CN210952307U - Corrugated paper production drying device - Google Patents
Corrugated paper production drying device Download PDFInfo
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- CN210952307U CN210952307U CN201922170220.XU CN201922170220U CN210952307U CN 210952307 U CN210952307 U CN 210952307U CN 201922170220 U CN201922170220 U CN 201922170220U CN 210952307 U CN210952307 U CN 210952307U
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- resistor
- temperature sensor
- corrugated paper
- controller
- operational amplifier
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Abstract
The utility model discloses a corrugated paper production drying device, which comprises a drying box and a controller, wherein a heater and a temperature sensor are arranged in the drying box, the temperature sensor selects an infrared temperature sensor, the output signal of the infrared temperature sensor is sent into the controller after being processed by an amplifying and compensating circuit and a signal regulating and voltage stabilizing circuit in sequence, the utility model adopts the infrared temperature sensor to directly measure the surface drying temperature of the corrugated paper, an amplification compensation circuit and a signal regulating voltage stabilizing circuit are designed to process the temperature detection signal of the infrared temperature sensor, so that the stability and the accuracy of temperature detection are effectively improved, the interference of the external environment on the temperature detection is reduced, the temperature detection value received by the controller is real and reliable, therefore, the temperature control of the heater is more accurate, the environment effect of corrugated paper film laminating and drying is improved, and the film laminating quality of the corrugated paper is improved.
Description
Technical Field
The utility model relates to a corrugated paper production facility technical field especially relates to a corrugated paper production drying device.
Background
The corrugated paper needs to be rubberized at the tectorial membrane in-process, is about to glue the water mark and to tectorial membrane behind the corrugated paper to through pad pasting roller assembly with the membrane pressfitting on the corrugated paper, in order to improve bonding efficiency, need send into the corrugated paper after the glue pressfitting the drying-machine and spread after the stoving. In the drying process, the drying temperature and time are set according to the characteristics of the glue and the quality of the film, so that the quality of the corrugated paper film is ensured. The existing drying device is usually provided with a platinum temperature probe or a thermosensitive temperature probe in a drying box to monitor the temperature in the drying box, so that the drying temperature is controlled, when the drying device works actually, an internal heater of the drying device is directly aligned to corrugated paper to be dried, the temperature in the drying box is uneven, the surface temperature of the corrugated paper and the detection temperature of the temperature probe are deviated, and the laminating quality of the corrugated paper is influenced.
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, an object of the utility model is to provide a corrugated paper production drying device.
The technical scheme for solving the problem is as follows: the utility model provides a corrugated paper production drying device, includes stoving case and controller, stoving incasement sets up heater and temperature sensor, infrared temperature sensor is chooseed for use to temperature sensor, infrared temperature sensor's output signal loops through and sends into after amplification compensation circuit, signal conditioning voltage stabilizing circuit handle in the controller, the controller compares received temperature detection signal value with inside setting value to be used for control according to the comparative result the operating condition of heater.
Further, the amplification compensation circuit comprises a resistor R1, one end of the resistor R1 is connected to the signal output end of the infrared temperature sensor, the other end of the resistor R1 is grounded through a capacitor C1, and is connected to the inverting input end of the operational amplifier AR1 and one end of the capacitor C2 through a resistor R2, the non-inverting input end of the operational amplifier AR1 is grounded, and the output end of the operational amplifier AR1 is connected to the other end of the capacitor C2 and is connected to the input end of the signal regulation voltage stabilizing circuit through a resistor R3.
Further, the signal regulation voltage stabilizing circuit comprises a resistor R4, one end of the resistor R4 is connected to the input end of the amplification compensation circuit, the other end of the amplification compensation circuit is connected to one ends of capacitors C3 and C4 and is grounded through a resistor R5, the other end of the capacitor C3 is connected to one end of the resistor R6 and the output end of the operational amplifier AR2, the other end of the capacitor C4 is connected to the other end of the resistor R6 and the inverting input end of the operational amplifier AR2, the non-inverting input end of the operational amplifier AR2 is grounded through a resistor R7, the output end of the operational amplifier AR2 is connected to one end of the resistor R8, the cathode of the zener diode DZ1 and the input end of the controller, and the other end of the resistor R8 is grounded in parallel to the anode of the.
Further, the controller is a PLC controller.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model adopts the infrared temperature sensor to directly measure the surface drying temperature of the corrugated paper, thereby leading the temperature detection to be closer to the true value, reducing the interference of the external environment to the temperature detection, improving the laminating and drying environmental effect of the corrugated paper and improving the laminating quality of the corrugated paper;
2. the temperature detection signal of the infrared temperature sensor is processed by the amplification compensation circuit and the signal regulation voltage stabilizing circuit, so that the stability and the accuracy of temperature detection are effectively improved, the temperature control of the heater is more accurate, and the temperature detection value received by the controller is real and reliable.
Drawings
Fig. 1 is a schematic diagram of the connection between the temperature sensor and the amplification compensation circuit of the present invention.
Fig. 2 is a schematic diagram of the signal regulating voltage 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 2. 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 corrugated paper production drying device, includes stoving case and controller, sets up heater and temperature sensor in the stoving case, and infrared temperature sensor U1 is chooseed for use to temperature sensor, and infrared temperature sensor U1's output signal loops through in the controller is sent into after the processing of amplification compensation circuit, signal conditioning voltage stabilizing circuit. When the device is specifically set, the probe of the infrared temperature sensor U1 is aligned to the surface of corrugated paper, so that the real drying temperature of the corrugated paper is directly obtained, the PLC is selected for use by the controller, the PLC compares the received temperature detection signal value with the internal set value, and the PLC is used for controlling the working state of the heater according to the comparison result.
In order to improve the accuracy and stability of the temperature detection of the infrared temperature sensor U1, the output signal of the infrared temperature sensor U1 is firstly sent to an amplification compensation circuit for processing. As shown in fig. 1, the amplification compensation circuit includes a resistor R1, one end of the resistor R1 is connected to a signal output terminal of the infrared temperature sensor U1, the other end of the resistor R1 is grounded through a capacitor C1, and is connected to an inverting input terminal of the operational amplifier AR1 and one end of the capacitor C2 through a resistor R2, a non-inverting input terminal of the operational amplifier AR1 is grounded, and an output terminal of the operational amplifier AR1 is connected to the other end of the capacitor C2 and is connected to an input terminal of the signal regulation voltage regulator circuit through a resistor R3.
The detection signal output by the infrared temperature sensor U1 is firstly sent to an RC filter formed by a resistor R1 and a capacitor C1 for noise reduction, and then sent to an operational amplifier AR1 for signal amplification, wherein the capacitor C2 plays a role in signal compensation in the amplification process of the operational amplifier AR1, and the stability of the amplification output of the detection signal is ensured.
As shown in fig. 2, the temperature detection signal amplified by the operational amplifier AR1 is sent to the signal regulation voltage stabilizing circuit for processing, the signal regulation voltage stabilizing circuit includes a resistor R4, one end of the resistor R4 is connected to the input end of the amplification compensation circuit, the other end of the amplification compensation circuit is connected to one end of a capacitor C3, one end of a capacitor C4 and is grounded through a resistor R5, the other end of the capacitor C3 is connected to one end of a resistor R6 and the output end of an operational amplifier AR2, the other end of the capacitor C4 is connected to the other end of a resistor R6 and the inverting input end of the operational amplifier AR2, the non-inverting input end of the operational amplifier AR2 is grounded through a resistor R7, the output end of the operational amplifier AR2 is connected to one end of a resistor R8, the cathode of the zener diode DZ1 and the input end of the controller, and the.
In the operational amplifier processing process of the operational amplifier AR2, the resistors R4 and R5 and the capacitors C3 and C4 form a second-order RC high-pass frequency selection circuit to select the frequency of the output signal of the operational amplifier AR1, so that only the frequency signal output by the infrared temperature sensor U1 can pass through, external clutter interference is effectively inhibited, and the temperature detection accuracy is improved. The output signal of the operational amplifier AR2 is stabilized by a voltage stabilizing diode DZ1 and then sent to the PLC controller.
The utility model discloses when specifically using, adopt infrared temperature sensor U1 direct measurement corrugated paper surface drying temperature, and design amplifier compensation circuit and signal conditioning voltage stabilizing circuit handle infrared temperature sensor U1's temperature detection signal, effectively improve temperature detection's stability and degree of accuracy, reduce external environment to the interference of temperature detection, it is true and reliable to make the received temperature detection value of controller, thereby it is more accurate to the temperature control of heater, improve corrugated paper tectorial membrane stoving environment effect, improve the tectorial membrane quality of corrugated paper.
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 (4)
1. The utility model provides a corrugated paper production drying device, includes stoving case and controller, stoving incasement sets up heater and temperature sensor, its characterized in that: the temperature sensor is an infrared temperature sensor, an output signal of the infrared temperature sensor is processed by the amplification compensation circuit and the signal regulating and voltage stabilizing circuit in sequence and then sent to the controller, and the controller compares a received temperature detection signal value with an internal set value and is used for controlling the working state of the heater according to a comparison result.
2. The corrugated paper production drying device of claim 1, characterized in that: the amplification compensation circuit comprises a resistor R1, one end of a resistor R1 is connected with a signal output end of the infrared temperature sensor, the other end of the resistor R1 is grounded through a capacitor C1 and is connected with an inverting input end of an operational amplifier AR1 and one end of a capacitor C2 through a resistor R2, a non-inverting input end of the operational amplifier AR1 is grounded, and an output end of the operational amplifier AR1 is connected with the other end of a capacitor C2 and is connected with an input end of the signal regulation voltage stabilizing circuit through a resistor R3.
3. The corrugated paper production drying device of claim 2, wherein: the signal regulating and voltage stabilizing circuit comprises a resistor R4, one end of a resistor R4 is connected with the input end of the amplifying and compensating circuit, the other end of the amplifying and compensating circuit is connected with one ends of capacitors C3 and C4 and is grounded through a resistor R5, the other end of a capacitor C3 is connected with one end of a resistor R6 and the output end of an operational amplifier AR2, the other end of a capacitor C4 is connected with the other end of a resistor R6 and the inverting input end of an operational amplifier AR2, the non-inverting input end of the operational amplifier AR2 is grounded through a resistor R7, the output end of the operational amplifier AR2 is connected with one end of a resistor R8, the cathode of a voltage stabilizing diode DZ1 and the input end of the controller, and the other end of the resistor R8 is grounded in.
4. A corrugated paper production drying apparatus as claimed in any one of claims 1 to 3, characterised in that: the controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170220.XU CN210952307U (en) | 2019-12-06 | 2019-12-06 | Corrugated paper production drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170220.XU CN210952307U (en) | 2019-12-06 | 2019-12-06 | Corrugated paper production drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210952307U true CN210952307U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922170220.XU Expired - Fee Related CN210952307U (en) | 2019-12-06 | 2019-12-06 | Corrugated paper production drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210952307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441145A (en) * | 2023-03-29 | 2023-07-18 | 智微合聚先进材料科技(苏州)有限责任公司 | Production method of foam roll material |
-
2019
- 2019-12-06 CN CN201922170220.XU patent/CN210952307U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441145A (en) * | 2023-03-29 | 2023-07-18 | 智微合聚先进材料科技(苏州)有限责任公司 | Production method of foam roll material |
| CN116441145B (en) * | 2023-03-29 | 2024-06-25 | 智微合聚先进材料科技(苏州)有限责任公司 | Production method of foam roll material |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |