CN216052771U - Aluminium bar heating temperature monitoring devices - Google Patents
Aluminium bar heating temperature monitoring devices Download PDFInfo
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- CN216052771U CN216052771U CN202122568680.5U CN202122568680U CN216052771U CN 216052771 U CN216052771 U CN 216052771U CN 202122568680 U CN202122568680 U CN 202122568680U CN 216052771 U CN216052771 U CN 216052771U
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Abstract
The utility model discloses an aluminum bar heating temperature monitoring device which comprises a temperature detection unit, a controller and an electronic display, wherein the temperature detection unit comprises an infrared temperature measurement sensor for detecting the heating temperature of an aluminum bar, the infrared temperature measurement sensor is used for directly measuring the surface temperature of the aluminum bar, the response speed of measurement is improved, and the intuition is stronger; the detection signal of the infrared temperature measurement sensor is sent into the controller after being processed by the filtering noise reduction circuit, the amplification feedback regulation circuit and the amplitude stabilizing regulation circuit in sequence, so that the infrared temperature measurement precision is well improved, the measurement error caused by external interference is avoided, the heating temperature of the aluminum bar is ensured to be accurate and effective, the over-burning of the aluminum bar is avoided, and the positive influence is generated on the quality of the aluminum product processing and production.
Description
Technical Field
The utility model relates to the technical field of aluminum material processing equipment, in particular to an aluminum bar heating temperature monitoring device.
Background
Aluminum profile extrusion is a plastic working method in which an external force is applied to a metal billet placed in an extrusion cylinder to cause the metal billet to flow out of a specific die hole to obtain a desired section shape and size. The aluminum profile can be subjected to a hot shearing process before extrusion, and the quality of the hot shearing process can directly influence the extrusion process of a subsequent aluminum bar, so that the quality of a final product is influenced. In the hot shearing process, the aluminum bar needs to be heated in a heating furnace, and the temperature in the heating furnace and the temperature of the aluminum bar are detected. The existing aluminum bar heating temperature detection mode usually adopts thermocouple measurement, has large error and high time delay performance, and is easy to cause the overburning of the aluminum bar to influence the production quality.
The present invention provides a new solution to this problem.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the present invention is directed to provide a device for monitoring the heating temperature of an aluminum bar.
The technical scheme for solving the problem is as follows: the utility model provides an aluminium bar heating temperature monitoring devices, includes temperature detecting element, controller and electronic display ware, temperature detecting element is including being used for detecting aluminium bar heating temperature's infrared temperature sensor, infrared temperature sensor's detected signal sends into after filter noise reduction circuit, amplification feedback regulating circuit and steady amplitude regulating circuit are handled in proper order in the controller, the controller passes through data serial ports and connects the electronic display ware.
Furthermore, the filtering and noise reducing circuit comprises a resistor R1, one end of a resistor R1 is connected with the signal output end of the infrared temperature measuring sensor and is grounded through a capacitor C1, and the other end of the resistor R1 is grounded through a capacitor C2.
Further, the amplification feedback regulation circuit comprises an operational amplifier AR1 and an operational amplifier AR2, a non-inverting input terminal of the operational amplifier AR1 is connected to the other end of the resistor R1, an inverting input terminal of the operational amplifier AR1 is grounded, an output terminal of the operational amplifier AR1 is connected to an inverting input terminal of the operational amplifier AR2 and one end of the capacitor C4 through a resistor R3, a non-inverting input terminal of the operational amplifier AR2 is grounded, the other end of the capacitor C4 is connected to an output terminal of the operational amplifier AR2 through a resistor R2, and an output terminal of the operational amplifier AR2 is connected to a non-inverting input terminal of the operational amplifier AR1 through a capacitor C3.
Further, the amplitude stabilizing and adjusting circuit comprises an operational amplifier AR3, a non-inverting input terminal of the operational amplifier AR3 is connected to an output terminal of the operational amplifier AR1, an inverting input terminal of the operational amplifier AR3 is connected to an output terminal of the operational amplifier AR3 and the controller through a resistor R4 and a zener diode DZ1 which are connected in parallel, and an output terminal of the operational amplifier AR3 is further grounded through a resistor R5.
Through the technical scheme, the utility model has the beneficial effects that: according to the utility model, the infrared temperature measuring sensor is used for directly measuring the surface temperature of the aluminum bar, so that the response speed of measurement is improved, and the intuition is stronger; the detection signal of the infrared temperature measurement sensor is sequentially sent into the filtering noise reduction circuit, the amplification feedback regulation circuit and the amplitude stabilizing regulation circuit to be processed, the infrared temperature measurement precision is well improved, the external interference is avoided to cause measurement errors, the aluminum bar heating temperature monitoring is guaranteed to be accurate and effective, the aluminum bar overburning situation is avoided, and the positive influence is generated on the aluminum product processing and production quality.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities 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 of 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 aluminium bar heating temperature monitoring devices, includes temperature detecting element, controller and electronic display ware, temperature detecting element is including being used for detecting aluminium bar heating temperature's infrared temperature sensor, infrared temperature sensor's detected signal sends into after filter noise reduction circuit, amplification feedback regulating circuit and steady amplitude regulating circuit are handled in proper order in the controller, the controller passes through data serial ports and connects the electronic display ware.
As shown in FIG. 1, the filtering and noise reducing circuit includes a resistor R1, one end of the resistor R1 is connected to the signal output end of the infrared temperature sensor and is grounded through a capacitor C1, and the other end of the resistor R1 is grounded through a capacitor C2.
The amplifying feedback adjusting circuit comprises operational amplifiers AR1 and AR2, the non-inverting input end of the operational amplifier AR1 is connected with the other end of the resistor R1, the inverting input end of the operational amplifier AR1 is grounded, the output end of the operational amplifier AR1 is connected with the inverting input end of the operational amplifier AR2 and one end of the capacitor C4 through a resistor R3, the non-inverting input end of the operational amplifier AR2 is grounded, the other end of the capacitor C4 is connected with the output end of the operational amplifier AR2 through a resistor R2, and the output end of the operational amplifier AR2 is connected with the non-inverting input end of the operational amplifier AR1 through a capacitor C3.
The amplitude stabilizing regulating circuit comprises an operational amplifier AR3, wherein the non-inverting input end of the operational amplifier AR3 is connected with the output end of the operational amplifier AR1, the inverting input end of the operational amplifier AR3 is connected with the output end of the operational amplifier AR3 and the controller through a resistor R4 and a voltage stabilizing diode DZ1 which are connected in parallel, and the output end of the operational amplifier AR3 is also grounded through a resistor R5.
When the device is used specifically, the infrared temperature measuring sensor is used for directly measuring the surface temperature of the aluminum bar, so that the response speed of measurement is improved, and the intuition is stronger. In order to improve the infrared temperature measurement precision and avoid measurement errors caused by external interference, the detection signals of the infrared temperature measurement sensor are sequentially sent to the filtering noise reduction circuit, the amplification feedback regulation circuit and the amplitude stabilization regulation circuit for processing. Firstly, a filtering noise reduction circuit adopts a pi-type RC filter principle to reduce noise of a detection signal and eliminate peak interference generated by an external high-frequency light source on an infrared detection signal; then, the amplification feedback adjusting circuit adopts an operational amplifier AR1 to amplify the detection signal after RC filtering in phase, in order to avoid the amplification imbalance, an operational amplifier AR2 is used to perform closed-loop feedback adjustment on the output signal of the operational amplifier AR1, a resistor R2 is connected in series with a capacitor C4 to form an RC buffer to compensate the output signal of the operational amplifier AR2, and the continuous and stable operation of the closed-loop feedback is ensured; the output signal of the operational amplifier AR2 is coupled by the capacitor C3 and then sent to the non-inverting input end of the operational amplifier AR2, so that the offset voltage of the operational amplifier is offset, the null shift of the amplified detection signal is well avoided, and the amplification precision is ensured.
The amplitude stabilizing adjusting circuit adopts an operational amplifier AR3 to carry out secondary amplification on the detection signal, and an amplitude stabilizing feedback component consisting of a resistor R4 and a voltage stabilizing diode DZ1 is added at the feedback end of the operational amplifier AR3, so that the stability of the amplitude of the output signal of the operational amplifier AR3 is ensured, the output waveform of the detection signal is improved, and the receiving and identifying capability of the controller on the detection signal is improved. The controller calculates the real-time heating temperature of the aluminum bar after analyzing and processing the received detection signal waveform, and sends the detection result to the electronic display for display, so that the operator can check conveniently. When the heating temperature of the aluminum bar exceeds the set range value, the worker is timely reminded to adjust and modify the parameters, so that the over-burning of the aluminum bar is effectively avoided. The utility model is accurate and effective in monitoring the heating temperature of the aluminum bar and has positive influence on the processing and production quality of the aluminum material.
While the utility model has been described in further detail with reference to specific embodiments thereof, it is not intended that the utility model be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (4)
1. The utility model provides an aluminium bar heating temperature monitoring devices, includes temperature detecting element, controller and electronic display ware, its characterized in that: the temperature detection unit comprises an infrared temperature measurement sensor for detecting the heating temperature of the aluminum bar, detection signals of the infrared temperature measurement sensor are sent into the controller after being processed by the filtering noise reduction circuit, the amplification feedback adjusting circuit and the amplitude stabilizing adjusting circuit in sequence, and the controller is connected with the electronic display through a data serial port.
2. The aluminum bar heating temperature monitoring device according to claim 1, characterized in that: the filtering and noise reducing circuit comprises a resistor R1, one end of a resistor R1 is connected with the signal output end of the infrared temperature measuring sensor and is grounded through a capacitor C1, and the other end of the resistor R1 is grounded through a capacitor C2.
3. The aluminum bar heating temperature monitoring device according to claim 2, characterized in that: the amplifying feedback adjusting circuit comprises an operational amplifier AR1 and an operational amplifier AR2, the non-inverting input end of the operational amplifier AR1 is connected with the other end of a resistor R1, the inverting input end of the operational amplifier AR1 is grounded, the output end of the operational amplifier AR1 is connected with the inverting input end of the operational amplifier AR2 and one end of a capacitor C4 through a resistor R3, the non-inverting input end of the operational amplifier AR2 is grounded, the other end of the capacitor C4 is connected with the output end of the operational amplifier AR2 through a resistor R2, and the output end of the operational amplifier AR2 is connected with the non-inverting input end of the operational amplifier AR1 through a capacitor C3.
4. The aluminum bar heating temperature monitoring device according to claim 3, characterized in that: the amplitude stabilizing adjusting circuit comprises an operational amplifier AR3, the non-inverting input end of the operational amplifier AR3 is connected with the output end of the operational amplifier AR1, the inverting input end of the operational amplifier AR3 is connected with the output end of the operational amplifier AR3 and the controller through a resistor R4 and a voltage stabilizing diode DZ1 which are connected in parallel, and the output end of the operational amplifier AR3 is grounded through a resistor R5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122568680.5U CN216052771U (en) | 2021-10-25 | 2021-10-25 | Aluminium bar heating temperature monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122568680.5U CN216052771U (en) | 2021-10-25 | 2021-10-25 | Aluminium bar heating temperature monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216052771U true CN216052771U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122568680.5U Active CN216052771U (en) | 2021-10-25 | 2021-10-25 | Aluminium bar heating temperature monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216052771U (en) |
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2021
- 2021-10-25 CN CN202122568680.5U patent/CN216052771U/en active Active
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