JP4687841B2 - Compressor remote management method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In the present invention, a large number of compressors of different types are checked by a computer at a remote location to check their operating and abnormal states by a predetermined management display method, and the compressors are kept in a normal state at all times. The present invention relates to a remote management method for a centrally managed compressor.
[0002]
[Prior art]
A compressor is formed of many components, and when these components operate correctly and stably, air corresponding to the use conditions can be sent to the use side, and the efficiency of each compressor can be increased. The lifetime can be improved. For this reason, also in the prior art, means for detecting the operating state and abnormal state of each component are attached to the compressor.
[0003]
[Problems to be solved by the invention]
The detection means is attached to each compressor as described above, and it is necessary to go to the place where the compressor is installed in order to check its operating state, etc., and manual visual management is common. there were. Further, as a method further advanced than these management means, there was a centralized management means for centrally managing the operating state and abnormal state of a large number of compressors in the compressor management room etc., which is also centrally managed. It was placed in the vicinity of the room and was not centrally managed by a remote location. In addition, with the conventional method, many compressors installed in various places cannot be collectively managed at one place at the same time. Also, the management display method is not uniform, and there are many cases where the management display method is different, and the management quality and its reliability cannot be improved.
[0004]
The present invention has been invented in view of the above circumstances, and a large number of compressors can be centrally managed by a uniform management display means, and can be simultaneously managed at a remote location, and air to the use side can be managed. An object of the present invention is to provide a remote management method for a compressor that enables safe supply, efficient operation of the compressor, and improvement of the service life.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a plurality of compressors connected to one central tank so that compressed air can be supplied to each of a plurality of compressors connected from the use portion side of the compressed air supplied from the central tank. The signal of the usage status of
The operation information and abnormality information of each of the compressors based on the input signal in the use state are output from the plurality of compressors to a first personal computer connected to the plurality of compressors,
Installation of the second personal computer by a second personal computer connected to the first personal computer via a communication line and receiving operation information and abnormality information of each of the compressors from the first personal computer The operation information and abnormality information of the plurality of compressors are provided at a position so as to be displayed as a list .
[0011]
According to the present invention, operation information and abnormality information are sent from each compressor to the personal computer. This information is displayed by the personal computer. By confirming this display content at a remote location, the compressors installed at arbitrary positions can be collectively managed at the same time, and the compressor can be operated in a normal state.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of a remote management method for a compressor according to the present invention will be described below in detail with reference to the drawings. First, a configuration of a compressor generally used will be described with reference to FIG. As shown, the compressor 1 is composed of a number of components. The compressor body 2 is operated by a main motor 4 whose power is controlled by an inverter 3, and air from the air cleaner 5 is compressed by the compressor body 2 and compressed air is discharged. Oil is contained in the compressed air, but this compressed air is temporarily stored in the tank 6 and separated into oil and gas. The separated air was further separated by an oil separator 7 installed on the downstream side of the tank 6, then cooled to an appropriate temperature by an aftercooler 9 driven by a fan motor 8, and dehydrated and dried by a dryer 10. Thereafter, the air is supplied to the use side 17. The pressure sensor 11 always detects the pressure of the discharge air. The oil separated and accumulated in the tank 6 is returned to the compressor body 2 through the oil cooler 12 and the oil filter 13 and reused.
[0013]
Various detection means for detecting the operating state and abnormal state are attached to the components of the various compressors described above. This detection means is known and is not shown in FIG. It should be noted that predetermined information is electrically output from the detection means.
[0014]
FIG. 2 is a system display diagram showing the compressor management system of the present invention. In the present embodiment, four types of compressors 1a, 1b, 1c, and 1d are displayed, but the present invention is not limited to this. The compressor 1a is the newest type of compressor, and is provided with a TC3-20 substrate capable of analog input and RS485 communication. The compressor 1b is also a new type, and is provided with a TC3-19 board capable of analog input and RS985 communication. The compressors 1c and 1d are of an old type, and additional panel units 15 are attached to make the same type as the compressors 1a and 1b. These compressors 1 a, 1 b, 1 c, 1 d are connected to a central tank 6 a by a common line 16, and the central tank 6 a is connected to a use side 17. From the use side 17, a signal indicating the use state is input to the compressor 1a. This input signal is input via lines 18, 19, 20, and 21 connecting the compressors 1a, 1b, 1c, and 1d, respectively. Based on this input signal, the compressor 1a, 1b, 1c, and 1d output compressor operation information and abnormality information, which will be described later. In order to output this information as an analog signal, the compressors 1b, 1c, and 1d output The I / O units 22 are connected to each other.
[0015]
Operation information and abnormality information from the compressors 1a, 1b, 1c, and 1d are intensively input to the first personal computer 23 arranged relatively near the compressor 1a and the like. The first personal computer 23 is connected to a second personal computer 24 at a remote location via a communication line (wirelessly possible). The second personal computer 24 displays the states of the compressors 1a, 1b, 1c, and 1d by a management display method determined in advance based on the information. Thereby, the state of all the compressors 1a etc. can be confirmed in the installation position of the 2nd personal computer 24, and it can manage collectively. Next, a specific management display method of the remote management method of the compressor of the present invention will be described.
[0016]
FIG. 3 shows the contents of the operation information indicating the operation state of each compressor. As shown in the figure, the operation information includes operation time (h), discharge temperature (° C.), discharge pressure (MPa), discharge air amount (l), output power (kw), output current (A), output voltage (V). , Target pressure (MPa), automatic start / stop return pressure (MPa), water exchange setting time (h), remaining water exchange time (h), filter replacement time (h), oil temperature (° C), separator replacement time (h ), Rotation speed (min-1), inverter error code, and the like.
[0017]
FIG. 4 shows the contents of the abnormality information indicating the abnormal state of each compressor. As shown in the figure, the abnormality information includes discharge temperature abnormality, discharge pressure abnormality, motor abnormality, cooling water cutoff, filter abnormality, separator abnormality, rotation speed abnormality, discharge amount abnormality, and the like.
[0018]
Next, the management display method in the present invention will be described. First, as shown in FIG. 5, the model names of all the compressors to be managed in the management system (FIG. 2) are registered and displayed on the personal computer as a list as shown. The compressor in this list is displayed by clicking the arbitrary compressor in this list. Also, all compressors can be displayed at once.
[0019]
FIG. 6 collectively displays the operation time, operation state, and abnormality information of all the compressors registered in FIG. From this table, the operation time for each compressor can be known at a glance, and the operation time can be managed.
[0020]
FIG. 7 is a screen that displays the operating state of each compressor. As shown in the figure, all the components of the compressor are displayed on this screen, and the operation state at the time of display is clearly shown in the form of operation information. That is, as shown in the figure, the current values of all items such as the discharge temperature and discharge pressure, which are operation information, including the operation time of the compressor, are clearly shown. Thereby, the operation state of this compressor can be grasped reliably at a glance.
[0021]
FIG. 8 is a screen that displays an abnormal state for each compressor. As shown in the figure, all the components of the compressor are displayed, and operation information and abnormality information are displayed. As for the abnormality information, for example, an abnormality display is performed in the vicinity of the component in which an abnormality has occurred, such as “discharging temperature abnormality” illustrated. Further, the abnormal component is changed to red, for example, so that it can be seen at a glance that an abnormality has occurred.
[0022]
FIG. 9 is a screen on which operation information and abnormality information for each compressor are displayed, and the operation time display of the compressor other than the display of such information is simultaneously displayed. With this screen display, it is possible to simultaneously confirm a part of the operating state of another compressor while visually observing the detailed state of a certain compressor, so that the management range can be expanded.
[0023]
As described above, the present invention can display the screen display by each of the above management display methods on a remote personal computer, accurately grasp the operating state and abnormal state of a large number of compressors in real time, and normalize the compressor. It is possible to carry out management for maintaining the computer. As a result, the compressor can be used reasonably and efficiently in accordance with the use state, and the abnormality of the compressor can be detected quickly, and the response can be speeded up.
[0024]
The management system according to the present invention is performed for a large number of compressors. For example, a maximum of 31 units can be collectively managed as one embodiment, but the present invention is not limited to this. In addition, the communication speed is 250 KbPS, the communication service interval is 0.5 sec, and each compressor and the first personal computer 23 can perform wired communication by the RS485 communication method. The first personal computer 23 and the second personal computer 24 are different from each other. Wireless communication is possible. The present invention is not limited to the above conditions.
[0025]
【The invention's effect】
According to the present invention, the operating state and abnormal state of a large number of compressors can be managed and displayed in real time in a remote place, the operating efficiency and life of the compressor can be improved, and prompt response to abnormalities can be achieved.
[Brief description of the drawings]
FIG. 1 is a configuration diagram showing the overall configuration of a general compressor.
FIG. 2 is a management system diagram of the compressor remote management method of the present invention.
FIG. 3 is a display diagram showing the contents of operation information in the compressor remote management method of the present invention.
FIG. 4 is a display diagram showing the contents of abnormality information in the compressor remote management method of the present invention.
FIG. 5 is an image diagram for displaying a model name of a registered compressor, which is one of the management display methods of the present invention.
FIG. 6 is an image diagram for collectively displaying operation times of all registered compressors, which is one of the management display methods of the present invention.
FIG. 7 is an image diagram showing components and their operation information for each compressor, which is one of the management display methods of the present invention.
FIG. 8 is an image diagram showing each component, its operation information, and abnormality information for each compressor, which is one of the management display methods of the present invention.
FIG. 9 is an image diagram for simultaneously displaying operation information and abnormality information for each compressor, which is one of the management display methods of the present invention, and the operation time of other compressors.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Compressor 1a Compressor 1b Compressor 1c Compressor 1d Compressor 2 Compressor body 3 Inverter 4 Main motor 5 Air cleaner 6 Tank 6a Centralized tank 7 Oil separator 8 Fan motor 9 After cooler 10 Dryer 11 Pressure sensor 12 Oil cooler 13 Oil filter 14 Level switch 15 Additional panel Unit 16 Common line 17 Use side 18 Line 19 Line 20 Line 21 Line 22 I / O unit 23 First personal computer 24 Second personal computer

Claims (1)

To each of a plurality of compressors connected so as to be able to send compressed air to one central tank, a signal indicating the use state from the side of the compressed air sent from the central tank is input,
The operation information and abnormality information of each of the compressors based on the input signal in the use state are output from the plurality of compressors to a first personal computer connected to the plurality of compressors,
Installation of the second personal computer by a second personal computer connected to the first personal computer via a communication line and receiving operation information and abnormality information of each of the compressors from the first personal computer A remote management method for a compressor , wherein operation information and abnormality information of the plurality of compressors are provided so as to be displayed in a list at a position .

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