JP2002293430A - Operation supervisory monitor system for powder and grain pneumatic transporting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an operation supervisory monitor system for a powder and grain pneumatic transporting device for monitoring the powder and grain pneumatic transporting device at the time of at least an operation and transmitting the operation information to a remote place. SOLUTION: This system has a sensor for measuring transportation data pneumatic transportation of powder and grain, a local unit for transmitting a signal corresponding to the transportation data measured by the sensor on a communication network and a remote unit which is connected to the communication network, displays the transportation data of the pneumatic transportation of powder and grain by receiving the signal corresponding to the transportation data from the local unit and monitors the powder and grain pneumatic transporting device at the time of at least the operation of the powder and grain pneumatic transporting device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation monitoring and monitoring system for a pneumatic material transportation apparatus capable of transmitting and receiving operation information to and from a remote communication network remote from a site.

[0002]

2. Description of the Related Art At present, labor saving is progressing in factories handling powder and granules. For this reason, there is a demand for such a labor-saving facility that it is desired to grasp how the pneumatic material transport device used for transporting the powder material is actually operated.

[0003]

However, in the conventional pneumatic transportation device for granular material, data on long-term operation could not be accumulated. For this reason, it is not enough to obtain information on how the pneumatic pneumatic transportation device is operated on a daily basis.

Further, since there is no accumulation of daily data on information on the periodic or preventive maintenance of the pneumatic transportation apparatus, too, for example, excessive repairs or pneumatic transportation apparatus are required. It was not enough to improve the maintenance, for example, the operation was stopped until it was stopped due to a failure, resulting in poor efficiency. As described above, the factories handling the granular material need information on the operation of the pneumatic transportation device.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and at least at the time of operation, monitors the pneumatic material pneumatic transport device and transmits the operation information to a remote place. An object of the present invention is to provide an operation monitoring system for a device.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, an operation monitoring monitor system for a pneumatic material transport apparatus according to the present invention comprises a sensor for measuring transport data relating to pneumatic transport of a particulate material. A local unit for transmitting a signal corresponding to the transport data measured by the sensor to a communication network, and a local unit connected to the communication network and corresponding to the transport data from the local unit. A remote unit for displaying transport data on pneumatic transport of the granular material in response to the signal and monitoring the pneumatic granular material transport device at least during operation of the pneumatic granular material transport device. Features.

Further, the operation monitoring system for a pneumatic material transport device according to the present invention comprises a sensor for measuring transport pipe heating data relating to pneumatic transport of particulate material, and a transport pipe heating data measured by the sensor. A local unit for transmitting a signal corresponding to data on a communication network; and a granular unit connected to the communication network for receiving a signal corresponding to transport pipe heating data from the local unit. And a remote unit for displaying the transport pipe heating data relating to the pneumatic transportation and monitoring the pneumatic transportation apparatus at least when the pneumatic transportation apparatus is operated.

According to the present invention, data collected from the pneumatic transportation device during operation can be sent to a remote location for analysis as operation information. In addition, transport data, transport pipe heating data, and the like can be selectively displayed based on the analysis results.

Here, in the present invention, the pulverized material pneumatic transport device refers to a device in which the pulverized material is pumped by gas. The powder is not limited as long as it can be transported. For example, resin pellets such as polyethylene / PET / vinyl chloride / nylon, fertilizer, activated carbon, glass beads, silica sand lime, fire resistant Raw materials, sewage sludge incineration ash and the like.

The attributes of the pneumatic transportation device in the present invention include, for example, transportation data, transportation pipe heating data, and the like. Here, the transport data refers to, for example, the type of the granular material, the transport pressure, the transport time, the transport amount, and the like. The transport pipe heating data means, for example, heater temperature and the like.

Further, examples of the sensor for measurement in the present invention include a pressure sensor, a timer, a load cell, a temperature sensor and the like, and other types of sensors capable of measuring attributes of operation. Can be.

The local unit according to the present invention is incorporated in a control device of the pneumatic material transport device or is disposed adjacent to the pneumatic material transport device.
It incorporates a function that allows the software of the cull unit to be reset by a user command from a remote location via a communication network. That is, at remote locations, local units can be reconfigured to change metrics or to change certain limits or programmed variables. For example, in order to determine whether or not the measurement standard is correct, a determination is made using a comparator connected to the processor or a determination means constituted by software, and if it is out of the range, a variable or the like can be changed.

According to the present invention, since a plurality of monitor standards are incorporated, the user can select them with different input / output cards. I / O key
The sensor box is connected to a sensor box, and the sensor box is attached to a specific part of the pneumatic material transportation device. These input / output cards process signals from the sensor,
Generate a signal that is accepted as input to the local unit.

The communication network in the present invention is used between a local unit and a remote unit. Such communication systems may include telephone lines and other protocols for transmitting data to and from remote locations, such as mobile phones and Internet access. More simply, the site and the remote site may be connected by a serial cable. Alternatively, another protocol known in the art, such as a local area network or a wide area network, can be used to transmit data between them. Means for accessing the communication network include:
A modem operatively connected to the local unit can be used.

In the present invention, at least the operation of the pneumatic material transportation device means not only during operation but also utilization according to a user command. For example, monitoring the log only if there is a warning for a specific desired period, or re-logging the data according to the parameters.

The monitoring of the pneumatic transportation device means that the person in charge of the maintenance of the pneumatic transportation device at the site can be instructed through a facsimile, a mobile phone, or other mobile communication means. It also means that the operation monitoring and monitoring system of the granular air transport device issues a signal. As a result, the necessity of maintenance can be promptly notified to the person in charge.

The remote unit is connected to the local unit by a communication network, the remote unit being adapted to receive signals from the local unit and to measure measured attributes of the particulate pneumatic transport device. Is displayed, so that the pneumatic material transportation device can be monitored at a remote place when the pneumatic material transportation device is operated. Further, similarly to the local unit, it may have a function of analyzing the measurement signal in order to determine whether the measurement reference is correct.

The invention thus provides a means for accessing a communication network connected to a local unit. A sensor is connected to the local unit for measuring a desired quantity for the pneumatic conveying device, and the sensor can send a signal to the local unit. The local unit is adapted to send a signal to the remote unit via the communication network corresponding to the attribute to be measured.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic configuration of a hardware device according to the present invention. The operation monitoring system 1 of the pneumatic material transportation device of the present invention shown in FIG.
It has a local unit 4 and a remote unit 5.
The local unit 4 is connected to at least one sensor 3 for measuring a desired attribute of the pneumatic material transport device 2. Attached to the part. As the sensor 3, a pressure sensor, a timer, a load cell, a temperature sensor, or the like is used.

The local unit 4 includes a processor, a display, a printer, an indicator, and the like. In the present invention, the local unit 4 can be a personal computer. The local unit 4 includes a plurality of programmable logic controllers (Ps) configured as hardware or software.
LC) and many other types of electronic computing and processing devices. The printer / indicator is optional and not essential.

The sensor 3 is connected to a local unit 4 via a signal line 6, and the signal line 6 delivers a signal generated by the sensor 3 to an input / output board (not shown). The input / output board comprises a signal processing system for converting a signal into a format convenient for processing by the local unit 4 using a sensor output received on the signal line 6. Can be.

For example, if the sensor 3 is a temperature sensor that measures the temperature of a heater that heats a transport pipe, a weak analog signal is amplified, and the amplified analog signal is converted into a digital signal. Become a system. The input / output board may be, for example, a multiplexer, which processes the received DC level voltage signal into a numerical signal for use in the local unit 4. B
The cull unit 4 is connected to a storage device (not shown).

The means for accessing the communication network is a modem operatively connected to the local unit 4. The means for accessing the communication network according to the communication network. Various other types of means can be utilized.

In addition, various types of communication networks are available, including dedicated telephone lines, dedicated communication lines, calling telephone lines, mobile telephone systems, wireless networks.
Network systems, Internet access systems, and other types of protocols for transmitting data to and from remote locations. Particularly in the case of an Internet access system, inexpensive and clear monitoring is possible.

Depending on the type of communication network used, the type of means for accessing such a communication network will also differ. Further, the communication network can be a local area network or a simple serial cable. Alternatively, it may be another type of computer-based communication card for communicating with a communication network.

As shown in FIG. 1, the communication network is connected to a remote unit 5. The remote unit 5 receives a signal transmitted from the local unit 4 via a communication network, and displays an attribute of the pneumatic material transportation device 2 measured by the sensor 3. This allows the pneumatic material transport device 2 to be monitored during operation of the pneumatic material transport device 2.

Also, it can be a siren, a bell or any other type of indicator that indicates that a signal has been received from the local unit 4. In the present invention, the remote unit 5 can be a personal computer. Remote unit 5 can include a printer.

Further, the remote unit 5 can be a mobile phone, in which case the signal generated by the local unit 4 is displayed on the mobile phone, whereby
The generated reading of the specific sensor 3 can be indicated to the service person.

FIG. 2 shows an example of a screen of the transport data monitor according to the present invention. In the operation monitoring monitor system 1 of the pneumatic transport device for granular materials, transport data can be obtained from many monitor functions.
Monitor can be selected. On the screen of the transport data monitor, the type of the granular material, the transport pressure, the transport time, the transport amount, and the like can be displayed. In this case, the signal transmitted by the specific corresponding sensor 3 is processed and displayed. The transport data monitor compares a preset target value and an actual measured value with respect to the transport pressure, transport time, and transport volume, and determines whether or not the difference is within an allowable range by a system capable of calculating, and determines an allowable value. If it is out of the range, the abnormality can be displayed as a warning on the monitor screen and a stop command can be issued to the pneumatic material transportation device 2.

As sensors for measuring the transport pressure, the transport time, and the transport volume, a pressure sensor, a timer, a load cell, and the like can be used. If the difference between the previously set target value and the actually measured value in the transport pressure is out of the allowable range, it can be considered that the granular material is stagnant or blocked in the transport pipe. A plurality of valves (not shown) provided in the middle of the pipe may be opened to blow high-pressure gas into the transport pipe to automatically cancel the stagnation or blockage.

In the pulverized material pneumatic transport device 2, it is necessary to heat the transport pipe depending on the kind of the pulverized material. As an example, a transport pipe heating data monitor can be selected. On the screen of the transport pipe heating data monitor, the heater temperature and the like can be displayed. The transport pipe heating data monitor compares a preset target value with an actually measured value at a heater temperature, and determines whether or not the difference is within an allowable range by a system capable of calculating, and determines whether the difference is outside the allowable range. In this case, the abnormality can be displayed as a warning on the monitor screen, and a stop command can be issued to the pneumatic transportation device 2. Then, normal operation can be returned by a user's command or by automatically issuing a correction command. As a sensor for measuring the heater temperature, a temperature sensor or the like can be used.

The selection of the programming language and the operating system can be selected by the user according to the required functions as a whole.

Since the operation of the local unit 4 can be configured by software, the setting of the local unit 4 can be updated at present or as required by a command or signal from the remote unit 5.

In addition, software developed for use in the remote unit 5 can analyze the measurement signals transmitted via the communication network and make decisions regarding the state of the pneumatic conveying device 2. Can be done.

[0035]

As is apparent from the above description, the present invention provides a sensor for measuring transport data related to pneumatic transport of a granular material, and a signal corresponding to the transport data measured by the sensor. And a local unit for transmitting the data on a communication network; and
Receiving the signal corresponding to the transport data from the cull unit, displaying the transport data relating to the pneumatic transport of the granular material, and at least when operating the granular material pneumatic transport device, Or a remote unit for monitoring the operation of the pneumatic material transport device having a remote unit for monitoring the transport pipe heating data relating to the pneumatic transport of the granular material, A local unit for transmitting a signal corresponding to the measured transport pipe heating data on a communication network, and a signal connected to the communication network and corresponding to the transport pipe heating data from the local unit And a remote unit for displaying transport pipe heating data relating to pneumatic transport of the granular material in response to the operation, and monitoring the pneumatic granular material transport device at least during operation of the particulate air transport device. Since it is an operation monitoring monitor system for a particulate air transport device, it provides an operation monitoring monitor system for a particulate air transport device that monitors the particulate air transport device during operation and transmits the data to a remote location. There are various effects, for example,

[Brief description of the drawings]

FIG. 1 is a conceptual diagram showing an embodiment of the present invention.

FIG. 2 is a diagram illustrating an example of a monitor screen according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Operation monitoring system of particulate air transport equipment 2 Powder air transport equipment 3 Sensor 4 Local unit 5 Remote unit 6 Signal line

Claims (4)

[Claims] 1. A sensor for measuring transport data related to pneumatic transport of a granular material, and a local unit for transmitting a signal corresponding to the transport data measured by the sensor to a communication network. Receiving the signal corresponding to the transport data from the local unit, displaying the transport data relating to the pneumatic transport of the granular material, and operating at least the pneumatic material transport device; And a remote unit for monitoring the pneumatic material transport device at the time of the operation. 2. A sensor for measuring transport pipe heating data related to pneumatic transport of powder and granules, and a sensor for transmitting a signal corresponding to the transport pipe heating data measured by the sensor to a communication network. -Connected to the communication network and receiving a signal corresponding to transport pipe heating data from the local unit, displaying transport pipe heating data relating to pneumatic transport of the granular material, An operation monitoring system for a pneumatic material transportation device, comprising: a remote unit that monitors the pneumatic material transportation device when the pneumatic material transportation device is operated. 3. The local unit includes determination means for determining whether the signal from the sensor is within a predetermined range, wherein the signal from the sensor is the predetermined signal. The operation monitoring of the pneumatic material transportation device according to claim 1, wherein the communication unit accesses the communication network and transmits a signal to the remote unit when the communication unit is out of the specified range. Monitor system. 4. The method according to claim 3, wherein said remote unit communicates via said communication network and changes said predetermined range associated with said determining means. Operation monitoring system for pneumatic transportation equipment.