JPH0823915B2 - Remote failure monitoring device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a remote failure monitoring device for monitoring a plurality of monitored devices at one center.

[Conventional technology]

A remote failure monitoring device that detects an abnormal state in a plurality of monitored devices at a center and performs appropriate processing on the abnormal condition is well known. Such a remote failure monitoring device will be described with reference to the drawings.

FIG. 2 is a block diagram of a remote fault monitoring device. In the figure, 1 is a structure such as a building, and 2 is a center. 3 is building 1
It is a general subscriber line of a telephone that connects the center 2 with the center 2. Building 1
Inside, a monitored device 1a and a telephone 1b are provided.
The monitored device 1a detects a defined accident in the building 1,
This detection signal is output to the center 2 via the general subscriber line 3. The center 2 is provided with a telephone 2a and a failure diagnostic device 2b for the operator M ₂ to transmit and receive. The fault diagnosis device 2b and the operation unit 2b ₁ for inputting and outputting a processing method of a fault condition or failure of the monitored device 1a, a fault diagnosis storage unit 2b ₃ data is stored needed to diagnose faults, Operating part 2b ₁
And a control unit 2b ₂ for controlling the failure diagnosis storage unit 2b ₃ . The failure diagnosis device 2b has data relating to the failure of the monitored device 1a, and when a failure occurs in the monitored device 1a, diagnoses the cause of the failure according to the status of the failure, and outputs the repair method.

In this remote failure monitoring device, when the monitored device 1a is in a normal state, the monitored device 1a sends a signal indicating that the monitored device 1a is normally operating to the center 2 to the general subscriber line 3 at a predetermined time. Is used to notify by a data signal. When a failure occurs in the monitored device 1a, a signal indicating that the monitored device 1a is operating normally is not transmitted to the center 2. Worker M ₁ is dispatched to Building 1 for inspection. The worker M ₁ checks the failure state of the monitored device 1a and informs the operator M ₂ of the center 2 of the failure state by the telephone 1b. The operator M _{2 of the} center 2 receives the failure state of the monitored device 1a by the telephone 2a, and operates the operation unit 2b ₁ based on the failure state to input the failure state. The control unit 2b ₂ is based on a fault condition that is input, and diagnosing faults cause accordance fault diagnosis storage unit 2b ₃ of a predetermined program, as a result, and outputs the repair method of the monitored device 1a on the operation unit 2b ₁ . The operator M _{2 of the} center 2 operates the operation unit 2
The contents output from b ₁ are communicated to the worker M ₁ in the building 1 through the telephone 1b by the telephone 2a.

[Problems to be Solved by the Invention]

Meanwhile in the conventional remote fault monitoring apparatus, when a failure diagnosis of the monitoring device 1a a failure occurs in the fault diagnosis apparatus 2b, survey methods and failure of the failure state of the monitoring device 1a output from the operation unit 2b ₁ There is a case where the operator M _{2 of the} center 2 erroneously informs the worker M ₁ in the building 1 of the repair method of 1. At this time, the labor and time spent for the failure diagnosis of the monitored device 1a increase, and there is also a possibility that the failure of other parts occurring during this work cannot be swiftly and appropriately dealt with.

An object of the present invention is to solve the above-mentioned problems of the prior art, and a remote failure monitoring device capable of diagnosing and repairing a failure of a monitored device without an erroneous instruction from an operator in a center to a worker in a building. To provide.

[Means for solving the problem]

In order to achieve the above object, the present invention provides a management unit equipped with a failure diagnosis device, wherein the management unit includes a remote failure monitoring device for monitoring a failure of a plurality of monitored devices existing at remote locations via a telephone line. An image transmission unit that is provided and converts the output signal of the failure diagnosis device into an image transmission signal and outputs the image transmission signal to the telephone line; and an image that is arranged on the monitored device side and that corresponds to the image transmission signal from the image transmission unit. A video telephone for displaying is provided.

[Action]

When a failure occurs in a monitored device, a worker is dispatched to the monitored device. The dispatched worker informs the management section of the failure by telephone, and the management section inquires of the failure state. The worker returns a failure state in response to the inquiry, the management unit side diagnoses the failure based on the reply, and outputs the diagnosis result to the worker. All the outputs from the management section are automatically output as image transmission signals to the telephone line, and the image transmission signals are received by the videophone on the monitored device side.

〔Example〕

Hereinafter, the present invention will be described based on the illustrated embodiments. FIG. 1 is a block diagram of a remote fault monitoring device according to an embodiment of the present invention. In the figure, the same parts as those shown in FIG. Reference numeral ₄ designates an image transmission unit which is provided in a management unit equipped with a failure diagnosis device, that is, in the center 2 and which converts an inquiry necessary for the failure diagnosis and a repair method of the failure into an image transmission signal and outputs the image transmission signal. ₁ , failure diagnosis section 2
The control units 5 for controlling b ₃ and the image transmission unit 4 are provided in the building 1, that is, on the monitored device 1a side, and the image transmission unit 4
A video telephone 2'for receiving an image transmission signal from the device and displaying an image is a center equipped with a remote failure monitoring device 2b according to the present invention.

Next, the operation of the embodiment will be described. When a failure occurs in the monitored device 1a, as described above, the worker M ₁
Will be dispatched. The worker M ₁ dials from the video telephone 5 to the telephone 2a in the center 2 '. As a result, the videophone 5 and the telephone 2a can communicate with each other via the general subscriber line 3. When the operator M ₂ of the center 2 'enabled the call with the telephone 2a television telephone 5, by operating the operation unit 2b _1, initiates a fault diagnosis of the monitoring device 1a. Control unit 2b ′
₂ activates a predetermined program in the failure diagnosis storage section 2b ₃ based on an input signal from the operation section 2b ₁ , and first outputs a signal inquiring about the failure state of the monitored device 1a to the image transmission section 4. This signal is a signal that specifies the state of the failure and inquires of the worker M ₁ whether or not the failure is in the specific state.
The image transmitting unit 4 transmits this signal as an image signal to the videophone 5. The worker M ₁ looks at the inquiry signal from the failure diagnosis device 2b as an image through the videophone 5 and investigates the failure state of the monitored device 1a according to the image. The fault condition investigated next is notified from the video telephone 5 to the operator M ₂ of the center 2'as a voice. The operator M ₂ inputs the failure state notified from the worker M ₁ using the operation unit 2b ₂ . Based on this input, the next inquiry about the specific state is transmitted to the videophone 5 via the image transmitting unit 4. Such an inquiry is repeated until the fault condition is identified. Fault state a determination is made whether to match the query 'place in _2, the control unit 2b when matching' control portion 2b ₂ based on the identified fault condition, the fault cause of the failure of the monitored device 1a diagnosed according to a predetermined program of the diagnostic memory portion 2b _3, and outputs the result to the image transmission unit 4 with signals repair method of the monitored device 1a. In the image transmitting unit 4, this signal is used as an image signal via the general subscriber line 3 to the video telephone 5
Send to. The worker M ₁ follows the method of repairing the monitored device 1a displayed as a received image from the videophone 5,
The monitored device 1a is returned to the normal state.

As described above, in this embodiment, the worker M ₁ dispatched to the building 1 receives the failure information as an image directly with the image transmitter 4 of the failure diagnosis device by the videophone 5. It is possible to prevent erroneous instructions from the operator M ₂ on the side of the monitoring center 2 ′, and the time and labor for failure diagnosis can be shortened.

〔The invention's effect〕

According to the present invention, the worker dispatched to the building can directly receive the failure diagnosis result as an image with the image transmission unit installed in the failure diagnosis device by using the videophone. Erroneous instructions from the operator can be prevented, and labor and time for failure diagnosis can be shortened.

[Brief description of drawings]

FIG. 1 is a block diagram of a remote fault monitoring device showing an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional remote fault monitoring device. 1a ...... monitored device, 2 '... center, 2b' _{2 ...} control unit, 4 ... image transmitting unit, 5 ... television telephone.

Claims (1)

[Claims] 1. A remote failure monitoring device for monitoring a failure of a plurality of monitored devices existing at a remote location via a telephone line in a management unit equipped with a failure diagnosis device, wherein the failure diagnosis is provided in the management unit. An image transmitting unit that converts an output signal of the device into an image transmitting signal and outputs the image transmitting signal to the telephone line, and a videophone that is arranged on the monitored device side and displays an image according to the image transmitting signal from the image transmitting unit. A remote failure monitoring device characterized by being provided with.