Spinning stock bin pressure stabilization control device

Abstract

The utility model belongs to the technical field of electrical automation control equipment, and particularly discloses a spinning stock bin pressure stabilization control device which comprises an electric contact pressure gauge, a control box, an inflation pipe and an exhaust pipe which are installed at the upper end of a stock bin. Through the cooperation of the control module, the processing module, the electric contact pressure gauge, the electromagnetic valve and the gas flow sensor, the electric contact pressure gauge is used for monitoring the pressure value in the stock bin in real time and transmitting the sensed pressure value to the processing module for processing, and the processing module transmits the processed data to the control module. The control module is used for controlling opening or closing of the electromagnetic valves on the exhaust pipe and the inflation pipe, and when the electromagnetic valves are opened, the gas flow sensor is used for sensing the exhaust rate in the stock bin in real time, so that the stock bin can be accurately controlled within a stable pressure range, and automatic and accurate control over the pressure of the stock bin is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical automation control equipment, in particular to a spinning material bin voltage stabilization control device. Background Art

[0002] The spinning silo is a closed device, and the raw material polyester chips are transported pneumatically. Whenever the material is fed, the pressure inside the silo will be as high as 15-20KPa due to the high conveying speed and high temperature during transportation. Excessive pressure will affect the continuity and quality stability of the spinning process, and the result in production is that there are many problems with the lights on the hair.

[0003] At present, the pressure control in the spinning silo usually needs to be equipped with a controller, a dust collector, a pressure relief valve and a pressure gauge, among which the pressure gauge used is an ordinary pressure gauge. Since the pressure in the spinning silo is affected by humidity and environment, and the ordinary pressure gauge is greatly disturbed by the external environment, the accuracy of the internal pressure detection of the silo is not high, which makes it inconvenient to automatically and accurately control the pressure in the silo. Therefore, we need to propose a spinning silo pressure stabilization control device to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a spinning silo pressure stabilizing control device, which accurately controls the solenoid valve to adjust the air pressure in the silo, so that the silo can be accurately controlled within a stable pressure range, which is beneficial to the automatic and precise control of the silo pressure to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spinning silo pressure stabilization control device, comprising an electric contact pressure gauge, a control box, an air charging pipe and an exhaust pipe installed at the upper end of the silo, wherein the exhaust pipe and the air charging pipe are both installed with a solenoid valve and a gas flow sensor, and the control box is detachably connected to the silo through a quick-install mechanism;

[0006] The control box is internally installed with a control module, a power supply module and a processing module. The control module is respectively connected to the power supply module, the processing module, the solenoid valve and the gas flow sensor. The electric contact pressure gauge and the gas flow sensor are both electrically connected to the processing module.

[0007] Preferably, the solenoid valve is configured as a one-way valve, and the gas flow sensor is located on the exhaust pipe on the side of the solenoid valve away from the silo.

[0008] Preferably, the quick-install mechanism includes a U-shaped frame fixed to the upper end of the silo, and installation grooves for inserting the lower end of the control box are opened on both sides of the U-shaped frame, and a limit rod is movably inserted into the open end of the U-shaped frame, and one side of the limit rod is in contact with the outer wall of the control box.

[0009] Preferably, the control box has integrally formed convex edges on the lower ends of the opposite sides, and the convex edges are slidably installed inside the mounting grooves, one of the mounting grooves is provided with a blind hole for inserting one end of a limit rod, the other mounting groove is provided with a through hole for passing one end of the limit rod, and the other end of the limit rod is provided with a yield groove for pulling out the limit rod.

[0010] Preferably, the processing module includes a processing chip U3, a crystal oscillator Y1 is connected between pins 3 and 4 of the processing chip U3, capacitors C6 and C7 are connected to the two ends of the crystal oscillator Y1, one end of the capacitor C6 and one end of the capacitor C7 are both grounded, a resistor R6 and a crystal oscillator X1 are connected in parallel between pins 5 and 6 of the processing chip U3, capacitors C8 and C9 are connected to the two ends of the crystal oscillator X1, one end of the capacitor C8 and one end of the capacitor C9 are both grounded.

[0011] Preferably, the control module includes a single-chip microcomputer chip U2, pin 2 of the single-chip microcomputer chip U2 is connected to a diode D9, one end of the diode D9 is connected to a resistor R1, the connecting end of the diode D9 and the resistor R1 and pin 3 of the single-chip microcomputer chip U2 are all connected to the processing chip U3, a resistor R2 and a light-emitting diode L1 are connected in series between pins 2 and 16 of the single-chip microcomputer chip U2, and pin 16 of the single-chip microcomputer chip U2 is also connected to a capacitor C4 to ground.

[0012] Preferably, the power supply module includes a power control chip U1 and a transformer T1 connected to the power control chip U1, the output side of the transformer T1 is respectively connected to a resistor R11 and a resistor R13, one end of the resistor R11 is connected to a transistor Q1, a resistor R12 is connected between the drain and the gate of the transistor Q1, one end of the resistor R13 is connected to a transistor Q2, a resistor R14 is connected between the drain and the gate of the transistor Q2, and a capacitor C11 is connected between the VCC pin and the GND pin of the power control chip U1.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model mainly cooperates with a control module, a processing module, an electric contact pressure gauge, a solenoid valve and a gas flow sensor, uses an electric contact pressure gauge to monitor the pressure value in the silo in real time, and transmits the sensed pressure value to the processing module for processing. The processing module transmits the processed data to the control module, and controls the opening or closing of the solenoid valves on the exhaust pipe and the inflation pipe through the control module. When the solenoid valve is opened, the gas flow sensor is used to sense the exhaust rate in the silo in real time, so as to accurately control the solenoid valve to adjust the air pressure in the silo, so that the silo can be accurately controlled within a stable pressure range, which is conducive to the automatic and precise control of the silo pressure.

[0015] 2. The utility model provides a quick-installation mechanism so that the control box can be quickly installed on the upper end of the silo, and also facilitates the quick disassembly of the control box, thereby improving the convenience of disassembly, assembly and maintenance of the control box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of the quick-install mechanism and the control box of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of the quick-loading mechanism of the utility model;

[0019] Figure 4 This is the circuit diagram of the processing module of the utility model;

[0020] Figure 5 This is the circuit diagram of the control module of the utility model;

[0021] Figure 6 This is the circuit diagram of the power supply module of the utility model.

[0022] In the figure: 1. silo; 2. electric contact pressure gauge; 3. exhaust pipe; 4. solenoid valve; 5. control box; 6. quick-install mechanism; 61. U-shaped frame; 62. limit rod; 63. mounting groove; 64. blind hole; 65. through hole; 66. clearance groove; 7. silo door; 8. box door; 9. convex edge; 10. inflation tube. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 6 The utility model provides a technical solution: a spinning silo pressure stabilization control device, comprising an electric contact pressure gauge 2, a control box 5, an air charging pipe 10 and an exhaust pipe 3 installed at the upper end of the silo 1, wherein the exhaust pipe 3 and the air charging pipe 10 are both installed with a solenoid valve 4 and a gas flow sensor, the control box 5 is detachably connected to the silo 1 through a quick-install mechanism 6, and one end of the air charging pipe 10 is connected to a pressure supply mechanism;

[0025] The electric contact pressure gauge 2 is used to monitor the pressure value in the silo 1 in real time, and the sensed pressure value is transmitted to the processing module for processing. The processing module transmits the processed data to the control module. When the pressure in the silo 1 is high, the opening of the solenoid valve 4 on the exhaust pipe 3 is controlled by the control module. When the solenoid valve 4 is opened, the gas flow sensor is used to sense the exhaust rate in the silo 1 in real time, and then the sensed rate value is transmitted to the processing module for processing. The processed rate value is transmitted to the control module, and the opening and closing size of the solenoid valve 4 is controlled by the control module. When the pressure in the silo 1 is low, the solenoid valve 4 on the inflation pipe 10 is controlled to open by the control module to pressurize the silo 1, so as to accurately control the solenoid valve 4 to adjust the air pressure in the silo 1, so that the silo 1 can be accurately controlled within a stable pressure range, which is conducive to the automatic and precise control of the pressure of the silo 1.

[0026] The solenoid valve 4 is configured as a one-way valve, and the gas flow sensor is located on the exhaust pipe 3 on the side of the solenoid valve 4 away from the silo 1. The flow sensor is then used to actually sense the rate of exhaust in the exhaust pipe 3 to prevent excessive pressure discharge in the silo 1, which is beneficial for stabilizing the pressure in the silo 1.

[0027] The quick-install mechanism 6 includes a U-shaped frame 61 fixed to the upper end of the silo 1, and installation grooves 63 for inserting the lower end of the control box 5 are opened on both sides of the U-shaped frame 61, and a limit rod 62 is movably inserted into the open end of the U-shaped frame 61, and one side of the limit rod 62 is in contact with the outer wall of the control box 5.

[0028] The lower ends of the two opposite sides of the control box 5 are integrally formed with convex edges 9, and the convex edges 9 are slidably installed in the interior of the mounting grooves 63, wherein a blind hole 64 is provided in one of the mounting grooves 63 for inserting one end of the limit rod 62, and a through hole 65 is provided on the other mounting groove 63 for passing one end of the limit rod 62, and a clearance groove 66 for pulling out the limit rod 62 is provided at the other end of the limit rod 62. During installation, the limit rod 62 is taken out of the U-shaped frame 61 through the clearance groove 66, and then the convex edges 9 on both sides of the control box 5 are inserted into the mounting grooves 63. When the adjacent ends of the control box 5 When the three sides are in contact with the inner wall of the U-shaped frame 61, one end of the limit rod 62 is passed through the through hole 65 and inserted into the inside of the blind hole 64, so that one side of the limit rod 62 is in contact with the other side of the control box 5, thereby fixing the control box 5 in the U-shaped frame 61, so that the control box 5 can be quickly installed on the upper end of the silo 1, and it is also convenient for the rapid disassembly of the control box 5, thereby improving the convenience of disassembly and maintenance of the control box 5. A box door 8 is provided on the side of the control box 5 opposite to the limit rod 62, and the box door 8 is located above the U-shaped frame 61, so that the components inside the control box 5 can be opened in the box door 8 for inspection and maintenance.

[0029] The control box 5 is internally installed with a control module, a power supply module and a processing module. The control module is respectively connected to the power supply module, the processing module, the solenoid valve 4 and the gas flow sensor. The electric contact pressure gauge 2 and the gas flow sensor are both electrically connected to the processing module.

[0030] The processing module includes a processing chip U3, a crystal oscillator Y1 is connected between pins 3 and 4 of the processing chip U3, capacitors C6 and C7 are connected to both ends of the crystal oscillator Y1, one end of the capacitor C6 and one end of the capacitor C7 are grounded, a resistor R6 and a crystal oscillator X1 are connected in parallel between pins 5 and 6 of the processing chip U3, capacitors C8 and C9 are connected to both ends of the crystal oscillator X1, one end of the capacitor C8 and one end of the capacitor C9 are grounded, and the processing chip U3 is responsible for interpreting and executing program instructions and processing data to complete the processing of the gas flow sensor and the electric contact pressure gauge data: the processing chip U3 synchronizes its internal operations by receiving clock signals from the crystal oscillator Y1 and the crystal oscillator X1, thereby improving processing efficiency and maintaining system stability.

[0031] The control module includes a single-chip microcomputer chip U2, pin 2 of the single-chip microcomputer chip U2 is connected to a diode D9, one end of the diode D9 is connected to a resistor R1, the connecting end of the diode D9 and the resistor R1 and pin 3 of the single-chip microcomputer chip U2 are all connected to the processing chip U3, a resistor R2 and a light-emitting diode L1 are connected in series between pins 2 and 16 of the single-chip microcomputer chip U2, and pin 16 of the single-chip microcomputer chip U2 is also connected to a capacitor C4 to ground. The single-chip microcomputer chip U2 controls the opening or closing of the solenoid valves 4 on the exhaust pipe 3 and the inflation pipe 10 by receiving and processing signals from other components (including signals from the processing chip U3) so as to keep the pressure in the silo 1 stable. The diode D9 and the resistor R1 are used for filtering and stabilizing signals to prevent high reverse voltage or current spikes from damaging the single-chip microcomputer chip U2.

[0032] The power supply module includes a power control chip U1 and a transformer T1 connected to the power control chip U1. The output side of the transformer T1 is connected to a resistor R11 and a resistor R13 respectively. One end of the resistor R11 is connected to a transistor Q1. A resistor R12 is connected between the drain and the gate of the transistor Q1. One end of the resistor R13 is connected to a transistor Q2. A resistor R14 is connected between the drain and the gate of the transistor Q2. A capacitor C11 is connected between the VCC pin and the GND pin of the power control chip U1. The power control chip U1 is responsible for managing and controlling the entire power conversion process. The transformer T1 is mainly used for voltage rise and fall conversion in the power supply module. By adjusting the turns ratio of the transformer, the voltage level can be effectively changed, and the power control chip U1 can be used to achieve accurate voltage output. The resistor R11 and the resistor R13 are used to form a voltage divider network to provide appropriate bias voltages for the transistors Q1 and Q2 to ensure that they operate in the correct working area. The transistors Q1 and Q2 are turned on or off under the control of the PWM signal, thereby controlling the magnetic energy storage and release of the transformer T1.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spinning silo pressure stabilization control device, characterized in that: It comprises an electric contact pressure gauge (2), a control box (5), an air filling pipe (10) and an exhaust pipe (3) installed at the upper end of a silo (1), wherein the exhaust pipe (3) and the air filling pipe (10) are both installed with an electromagnetic valve (4) and a gas flow sensor, and the control box (5) is detachably connected to the silo (1) via a quick-install mechanism (6); A control module, a power supply module and a processing module are installed inside the control box (5); the control module is respectively connected to the power supply module, the processing module, the solenoid valve (4) and the gas flow sensor; the electric contact pressure gauge (2) and the gas flow sensor are both electrically connected to the processing module.

2. A spinning silo pressure stabilization control device according to claim 1, characterized in that: The solenoid valve (4) is configured as a one-way valve, and the gas flow sensor is located on the exhaust pipe (3) on the side of the solenoid valve (4) away from the silo (1).

3. A spinning silo pressure stabilization control device according to claim 2, characterized in that: The quick-installation mechanism (6) comprises a U-shaped frame (61) fixed to the upper end of the silo (1), and mounting grooves (63) for inserting the lower end of the control box (5) are provided on both sides of the U-shaped frame (61), and a limit rod (62) is movably inserted into the open end of the U-shaped frame (61), and one side of the limit rod (62) contacts the outer wall of the control box (5).

4. A spinning silo pressure stabilization control device according to claim 3, characterized in that: The control box (5) has convex edges (9) integrally formed at the lower ends of the two opposite sides. The convex edges (9) are slidably mounted inside the mounting grooves (63). A blind hole (64) is provided inside one of the mounting grooves (63) for inserting one end of the limit rod (62). A through hole (65) is provided on the other mounting groove (63) for passing one end of the limit rod (62). A clearance groove (66) for pulling out the limit rod (62) is provided at the other end of the limit rod (62).

5. A spinning silo pressure stabilization control device according to claim 4, characterized in that: The processing module includes a processing chip U3, a crystal oscillator Y1 is connected between pins 3 and 4 of the processing chip U3, capacitors C6 and C7 are connected to both ends of the crystal oscillator Y1, one end of the capacitor C6 and one end of the capacitor C7 are both grounded, a resistor R6 and a crystal oscillator X1 are connected in parallel between pins 5 and 6 of the processing chip U3, capacitors C8 and C9 are connected to both ends of the crystal oscillator X1, one end of the capacitor C8 and one end of the capacitor C9 are both grounded.

6. A spinning silo pressure stabilization control device according to claim 5, characterized in that: The control module includes a single-chip microcomputer chip U2, pin 2 of the single-chip microcomputer chip U2 is connected to a diode D9, one end of the diode D9 is connected to a resistor R1, the connecting end of the diode D9 and the resistor R1 and pin 3 of the single-chip microcomputer chip U2 are all connected to the processing chip U3, a resistor R2 and a light-emitting diode L1 are connected in series between pins 2 and 16 of the single-chip microcomputer chip U2, and pin 16 of the single-chip microcomputer chip U2 is also connected to a ground capacitor C4.

7. A spinning silo pressure stabilization control device according to claim 6, characterized in that: The power supply module includes a power control chip U1 and a transformer T1 connected to the power control chip U1. The output side of the transformer T1 is respectively connected to a resistor R11 and a resistor R13. One end of the resistor R11 is connected to a transistor Q1. A resistor R12 is connected between the drain and the gate of the transistor Q1. One end of the resistor R13 is connected to a transistor Q2. A resistor R14 is connected between the drain and the gate of the transistor Q2. A capacitor C11 is connected between the VCC pin and the GND pin of the power control chip U1.

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