CN218507268U

CN218507268U - Bellows coiling mechanism

Info

Publication number: CN218507268U
Application number: CN202122248143.2U
Authority: CN
Inventors: 余军
Original assignee: Delfingen Hebi Auto Parts Co ltd
Current assignee: Delfingen Hebi Auto Parts Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2023-02-21
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a bellows coiling mechanism, including the frame, be equipped with meter rice measuring component in the frame, meter rice measuring component includes electron meter rice ware, signal processing unit and controller, the signal processing unit is including the low pass that connects gradually fall circuit, accurate amplifier circuit and the stable regulating circuit of making an uproar, the utility model discloses a set up electron meter rice ware and measure bellows rolling length to design signal processing unit and handle meter rice detected signal, effectively avoid causing the unstable situation of detected signal appearance because of the rolling is undulant, improve the stability of detecting signal processing precision and signal output, thereby guarantee the accuracy of bellows rolling meter rice.

Description

Bellows coiling mechanism

Technical Field

The utility model relates to a waterproofing membrane production facility technical field especially relates to a bellows coiling mechanism.

Background

In the industries of automobiles, rail transit, wind power, aviation, civil electricity and the like, the protection requirements of cables or pipelines are all related, and the protection mode mainly adopted at present is to coat the pipelines needing protection by using corrugated pipes. The corrugated pipe can improve the wear resistance of the pipeline, prevent the pipeline from being corroded and damaged, and has certain heat resistance, flame retardance and insulativity. In the process of receiving the corrugated pipe, the meter counter is used for metering the winding of the corrugated pipe, and the winding of the corrugated pipe fluctuates due to unstable tension, so that the detection signal of the meter counter is unstable, and the meter precision 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 present invention is to provide a bellows rolling device.

The technical scheme for solving the problem is as follows: the utility model provides a bellows coiling mechanism, includes the frame, is equipped with meter rice measuring component in the frame, meter rice measuring component includes electron meter rice ware, signal processing unit and controller, signal processing unit falls circuit, accurate amplifier circuit and stable regulating circuit including the low pass that connects gradually, the input of circuit that falls is fallen in the low pass is connected the signal output part of electron meter rice ware, stable regulating circuit's output is connected the controller.

Further, the low-pass noise reduction circuit comprises capacitors C1 and C2 and a resistor R1, one ends of the capacitors C1 and the resistor R1 are connected with a signal output end of the electronic meter counter, the other end of the resistor R1 is connected with one end of the capacitor C2 and an input end of the precision amplification circuit, and the other ends of the capacitors C1 and C2 are grounded.

Furthermore, the precision amplifying circuit comprises an operational amplifier U1, the non-inverting input end of the operational amplifier U1 is connected with the output end of the low-pass noise reduction circuit, the inverting input end of the operational amplifier U1 is connected with one ends of capacitors C3 and C4 and a resistor R2, the other ends of the resistor R2 and the capacitor C4 are grounded, and the other end of the capacitor C3 is connected with the output end of the operational amplifier U1 through a resistor R3.

Further, the stable regulating circuit comprises an MOS tube Q1, the grid electrode of the MOS tube Q1 is connected with the output end of the operational amplifier U1 through a resistor R4, and is connected with one end of a resistor R5 and a capacitor C5 through an inductor L1, the other end of the resistor R5 is connected with +5V voltage, the other end of the capacitor C5 is connected with the drain electrode of the MOS tube Q1 and the collector electrode of the triode VT1, the source electrode of the MOS tube Q1 is connected with one end of a resistor R7 and the cathode of the voltage stabilizing diode DZ1, and is grounded through a resistor R6 and a capacitor C6 which are connected in parallel, the anode of the voltage stabilizing diode DZ1 is grounded, the other end of the resistor R7 is connected with the base electrode of the triode VT1, and the emitting electrode of the triode VT1 is connected with the controller and is grounded through a resistor R8.

Through the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a set up electron meter rice ware and measure bellows rolling length to design signal processing unit and handle meter rice detected signal, effectively avoid causing the detected signal unstable situation to appear because of the rolling is undulant, improve detected signal processing precision and signal output's stability, thereby guarantee the accuracy of bellows rolling meter rice.

Drawings

Fig. 1 is a schematic circuit diagram of the signal processing unit 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 bellows coiling mechanism, includes the frame, is equipped with meter rice measuring component in the frame, meter rice measuring component includes electron meter rice ware, signal processing unit and controller, signal processing unit falls circuit, accurate amplifier circuit and stable regulating circuit including the low pass that connects gradually, the input of circuit that falls is fallen in the low pass is connected the signal output part of electron meter rice ware, stable regulating circuit's output is connected the controller.

As shown in fig. 1, the low-pass noise reduction circuit includes capacitors C1 and C2 and a resistor R1, one ends of the capacitor C1 and the resistor R1 are connected to the signal output end of the electronic meter counter, the other end of the resistor R1 is connected to one end of the capacitor C2 and the input end of the precision amplification circuit, and the other ends of the capacitors C1 and C2 are grounded.

The precision amplifying circuit comprises an operational amplifier U1, the in-phase input end of the operational amplifier U1 is connected with the output end of the low-pass noise reduction circuit, the inverting input end of the operational amplifier U1 is connected with one ends of capacitors C3 and C4 and a resistor R2, the other ends of the resistor R2 and the capacitor C4 are grounded, and the other end of the capacitor C3 is connected with the output end of the operational amplifier U1 through a resistor R3.

The stable regulating circuit comprises an MOS tube Q1, the grid electrode of the MOS tube Q1 is connected with the output end of the operational amplifier U1 through a resistor R4, the grid electrode of the MOS tube Q1 is connected with one end of a resistor R5 and one end of a capacitor C5 through an inductor L1, the other end of the resistor R5 is connected with +5V voltage, the other end of the capacitor C5 is connected with the drain electrode of the MOS tube Q1 and the collector electrode of the triode VT1, the source electrode of the MOS tube Q1 is connected with one end of a resistor R7 and the cathode of the voltage stabilizing diode DZ1 and is grounded through a resistor R6 and a capacitor C6 which are connected in parallel, the anode of the voltage stabilizing diode DZ1 is grounded, the other end of the resistor R7 is connected with the base electrode of the triode VT1, and the emitting electrode of the triode VT1 is connected with the controller and is grounded through a resistor R8.

The utility model discloses when specifically using, adopt the meter rice ware of electron to measure bellows rolling length, the detection signal of meter rice ware of electron exports with the form of the signal of telecommunication. In order to ensure the accuracy of meter counting detection, firstly, a low-pass noise reduction circuit is adopted to process a detection signal, and capacitors C1 and C2 and a resistor R1 form a pi-type RC filter to perform low-pass noise reduction on the detection signal, so that the interference of external mechanical noise on the detection signal is well eliminated. Then the detection signal is sent to a precise amplifying circuit to be enhanced, wherein the operational amplifier U1 amplifies the detection signal in phase, the serially connected capacitor C3 and the resistor R3 form buffer compensation at the negative feedback end of the operational amplifier U1, so that the output signal of the operational amplifier U1 is well wave-shaped improved, and the unstable situation of the detection signal caused by rolling fluctuation is effectively avoided. Meanwhile, the capacitor C4 also plays a role in eliminating thermal noise at the inverting input end of the operational amplifier U1, and the amplification precision of the operational amplifier U1 is improved.

The stable regulating circuit is used for carrying out amplitude stabilization on an output signal of the operational amplifier U1, and the specific working flow is as follows: firstly, utilize MOS pipe Q1 to follow the amplifier U1's output signal and enlarge, inductance L1 meets electric capacity C5 and forms LC frequency-selective filtering in following the amplification process, clutter signal in the detected signal filters, detection accuracy has greatly been promoted, then send into triode VT1 in carry out amplitude stabilization and handle, zener diode DZ1 effect reference component provides stable conducting voltage to triode VT 1's base, the resistance-capacitance stabilizer that resistance R6 and electric capacity C6 formed also plays signal stabilization well simultaneously, the steady output of detected signal has greatly been guaranteed, guarantee the validity of controller to meter rice detected signal receipt. The controller receives the meter-counting detection signals and then calculates the meter-counting detection signals in the meter-counting detection system, and when the meter-counting detection values are accumulated to reach a system set value, the corrugated pipe is automatically cut off, so that winding is completed.

To sum up, the utility model discloses a set up electron meter rice ware and measure bellows rolling length to design signal processing unit and handle meter rice detected signal, effectively avoid causing the detected signal to appear unstable situation because of the rolling is undulant, improve the stability of detected signal processing precision and signal output, thereby guarantee the accuracy of bellows rolling meter rice.

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

1. The utility model provides a bellows coiling mechanism, includes the frame, is equipped with meter rice measuring component in the frame, its characterized in that: the meter-counting measuring component comprises an electronic meter counter, a signal processing unit and a controller, wherein the signal processing unit comprises a low-pass noise reduction circuit, a precision amplification circuit and a stability adjusting circuit which are sequentially connected, the input end of the low-pass noise reduction circuit is connected with the signal output end of the electronic meter counter, and the output end of the stability adjusting circuit is connected with the controller;

the low-pass noise reduction circuit comprises capacitors C1 and C2 and a resistor R1, one ends of the capacitor C1 and the resistor R1 are connected with a signal output end of the electronic meter counter, the other end of the resistor R1 is connected with one end of the capacitor C2 and an input end of the precise amplification circuit, and the other ends of the capacitors C1 and C2 are grounded;

the precision amplifying circuit comprises an operational amplifier U1, the in-phase input end of the operational amplifier U1 is connected with the output end of the low-pass noise reduction circuit, the reverse-phase input end of the operational amplifier U1 is connected with one ends of capacitors C3 and C4 and a resistor R2, the other ends of the resistor R2 and the capacitor C4 are grounded, and the other end of the capacitor C3 is connected with the output end of the operational amplifier U1 through the resistor R3;