Photoelectric separation type sensor test device

Abstract

To achieve a photoelectric separation type sensor test device that can easily perform an actuation test of a photoelectric separation type sensor installed at a high place in various installation environments.SOLUTION: A photoelectric separation type sensor test device, which is used in an actuation test of a photoelectric separation type sensor having a light transmission unit and a light reception unit, comprises: a remote controller that transmits a flight control command to be generated based on an operation input by a test worker; a flying robot that is flyable based on the flight control command; and a filter unit that is loaded in the flying robot, and reduces an amount of light in a light reception unit by the filter unit being inserted into a route on which an optical signal projected from a light transmission unit is received by the light reception unit. The filter unit is exchangeable with a neutral density filter having a different neutral density characteristic, and the remote controller is configured to output the flight control command, insert the filter unit loaded in the flying robot onto the route, and thereby, execute the actuation test by remote control.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present disclosure relates to a photoelectric separation sensor testing device that uses an aerial robot to perform an operation test of a photoelectric separation sensor. [Background technology]

[0002] Photoelectric separate type detectors are disaster prevention devices for detecting and reporting fires. Photoelectric separate type detectors have a light transmitting section and a light receiving section arranged separately, and detect optical signals emitted from the light transmitting section equipped with a light emitting element such as a light emitting diode by the light receiving section equipped with a light receiving element such as a photodiode, and judge whether or not there is a fire based on the change in the amount of received light.

[0003] Photoelectric separation type detectors must be tested for operation during legally required fire inspections and maintenance inspections. When conducting such an operation test, a neutral density filter is inserted into the optical signal path between the light transmitting unit and the light receiving unit to check whether the detection sensitivity is normal (for example, see Non-Patent Document 1). [Prior art documents] [Non-patent literature]

[0004] [Non-Patent Document 1] Nohmi Fire Prevention Co., Ltd. website, Photoelectric separation type dimming filter storage box tester (URL: https: / / www.nohmi.co.jp / shoninzu / 015 / 015-0007.html) Summary of the Invention [Problem to be solved by the invention]

[0005] In a separated photoelectric detector, the monitoring distance, which corresponds to the distance between the light-transmitting unit and the light-receiving unit, is a maximum of approximately 100 m, and they may be installed in large spaces, with the light-transmitting unit and the light-receiving unit being installed at high positions within the facility.

[0006] Therefore, depending on the installation environment, it may be difficult to insert the neutral density filter during the operation test. Although it is possible to temporarily set up scaffolding for the operation test, this is time-consuming.

[0007] The present disclosure has been made to solve the above-mentioned problems, and aims to provide a photoelectric separated sensor testing device that can easily perform operation tests on photoelectric separated sensors installed at high altitudes in various installation environments. [Means for solving the problem]

[0008] The photoelectric separated sensor testing equipment according to the present disclosure is a photoelectric separated sensor testing equipment used for testing the operation of a photoelectric separated sensor having a light transmitting unit and a light receiving unit, and includes a remote controller that transmits flight control commands generated based on operational input by an examiner, a flying robot capable of flying based on the flight control commands, and a filter unit mounted on the flying robot and inserted onto a path along which an optical signal projected from the light transmitting unit is received by the light receiving unit, thereby reducing the amount of light received by the light receiving unit, and the filter unit is replaceable with a dimming filter having different dimming characteristics. The remote controller outputs flight control commands to insert the filter unit mounted on the flying robot onto the path, thereby remotely controlling the operation test. Effect of the Invention

[0009] According to the present disclosure, it is possible to obtain a photoelectric separated sensor testing device that can easily perform operation tests on photoelectric separated sensors installed at high places in various installation environments. [Brief description of the drawings]

[0010] [Figure 1] 1 is a functional block diagram of a photoelectric separated sensor test device according to a first embodiment of the present disclosure. FIG. [Diagram 2] 1 is a configuration diagram showing a photoelectric separated sensor that is a test subject by a photoelectric separated sensor testing device according to a first embodiment of the present disclosure. [Diagram 3] FIG. 2 is an explanatory diagram for carrying out an operation test of a separated photoelectric sensor that is a test subject in the first embodiment of the present disclosure. [Figure 4] 1 is an explanatory diagram summarizing the set sensitivities of various sensors implemented in a photoelectric separated sensor test device according to embodiment 1 of the present disclosure. FIG. [Diagram 5] 1 is an explanatory diagram showing a configuration example of a photoelectric separated sensor test device according to a first embodiment of the present disclosure; [Figure 6] FIG. 2 is an explanatory diagram showing a method for performing an operation test of a separated photoelectric sensor installed at a high place using the test device for a separated photoelectric sensor according to the first embodiment of the present disclosure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] Hereinafter, preferred embodiments of the photoelectric separation sensor test device of the present disclosure will be described with reference to the drawings. The photoelectric separated sensor testing device according to the present disclosure has a technical feature of being equipped with a light-shielding filter on a flying robot capable of positioning control by a remote controller in order to perform an operation test of a photoelectric separated sensor installed at a high place. As a result, even in an environment where the photoelectric separated sensor is installed at a high place, it is possible to easily insert the light-shielding filter into the optical signal path and perform an operation test without preparing scaffolding or the like.

[0012] Embodiment 1 1 is a functional block diagram of a photoelectric separation type sensor test device according to the first embodiment of the present disclosure. The photoelectric separation type sensor test device according to the first embodiment includes a flying robot 1 and a remote controller 100.

[0013] The flying robot 1 is a multicopter type unmanned aerial vehicle, such as a drone, that can fly by remote control using a remote controller 100. The functions of the flying robot 1 shown in FIG. 1 are divided into functions executed by a robot main body unit 10 and a robot mounted unit 20.

[0014] The robot main body 10 is the original functional part that performs unmanned flight based on remote control, and is equipped with a flying robot control unit 11. The flying robot control unit 11 executes flight control of the flying robot 1 based on flight control commands generated and transmitted by a remote controller 100 based on operational input by a tester.

[0015] On the other hand, the robot mounting unit 20 is a functional part mounted on the flying robot 1 in order to easily perform operation testing of the photoelectric separation type sensor by remote control using the remote controller 100, and is equipped with a filter unit 21.

[0016] Before providing a specific description of the photoelectric separated sensor test device according to the present disclosure, a supplementary description will be given of the configuration of the photoelectric separated sensor and the light-shielding filter used for performing the operation test.

[0017] 2 is a configuration diagram showing a photoelectric separated sensor to be tested by the photoelectric separated sensor testing apparatus according to the first embodiment of the present disclosure. The photoelectric separated sensor 200 is composed of a light transmitting unit 201 and a light receiving unit 202. Here, the distance (monitoring distance) between the light transmitting unit 201 and the light receiving unit 202 is, for example, about 5 m to 100 m.

[0018] The photoelectric separate sensor 200 receives an optical signal emitted from a light transmitting unit 201 with a light receiving unit 202, and detects the presence or absence of smoke from changes in the amount of received light. If the area in which smoke needs to be detected is wide, multiple pairs of such light transmitting units 201 and light receiving units 202 may be installed at intervals.

[0019] The light receiving output by the light receiving unit 202 is fed back to the light transmitting unit 201 as an electrical signal, so that the light transmitting unit 201 can know the intensity of the optical signal it has projected that is being received by the light receiving unit 202.

[0020] Also, although details will be omitted, when the photoelectric separated sensor 200 is incorporated into an automatic fire alarm system, it sends a fire signal to a fire receiver 300 that performs centralized monitoring of the monitored area, notifying the user that the amount of received light has fallen below an allowable threshold.

[0021] 3 is an explanatory diagram for carrying out an operation test of a photoelectric separated sensor to be tested in the first embodiment of the present disclosure. In order to carry out the operation test, the filter unit 21 is inserted in front of the light receiving unit 202 on the path of the optical signal.

[0022] The photoelectric separation detectors that were the subject of the test are broadly divided into two types, Class 1 and Class 2, depending on their sensitivity. Class 1 has a higher detection sensitivity than Class 2.

[0023] More specifically, for a photoelectric separation sensor, specific light attenuation rates for the first and second sensitivities are specified as set sensitivities according to the monitoring distance, which corresponds to the distance between the light transmitting unit 201 and the light receiving unit 202. Furthermore, when testing such set sensitivities, light attenuation rates for operation tests and non-operation tests are specified.

[0024] Fig. 4 is an explanatory diagram summarizing the set sensitivities of various sensors implemented by the photoelectric separated sensor test device according to the first embodiment of the present disclosure. As shown in Fig. 4, photoelectric separated sensors with first and second sensitivity are roughly divided into three types according to the monitoring distance, and the light attenuation rate of the filter used in each operation test and deactivation test is specified.

[0025] As an example, the following describes the stipulated values ​​for a photoelectric separate detector with Class 1 sensitivity that is installed with a monitoring distance of 40 m or more and 100 m or less. In the following, such a photoelectric separate detector with Class 1 sensitivity that is installed with a monitoring distance of 40 m or more and 100 m or less will be referred to simply as detector A.

[0026] In detector A, the light reduction rate corresponding to the set sensitivity is specified as 50% of the normal amount of received light. With the normal amount of received light being 100%, a state in which the light receiving unit 202 is only able to receive 50% or less of that amount of light is detected as an abnormal state indicating that a fire has occurred.

[0027] Therefore, when checking the sensitivity of detector A, an operation test is conducted with a filter with a light attenuation rate of 60% (greater than 50%) attached to filter unit 21 as the first light attenuation filter, and a non-operation test is conducted with a filter with a light attenuation rate of 40% (less than 50%) attached to filter unit 21 as the second light attenuation filter.

[0028] Specifically, in the "operation test", a neutral density filter with a 60% dimming rate, which has a greater dimming rate than the set sensitivity, is inserted in the path of the optical signal in front of the light receiving unit 202. Then, about 15 seconds after the insertion, the operation confirmation light of detector A turns on, and the fire receiver 300 displays a fire, which is the establishment of the operation confirmation condition, and it is confirmed that detector A, which has a set sensitivity of 50% dimming rate, is operating normally and a fire signal is output.

[0029] In the "deactivation test", a neutral density filter with a 40% attenuation rate, which is smaller than the set sensitivity, is inserted in front of the light receiving unit 202 on the path of the optical signal. Then, when the deactivation confirmation condition is met, that is, Sensor A does not operate for 30 seconds after insertion, it is confirmed that Sensor A, which has a set sensitivity of 50% attenuation rate, is in a normal state where it does not overdetect.

[0030] In this way, for any photoelectric separated detector specified by sensitivity and detection distance, an operation test is performed using a filter with a higher light attenuation rate than the set sensitivity as the first light attenuation filter, and a non-operation test is performed using a filter with a lower light attenuation rate than the set sensitivity as the second light attenuation filter, according to the values ​​shown in Figure 4, thereby enabling operation tests to be carried out during fire inspections and maintenance inspections as stipulated by law.

[0031] Next, a specific method for performing the operation test and the inoperation test shown in FIG. 4 using the photoelectric separation type sensor test device according to the present embodiment 1 having the configuration of the flying robot 1 and the remote controller 100 shown in FIG. 1 will be described with reference to FIG. 5 and FIG. 6.

[0032] Fig. 5 is an explanatory diagram showing a configuration example of a photoelectric separated sensor test device according to the first embodiment of the present disclosure. More specifically, Fig. 5 shows a state in which a filter unit 21 is mounted on a robot main body unit 10. The size of the neutral density filter attached to the filter unit 21 is, for example, about 15 cm x 15 cm.

[0033] In order to carry out the various operation tests and non-operation tests shown in FIG. 4 above, six types of dimming filters having different dimming characteristics of dimming rates of 10%, 20%, 30%, 40%, 60%, and 80% are prepared as filter members, and a filter section 21 that can be replaced with an appropriate filter member depending on the test content is used.

[0034] Therefore, the test personnel can carry out the operation test and inoperation test shown in FIG. 4 by flying the flying robot 1 after mounting the filter unit 21 equipped with a neutral density filter having an appropriate light attenuation rate according to the test content defined by the sensitivity and detection distance of the photoelectric separated sensor 200 to be subjected to the operation test, which is installed on a high wall or the like.

[0035] Fig. 6 is an explanatory diagram of a method for performing an operation test of a photoelectric separated sensor installed at a high place using a photoelectric separated sensor test device according to the first embodiment of the present disclosure. Fig. 6 illustrates a case in which a light transmitting unit 201 and a light receiving unit 202 constituting a photoelectric separated sensor 200 to be tested are installed on opposing walls at a high place.

[0036] To carry out an operation test on the photoelectric separate type sensor 200 installed in this manner using the photoelectric separate type sensor test device according to the first embodiment, a tester sequentially carries out the following procedures.

[0037] <Step 1: Mounting the filter unit 21> With the flying robot 1 placed on the ground, the tester mounts the filter unit 21, which has a neutral density filter with an appropriate light attenuation rate according to the test content defined by the sensitivity and detection distance, on the flying robot 1. An example of the state after mounting the filter unit 21 corresponds to the state shown in FIG.

[0038] <Step 2: Positioning control of flying robot 1> A tester flies the flying robot 1 along a desired route toward the light receiving unit 202 of the photoelectric separation type sensor 200 to be tested for operation by operating the flight control operation unit 101 of the remote controller 100. In FIG. 6, a first route R1 and a second route R2 are illustrated as examples of the desired route.

[0039] For example, if there is a flight obstacle such as piping or lighting on the path of the first route R1, the tester can select the second route R2 to avoid the flight obstacle, bring the flying robot 1 close to the photoelectric separated sensor 200 to be tested for operation, and position the filter unit 21 at a position where it will be inserted on the path of the optical signal between the light transmitting unit 201 and the light receiving unit 202.

[0040] In order to facilitate remote alignment, it may be possible to make the shape of the neutral density filter attached to the filter section 21 larger than the size of the light receiving section 202 of the photoelectric separated sensor 200 that is the subject of the operational test, within the range of weight allowance.

[0041] <Step 3: Conducting a functional test (or a non-functional test)> By completing step 2, the positioning control of the flying robot 1 is completed so that the filter part 21 is inserted on the path, and the tester can then carry out the operation test or inoperation test shown in FIG.

[0042] Then, the tester can confirm whether or not the above-mentioned operation confirmation condition is satisfied as a result of carrying out the operation test, and whether or not the above-mentioned deactivation confirmation condition is satisfied as a result of carrying out the deactivation test. Therefore, by using the photoelectric separate sensor test device according to the first embodiment, the tester can easily and accurately carry out the operation test in various installation environments.

[0043] As described above, according to embodiment 1, by being provided with the functional configuration shown in FIG. 1, it is possible to realize a photoelectric separated sensor testing device that can easily perform operation tests on photoelectric separated sensors installed at high altitudes in various installation environments. [Explanation of symbols]

[0044] 1 flying robot, 10 robot main body, 11 flying robot control unit, 20 robot mounting unit, 21 filter unit, 100 remote controller, 101 flight control operation unit, 200 photoelectric separation type detector, 201 light transmitting unit, 202 light receiving unit, 300 fire receiver.

Claims

1. A photoelectric separation type sensor test device used for testing the operation of a photoelectric separation type sensor having a light transmitting unit and a light receiving unit, a remote controller that transmits flight control commands generated based on operational inputs by a tester; a flying robot capable of flying based on the flight control command; a filter unit mounted on the flying robot, the filter unit being inserted into a path along which the optical signal projected from the light transmitting unit is received by the light receiving unit, thereby reducing the amount of light received by the light receiving unit; Equipped with The filter unit is replaceable with a neutral density filter having a different neutral density characteristic, The remote controller outputs the flight control command to insert the filter unit mounted on the flying robot onto the path, thereby remotely controlling the operation test. Photoelectric separation sensor test equipment.

2. the filter unit is replaceable between a first light-receiving filter having a light-reducing rate greater than a light-reducing rate corresponding to a preset sensitivity set by the light-receiving unit, and a second light-reducing filter having a light-reducing rate smaller than the light-reducing rate corresponding to the preset sensitivity; The remote controller executes, by remote control, an operation test using the filter unit with the first neutral density filter attached and an inoperation test using the filter unit with the second neutral density filter attached as the operation test, thereby enabling confirmation of whether the set sensitivity of the photoelectric separation sensor is normal or not.

2. The photoelectric separation type sensor testing device according to claim 1.

3. The filter portion has a shape larger than the size of the light receiving portion of the photoelectric separation type sensor that is the subject of the operation test, The remote controller outputs the flight control command to fly the flying robot so that the filter unit having the shape mounted on the flying robot blocks the path in front of the light receiving unit, thereby inserting the filter unit onto the path and executing the operation test by remote control.

3. The photoelectric separation type sensor testing device according to claim 1 or 2.

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