JP2532232B2 - Electronic dust collector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is used in the technical field of a filter type dust collector that collects dust using a filter, and specifically, The present invention relates to an electronic dust collector having an intelligent function for centrally controlling driving operations.

[Conventional technology]

A conventional dust collector equipped with an automatic filter dust remover such as a pulse jet detects the pressure before and after the filter (inlet and outlet) and activates the above dust remover when the pressure difference between these pressures exceeds a set value. The dust adhered to the filter is wiped off, and the dust collection operation is always promoted based on a stable differential pressure and air volume.Furthermore, the control panel attached to the dust collector informs the operation status of the dust collector. For this reason, an indicator is provided to display the filter differential pressure and air volume, and an indicator or lamp is provided to notify you of abnormalities such as when the filter differential pressure does not drop below the set value even after the dust removal operation. It is structured so that the driving status can be visually confirmed.

[Problems to be solved by the invention]

Therefore, the dust collector can be operated in an optimal state while looking at the control panel.If the indicator or lamp indicates that an abnormality has occurred, manually control the dust remover or stop the dust collector operation. It is designed to eliminate the cause of abnormalities by repairing abnormal points.

However, just looking at the display on the control panel wonders where the cause of the abnormality is, that is, whether it is due to a simple clogging of the filter, or a failure of the fan motor, dust removing device and control unit, or , It is not possible to determine whether it is due to other causes such as clogging of the duct,
In order to investigate the cause, you have to open the inside of the dust collector and inspect each part, and you also have to consider specific measures to eliminate the cause, so it takes a long repair time and work. There was a complication.

Therefore, the technical problem of the present invention is that when the necessity of inspection and maintenance occurs during the dust collection operation, or when an abnormality occurs,
While instructing the necessary points on the graphic monitor and displaying the messages necessary for these measures,
When the operation is stopped, the running time required for dust collection operation is displayed so that even workers who are not familiar with the internal structure of the dust collector can quickly and accurately maintain and manage the dust collector. is there.

[Means for solving problems]

Means taken in the present invention to solve the above technical problems are as follows.

(1) The dust collector shall be provided with a designed control unit for the dust collector, and a graphic monitor having a lamp for display at each of the fan unit, the dust removing unit unit, the filter unit, and the dust bucket unit.

(2) Similarly, a multi-display that displays a running message indicating the operating status of the dust collector during normal operation on the dust collector, and the running time such as the time remaining until dust discharge and the time remaining until filter maintenance when the operation is stopped. Be provided.

(3) Similarly, on the dust collector, a display change key for changing the display of the multi-display, an inspection key for inspecting the state of the dust collector, a setting key for switching between the operation mode and the setting mode, and a setting data registration key Provide a switch key consisting of a registration key.

(4) Similarly, the dust collector constantly monitors the operating status of each part of the dust collector and the pressure detected before and after the filter, and when the necessity of inspection and maintenance or an abnormality is detected, the indicator lamp of the graphic monitor is turned on. In addition to notifying the relevant location, a self-diagnosis function is provided to display a message required for the inspection and countermeasures on the multi-display according to the operation of the inspection key that constitutes the switch key.

[Action]

 The above means operate as follows.

The element of (1) above can be determined at a glance where the inspection is required by observing the lamp indications provided at the required places in the drawing of the dust collector of the graphic monitor. Even an operator who is not familiar with it can perform inspection work quickly and accurately.

The factor of (2) above is to operate the dust collector in a stable manner by checking the operating conditions such as the filter differential pressure and the air volume, the remaining time until dust discharge and the remaining time until filter maintenance by checking the display on the multi-display. It is possible to let.

The element of (3) above is to set and change the filter differential pressure and various maintenance times by operating each key that constitutes a switch key, change the display of the multi-display, or inspect the dust collector, etc. To be able to do.

The element of (4) above is used when the necessity of inspection or abnormality is detected by judging whether the dust collector control unit, the fan unit, or the dust removing device is operating properly during operation, and If an abnormality is detected in the fan unit, the dust remover, or the filter unit, duct unit, or dust bucket unit by detecting the fluctuations in pressure and filter differential pressure, that location is displayed on the graphic monitor. Since the lamp displays, it is possible to immediately cut the inspection required part, and when the inspection key of the above switch key is operated, the countermeasures are displayed on the multi-display, so even if the worker is not familiar with the internal structure of the dust collector. However, it will be possible to properly inspect and repair each part.

As described above, the technical problems described above can be solved by the above means, and the problems of the conventional technology can be solved.

〔Example〕

Hereinafter, preferred embodiments of an electronic dust collector according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing an electronic dust collector according to the present invention. The inside of a machine body 1 is partitioned by a partition plate 2 into two chambers, a clean room 3 and a filter room 4, and a clean room provided with an exhaust port 3a. Inside the chamber 3, there is a fan 6 rotated by a motor 5.
, A pulse jet type dust removing device 7 is provided, and a plurality of filters 9 ... Are hung inside the filter chamber 4 provided with the suction port 4a to which the dust collecting duct 8 is connected. Bucket 10 is retractable.

Further, in FIG. 1 and FIG. 2, 11 is a control panel mounted on the front surface of the machine body 1, and a control device (microcomputer) for controlling the operation of each part of the dust collector is attached to the rear surface side of the panel 11. A graphic monitor 12, a multi-display 13 and a switch key 14, which are described in detail in FIG. 2, are provided on the front side.

The above-mentioned graphic monitor 12 is a designed control unit of FIG. 12G of the dust collector, a fan unit, a dust removal unit, a filter unit, a duct unit and a dust bucket unit, respectively, monitor lamps 12a, 12b, 12c, 12d, 12e, 12f. The lamp 12a is designed to blink when there is a failure in the control unit, for example. Further, 15 and 16 are lamps provided side by side on the graphic monitor 12 for displaying energization and operation.

Next, the above-mentioned multi-display 13 switches and displays a driving message during driving, that is, analog display and digital display of filter differential pressure, and digital display of air volume in order. Incidentally, FIG. 2 shows a state in which the filter differential pressure is displayed in analog form, 13a shows a filter differential pressure shown by a bar graph, and 13b shows a differential pressure set value which repeats blinking.
Further, during stoppage, the running time, which is the remaining time until dust discharge or the remaining time until filter maintenance, is displayed alternately. In addition, the multi-display 13 is configured to be able to display an operation message indicating a normal inspection and countermeasures, and an inspection message at the time of an abnormality and a maintenance message indicating the countermeasures, as needed, which will be described in detail. Will be described later.

The remaining time until the dust is discharged and the time until the filter maintenance are set in the memory, which will be described later in advance (for example, the dust discharge is 10 minutes).
Time and filter maintenance are set to 1000 hours), and the required structure is obtained by subtracting the operating time (actual working time) of the dust collector from these times.

In addition, the switch key 14 above is a multi-display.
Display change key 14a for changing the display of 13 and inspection key 14b for displaying the contents of the inspection and countermeasures on the multi-display 13 when the lamps 12a to 12f of the graphic monitor 12 are lit, the operation mode and the setting mode Setting key 14c to switch between, multi-display 13 in the setting mode
Registration key 14d used to store (register) the data displayed in the memory of the control device, addition key 14e for adding +1 or +10 to the data displayed on the multi-display 13 at a time in the setting mode, And manually 1
A pulse key 14f for sending a cycle of dust removal operation pulses to the dust removing device 7 is provided, and on / off switches 17 and 18 are provided next to these switch keys 14. In FIG. 2, reference numeral 19 denotes a panel displaying the operation procedure, and when the monitor lamps 12a to 12f are turned on, the operation is performed according to the instruction of the panel 19.

FIG. 3 is a block diagram showing the electrical configuration of the control device incorporated in the control panel 11. The interface 22 connected between the CPU 20 and the program memory 21 includes the fan motor 5, the dust removing device 7, Each lamp 12a to 12f of the graphic monitor 12, multi-display 1
3, the switch key 14 and each lamp 15 and 16 for notifying the energization and operation, and the switch 17 and 18 for on / off are connected,
Further, as shown schematically in FIG. 1, the pressure sensor 23 for detecting the pressures before and after the filter, that is, the pressures in the cleaning chamber 3 and the filter chamber 4, and the operating time of the dust collector are integrated so that the above-mentioned dust discharge is performed. A timer 24 for calculating the time and the time until the filter maintenance is connected, and the operation of each of these members is controlled by the CPU 20 according to a program stored in the memory 21.

When using the electronic dust collector of the present invention, the memory 21 is set with the filter differential pressure, the dust discharge time, and the filter maintenance time. When shipped from the factory, the filter differential pressure is set to 120 mmH ₂ O, the dust discharge time is set to 20 hours, and the filter maintenance time is set to 1000 hours, for example. Step S1 of the flowchart shown in FIG.
~ Follow steps S5. When setting the filter differential pressure, pressing the addition key 14f once adds 10 mmH ₂ O,
It can be set within the range of ~ 250mmH ₂ O, and when changing the dust discharge time and the filter maintenance time, pressing the addition key 14f will add 1 hour at a time, for example 1 to 99 for the dust discharge time. It has a mechanism that can be set within the range of time.

Further, the driving operation is performed according to the procedure of the flowchart shown in FIG. 5, and if it is determined in step S7 that the input set value needs to be changed, step S8
Up to step S15 is performed to change the set value, and when it is not necessary to change the input set value, the dust collecting operation is performed at steps S16 to S19.
The memory 21 of the above-mentioned control device is provided with an area for storing the above-mentioned set values and a program for processing the procedure shown in FIGS. 4 and 5, and further, a filter in which the operation of the dust collector is set. It stores various programs for performing in a stable state based on the differential pressure.

That is, the memory 21 stores a program for controlling and monitoring the operation of the fan motor 5 of the dust collector or the dust removing device 7, and further the basic fluctuation data of the static pressure and the filter differential pressure during operation are programmed. However, if the CPU 20 receives data different from these data during operation,
According to the program of the memory 21, the inspection location is displayed on the graphic monitor 12 with the lamps 12a to 12f, and the self-diagnosis function that displays the message necessary for maintaining proper operation on the multi-display 13 by operating the inspection key 14b. Demonstrate.

FIG. 6 is a flow chart showing the processing procedure of the self-diagnosis. After the monitor lamps 12a to 12f blink in step S20, inspection is performed in the order of steps S21 to S25.

In this inspection, it is possible to properly perform inspection and repair according to the message displayed on the multi-display 13. About 50 kinds of operation messages that display normal inspections and countermeasures, and maintenance messages that display inspections and countermeasures when an abnormality occurs are stored in advance in the memory 21 in consideration of various situations. The required message is selected from among the above messages and displayed on the multi-display 13.

For example, when there is an abnormality in the pressure sensor 23 of the control unit or the piping to the pressure sensor 23, the control unit lamp 12a of the graphic monitor 12 blinks and the multi-display 13 displays “Sensor Otenken Shinsai” or “Sensor”. Nohaikan Otenken Shinsai "is displayed.

If the motor fan 5 does not rotate, or if it has rotated in the opposite direction, the lamp 12b of the motor section blinks, and the multi-display 13 displays "Motor Gamutai Masen" or "Motor Gagg Kaiten City "
Is displayed. The abnormal rotation of the motor fan 5 can be recognized by measuring the fluctuation of the static pressure with the pressure sensor 23.

Further, the abnormality of the dust removing device 7, the filter 9, or the duct 8 can be accurately recognized by measuring the fluctuations of the static pressure and the differential pressure of the filter, and the same applies when an abnormality occurs or inspection is required. The monitor lamps 12c, 12d, and 12e flash on the display, and the multi-display 13 displays the inspection and countermeasures.

A timer is attached to the filter 9 and the dust bucket 10.
When the filter maintenance time (for example, set to 1000 hours) is timed up by integrating the operating time by 24 and when the set dust discharge time (for example, 10 hours) is timed up, the monitor lamps 12d, 12
f blinks, and a message to that effect is displayed on the multi-display 13.

〔effect〕

Therefore, according to the electronic dust collector according to the present invention, the inspection location required during normal and abnormal conditions is indicated on the graphic monitor, and the contents of the inspection and countermeasures are displayed as a message, so that the internal structure of the dust collector is well known. Even a worker who does not do so can quickly and accurately check the inspection location and take appropriate measures. The dust collector is always stable and interactive. It is equipped with the advantage that it can be operated efficiently in the closed condition.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing the entire structure of an electronic dust collector according to the present invention, FIG. 2 is an enlarged front view of a control panel, and FIG. 3 shows an electrical structure of a control device. FIG. 4 is a flowchart showing a data setting processing procedure, FIG. 5 is a flowchart showing a driving procedure, and FIG. 6 is a flowchart showing a self-diagnosis processing procedure. 1 is a body, 5 is a fan motor, 6 is a fan, 7 is a dust removing device, 8 is a duct, 9 is a filter, 10 is a dust bucket,
11 is a control panel, 12 is a graphic monitor, 12
a to 12f are monitor lamps, 13 is a multi-display, 14 is a switch key, 14a to 14f are respective keys, 20 is a CPU, 21 is a memory, and 23 is a pressure sensor.

Claims (1)

(57) [Claims] 1. A control unit shown in the figure of a designed dust collector, and a graphic monitor having a display lamp provided at each of a fan section, a dust removing section, a filter section, a duct section, and a dust bucket section. A multi-display that displays an operation message that indicates the operating status of the dust collector during normal operation, and a running time that indicates the remaining time until dust discharge and filter maintenance during operation stop, and the above multi-display display Switch key consisting of a display change key for changing the status of the dust collector, an inspection key for checking the status of the dust collector, a setting key for switching between operation mode and setting mode, and a registration key for registering the setting data, and each part of the dust collector described above. When the necessity of inspection and maintenance or abnormalities are detected by constantly monitoring the operating status of and the pressure detected before and after the filter, The self-diagnosis function that lights up the display lamp of the graphic monitor to notify the corresponding location and displays the message necessary for the inspection and countermeasures on the above multi-display according to the operation of the inspection key that constitutes the above key switch. An electronic dust collector that is equipped with.