CN212569561U - Electric porcelain glaze blank firing temperature control device - Google Patents
Electric porcelain glaze blank firing temperature control device Download PDFInfo
- Publication number
- CN212569561U CN212569561U CN202021738970.9U CN202021738970U CN212569561U CN 212569561 U CN212569561 U CN 212569561U CN 202021738970 U CN202021738970 U CN 202021738970U CN 212569561 U CN212569561 U CN 212569561U
- Authority
- CN
- China
- Prior art keywords
- temperature
- operational amplifier
- resistor
- phase compensation
- capacitor
- 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.)
- Active
Links
Images
Landscapes
- Control Of Temperature (AREA)
Abstract
The utility model discloses an electroceramics glaze base burns till temperature control device, including temperature sampling circuit and phase compensation circuit, temperature sampling circuit includes the temperature sensor who is used for gathering the temperature in the kiln stove, and temperature sensor's detected signal is sent into and is carried in the ware U1 to carry out the cophase and amplify after RC filtering, tentatively reduces external noise interference; in the operational amplifier process, the operational phase compensation circuit can not only remove high-frequency interference caused by external clutter, but also improve the stability of amplifying and outputting temperature detection signals due to the advanced compensation function of the operational phase compensation circuit; the output signal of the operational amplifier U2 is finally filtered by the capacitor C3 and then output to the controller, so that the accuracy of temperature detection is improved to the maximum extent; the controller converts the temperature detection signal into digital quantity, calculates the real-time temperature in the kiln and adjusts the temperature in the kiln in real time, thereby ensuring that the firing temperature is always within the setting range and improving the firing quality of the electroceramic glaze blank.
Description
Technical Field
The utility model relates to an electroceramics production technical field especially relates to an electroceramics glaze base burns till temperature control device.
Background
The electric porcelain is a porcelain insulator applied to power industry systems, which is prepared by firing natural minerals such as bauxite, kaolin, feldspar and the like as main raw materials at high temperature, and comprises various line insulators, insulators for power station electric appliances and other insulating parts for isolating or supporting charged bodies. During the production process of the electric porcelain, the polished blank is dried after glaze spraying and sanding, and the qualified glaze blank is put into a kiln and baked into porcelain at high temperature. The temperature in the kiln needs to be monitored in the high-temperature roasting process, and the precision of the detection signal of the temperature sensor and the transmission stability need to be improved due to the complex and changeable roasting environment.
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 temperature control device for sintering an electroceramic glaze blank.
The technical scheme for solving the problem is as follows: a temperature control device for sintering of an electroceramic glaze blank comprises a temperature sampling circuit and a phase compensation circuit, wherein the temperature sampling circuit comprises a temperature sensor for collecting the temperature in a kiln, and a detection signal of the temperature sensor is sent into a conveying amplifier U1 for in-phase amplification after being subjected to RC filtering; the phase compensation circuit comprises an operational amplifier U2, wherein the operational amplifier U2 further amplifies the output signal of U1, forms phase compensation in the amplification process, and finally sends the amplified signal into the controller after RC filtering.
Furthermore, the temperature sampling circuit comprises a resistor R1, one end of a resistor R1 is connected with a signal output end of the temperature sensor, the other end of the resistor R1 is connected with a non-inverting input end of an operational amplifier U1 and is grounded through a capacitor C1, an output end of an operational amplifier U1 is connected with one ends of resistors R2 and R3 and an inverting input end of an operational amplifier U1 through a diode VD1, the other end of the resistor R2 is grounded, and the other end of the resistor R3 is connected with the non-inverting input end of the operational amplifier U2.
Furthermore, the inverting input terminal of the operational amplifier U2 is grounded through a resistor R4, the output terminal of the operational amplifier U2 is connected to pins 1 and 3 of a varistor RP1 through a resistor R5 and a capacitor C2 which are connected in parallel, a pin 2 of the varistor RP1 is grounded, the output terminal of the operational amplifier U2 is also connected to one end of a resistor R7 and a capacitor C3 and the input terminal of the controller through a resistor R6, and the other ends of the resistor R7 and the capacitor C3 are grounded.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the temperature sensor collects the temperature in the kiln, converts the temperature into an electric signal and outputs the electric signal, the temperature sampling circuit utilizes RC filtering to reduce noise of a detection signal, external noise interference is reduced preliminarily, and then the detection signal is sent into the conveying and placing device U1 to be amplified in the same phase, so that the intensity of the detection signal is greatly improved;
2. in the operational amplifier process, the operational phase compensation circuit can not only remove high-frequency interference caused by external clutter, but also improve the stability of amplifying and outputting temperature detection signals due to the advanced compensation function of the operational phase compensation circuit; the output signal of the operational amplifier U2 is finally filtered by the capacitor C3 and then output to the controller, and the accuracy of temperature detection is improved to the maximum extent.
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 an electroceramics glaze base burns till temperature control device, includes temperature sampling circuit and phase compensation circuit, and temperature sampling circuit is including the temperature sensor who is used for gathering the kiln internal temperature, and temperature sensor's detected signal is sent into and is carried in putting the ware U1 and carry out the cophase and enlarge after RC filtering. The phase compensation circuit comprises an operational amplifier U2, wherein the operational amplifier U2 further amplifies the output signal of U1, forms phase compensation in the amplification process, and finally sends the phase compensation to the controller after RC filtering.
The temperature sampling circuit comprises a resistor R1, one end of a resistor R1 is connected with a signal output end of the temperature sensor, the other end of the resistor R1 is connected with a non-inverting input end of an operational amplifier U1 and is grounded through a capacitor C1, an output end of an operational amplifier U1 is connected with one ends of resistors R2 and R3 and an inverting input end of an operational amplifier U1 through a diode VD1, the other end of the resistor R2 is grounded, and the other end of the resistor R3 is connected with the non-inverting input end of the operational amplifier U2.
The inverting input end of the operational amplifier U2 is grounded through a resistor R4, the output end of the operational amplifier U2 is connected with pins 1 and 3 of a rheostat RP1 through a resistor R5 and a capacitor C2 which are connected in parallel, a pin 2 of the rheostat RP1 is grounded, the output end of the operational amplifier U2 is also connected with a resistor R7, one end of the capacitor C3 and the input end of the controller through a resistor R6, and the other ends of the resistor R7 and the capacitor C3 are grounded.
The utility model discloses a concrete theory of operation does: the temperature sensor collects the temperature in the kiln and converts the temperature into an electric signal to be output, the electric signal is firstly sent into RC filtering formed by a resistor R1 and a capacitor C1 to reduce noise, external noise interference is preliminarily reduced, and then the electric signal is sent into a conveying amplifier U1 to be amplified in phase, so that the strength of a detection signal is greatly improved. The operational amplifier U2 secondarily amplifies the output signal of the operational amplifier U1, and in the amplification process, the capacitor C2 enables the output of the operational amplifier U2 to have a low-pass function, so that high-frequency interference caused by external noise can be removed, and the stability of the amplification output of the temperature detection signal is improved due to the lead compensation effect of the capacitor C2. The output signal of the operational amplifier U2 is finally filtered by the capacitor C3 and then output to the controller, and the accuracy of temperature detection is improved to the maximum extent. The controller converts the temperature detection signal into digital quantity, calculates the real-time temperature in the kiln and adjusts the temperature in the kiln in real time, thereby ensuring that the firing temperature is always within the setting range and improving the firing quality of the electroceramic glaze blank.
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 (3)
1. The utility model provides an electroceramics glaze base burns till temperature control device, includes temperature sampling circuit and phase compensation circuit, its characterized in that: the temperature sampling circuit comprises a temperature sensor for collecting the temperature in the kiln, and a detection signal of the temperature sensor is sent into a conveyor U1 for in-phase amplification after being subjected to RC filtering; the phase compensation circuit comprises an operational amplifier U2, wherein the operational amplifier U2 further amplifies the output signal of U1, forms phase compensation in the amplification process, and finally sends the amplified signal into the controller after RC filtering.
2. The electroceramic glaze blank firing temperature control device according to claim 1, characterized in that: the sampling circuit comprises a resistor R1, one end of a resistor R1 is connected with a signal output end of the temperature sensor, the other end of the resistor R1 is connected with a non-inverting input end of an operational amplifier U1 and is grounded through a capacitor C1, an output end of an operational amplifier U1 is connected with one ends of resistors R2 and R3 and an inverting input end of an operational amplifier U1 through a diode VD1, the other end of the resistor R2 is grounded, and the other end of the resistor R3 is connected with the non-inverting input end of the operational amplifier U2.
3. The device for controlling the firing temperature of the electroceramic glaze blank according to claim 2, wherein: the inverting input end of the operational amplifier U2 is grounded through a resistor R4, the output end of the operational amplifier U2 is connected with pins 1 and 3 of a rheostat RP1 through a resistor R5 and a capacitor C2 which are connected in parallel, a pin 2 of the rheostat RP1 is grounded, the output end of the operational amplifier U2 is also connected with a resistor R7, one end of the capacitor C3 and the input end of the controller through a resistor R6, and the other ends of the resistor R7 and the capacitor C3 are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021738970.9U CN212569561U (en) | 2020-08-19 | 2020-08-19 | Electric porcelain glaze blank firing temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021738970.9U CN212569561U (en) | 2020-08-19 | 2020-08-19 | Electric porcelain glaze blank firing temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212569561U true CN212569561U (en) | 2021-02-19 |
Family
ID=74627842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021738970.9U Active CN212569561U (en) | 2020-08-19 | 2020-08-19 | Electric porcelain glaze blank firing temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212569561U (en) |
-
2020
- 2020-08-19 CN CN202021738970.9U patent/CN212569561U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111238632B (en) | High-precision vibration signal acquisition and processing system | |
| CN212569561U (en) | Electric porcelain glaze blank firing temperature control device | |
| CN104020346A (en) | Micro-current signal extraction system | |
| CN209342798U (en) | A kind of voltage sampling apparatus | |
| CN110161342B (en) | Electric energy quality monitoring system and method | |
| CN206756755U (en) | A kind of stress wave signal conditioning device | |
| CN101551408A (en) | Arbitrary waveform generation device of device ageing screening lathe | |
| CN113489466A (en) | Circuit for eliminating signal offset of charge amplifier | |
| CN216704752U (en) | Aluminum product spraying drying control system | |
| CN217278703U (en) | Cable thermal ageing case temperature control system | |
| CN216448599U (en) | Temperature control device of aluminum bar heating furnace | |
| CN114397046A (en) | Temperature calibration device and temperature acquisition device | |
| CN214620564U (en) | Mold cavity air heater baking temperature monitoring system | |
| CN211013318U (en) | Pressure sensor measuring circuit | |
| CN213290767U (en) | Electric porcelain pressed compact control device | |
| CN210833909U (en) | Temperature measurement circuit and cooking utensil | |
| CN209982467U (en) | Sensor signal conditioning device and high-precision zero clearing signal acquisition chip thereof | |
| CN211149232U (en) | Engineering structure health monitoring data acquisition and processing system | |
| CN212115276U (en) | Precise high-temperature-resistant test device | |
| CN108955933B (en) | Measuring circuit for improving temperature measurement precision of steel rail and parameter selection method | |
| CN219245987U (en) | High temperature resistant PA6T copolymer vacuum drying controlling means | |
| CN217839175U (en) | Control system for electrophoretic spraying of aluminum profile wood grain | |
| CN216678931U (en) | Electrostatic spraying drying device | |
| CN207113894U (en) | A kind of band isolates jamproof relatively output circuit | |
| CN212983022U (en) | Valve foundry goods thermal treatment high temperature monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |