CN210014645U - Automatic drying device of chopsticks production line - Google Patents
Automatic drying device of chopsticks production line Download PDFInfo
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- CN210014645U CN210014645U CN201920772938.3U CN201920772938U CN210014645U CN 210014645 U CN210014645 U CN 210014645U CN 201920772938 U CN201920772938 U CN 201920772938U CN 210014645 U CN210014645 U CN 210014645U
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Abstract
The utility model discloses an automatic drying device for chopstick production line, which comprises a dryer, a controller and a detection and adjustment module, wherein the detection and adjustment module comprises a temperature detection circuit, a signal conditioning circuit and a filtering and voltage stabilizing circuit which are connected in sequence, after the temperature detection circuit detects the internal temperature of the dryer, the temperature detection signal is sent into the signal conditioning circuit in two paths, the operational amplifier AR3 in the signal conditioning circuit receives the two output signals of the temperature detection circuit, amplifies the signals by using the differential amplification principle, the operational amplifier AR4 conditions the amplified signal of the operational amplifier AR3 by using closed-loop feedback, and finally the filter voltage-stabilizing circuit sends the processed temperature detection signal to the controller, the controller controls the dryer to work according to the received signal potential value, so that the drying temperature of the dryer is kept in dynamic balance, and the drying effect and the production quality of the chopsticks are ensured.
Description
Technical Field
The utility model relates to a chopsticks production facility technical field especially relates to an automatic drying device of chopsticks production line.
Background
The existing chopstick production line mainly comprises a cutting machine, a deburring machine, a cleaning machine, a drying device, sorting equipment, an outer circle processing machine and a pattern ironing machine, wherein each stage of equipment is connected through a conveying belt. Wherein drying device mainly dries the alignment and disinfects to the chopsticks after the washing, current drying device passes through the hot-blast stoving chopsticks of fan inner loop with higher speed, control the stoving temperature through the last temperature of predetermineeing of drying device, but because site environment is complicated changeable, the inside temperature actual value of drying device is inconsistent with the temperature of predetermineeing, especially when drying device is in the high temperature or low environment fan inner loop hot-air temperature can differ too much with the temperature of predetermineeing, can appear in the in-service use in-process that the chopsticks are not air-dried completely or the too high phenomenon that leads to the chopsticks to warp of stoving temperature, bring very big inconvenience for in-service use.
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 aims to provide an automatic drying device for a chopstick production line.
The technical scheme for solving the problem is as follows: an automatic drying device for a chopstick production line comprises a dryer, a controller and a detection and adjustment module, wherein the detection and adjustment module comprises a temperature detection circuit, a signal conditioning circuit and a filtering and voltage stabilizing circuit which are sequentially connected, after the temperature detection circuit detects the internal temperature of the dryer, a temperature detection signal is sent into the signal conditioning circuit in two paths, an operational amplifier AR3 in the signal conditioning circuit receives two output signals of the temperature detection circuit, the signal is amplified by using a differential amplification principle, an operational amplifier AR4 conditions the amplified signal of the operational amplifier AR3 by using closed-loop feedback, finally the filtering and voltage stabilizing circuit sends the processed temperature detection signal into the controller, and the controller controls the dryer to work according to the magnitude of the received signal potential value; the temperature detection circuit comprises a temperature sensor RT arranged in the dryer, one end of the temperature sensor RT is connected with one end of a capacitor C1, the cathode of a voltage stabilizing diode DZ1 and the non-inverting input end of an operational amplifier AR1, the temperature sensor RT is connected with a +12V power supply through a resistor R1, the inverting input end of the operational amplifier AR1 is connected with one end of a resistor R5 through a resistor R3, and the other end of an electric group R5 is grounded through a resistor R7; the other end of the temperature sensor RT is connected with the other end of the capacitor C1, the anode of the voltage stabilizing diode DZ1 and the non-inverting input end of the operational amplifier AR2, and is grounded through a resistor R2, and the inverting input end of the operational amplifier AR2 is connected with one end of a resistor R6 through a resistor R4.
Further, the signal conditioning circuit comprises an operational amplifier AR3, an inverting input terminal of the operational amplifier AR3 is connected to one end of the resistor R5, a non-inverting input terminal of the operational amplifier AR3 is connected to one end of the resistor R6, an output terminal of the operational amplifier AR3 is connected to the pin 1 of the varistor RP1, pins 2 and 3 of the varistor RP1 are connected to an inverting input terminal of the operational amplifier AR4 and one end of the resistor R9, a non-inverting input terminal of the operational amplifier AR4 is grounded, an output terminal of the operational amplifier AR4 is connected to one end of the resistor R8 and the other end of the resistor R9, and the other end of the resistor R8 is connected to a non-inverting input terminal of.
Further, the filtering and voltage stabilizing circuit comprises an inductor L1, one end of the inductor L1 is connected with the output end of the operational amplifier AR3, the other end of the inductor L1 is connected with one end of a resistor R10, a resistor R11 and a capacitor C2, the other end of the resistor R10 is connected with one end of the capacitor C3, the base of the triode VT1 and the cathode of the zener diode DZ2, the anode of the zener diode DZ2 is grounded, the other end of the resistor R11 is connected with the collector of the triode VT1, the other ends of the capacitors C2 and C3 are grounded, and the emitter of the triode VT1 is connected with the temperature detection end of the controller.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a temperature sensor RT carries out the sampling test to the temperature of drying-machine inside in real time, and with the temperature detect signal respectively through fortune ware AR1, AR2 divides two ways into and send into signal conditioning circuit after following the amplification, signal conditioning circuit sends into the processing in the filtering voltage stabilizing circuit after amplifying the signal, the accuracy and the stability of temperature detect signal have been improved, the controller judges whether the temperature of drying-machine inside accords with the standard according to the signal potential value received and the comparison of the inside default of controller at last, make drying-machine stoving temperature maintain dynamic balance, guarantee the stoving effect and the production quality of chopsticks;
2. the operational amplifier AR3 utilizes the differential amplification principle to amplify the output signal of the temperature detection circuit rapidly, and also ensures the accuracy of temperature detection signal amplification, a part of the output signal of the operational amplifier AR3 is shunted by the rheostat RP1 and then sent into the operational amplifier AR2 for feedback adjustment, thereby preventing the amplification imbalance of the temperature detection signal and leading the temperature detection signal to be amplified and output rapidly and stably.
Drawings
Fig. 1 is a block diagram of the system of the present invention.
Fig. 2 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 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 an automatic drying device of chopsticks production line, includes drying-machine, controller and detection and regulation module, detects the regulation module and includes temperature detection circuit, signal conditioning circuit and the filtering voltage stabilizing circuit that connect gradually, temperature detection circuit is right after the inside temperature detection of drying-machine, send the temperature detection signal into signal conditioning circuit in two the tunnel, the fortune in the signal conditioning circuit puts ware AR3 and receives two tunnel output signal of temperature detection circuit, utilizes differential amplification principle to enlarge the signal, and fortune puts ware AR4 and utilizes closed-loop feedback to carry out the regulation to the amplified signal of fortune putting ware AR3, at last filtering voltage stabilizing circuit sends the temperature detection signal after handling into the controller, the controller is according to the work of the control drying-machine of received signal potential value size.
The temperature detection circuit comprises a temperature sensor RT arranged in the dryer, one end of the temperature sensor RT is connected with one end of a capacitor C1, the cathode of a voltage stabilizing diode DZ1 and the non-inverting input end of an operational amplifier AR1, the temperature sensor RT is connected with a +12V power supply through a resistor R1, the inverting input end of the operational amplifier AR1 is connected with one end of a resistor R5 through a resistor R3, and the other end of an electric group R5 is grounded through a resistor R7; the other end of the temperature sensor RT is connected with the other end of the capacitor C1, the anode of the voltage stabilizing diode DZ1 and the non-inverting input end of the operational amplifier AR2, and is grounded through a resistor R2, and the inverting input end of the operational amplifier AR2 is connected with one end of a resistor R6 through a resistor R4. The temperature sensor RT is connected with the resistors R1 and R2 in series, detected temperature signal values are sent into the operational amplifiers AR1 and AR2 respectively by the voltage division principle to be followed and amplified, the temperature detection signals are isolated and stabilized, and the stable output of the temperature detection signals is guaranteed at the two ends of the temperature sensor RT by the capacitor C1 and the voltage stabilizing diode DZ 1.
The signal conditioning circuit comprises an operational amplifier AR3, the inverting input end of the operational amplifier AR3 is connected with one end of a resistor R5, the non-inverting input end of the operational amplifier AR3 is connected with one end of a resistor R6, the output end of the operational amplifier AR3 is connected with a pin 1 of a rheostat RP1, pins 2 and 3 of the rheostat RP1 are connected with the inverting input end of the operational amplifier AR4 and one end of a resistor R9, the non-inverting input end of the operational amplifier AR4 is grounded, the output end of the operational amplifier AR4 is connected with one end of the resistor R8 and the other end of the resistor R9, and the other end of the resistor R8 is connected with the non. The output signals of the operational amplifiers AR1 and AR2 are sent to the operational amplifier AR3 to be amplified rapidly, differential amplification also ensures the accuracy of temperature detection signal amplification, and a part of the output signal of the operational amplifier AR3 is sent to the operational amplifier AR2 to be fed back and adjusted after being shunted by the rheostat RP1, so that the amplification imbalance of the temperature detection signal is prevented, and the temperature detection signal can be amplified and output rapidly and stably.
The output signal of the signal conditioning circuit is sent to a filtering and voltage stabilizing circuit for processing, the filtering and voltage stabilizing circuit comprises an inductor L1, one end of the inductor L1 is connected with the output end of an operational amplifier AR3, the other end of the inductor L1 is connected with one end of a resistor R10, a resistor R11 and one end of a capacitor C2, the other end of the resistor R10 is connected with one end of a capacitor C3, the base of a triode VT1 and the cathode of a zener diode DZ2, the anode of the zener diode DZ2 is grounded, the other end of the resistor R11 is connected with the collector of a triode VT1, the other ends of the capacitors C2 and C3 are grounded, and the emitter of the triode VT 1. The inductor L1 and the capacitor C2 form LC filtering to accurately filter an output signal of the operational amplifier AR3, accuracy of temperature detection signal output is guaranteed, then a triode voltage stabilizing circuit consisting of resistors R10, R11, a triode VT1 and a voltage stabilizing diode DZ2 performs voltage stabilizing processing on the LC filtered signal, stability of the temperature detection signal is greatly improved, and the temperature detection signal is finally input into a controller to be subjected to internal processing.
This use is novel when specifically using, temperature sensor RT carries out the sampling test to the inside temperature of drying-machine in real time, and with the temperature detect signal respectively through fortune put ware AR1, AR2 follows to enlarge the back and divide two ways to send into in the signal conditioning circuit, fortune puts ware AR3 and utilizes the difference principle of enlargiing to carry out the rapid amplification to the output signal of temperature detect circuit, and the degree of accuracy that the temperature detect signal was enlargied has also been guaranteed, fortune puts the output signal of ware AR3 partly through rheostat RP1 reposition of redundant personnel after sending into fortune and puts and carry out feedback control in the ware AR2, prevent the temperature detect signal and enlarge the maladjustment, make the temperature detect signal can the rapid stabilization output of enlarging, then filtering voltage stabilizing circuit carries out LC filtering and steady voltage processing to the temperature detect signal after enlarging, the accuracy and the stability of temperature detect signal have greatly improved. The controller judges whether the temperature in the dryer meets the standard or not according to the comparison of the received signal potential value and a preset value in the controller, wherein the preset value corresponds to a drying standard temperature value; otherwise, when the output signal value of the detection and adjustment module is smaller than the preset value, the controller controls the temperature inside the dryer to rise, so that the drying temperature of the dryer is kept in dynamic balance, the optimal drying temperature is reached, and the drying effect and the production quality of the chopsticks are ensured.
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 automatic drying device of chopsticks production line, includes drying-machine and controller, its characterized in that: the temperature detection circuit detects the internal temperature of the dryer, the temperature detection signal is sent to the signal conditioning circuit in two paths, an operational amplifier AR3 in the signal conditioning circuit receives two output signals of the temperature detection circuit, the signals are amplified by using a differential amplification principle, an operational amplifier AR4 conditions the amplified signals of the operational amplifier AR3 by using closed-loop feedback, and finally the filtering and voltage stabilizing circuit sends the processed temperature detection signal to a controller which controls the dryer to work according to the received signal potential value; the temperature detection circuit comprises a temperature sensor RT arranged in the dryer, one end of the temperature sensor RT is connected with one end of a capacitor C1, the cathode of a voltage stabilizing diode DZ1 and the non-inverting input end of an operational amplifier AR1, the temperature sensor RT is connected with a +12V power supply through a resistor R1, the inverting input end of the operational amplifier AR1 is connected with one end of a resistor R5 through a resistor R3, and the other end of an electric group R5 is grounded through a resistor R7; the other end of the temperature sensor RT is connected with the other end of the capacitor C1, the anode of the voltage stabilizing diode DZ1 and the non-inverting input end of the operational amplifier AR2, and is grounded through a resistor R2, and the inverting input end of the operational amplifier AR2 is connected with one end of a resistor R6 through a resistor R4.
2. The automatic drying device for the chopstick production line as recited in claim 1, wherein: the signal conditioning circuit comprises an operational amplifier AR3, wherein the inverting input end of the operational amplifier AR3 is connected with one end of a resistor R5, the non-inverting input end of the operational amplifier AR3 is connected with one end of a resistor R6, the output end of the operational amplifier AR3 is connected with a pin 1 of a rheostat RP1, pins 2 and 3 of the rheostat RP1 are connected with the inverting input end of the operational amplifier AR4 and one end of a resistor R9, the non-inverting input end of the operational amplifier AR4 is grounded, the output end of the operational amplifier AR4 is connected with one end of the resistor R8 and the other end of the resistor R9, and the other end of the resistor R8 is connected with the non.
3. The automatic drying device for the chopstick production line as recited in claim 2, wherein: the filtering and voltage stabilizing circuit comprises an inductor L1, one end of an inductor L1 is connected with the output end of an operational amplifier AR3, the other end of the inductor L1 is connected with one ends of a resistor R10, a resistor R11 and a capacitor C2, the other end of the resistor R10 is connected with one end of the capacitor C3, the base of a triode VT1 and the cathode of a zener diode DZ2, the anode of the zener diode DZ2 is grounded, the other end of the resistor R11 is connected with the collector of a triode VT1, the other ends of the capacitors C2 and C3 are grounded, and the emitter of the triode VT1 is connected with the temperature detection end of a controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772938.3U CN210014645U (en) | 2019-05-27 | 2019-05-27 | Automatic drying device of chopsticks production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772938.3U CN210014645U (en) | 2019-05-27 | 2019-05-27 | Automatic drying device of chopsticks production line |
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| CN210014645U true CN210014645U (en) | 2020-02-04 |
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| CN201920772938.3U Active CN210014645U (en) | 2019-05-27 | 2019-05-27 | Automatic drying device of chopsticks production line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815920A (en) * | 2022-03-09 | 2022-07-29 | 中维化纤股份有限公司 | Hot roller temperature control device is used in production of superfine denier nylon 66 |
| CN116869256A (en) * | 2023-07-31 | 2023-10-13 | 浙江卓诗尼鞋业有限公司 | Intelligent shoemaking dryer |
| CN118659751A (en) * | 2024-08-19 | 2024-09-17 | 青岛智腾微电子有限公司 | Differential gain adjusting and amplifying circuit of inertial navigation system |
-
2019
- 2019-05-27 CN CN201920772938.3U patent/CN210014645U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815920A (en) * | 2022-03-09 | 2022-07-29 | 中维化纤股份有限公司 | Hot roller temperature control device is used in production of superfine denier nylon 66 |
| CN114815920B (en) * | 2022-03-09 | 2024-02-20 | 中维化纤股份有限公司 | Hot roller temperature control device for superfine denier nylon 66 production |
| CN116869256A (en) * | 2023-07-31 | 2023-10-13 | 浙江卓诗尼鞋业有限公司 | Intelligent shoemaking dryer |
| CN116869256B (en) * | 2023-07-31 | 2024-04-30 | 浙江卓诗尼鞋业有限公司 | Intelligent shoemaking dryer |
| CN118659751A (en) * | 2024-08-19 | 2024-09-17 | 青岛智腾微电子有限公司 | Differential gain adjusting and amplifying circuit of inertial navigation system |
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