JP2001265679A - Equipment monitoring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an equipment monitoring device for incorporating equipment not connected to a network other than information communication equipment to an SNMP environment. SOLUTION: This equipment monitoring device 4 is provided with a network 6, a communication processing circuit 41 for communicating with the manager 21 of a host computer 2, a message processing circuit 42 for processing messages transmitted and received in the communication processing circuit 41, a monitoring processing circuit 43 for cyclically generating monitoring messages in the operation state of monitoring object equipment 3, a timer circuit 44 for cyclically activating the monitoring processing circuit 43, a signal detection circuit 45 for connecting a signal line for indicating the operation state of the monitoring object equipment 3 and detecting the operation state, a monitoring cycle setting circuit 46 for setting a cycle to the timer circuit 44, a monitoring amount setting circuit 47 for setting the threshold of a signal detection level to the signal detection circuit 45, a setting input circuit 48 for inputting setting values to the monitoring cycle setting circuit 46 and the monitoring amount setting circuit 47 and a nonstop power source 49.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to monitoring of a remote device in a simple network management protocol (referred to as SNMP) environment, and more particularly, to monitoring of a device to be monitored which is externally connected to a network and incorporated in an SNMP environment. Related to the device.

[0002]

2. Description of the Related Art In general, means for monitoring equipment connected to a network by applying SNMP has been incorporated in information communication equipment. The SNMP-compatible monitoring function is usually incorporated in an information communication device to configure an SNMP environment. According to Japanese Patent Publication No. 288615, a network device state determination unit that determines the state of a device in an initial sheet information designating unit provided in a network device control apparatus, and state-specific initial sheet information that displays state information according to the state Means for collecting and managing device management information. However, this initial sheet information designating means is a means built in the network control device. However, there are devices that are not connected to the network and are required to operate and operate the network.
They need to be incorporated in an SNMP environment.

[0003]

In recent years, networked systems have become widespread, and failures of devices constituting these networks have caused fatal damage to daily social activities. For this reason, the importance of monitoring the operation state of the device has been increasing. The most common SNMP method for monitoring information and communication equipment is usually
An information communication device or a device connected to the information communication device is monitored. However, to run a network,
Cooling fan of equipment mounting frame, air conditioner of installed room,
The operation status of devices other than information and communication devices, such as uninterruptible power supply devices connected to the devices and devices for personnel management and security related to operation and maintenance, is greatly affected. These devices may not be connected to the network.

[0004] An object of the present invention is to provide an information processing apparatus other than information communication equipment.
A device monitoring device that incorporates devices that are not connected to the network into the SNMP environment is included in the device monitoring device, and a monitoring device that supports SNMP is mounted on the device monitoring device. It is to manage in a unified manner.

[0005]

SUMMARY OF THE INVENTION Therefore, according to the present invention,
In a device monitoring device used to monitor the operation state of a remote device through a network, the device is externally mounted on a monitored device and incorporated in a simple network management protocol environment,
An apparatus monitoring device that continuously monitors the operating state of the monitored device and notifies the managing unit of the host computer of the operating state, wherein the device monitoring device transmits a monitoring message that notifies the operating state of the monitored device. A communication processing circuit for sending to the host computer, a message processing circuit for creating a message in response to the notification of the operating state, and a monitor for periodically monitoring the operating state of the device and sending the operating state to the message processing circuit A processing circuit, a timer circuit that periodically notifies a start signal to the monitoring processing circuit, a signal detection circuit that detects that a signal indicating an operation state provided in the monitored device has exceeded a predetermined threshold, and the timer circuit. A monitoring cycle setting circuit for setting a monitoring cycle, and a monitoring amount setting circuit for setting a threshold value indicating a detection level of an operation state signal in the signal detection circuit A setting input circuit for manually inputting the data specifying the monitoring cycle and the threshold value from the outside and setting the data in the monitoring cycle setting circuit and the monitoring amount setting circuit, and operating the device monitoring apparatus without stopping And a non-stop power supply.

Further, the setting input circuit includes a switch circuit which can be manually operated from outside the device monitoring device, corresponding to the monitoring amount setting circuit and the monitoring cycle setting circuit, and which is operated by the switch circuit in response to the manual operation. It is characterized by generating a pulse.

Further, the monitoring cycle setting circuit counts the pulses and generates a selection signal of a plurality of stages.

Further, the monitoring amount setting circuit counts the pulses, converts the count value into a plurality of threshold values, and sets a signal detection level corresponding to the threshold signal in the signal detection circuit. And

Further, in a device monitoring device used to monitor the status of a remote device through a network, the device monitoring device is mounted on a device to be monitored and incorporated in a simple network management protocol environment, and monitors the operating status of the device without stopping.
A device monitoring device for notifying the operating state to a management means of a host computer, wherein the device monitoring device includes a monitoring message for notifying an operating state of a device to be monitored, a period instruction message for indicating a monitoring cycle of the device, and an operating state. A communication processing circuit that sends and receives a threshold instruction message indicating a threshold of a signal level to detect a signal level to a host computer; a monitoring message is created by a notification of an operation state; and a monitoring cycle is set in a monitoring cycle setting circuit by a cycle instruction message. A message processing circuit that sets a threshold value in a monitoring amount setting circuit by a threshold value indication message, and a monitoring method that periodically monitors an operation state of a device and notifies the message processing circuit that the operation state signal level has exceeded a threshold value. Processing circuit, and a timer circuit for periodically notifying the monitoring processing circuit of a start signal A signal detection circuit that detects that a signal level indicating an operation state of a monitored device has exceeded a predetermined threshold, a monitoring cycle setting circuit that sets a monitoring cycle in accordance with the cycle instruction message in the timer circuit, The circuit includes a monitoring amount setting circuit that sets a threshold value for signal detection by the threshold message, and a non-stop power supply that operates the device monitoring device without stopping.

Further, the monitoring cycle instruction message includes an identifier indicating a message type and data indicating a monitoring cycle in a plurality of stages.

Further, the threshold indication message includes an identifier indicating a message type and data indicating a signal detection threshold in a plurality of steps.

Further, the signal indicating the operating state is a power supply voltage signal indicating that the device is operating.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the drawings. Referring to FIG. 1 showing an implementation environment of the present invention, in order to incorporate a monitoring target device into an SNMP environment 1, a host computer 2 that executes a management unit, a monitoring target device 3, and a device monitoring external to the monitoring target device 3. Device 4,
A network 6 for connecting the device monitoring device 4 to the host computer 2.

Referring to FIG. 2 showing a first embodiment of the device monitoring device 4, the device monitoring device 4 includes a network 6
And a communication processing circuit 41 that communicates with the manager 21 as monitoring means of the host computer 2, a message processing circuit 42 that processes messages transmitted and received by the communication processing circuit 41, A monitoring processing circuit 43 that periodically generates a monitoring message based on the operating state, a timer circuit 44 that periodically starts the monitoring processing circuit 43, and a signal line that indicates the operating state of the monitoring target device 3 are connected. A signal detection circuit 45 for detecting the operation state, a monitoring cycle setting circuit 46 for setting a monitoring cycle for the timer circuit 46, and a monitoring amount setting circuit for setting a threshold value of the signal detection level for the signal detection circuit 45. 47, a setting input circuit 48 for inputting setting values to the monitoring cycle setting circuit 46 and the monitoring amount setting circuit 47, and a non-stop power supply 49.

Referring to FIG. 3 showing details of the monitoring cycle setting circuit 46, the monitoring amount setting circuit 47, and the setting input circuit 48, the setting input circuit 48 includes a switch 481 that can be manually operated from outside the device monitoring device 4, and a switch 481. 482, and inputs the number of switches of the switch 481 to the monitoring amount setting circuit 47 and the number of switches of the switch 482 to the monitoring cycle setting circuit 46. The monitoring amount setting circuit 47 changes the count signal from the setting input circuit 48 into a count value by the counter 472, and converts the count value into a plurality of threshold values by the conversion circuit 473. The monitoring cycle setting circuit 46 converts the count signal from the setting input circuit 48 into a count value by the counter 472 and outputs to the timer circuit 44 a selection signal of a plurality of stages for specifying the monitoring cycle of the timer. Further, the signal detection circuit 45
Is connected to a signal line or a power supply line capable of detecting the operation state of the monitoring target device 6, detects a signal level exceeding a set threshold value, and detects the operation state. Equipment monitoring device 4
Can be constantly monitored by the non-stop power supply 49 even if the monitoring target device 6 is not operating.

Next, the operation of this embodiment will be described with reference to FIG.
This will be described with reference to FIG. The signal input range of the monitoring target device 6 is set in advance by the threshold value from the setting input circuit 48 to the monitoring amount setting circuit 47. Similarly, setting input circuit 4
From 8, the monitoring cycle of the monitoring target device 6 is set in the timer circuit 44 by the monitoring cycle setting circuit 46. Signal detection circuit 4
5 is connected to a signal indicating the operating state of the monitoring target device 6 or a power supply line to monitor. The timer circuit 44 operating at a fixed cycle inquires the monitoring processing circuit 43 about the operation state signal of the monitoring target device 6 at the cycle set by the monitoring cycle setting circuit 46. Signal detection circuit 45
Returns the operating state of the monitored device 13 at the time of the inquiry. Upon receiving the signal exceeding the threshold value, the monitoring processing circuit 43 instructs the message processing circuit 42 to create a monitoring message indicating the operating state based on the signal. The message processing circuit 42 creates a monitoring message according to the instruction of the monitoring processing circuit 43, and instructs the communication processing circuit 41 to transmit the monitoring message. The communication processing circuit 41 transmits the monitoring message sent from the monitoring message processing circuit 42 to the manager 21 of the host computer 2.
The manager 21 manages the operation state of the monitoring target device 6 based on the monitoring message.

Referring to FIG. 4 showing a second embodiment of the present invention, an apparatus monitoring device 5 showing an embodiment of the second embodiment.
Does not include a setting input circuit 48 for inputting a setting value by manual operation, as compared with the first embodiment of FIG. The manager 21 of the host computer 2 transmits the setting message, the message processing circuit 42 decodes the setting message, and the counter 48 of the monitoring cycle setting circuit 46
2 or the monitoring period or the input value of the threshold value is set in the counter 472 of the monitoring amount setting circuit 47. The operation of periodically monitoring the state of the monitoring target device 6 based on the monitoring cycle setting circuit 46 and the monitoring amount setting circuit 47 is the same as in the first embodiment.

Various sensor signals of the monitored device 6 can be input to the signal detection circuit 45 in the first and second embodiments. For example, apply to devices to be monitored such as optical sensor signal for intrusion monitoring, acoustic sensor for detecting suspicious sound, temperature sensor signal for monitoring temperature condition, billing signal, etc. It is clear that it can be managed.

[0019]

A first effect of the present invention is that a device having no function to be monitored by SNMP can be easily incorporated in an SNMP environment. The reason for this is that the device monitoring apparatus can be easily incorporated into the SNMP environment by connecting the device monitoring device to the device to be monitored externally and connecting a signal line indicating the operating state.

Further, a second effect is that it can be incorporated in an SNMP environment at low cost. The reason is that a device monitoring device specialized only for the monitoring function can be mounted on the device to be monitored by mounting the device.

[Brief description of the drawings]

FIG. 1 is a diagram showing an SNMP environment.

FIG. 2 is a diagram showing a first embodiment of the present invention.

FIG. 3 is a diagram illustrating details of a monitoring amount setting circuit, a monitoring cycle setting circuit, and a setting input circuit of FIG. 2;

FIG. 4 is a diagram showing a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 SNMP environment 2 Host computer 3 Device to be monitored 4 Device monitoring device 5 Device monitoring device 6 Network 21 Manager 41 Communication processing circuit 42 Message processing circuit 43 Monitoring processing circuit 44 Timer circuit 45 Signal detection circuit 46 Monitoring cycle setting circuit 47 Monitoring amount setting Circuit 48 Setting input circuit 49 Non-stop power supply

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04Q 9/00 311 H04L 11/08 F term (Reference) 5B089 GA11 GA21 GB02 HB06 JA35 JB16 JB22 KA09 KB04 5C087 BB03 BB74 DD04 DD05 DD33 EE14 FF01 FF02 FF14 FF19 GG30 GG31 GG37 GG57 GG70 5K030 JA10 KA23 MB00 MC09 5K048 AA02 BA35 EB06 EB10 FC03 GB05 9A001 BB04 CC06 JJ61 LL09

Claims (8)

[Claims] 1. A device monitoring device used for monitoring the operation status of a remote device through a network, wherein the device monitoring device is installed in a simple network management protocol environment, and is monitored without interruption. A communication processing circuit that sends a monitoring message notifying the operating status of the device to be monitored to the host computer; and a device that monitors the operating status of the host computer. A message processing circuit that creates a message in response to a status notification; a monitoring processing circuit that periodically monitors the operating state of the device and sends the operating state to the message processing circuit; A timer circuit for notifying a start signal, and a signal indicating an operation state of the monitored device is a predetermined threshold value A signal detection circuit that detects that the signal has exceeded the threshold, a monitoring cycle setting circuit that sets a monitoring cycle in the timer circuit, a monitoring amount setting circuit that sets a threshold value indicating a detection level of an operation state signal in the signal detection circuit, A setting input circuit for manually inputting data specifying a monitoring cycle and the threshold value from the outside and setting the data in the monitoring cycle setting circuit and the monitoring amount setting circuit; and a non-stop operating the device monitoring apparatus. An equipment monitoring device, comprising: a stop power supply. 2. A setting input circuit, comprising: a switch circuit which can be manually operated from outside the device monitoring device, corresponding to the monitoring amount setting circuit and the monitoring cycle setting circuit, and which is operated by the switch circuit in response to the manual operation. The device monitoring apparatus according to claim 1, wherein the apparatus generates a pulse. 3. The device monitoring apparatus according to claim 1, wherein the monitoring cycle setting circuit counts the pulses and generates a selection signal of a plurality of stages. 4. The monitoring amount setting circuit counts the pulses, converts the count value into a plurality of threshold values, and sets a signal detection level corresponding to the threshold signal in the signal detection circuit. Claim 1
The device monitoring device according to the above. 5. A device monitoring device used to monitor the status of a remote device via a network, wherein the device monitoring device is installed in a simple network management protocol environment, and monitors the operating status of the device without stopping. A device monitoring device for notifying the operating state to a management means of a computer, wherein the device monitoring device transmits a monitoring message for notifying an operating state of a device to be monitored, a cycle instruction message for indicating a monitoring cycle of the device, and an operating state. A communication processing circuit that sends and receives a threshold indication message indicating a threshold of a signal level to be detected to and from the host computer, creates a monitoring message by notifying the operating state, sets a monitoring cycle in the monitoring cycle setting circuit by the cycle indication message, Set a threshold in the monitoring amount setting circuit by a threshold instruction message A message processing circuit, a monitoring processing circuit that periodically monitors an operation state of a device, and notifies the message processing circuit that the operation state signal level has exceeded a threshold value. A signal detection circuit that detects that a signal level indicating the operation state of the monitored device has exceeded a predetermined threshold value; and a monitoring cycle setting that sets a monitoring cycle in the timer circuit according to the cycle instruction message. A monitoring amount setting circuit that sets a threshold value of signal detection in the signal detection circuit by the threshold message; and a non-stop power supply that operates the device monitoring device without stopping. . 6. The device monitoring apparatus according to claim 5, wherein the monitoring cycle instruction message includes: an identifier indicating a message type; and data indicating a monitoring cycle in a plurality of stages. 7. The device monitoring apparatus according to claim 5, wherein the threshold indication message includes: an identifier indicating a message type; and data indicating a signal detection threshold in a plurality of steps. 8. The device monitoring apparatus according to claim 1, wherein the signal indicating the operation state is a power supply voltage signal indicating that the device is operating.