JPH1186178A - Data collection system equipment - Google Patents

Abstract

(57) [Summary] [Problem] It takes time until data collection is started, and since one data transfer device measures one measurement point, the measured data is collected. There was a problem that the work efficiency and economic efficiency at the time were not good. The system includes a sensor selector for selecting data detected by one of a plurality of sensors, and a system for transmitting and receiving signals between a data collection device and a data transfer device. And a system for supplying power to the data transfer device from the system.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data collection system for remotely and wirelessly measuring the state of equipment in a plant or the like using a sensor and collecting data.

[0002]

2. Description of the Related Art FIG. 8 is a block diagram showing a conventional data collection system device disclosed in, for example, Japanese Utility Model Application Laid-Open No. 5-52997. In the figure, 101 is a data collection device, 102 is a data transfer device, and 111 is a data transfer device. , A processing unit of the data collection device 101; 112, a driver; 113, a first light emitter driven by the driver 112; 103, a lens attached to the first light emitter 113; 104, light emitted from the first light emitter 113 The light beam 114 is the data transfer device 1
A second light receiver for receiving the light beam transmitted from the light source 02;
5, a preamplifier provided between the second light receiver 114 and the processing unit 111; 121, a first light receiver for receiving the light beam 104; 122, a decoder for decoding the output of the first light receiver 121; A battery 129 for storing electric energy from the output of the detector 121, a diode 129 for rectifying the output of the first light receiver 121 and preventing a backflow of the electric energy stored in the battery 123, and a decoder 124.
The switch 125 is controlled by the data transfer device 1
02, a sensor 126, an encoder for encoding a signal output from the sensor 125, 127, a driver, 128
Is a second light emitter driven by the driver 127, 131
Denotes a lens attached to the second light emitter 128, and 141 denotes a light beam output from the second light emitter 128.

Next, the operation will be described. The processing unit 111 of the data collection device 101
The light emitter 113 is driven. The light beam 104 output from the first light emitter 113 is condensed by the lens 103, received by the first light receiver 121 of the data transfer device 102, and converted into electric energy. This electrical energy is supplied to the diode 129
Through the battery 123.

When the start signal is transmitted from the first light emitter 113 after the electric energy is stored in the battery 123, the decoder 122 turns on the switch 124 for a certain period of time and the electric energy stored in the battery 123 is detected by the sensor 125. , The encoder 126 and the driver 127. As a result, the sensor 125 is activated, and the sensor 125 generates a sensor output signal. Then, the sensor output signal of the sensor 125 is encoded by the encoder 126 and supplied to the driver 127. The driver 127 drives the second light emitter 128 based on the encoded sensor output signal. The light ray 141 output from the second light emitter 128 is
The light is irradiated to the second light receiver 114 via the lens 131. The second light receiver 114 converts a change in the irradiated light beam into an electric signal, and is further amplified by the preamplifier 115 and processed by the processing unit 1.
11 is taken in. As a result, the processing unit 111 acquires a sensor output signal of the sensor 125 and performs a predetermined process.

[0005]

Since the conventional data collection system is configured as described above, the battery 12
3 after storing electrical energy by
In order to operate the encoder 126 and the driver 127, the sensor 125, the encoder 126, and the driver 127 are emitted after the light beam 104 is emitted from the first light emitter 113.
However, there is a problem that it takes time to operate.

Further, since one data transfer device 102 has only one sensor 125, there is a problem that one data transfer device 102 is required for each one measurement point.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and reduces the time required until data collection is started and measures a plurality of measurement points with one data transfer device. It is an object of the present invention to obtain a data collection system device capable of reducing power consumption.

[0008]

According to a first aspect of the present invention, there is provided a data collection system, comprising: a sensor selector for selecting data detected by one of a plurality of sensors for converting a physical quantity into an electric signal; A sensor-side optical signal receiving unit that receives an optical signal, a sensor-side processing unit that processes data detected by the sensor selected by the sensor selector and a signal received by the sensor-side optical signal receiving unit, A sensor-side optical signal transmitting unit that converts data detected by the sensor processed by the sensor-side processing unit into an optical signal and transmits the optical signal, and the sensor, the sensor selector, the sensor-side optical signal receiving unit,
A data transfer device having a photoelectric conversion unit that supplies power to the sensor-side processing unit and the sensor-side optical signal transmission unit, and a light irradiation unit that irradiates light to the photoelectric conversion unit of the data transfer device; A collecting-side optical signal receiving unit that receives an optical signal sent from the sensor-side optical signal transmitting unit of the data transfer device and converts it into an electric signal; and an optical signal to the sensor-side optical signal receiving unit of the data transfer device. A collecting-side optical signal transmitting unit that transmits the converted control signal, and a collecting-side processing unit that processes data received by the collecting-side optical signal receiving unit and controls the collecting-side optical signal transmitting unit. And a collection device.

According to a second aspect of the present invention, there is provided a data collection system, comprising: an ID code storage unit provided in a data transfer device and storing an ID code for identifying each sensor; The ID stored in
Based on the code, the sensor-side processing unit attaches the ID code of the sensor to the data detected by the sensor, and sends the data with the ID code to the collection-side optical signal receiving unit of the data collection device. The collection-side processing unit of the data collection device identifies which sensor of the data transfer device the data transmitted by the signal transmission unit and received by the collection-side optical signal reception unit is based on the ID code. It is like that.

According to a third aspect of the present invention, there is provided a data collection system device having ID code storage means provided in a data transfer device for storing an ID code for identifying each sensor. The collection side processing unit of the data collection device transmits a selection ID code for selecting a sensor to the data transfer device, and stores the selection ID code sent from the data collection device and the ID code storage unit. The sensor-side processing unit of the data transfer device selects a sensor or selects data detected by the sensor based on the ID code.

According to a fourth aspect of the present invention, there is provided a data collection system device for controlling power supplied from a photoelectric conversion unit to each unit constituting a data transfer device according to the operation and non-operation of each unit. It is provided with.

According to a fifth aspect of the present invention, in the data collection system device, the collection-side processing unit of the data collection device is provided with a light irradiating means only during a period from the start to the end of the collection of data detected by the sensor of the data transfer device. To irradiate light to the photoelectric conversion means of the data transfer device.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below. Embodiment 1 FIG. FIG. 1 is a block diagram showing a data collection system device according to a first embodiment of the present invention. In the figure, reference numeral 1 denotes a data collection device;
Is carried by an inspector in a plant, for example. Reference numeral 2 denotes a data transfer device, which is attached to, for example, equipment in a plant. Reference numeral 11 denotes a collection-side processing unit of the data collection device 1, and reference numeral 12 denotes a light irradiation unit (light irradiation unit). The light irradiation unit 12 includes, for example, a halogen lamp, a xenon lamp,
A metal halide lamp, a laser, a light emitting diode, or the like is used. Reference numeral 13 denotes a first optical signal transmission unit (collection-side optical signal transmission unit), and reference numeral 14 denotes a second optical signal reception unit (collection-side optical signal reception unit).

Reference numeral 21 denotes a sensor-side processing unit of the data transfer device 2, and reference numeral 22 denotes a photoelectric conversion unit (photoelectric conversion means). As the photoelectric conversion unit 22, for example, a solar cell, a photodiode, or the like is used. Reference numeral 23 denotes a first optical signal receiving unit (sensor-side optical signal receiving unit), and reference numeral 24 denotes a second optical signal transmitting unit (sensor-side optical signal transmitting unit). , 25c are a plurality of independent sensors, for example, an acceleration sensor, a temperature sensor, a pressure sensor, a displacement sensor, a distance sensor, a microphone, a humidity sensor, a speed sensor, a PH sensor, an ITV camera, an infrared camera, and ultraviolet rays. Cameras, color cameras, gas sensors, illuminance sensors, and the like. 26 is a sensor 25a,
The sensor selector selectively outputs a signal output from one of the sensors 25b,..., 25c to the sensor-side processing unit 21.

In the first optical signal transmitting section 13 and the second optical signal transmitting section 24, for example, a laser, a light emitting diode or the like is used for transmitting an optical signal. In the first optical signal receiving section 23 and the second optical signal receiving section 14, for example, a photodiode or the like is used for receiving an optical signal. 3 is a light irradiation unit 1
2 is a light beam for supplying power to the data transfer device 2 irradiated to the photoelectric conversion unit 22; 4 is an optical signal transmitted from the first optical signal transmitting unit 13 to the first optical signal receiving unit 23; This is an optical signal transmitted from the optical signal transmitting unit 24 to the second optical signal receiving unit 14.

Next, the operation will be described. First, the light irradiation unit 12 irradiates the light beam 3 to the photoelectric conversion unit 22. The light beam 3 is converted into electric energy by the photoelectric conversion unit 22,
The converted electric energy is supplied to the sensor-side processing unit 21,
Optical signal receiving unit 23, second optical signal transmitting unit 24, sensor 25
, 25c are supplied to the sensor selector 26.

Next, the collection side processing unit 1 of the data collection device 1
1 transmits the start signal converted into the optical signal 4 to the first optical signal receiving unit 23 via the first optical signal transmitting unit 13. This start signal is converted into an electric signal by the first optical signal receiving unit 23. Upon receiving the start signal via the first optical signal receiving unit 23, the sensor-side processing unit 21 first receives the output of the sensor 25a by the sensor selector 26 according to a preset order, and performs a predetermined operation on the output signal from the sensor 25a. And sends the processing result to the second optical signal transmission unit 24. As described above, all the sensors from the sensor 25a to the sensor 25c are sequentially switched to process the signal output from each sensor. Alternatively, the sensors 25a, 25
b,..., 25c are sequentially switched to process signals output from the respective sensors. As a result, the obtained data is converted from the second optical signal transmitting unit 24 to the optical signal 5 and transmitted to the second optical signal receiving unit 14. Then, it is converted into an electric signal by the second optical signal receiving unit 14. The collection-side processing unit 11 obtains the data detected by the sensor and converted into an electric signal by the second optical signal receiving unit 14.

The content of the optical signal 4 sent from the second optical signal transmitting section 24 to the first optical signal receiving section 23 is only a start signal as a control signal to be sent to the sensor side processing section 21 of the data transfer apparatus 2. Needless to say, this is not always the case.

Although not shown, the data collection apparatus 1 is provided with a keypad, buttons, and the like, and is configured to provide control commands to the collection-side processing unit 11 by the keypads, buttons, and the like. It is possible to do.

Further, a display unit for displaying the content of the data output from the collection-side processing unit 11 may be provided in the data collection device 1. In such a case, the content of the collected data may be provided. Can be easily grasped in the data collection device 1.

As described above, according to the first embodiment, the supply of electric energy by irradiating the data transfer device 2 with light and the transmission of various control signals are performed in separate systems. And the transmission of the various control signals can be performed almost simultaneously. From the irradiation of the light beam for supplying the electric energy from the data collection device 1 to the data transfer device 2 until the data transfer device 2 operates. There is an effect that a data collection system device that can reduce the time and can transmit a complicated and long control signal from the data collection device 1 to the data transfer device 2 can be obtained.

Further, since the outputs of a plurality of sensors can be processed by one data transfer device 2, various data at a plurality of measurement points can be detected by one data transfer device, thereby improving economic efficiency. There is an effect that a data collection system device can be obtained.

Embodiment 2 FIG. In the first embodiment, the case where the data transfer device 2 transmits only the data obtained by the sensors 25a, 25b,..., 25c to the data collection device 1 has been described. Sensor ID for identifying the sensor together with the data obtained
The code is transmitted to the data collection device 1.

FIG. 2 is a block diagram showing a data collection system apparatus according to a second embodiment of the present invention. In FIG. 2, the same or corresponding parts as those in FIG. In the figure, reference numeral 27 denotes a sensor ID code storage unit (ID code storage unit) provided in the data transfer device 2. This sensor ID code storage unit 27
Stores different ID codes for each of the sensors 25a, 25b,..., 25c.

Next, the operation will be described. First, the light irradiation unit 12 irradiates the photoelectric conversion unit 22 with the light beam 3 for supplying electric energy. The light beam 3 radiated to the photoelectric conversion unit 22 is converted into electric energy, and the electric energy is converted into electric energy. 25c, the sensor selector 26, and the sensor ID code storage unit 27.

Next, the collection-side processing unit 1 of the data collection device 1
Reference numeral 1 denotes a first optical signal receiving unit 2 of the data transfer device 2 which converts the start signal converted from the first optical signal transmitting unit 13 into the optical signal 4.
Send to 3. Upon receiving the start signal via the first optical signal receiving unit 23, the sensor-side processing unit 21 selects a sensor by the sensor selector 26 according to a preset order, and performs a predetermined process on the data obtained by the selected sensor. Then, the ID code of the selected sensor is read from the sensor ID code storage unit 27, and the read ID code is output to the second optical signal transmission unit 24 together with the data on which the predetermined processing has been performed.

For example, when the sensor 25a is selected, the ID code corresponding to the sensor 25a and the sensor 25a are selected.
The data obtained from a is transmitted by the second optical signal transmitting unit 24 to the second optical signal receiving unit 14 of the data collection device 1.

In the data collection device 1, the collection-side processing unit 11
Obtains the ID code and the data transmitted through the second optical signal receiving unit 14. Thus, the data collection device can identify which sensor has detected the data transmitted from the data transfer device 2 by the ID code.

As described above, according to the second embodiment, on the basis of the start signal transmitted from the data collection device 1 to the data transfer device 2, the data collection device 1 Since the obtained data and the ID code of the sensor that detected the data can be obtained, a data collection system device that can easily identify which sensor has detected the data collected by the data collection device 1 can be obtained. effective.

Embodiment 3 In the first and second embodiments, the data transfer device 2 selects a sensor according to a preset order. In the third embodiment, an arbitrary sensor is selected from the data collection device 1. .

FIG. 3 is a block diagram showing a configuration of a data collection system apparatus according to Embodiment 3 of the present invention. FIG.
2, the same or corresponding parts as those in FIG. 2 are denoted by the same reference numerals, and description thereof is omitted. In the figure, reference numeral 28 denotes a sensor selection signal generator that reads an ID code from the sensor ID code storage unit 27 based on the sensor selection ID code and outputs a sensor selection signal.

Next, the operation will be described. First, the light irradiation unit 12 irradiates the light beam 3 to the photoelectric conversion unit 22. Ray 3
Is converted into electric energy by the photoelectric conversion unit 22, and the converted electric energy is used as the sensor side processing unit 21, the first optical signal receiving unit 23, the second optical signal transmitting unit 24, and the sensor 25.
, 25c, sensor selector 26, sensor I
It is supplied to the D code storage unit 27 and the sensor selection signal generator 28.

Next, the collection-side processing unit 1 of the data collection device 1
1 transmits the sensor selection ID code converted into the optical signal 4 from the first optical signal transmitting unit 13 to the first optical signal receiving unit 23 of the data transfer device 2. The sensor selection signal generator 28 that has acquired the sensor selection ID code via the first optical signal reception unit 23 reads the sensor ID code corresponding to the sensor selection ID code from the sensor ID code storage unit 27, A sensor selection signal for selecting the sensor is output to the sensor-side processing unit 21. The sensor-side processing unit 21 outputs to the sensor selector 26 an instruction to select a corresponding sensor based on the sensor selection signal. Sensor selector 26
Selects a corresponding sensor based on the command and outputs data detected by the sensor to the sensor-side processing unit 21. The sensor-side processing unit 21 performs a predetermined process on the data detected by the sensor, and sends the processed data to the second optical signal transmission unit 24.

The data is converted into an optical signal 5 by the second optical signal transmitting section 24 and sent to the second optical signal receiving section 14.
Then, the collection-side processing unit 11 of the data collection device 1
The data is obtained via the optical signal receiving unit 14.

As described above, according to the third embodiment, even when a plurality of sensors exist, the data collection device 1
Based on the sensor selection ID code transmitted from the device to the data transfer device 2, there is an effect that a data collection system device capable of selecting only a desired sensor corresponding to the sensor selection ID code from the plurality of sensors is obtained. .

Embodiment 4 FIG. In the first to third embodiments, the photoelectric conversion unit 22 of the data transfer device 2 supplies power to each part of the data transfer device 2. However, in this embodiment, the operation of each unit is performed. The power from the photoelectric conversion unit 22 is supplied only to necessary parts according to the state.

FIG. 4 is a block diagram showing a configuration of a data collection system according to the fourth embodiment of the present invention. FIG.
In FIG. 7, the same or corresponding parts as those in FIG. In the figure, reference numeral 29 denotes a power distribution unit that supplies power from the photoelectric conversion unit 22 only to necessary parts according to the operation state of each unit.

Next, the operation will be described. First, the light beam 3 is irradiated from the light irradiation unit 12 to the photoelectric conversion unit 22. Ray 3
Is converted into electric energy by the photoelectric conversion unit 22, and the converted electric energy is supplied only to the sensor-side processing unit 21 and the first optical signal receiving unit 23. Next, the collection-side processing unit 11 of the data collection device 1 transmits the start signal from the first optical signal transmission unit 13 as an optical signal 4 to the first optical signal reception unit 23 of the data transfer device 2.

The sensor-side processing unit 21 that has received the start signal via the first optical signal receiving unit 23 receives, by the sensor selector 26, data detected by the sensors selected in a preset order. Perform predetermined processing,
The processed data is output to the second optical signal transmission unit 24.
At this time, no electric power is supplied to the first optical signal receiving unit 23 and the unselected sensor, and the electric power is supplied to the selected sensor, the sensor selector 26, the sensor-side processing unit 21, and the second optical signal transmitting unit 24. Is supplied.

For example, when the sensor 25a is selected, no power is supplied to the sensors 25b,..., 25c. The processed data is sent from the second optical signal transmitting unit 24 as the optical signal 5 to the second optical signal receiving unit 14 of the data collection device 1. The data sent to the second optical signal receiving unit 14 is converted into an electric signal,
Output to

As described above, according to the fourth embodiment, power is not supplied to a circuit portion that does not need to operate in data transfer device 2, and power is supplied only to a circuit portion that operates. As a result, there is an effect that a data collection system device capable of suppressing power consumption in the data transfer device 2 is obtained.

Embodiment 5 FIG. In each of the data collection system devices according to the first to fourth embodiments, the power supply to the data collection device 1 is performed from the outside. However, as shown in FIG. By providing the data collection device, portability and work efficiency of the data collection device 1 can be improved.

In FIG. 5, reference numeral 31 denotes the battery, which supplies power to the collection-side processing unit 11, the light irradiation unit 12, the first optical signal transmission unit 13, the second optical signal reception unit 14 and the like of the data collection device 1. I do.

Embodiment 6 FIG. In the data collection system devices according to the first to fifth embodiments, the light irradiating unit 12 always irradiates the photoelectric conversion unit 22 of the data transfer device 2 with light. In the data collection system device of the sixth embodiment, as shown in FIG. 6, the power consumption of the data collection device 1 is reduced by controlling the turning on / off of the light irradiation unit 12 by the collection processing unit 11. For this reason, the collection-side processing unit 11 outputs a lighting / light-off control signal for controlling lighting / light-off of the light irradiation unit 12 to the light irradiation unit 12 to turn on the light irradiation unit 12, and after transmitting a start signal, As soon as the desired data sent from the data transfer device 2 is obtained, the light irradiation unit 12 is turned off. As a result, power consumption of the data collection device 1 can be effectively saved.

Embodiment 7 In the first to sixth embodiments, the electric energy required in the data transfer device 2 is supplied directly from the photoelectric conversion unit 22 to the sensor-side processing unit 21 and the like. In the system device, an electric energy storage unit 41 is provided as shown in FIG. 7, and the electric energy converted by the photoelectric conversion unit 22 is temporarily stored in the electric energy storage unit 41. As a result, for example, in a place where light such as sunlight is irradiated on the photoelectric conversion unit 22, the data transfer device 2 can generate and store electric energy by itself, and turn off the light irradiation from the data collection device 1. Power on the data collection device 1 side can be saved.

[0046]

As described above, according to the present invention, the data transfer device is provided with the sensor selector for selecting the data detected by one of the plurality of sensors.
One data transfer device can cope with a plurality of measurement points, which has the effect of improving economy.

According to the present invention, the system for transmitting and receiving signals between the data collection device and the data transfer device and the system for supplying power from the data collection device to the data transfer device are provided separately. The power supply from the data collection device to the data transfer device and the transmission and reception of signals between the data collection device and the data transfer device can be performed in parallel, and the data collection starts. This has the effect of shortening the time required to complete.

According to the present invention, based on the ID code stored in the ID code storage means, the sensor side processing unit attaches the ID code of the sensor to the data detected by the sensor,
The sensor-side optical signal transmission unit transmits the data with the ID code to the collection-side optical signal reception unit of the data collection device, and the collection-side processing unit of the data collection device receives the data at the collection-side optical signal reception unit. Since it is configured to identify which sensor of the data transfer device has detected the data based on the ID code, even if a plurality of sensors are provided in the data transfer device, the data transfer device transmits the data. Since the data collection device can easily identify which sensor is the data that has been obtained, the data collection device can easily process the data detected for each of a plurality of measurement points. This has the effect of improving the processing efficiency and economics of the data obtained at the measurement points.

According to the present invention, since the power supply unit that controls the power supplied from the photoelectric conversion unit to each unit constituting the data transfer device according to the operation or non-operation of each unit is provided, This has the effect of reducing power consumption.

According to the present invention, the collection-side processing section of the data collection device controls the light irradiating means only during the period from the start of collection of data detected by the sensor of the data transfer device to the end of the collection, thereby controlling the data transfer device. Is provided with a configuration for irradiating the photoelectric conversion unit with light, and thus there is an effect that power consumption can be suppressed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a data collection system device according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a data collection system device according to a second embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of a data collection system device according to a third embodiment of the present invention.

FIG. 4 is a block diagram showing a configuration of a data collection system device according to a fourth embodiment of the present invention.

FIG. 5 is a block diagram showing a configuration of a data collection device of a data collection system device according to a fifth embodiment of the present invention.

FIG. 6 is a block diagram showing a configuration of a data collection device of a data collection system device according to a sixth embodiment of the present invention.

FIG. 7 is a block diagram showing a configuration of a data transfer device of a data collection system device according to a seventh embodiment of the present invention.

FIG. 8 is a block diagram showing a configuration of a conventional data collection system device.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 data collection device, 2 data transfer device, 11 collection-side processing unit, 12 light irradiation unit (light irradiation unit), 13 first
Optical signal transmitting section (collecting side optical signal transmitting section), 14 second optical signal receiving section (collecting side optical signal receiving section), 21 sensor side processing section, 22 photoelectric conversion section (photoelectric conversion means), 23 first optical signal Receiving section (sensor-side optical signal receiving section), 24 second optical signal transmitting section (sensor-side optical signal transmitting section), 25a, 25b,
, 25c sensor, 26 sensor selector, 27 sensor ID code storage unit (ID code storage unit), 29 power distribution unit.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Ikuo Ikeda 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsui Electric Co., Ltd. (72) Inventor Atsushi Tochio 3-2-2 Nakanoshima, Kita-ku, Osaka-shi, Osaka No. Kansai Electric Power Co., Inc.

Claims (5)

[Claims] 1. A plurality of sensors for converting a physical quantity into an electric signal, a sensor selector for selecting data detected by one of the plurality of sensors, and a sensor-side optical signal receiving unit for receiving an optical signal A sensor-side processing unit that processes data detected by the sensor selected by the sensor selector and a signal received by the sensor-side optical signal receiving unit; and a sensor processed by the sensor-side processing unit detects A sensor-side optical signal transmitting unit that converts data into an optical signal and transmits the power, and supplies power to the sensor, the sensor selector, the sensor-side optical signal receiving unit, the sensor-side processing unit, and the sensor-side optical signal transmitting unit. A data transfer device having a photoelectric conversion unit for supplying the light; a light irradiation unit for irradiating the photoelectric conversion unit of the data transfer device with light; and a sensor-side optical signal transmission of the data transfer device. A collecting-side optical signal receiving unit that receives the optical signal transmitted from the optical signal receiving unit and converts it into an electric signal; and a collecting-side light that transmits a control signal converted into an optical signal to the sensor-side optical signal receiving unit of the data transfer device. A data collection system device comprising: a signal transmission unit; and a data collection device having a collection-side processing unit that processes data received by the collection-side optical signal reception unit and controls the collection-side optical signal transmission unit. 2. An ID code storage unit provided in a data transfer device and storing an ID code for identifying each sensor, wherein the sensor-side processing unit stores the ID stored in the ID code storage unit. Based on the code, an ID code of the sensor is attached to the data detected by the sensor, and the sensor-side optical signal transmission unit transmits the data with the ID code to the collection-side optical signal reception unit of the data collection device. Transmitting, the collection-side processing unit of the data collection device identifies which sensor of the data transfer device detected the data received by the collection-side optical signal reception unit based on the ID code. The data collection system device according to claim 1, wherein 3. An ID code storage means provided in the data transfer device and storing an ID code for identifying each sensor, wherein the collection side processing unit of the data collection device stores the sensor of the data transfer device. A selection ID code for selection is transmitted to the data transfer device, and the sensor side processing unit of the data transfer device transmits the ID code for selection and the I
2. The data collection system according to claim 1, wherein a sensor and data detected by the sensor are selected based on the ID code stored in the D code storage unit. 4. A power distribution unit for controlling power supplied from a photoelectric conversion unit to each unit constituting a data transfer device according to the operation or non-operation of each unit. Data collection system device as described. 5. The collection-side processing unit of the data collection device controls the light irradiating unit and controls the photoelectric conversion unit of the data transfer device only during a period from the start to the end of the collection of the data detected by the sensor of the data transfer device. The data collection system device according to any one of claims 1 to 4, wherein the data collection system device is irradiated with light.