KR101563316B1 - operating system for vibrator of powder feeding apparatus - Google Patents

Abstract

The present invention relates to an operating system for a vibrator of a powder feeding apparatus controlling a frequency to control various types of vibrations and vibration intensities to control vibration characteristics in accordance with a capacity of a facility to be installed or the types of an object to be transferred to prevent adhesion of a material to be transferred or caking or bridging or a precipitation phenomenon to improve transfer efficiency and preventing a vibrator from being magnetized. Moreover, the present invention detects a current in real-time to compensate a current value to supply power and prevents an overcurrent and senses whether or not equipment is overheated to control operation of the vibrator.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vibrating apparatus,

[0001] The present invention relates to a vibrating device operating system of a powder conveying facility, and more particularly, to a vibrating device operating system of a powder conveying facility, which can control various types of vibration and vibration intensity by controlling a frequency, The conveying efficiency is improved by preventing the adhesion of the transferring material, the cake, the bridge and the sedimentation phenomenon of the transferring material, as well as the vibration device of the powder transferring device which can prevent the magnetization phenomenon from occurring in the vibration device Driving system.

In addition, the present invention relates to a vibrating device operating system of a powder conveying facility capable of detecting an electric current in real time to compensate a current value to supply power, prevent an overcurrent from flowing, .

Generally, when constructing various kinds of suits, hoppers, and transfer lines for storing and supplying fuel such as powder used as a production process transfer facility or coal made of particulate powder, it is necessary to use a storage tank (for example, (coal bins) through a discharge port and a supply line.

In the conventional powder conveying equipment, in the case of a conventional facility in which a large amount of powdery fuel or material is charged and stored and supplied through a discharge hopper and a supply line, the powder put into the facility is damp or wet The fluidity is lowered due to the aggregation of the fluids and the fluids that are aggregated in the form of agglomerates around the lower inclined outlet of the facility are entrained to narrow the inclined outlet or obstruct the lower narrow portion of the inclined outlet when severe, Accordingly, there is a problem in that discharge of powder is not smooth and there is a problem that supply is disrupted.

In addition, in the conventional powder conveying equipment, when the process of injecting powder, storing and using powder in a long-term facility is repeated, the powder located at the lower outlet side is subjected to a considerable pressure and the discharge velocity of the central portion and the side portion The shear pressure is applied from the central portion to the side portion side to cause the powder to pressurize to the outlet side and to attach the powder while stagnating. This phenomenon continues for a long time, and the thickness of the adsorbent layer of the powder gradually increases There is a problem that the passage of the discharge port is narrowed.

In addition, when such a phenomenon continues, there is a phenomenon that the discharge port is clogged, so that discharging and transferring of powder can not be performed, which causes a great deal of trouble and damage to the production work.

Therefore, there is an economic burden to periodically perform internal maintenance and cleaning work such as removal of the adsorbed layer of the powder by crushing the powder of the discharged outlet, It has the following problems.

Various techniques for improving these disadvantages have been developed, for example, Patent Documents 1 and 2.

In Patent Document 1, a pressure gauge and a vibrator are installed so as to apply vibration to the unit area according to the degree of clogging of various unit areas of the powder sample transfer tube, and by controlling the intensity of the vibration, To an apparatus for preventing clogging of a powder sample transfer tube that enables prevention of bolt loosening and efficient flow of a powder sample.

However, the device for preventing clogging of the powder sample transfer tube of Patent Document 1 has a complicated structure and is difficult to install.

Patent Document 2 discloses a technique developed by the applicant of the present invention, which comprises a bottom plate which is in contact with the outer periphery of a discharge port having a discharge port inclined downward and having an outlet tilted downward, and a hexahedron having a bottom open, A core frame which is disposed in an inner space between the bottom plate and the case and has a closed hexahedron shape and in which the wing portions protrude from both side ends of the hexahedron; And a spring portion coupled to the bottom plate at one end and coupled to the wing portion of the core frame to generate a pulsation wave oscillating in the up-and-down direction, And the bottom of the core frame is spaced apart from the bottom plate to protect the core embedded in the core frame. The chute, the hopper, By crushing and dispersing the powder located around the line, adsorption or aggregation phenomenon of the powder is prevented inside the discharge port, so that the inclined outlet can not be narrowed or clogged at all, and the fluidity of the equipment can be improved and maintained, It can be smoothly transported and supplied from the facility to the conveyance line. It can be easily installed and used in the existing facility as well as the new facility at a relatively low cost, and it is possible to simultaneously perform the impact and buffering action of the discharge port .

However, the technique of Patent Document 2 has a problem that vibration and vibration strength of various types can not be adjusted according to the type and scale of the facility by generating vibration with a set value once.

In addition, the conventional technology has a problem in that the transducer is overheated due to simple on / off control, resulting in poor durability or damage.

1. Korean Patent No. 0563909 2. Korean Patent Publication No. 2014-0064560

The present invention has been developed in order to solve the problems of the related art as described above, and it is an object of the present invention to provide a method and apparatus for controlling vibrations and vibrations of various types by controlling a frequency, It is possible to prevent the magnetization phenomenon from occurring in the vibration device and to compensate the current value by sensing the current in real time. And an object of the present invention is to provide a vibrating device operating system of a powder conveying facility capable of preventing the overcurrent from flowing and adjusting the operation by sensing whether the device is overheated.

The present invention also relates to a vibrating device operating system of a powder transporting apparatus capable of preventing an overload or a high temperature from being exposed to a vibrating device by controlling driving of the vibrating device in accordance with a load applied to the vibrating device and a temperature generated in the vibrating device The purpose is to provide.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, there is provided a powder conveying apparatus comprising: a vibrating device installed in a hopper for receiving an electrical signal to generate a pulsating pulse wave; A vibrating device operating system of a powder conveying facility including a driver for supplying power necessary for driving and a controller for transmitting a control signal to the driving device, wherein the vibrating device comprises a core frame And a core for generating a pulsating pulse wave which is supplied with electricity and vibrates, and the driver includes a normal input / output stage for inputting / outputting a commercial power supply; A signal input terminal to which a control signal of the controller is input; Wherein the controller comprises: a control signal input unit for inputting a signal for controlling a frequency, a voltage, and an output time of an output power source; A gate driver for switching the transistors constituting the H array voltage amplifying unit to forward or backward so that the + and - poles are alternately conducted; An H-array voltage amplifier configured by arranging a plurality of transistors (Q1 to Q4) in an H array; And a TD output unit for outputting an output signal of the H array voltage amplification unit to a driver.

The driver may further include a temperature input unit for comparing the temperature sensed by the temperature sensor installed in the vibration device with a preset value and interrupting the power supplied to the vibration device.

The controller may further include a communication module for transmitting / receiving signals at a remote location.

As described above, the vibrating device operating system of the powder transporting apparatus according to the present invention controls the vibration frequency and the intensity of the vibration output to generate vibrations at various frequencies, It is possible to easily control the vibration characteristics according to the capacity of the material to be conveyed and the kind of the material to be conveyed, thereby preventing sticking, bunching, clogging, and sedimentation of the conveying material and improving the conveyance efficiency.

Furthermore, by controlling the driving of the transistor in the output part through the gate driver, only the positive polarity is conducted once, and only the negative polarity is conducted once. Thus, the magnetization phenomenon occurring when the positive polarity and the negative polarity simultaneously flow in the vibration device can be prevented.

In addition, it judges whether the power supply is supplied according to the temperature sensed by the temperature sensor, compensates the current by continuously sensing the current value, and supplies the overcurrent to prevent damage to the device due to overcurrent Can be prevented.

1 is a block diagram of a vibrating apparatus operating system of a powder transporting apparatus according to the present invention;
2 is a front view of the installation state of the vibration device provided in the vibration device operating system of the powder transporting apparatus according to the present invention.
3 is an exploded perspective view of an example of a vibrating device constituting a vibrating device operating system of the powder transporting equipment according to the present invention.
4 is a cross-sectional view of an example of a vibrating device constituting a vibrating device operating system of the powder transporting apparatus according to the present invention
5 is a photograph of an example of a driver constituting a driving system for a vibration device of a powder transporting apparatus according to the present invention
6 is a block diagram of a controller for a vibrating apparatus provided in a vibrating apparatus operating system of a powder transporting apparatus according to the present invention
7 is a circuit diagram of an example of a controller for a vibrating apparatus provided in a vibrating apparatus operating system of a powder transporting apparatus according to the present invention
8 is a circuit diagram showing a process of supplying power to the vibration device by the controller for the vibration device of the powder transporting equipment according to the present invention
9 is a front view of an example of a circuit board of a controller for a vibrating apparatus of a powder transporting apparatus according to the present invention
10 is a rear view of an example of a circuit board of a controller for a vibrating apparatus of a powder transporting apparatus according to the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a controller for a vibrating apparatus of a powder transporting apparatus according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Like reference numerals are used for like elements in describing each drawing. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Since the magnitude and frequency of the vibration can be arbitrarily controlled by controlling the frequency of the power source supplied to the vibration device, the vibration characteristic can be set according to the capacity of the facility or the type of the material to be conveyed, a cake, a bridge, and a precipitation phenomenon can be prevented from occurring.

As shown in FIG. 1, the vibrating device operating system of the present invention includes a core frame 11 elastically supported by a spring 11s, A vibrating device (1) having a core (12) for generating a vibration; Output terminals (21i, 21o) for input and output of commercial power; A signal input terminal 22 to which a control signal of the controller is input; A driver (2) comprising driving power supply ends (23a, 23b) for supplying power to the oscillating device; A control signal input unit 31 for inputting a signal for controlling the frequency, voltage, and output time of the output power; A gate driver (32) for switching the transistors constituting the H array voltage amplifying unit forward or backward so that the + and - poles are alternately conducted; An H-array voltage amplifier (33) comprising a plurality of transistors (Q1 to Q4) arranged in an H array; And a controller (3) including a TD output unit (34) for supplying the output of the H array voltage amplifier (3) to a vibrating apparatus.

As shown in FIG. 2, the vibrating device 1 is installed on the side wall of the hopper 100 to generate vibration, thereby preventing the transferring material passing through the hopper from sticking, clumping, or clogging the hopper.

As shown in FIG. 2, the vibrating device 1 may be installed on the side wall of the hopper 100. However, if a large number of vibrating devices are installed, the durability of the hopper is degraded, The driver 2 and the controller 3 are required to drive these two vibrating apparatuses 1 at the same time so as to simultaneously drive the two vibrating apparatuses 1, And the like.

The vibration device 1 can be variously modified. However, as shown in FIG. 3 and FIG. 4, it is possible to stably support the core 12, as in the patent No. 10-1404845 filed and registered by the present application And a core frame supported by a spring 11s so as to be able to rotate. Although this technique has already been disclosed by the present applicant, a brief description will be given below in order to facilitate understanding of the present invention. That is, as shown in FIG. 3 and FIG. 4, the vibrating device 1 provided in the vibrating device operating system of the powder transporting facility according to the present invention includes a core A bottom plate 10p for allowing the core 12 to come into contact with the outer periphery of a discharge port inclined downward of the hopper 100 through which the powder flows out, .

The bottom plate 10p has the same plane as the outer surface of the hopper as a means for fixing the vibration device to the hopper 100, so that the vibration generated in the vibration device can be sufficiently transmitted to the hopper.

The core 12 may be damaged if the vibration of the core 12 is directly transmitted to the hopper. That is, when the core 12 vibrates with respect to the fixed hopper, the core may be damaged due to the impact such that the core strikes the stationary object. The core 12 is provided inside the core frame so as to prevent vibrations of the core 12 from being transmitted to the hopper 12. [ Thereby preventing direct delivery to the hopper through the bottom plate.

That is, when the core is vibrated by fixing the core 12 inside the core frame 11 and fixing the core frame 11 to the bottom plate 10p so as to be supported by the springs 11s, The core 12 can be protected by allowing vibration to be transmitted through the spring 11s without directly tapping the bottom plate.

Of course, the cover 10h is provided on the upper surface of the bottom plate of the vibration device 1 so that the components constituting the vibration device can be protected from the outside.

The driver (2) is driven by a control signal transmitted from the controller (3) as means for interrupting power supplied to the vibration device.

This is similar to the technology already disclosed by the present applicant, which discloses a full-wave rectification circuit part for generating a direct-current voltage by smoothing it with a smoothing capacitor when the alternating-current power is applied, (IGBT) driving circuit portion in a pulse modulation / demodulation (PWM) control method using an applied DC voltage as an energy source.

5, when the control signal is inputted to the signal input terminal 22 to which the control signal of the controller 3 is inputted, the direct current power converted from the full-wave rectification part to the direct current is modulated by the drive circuit part, And outputs them to power supply terminals 23a and 23b. That is, power supply lines for supplying power to the vibration device 1 provided at both sides of the hopper 100 are connected to the driving power supply ends 23a and 23b.

The driver 2 further includes a temperature input unit 20t for controlling the power supplied to the vibration device by comparing the sensed temperature from the temperature sensor provided in the vibration device with the set value.

When the temperature input to the temperature input unit 20t is equal to or higher than a predetermined temperature, the core of the vibration device is recognized as overheated and the power supplied to the vibration device is cut off.

The controller 3 is provided as means for providing a control signal to the driver 2 as described above.

As shown in FIG. 6, the controller 3 includes a control signal input unit 31 for inputting a signal for controlling the frequency, voltage, and output time of the output power source; A gate driver (32) for alternately conducting positive and negative poles by switching-driving the transistors constituting the H array voltage amplifying unit forward or backward; An H-array voltage amplifier (33) comprising a plurality of transistors (Q1 to Q4) arranged in an H array; And a TD output section (35) for supplying the output of the H array voltage amplification section (33) to the oscillation device.

The control signal input unit 31 controls the driving of the gate driver 32 according to a control signal inputted from the outside to control the power supplied to the vibration device, thereby controlling the magnitude of the vibration of the vibration device, the vibration frequency, the vibration time, .

9, the control signal input unit 31 includes an intensity adjustment volume 31p, a frequency setting volume 31f for adjusting the frequency of the power supplied to the vibration device, And an idle time setting volume 31r for setting the idle time of the power supply.

Further, as shown in Fig. 10, an input / output terminal for connecting to an external device is further provided.

As shown in FIGS. 7 and 8, the control signal input unit 31 is composed of digital logic.

When the control signal is input from the control signal input unit 31, the gate driver 32 operates to control the driving of each of the transistors Q1 to Q4 constituting the H array voltage amplifying unit 33 at the subsequent stage. That is, the gate driver 32 controls the transistors Q1 to Q4 provided in the H array voltage amplifying unit 33 to perform forward switching and reverse switching.

The gate driver 32 has a phase inversion function and inverts the control signal input from the control signal input unit 31 to turn on any one of the transistors Q1 and Q2, Q3 and Q4.

As shown in Fig. 8, the positive pole receives the voltage and current from TD_POWER as the transistor Q1 is turned on, passes through the transistor Q4 and is recovered to the negative pole H1GND, and the negative pole is turned to TD_POWER as the transistor Q2 is turned on To 320 V, and is recovered to the TD_POWER + pole through the transistor Q3.

That is, it is possible to prevent the magnetization phenomenon which occurs when the positive pole and the negative pole simultaneously flow in the transducer of the vibrating device.

The operation sequence of each of the transistors Q1 to Q4 of the H array voltage amplifying unit 33 performed by driving the gate driver 32 is as follows. After the transistors Q1 and Q4 are opened and only the + After transistors Q2 and Q3 are open, transistors Q2 and Q3 are closed after only the - pole. Repeating this process, the transducers of the oscillator flow only positive or negative currents to prevent the magnetization phenomena that occur when the + and - poles flow simultaneously.

Also, by adjusting the operation time setting volume 31t connected to the control signal input unit 31 as described above, the maximum load can be lowered by changing the time per output.

It is preferable that the transistors Q1 to Q4 constituting the controller for the vibrating apparatus of the powder transporting apparatus according to the present invention use an insulated gate bipolar transistor (IGBT). That is, the present invention is to control the supply of high-voltage electricity to a vibrating device. In addition to having the advantages of a bipolar transistor and the advantages of a field effect transistor, the transistor is also capable of high voltage switching and the drain / Since it is transistor type and unlike FET, it has PTC characteristic, so it is preferable to use IGBT which is advantageous for parallel operation.

The controller for the vibrating device of the powder transporting apparatus according to the present invention applies a voltage higher than the input voltage or the output voltage of the transistors constituting the H array voltage amplifying unit as a bias voltage to prevent VDC reverse current (34). ≪ / RTI >

6 to 8, the controller 3 includes a pair of the control signal input unit 31, the gate driver 32, and the VDC backflow prevention unit 34, To simultaneously drive two vibrating devices installed on both sides of the hopper 100 as shown in FIG.

As shown in FIG. 9, the controller 3 included in the vibrating apparatus operating system of the powder conveying apparatus according to the present invention has a display 30d so that the state of the controlled vibrating apparatus 1 can be checked. So that the load, frequency, temperature and the like of the vibration device can be displayed. The controller 3 further includes a communication module for transmitting and receiving a signal from a remote place. The remote terminal (not shown) receiving data transmitted through the communication module also has the same components as those provided in the controller So that the control signal can be sent to the oscillation device driver 2 remotely.

1: Vibrating device
10h: cover 10p: bottom plate
11: core frame 11s: spring
12: Core

2: Driver
20t: temperature input section
21i, 21o: phase input / output stage
22: Signal input
23a, 23b: Driving power supply terminal
3: Controller
30d: Display
31: control signal input unit 32: gate driver
31p: Power control volume 31f: Frequency setting volume
31t: Operation time setting volume 31r: Idle time setting volume
33: H array voltage amplification unit 34: VDC backflow prevention unit
35: TD output section

Claims (6)

A vibration device (1) comprising a core (12) installed in a hopper (100) and generating a pulsating wave which is supplied with electricity by being supplied with electricity into a core frame (11) elastically supported by a spring (11s) Wow;
A signal input terminal 22 to which a control signal is inputted and drive power supply ends 23a and 23b for supplying power to the oscillation device, A driver 2 for supplying necessary power;
A frequency setting volume 31f for adjusting the frequency of the power supplied to the vibration device, an operation time setting volume 31t for setting the time when the power is supplied, A control signal input section 31 connected to the idle time setting volume 31r for setting the time to input a signal for controlling the frequency, voltage, and output time of the output power, and a transistor constituting the H array voltage amplifier A gate driver 32 for alternately conducting positive and negative poles by switching driving in a forward direction or a reverse direction and an H array (not shown) arranged by arranging a plurality of transistors Q1 to Q4 composed of IGBTs (insulated gate bipolar transistors) A voltage amplifying section 33 and a TD output section 35 for supplying the output of the H array voltage amplifying section 33 to the oscillating device and includes a controller 3 for transmitting a control signal to the driver Who In the vibrator drive system of the transport equipment,
The driver (2) further includes a temperature input unit (20t) for controlling the power supplied to the vibration device by comparing the temperature of the vibration device sensed by the temperature sensor installed in the vibration device with a predetermined set value,
The controller (3) further includes a VDC reverse current blocking unit (34) for preventing reverse current by applying the higher voltage of the input voltage and the output voltage of the transistors constituting the H array voltage amplifying unit as a bias voltage Vibrating device operating system of pulverulent transfer facility characterized by. delete delete delete delete delete

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