rheostat RP1, the other end of the resistor R4 is connected with an output end of the operational amplifier AR1, the other end of the resistor R2 is connected with an adjusting end of a three-terminal regulator D1, an input end of the three-terminal regulator D1 is connected with a +5V power supply, an output end of the three-terminal regulator D1 is grounded, and a non-inverting input end of the operational amplifier AR1 is grounded through a resistor R3.
The amplitude stabilizing adjusting circuit comprises an operational amplifier AR2, wherein a non-inverting input end of the operational amplifier AR2 is connected with a grid electrode of a MOS tube Q1 and an output end of an operational amplifier AR1 through a capacitor C3, an inverting input end and an output end of the operational amplifier AR2 are connected with a drain electrode of the MOS tube Q1 and one end of a resistor R5 through a resistor R6 and a capacitor C4 which are connected in parallel, the other end of the resistor R5 is grounded, a source electrode of the MOS tube Q1 is grounded through a resistor R7, an output end of the operational amplifier AR2 is also connected with one end of the capacitor C5 and the controller through a resistor R8, and the other end of the capacitor C5 is grounded.
When the utility model is used, the liquid level sensor J1 is used for detecting the liquid level in the transfer tank, the detection signal is firstly sent into the LC filter consisting of the inductor L1 and the capacitor C2 for preliminary noise reduction, and the mechanical fluctuation interference generated when the oxidation kettle discharges materials is eliminated; the amplifying and shaping circuit is used for amplifying and enhancing the detection signal, wherein the operational amplifier AR1 primarily amplifies the detection signal, and the operational amplifier gain can be changed by adjusting the resistance value of the rheostat RP1, so that the signal output can be conveniently matched and adjusted when liquid level sensors of different models are selected; and a three-terminal voltage regulator D1 is adopted to provide a stable reference signal for an operational amplifier AR1, so that the amplification and shaping of a detection signal are realized, and the signal identification capability of the system is improved.
Furthermore, the amplitude stabilizing adjusting circuit adopts an operational amplifier AR2 to secondarily amplify the output signal of the operational amplifier AR1, the operational amplifier AR2 utilizes the voltage follower principle to rapidly improve the signal intensity and ensure the response sensitivity of the system, and meanwhile, the amplified signal of the operational amplifier AR2 is subjected to signal feedback adjustment through an RC buffer formed by a resistor R6 and a capacitor C4, so that the MOS transistor Q1 is driven to work to form in-phase closed-loop feedback, the amplification amplitude characteristic of the detection signal is effectively improved, the linearity of the output of the detection signal is improved, and the liquid level detection is more accurate and stable; and finally, the liquid is sent to a controller after RC filtering, and the controller is also connected with an electronic display through a data bus and used for displaying the liquid level data of the transfer tank in real time, so that the liquid level data is convenient for operators to observe. When the liquid level data of the transfer tank exceeds the safety range, the controller drives the alarm to give an alarm, and an operator is reminded of overhauling in time.
To sum up, the utility model discloses a design to the liquid level monitoring unit comes to take care of level sensor's detected signal, effectively avoids the external environment to produce the interference to detected signal, guarantees the precision and the stability of liquid level detection to greatly promote the accuracy of transfer tank liquid level control, provide safe and reliable's guarantee for gluing vulcanization accelerator production process.
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 staff is 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 scope.
Claims (5)
1. The utility model provides a production of vulcanization accelerator is with transfer jar liquid level monitoring device, is including setting up liquid level monitoring unit and the controller in transfer jar top, its characterized in that: the liquid level monitoring unit includes sensor measuring circuit, enlargies plastic circuit and steady amplitude regulating circuit, sensor measuring circuit includes level sensor, level sensor's power end is connected +24V power to through electric capacity C1 ground connection, level sensor's signal output part connecting resistance R1 and inductance L1's one end, resistance R1's other end ground connection, inductance L1's the other end is connected enlarge plastic circuit's input to through electric capacity C2 ground connection, enlarge plastic circuit's output and pass through steady amplitude regulating circuit and connect the controller, the control end of alarm is connected to the output of controller.
2. The transfer pot liquid level monitoring device for rubber vulcanization accelerator production according to claim 1, characterized in that: the amplifying and shaping circuit comprises an operational amplifier AR1, wherein the inverting input end of the operational amplifier AR1 is connected with one end of a resistor R2 and the other end of an inductor L1, and is connected with one end of a resistor R4 through a rheostat RP1, the other end of the resistor R4 is connected with the output end of the operational amplifier AR1, the other end of the resistor R2 is connected with the adjusting end of a three-terminal regulator D1, the input end of the three-terminal regulator D1 is connected with a +5V power supply, the output end of the three-terminal regulator D1 is grounded, and the non-inverting input end of the operational amplifier AR1 is grounded through a resistor R3.
3. The transfer pot liquid level monitoring device is used in production of rubber vulcanization accelerator of claim 2, characterized in that: the amplitude stabilizing adjusting circuit comprises an operational amplifier AR2, wherein a non-inverting input end of an operational amplifier AR2 is connected with a grid electrode of a MOS transistor Q1 and an output end of an operational amplifier AR1 through a capacitor C3, an inverting input end and an output end of the operational amplifier AR2 are connected with a drain electrode of the MOS transistor Q1 and one end of a resistor R5 through a resistor R6 and a capacitor C4 which are connected in parallel, the other end of the resistor R5 is grounded, a source electrode of the MOS transistor Q1 is grounded through a resistor R7, an output end of the operational amplifier AR2 is further connected with one end of a capacitor C5 and the controller through a resistor R8, and the other end of the capacitor C5 is grounded.
4. The transfer pot liquid level monitoring device for rubber vulcanization accelerator production according to claim 3, characterized in that: the liquid level sensor is an SIN-P2600 liquid level transmitter.
5. The transfer pot liquid level monitoring device is used in production of rubber vulcanization accelerator of claim 4, characterized in that: the controller is also connected with an electronic display through a data bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220703089.8U CN217058969U (en) | 2022-03-29 | 2022-03-29 | Transfer tank liquid level monitoring device for production of rubber vulcanization accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220703089.8U CN217058969U (en) | 2022-03-29 | 2022-03-29 | Transfer tank liquid level monitoring device for production of rubber vulcanization accelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217058969U true CN217058969U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220703089.8U Active CN217058969U (en) | 2022-03-29 | 2022-03-29 | Transfer tank liquid level monitoring device for production of rubber vulcanization accelerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217058969U (en) |
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2022
- 2022-03-29 CN CN202220703089.8U patent/CN217058969U/en active Active
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