JP6587478B2 - Test system - Google Patents

Description

  The present invention relates to a test system for testing a plurality of sensors using a tester.

Conventionally, multiple fire detectors are installed in one section, and these fire detectors are connected to one receiver so that the occurrence of a fire can be grasped on the receiver side. ing.
And since the said fire detector is requested | required to perform a fire detection stably always by the property, it needs to inspect regularly.
In general, in a test system in which a plurality of fire detectors and testers are connected to one line, each fire detector is individually designated from the tester and a test is performed one by one.
However, specifying each fire detector for testing is cumbersome and the test time is redundant, so communication is performed through the transmission line, and multiple fire detectors are collectively processed. Or the test system which tests in order is proposed (for example, refer patent document 1). Since this test system does not require work for individually specifying a plurality of testers, the test work can be easily and quickly performed.

JP 2000-259974 A

  However, in the above-described conventional test system, when the test is performed sequentially for a plurality of fire detectors, the tester instructs the execution of the test for all the addresses in order, so the test is performed up to an unused address. It waited for the response of the result, and the test of the whole system could not be sufficiently speeded up.

In addition, there are multiple types of fire detectors with different detection targets, such as those that detect smoke and those that detect heat, but in the above test system, different types of fire detectors are used. There were no special considerations when there was a mix.
Furthermore, the tester instructs the same test regardless of the type for each fire detector, performs an unnecessary test depending on the type of the tester, or waits for a response of an unnecessary test result, The test could not be sufficiently accelerated.

  Also, if the tester does not get a response from the fire detector, it may be due to an abnormality in the fire detector, or it may be due to a command for an unused address or a command for an inappropriate type of fire detector. It is difficult to identify whether or not the test results are accurate.

  An object of the present invention is to provide a test system capable of optimizing a test command for a fire detector and speeding up a test.

To solve the above problem,
The present invention receives a fire occurrence notification from a plurality of fire detectors connected to a predetermined transmission path, detecting a fire occurrence through the transmission path and notifying the outside, and the transmission paths through the transmission path. And a test system for instructing execution of tests to the plurality of fire detectors through the transmission line, wherein the plurality of fire detectors individually store device information. A storage unit, the tester requests the device information to the plurality of fire detectors, stores the device information acquired by the request in the acquisition information storage unit, based on the device information A command output unit for deciding whether or not to perform a test on the fire detector is provided.
Furthermore, the tester includes an input operation unit for setting and inputting conditions to be executed for the test, and the command output unit of the tester executes the device information of the fire detector and the input input from the input operation unit. The test is determined to be executed or not executed based on the power condition.

According to the present invention, the tester obtains device information from the fire detector and determines whether or not to perform the test based on the device information. Therefore, a fire detector and a response that do not require a test can be obtained. Avoid performing tests on no fire detectors.
Furthermore, since the device information is used, it is possible to perform an appropriate test based on various types of setting information such as the model, detection method, and installation method of the fire detector.
Furthermore, it becomes possible to perform an appropriate test according to more classifications and methods defined for the fire detector. In addition, since the test is automatically performed by identifying the classification and method determined for the fire detector, it is possible to greatly reduce the burden on the worker in conducting the test.

In the present invention, the device information may include address information unique to each fire detector.
Thereby, execution and non-execution of the test can be managed for the fire detector based on the address, and the test time can be shortened. In addition to performing the test based on the previously acquired device information, it is possible to identify each fire detector more accurately for each fire detector and perform an appropriate test.

Further, according to the present invention, the device information includes device type information of the fire detector, and the command output unit of the tester executes the test according to the device type indicated by the device type information of the fire detector or You may comprise so that non-execution may be determined.
As a result, the fire detectors of the device types that are not subject to the test can be excluded in advance, and the test can be performed more quickly.

Further, according to the present invention, the command output unit of the tester can selectively output an execution command for some or all of the plurality of types of tests, and the device type indicated by the device type information of the fire detector The execution or non-execution of the plurality of types of tests may be determined based on the basis.
As a result, when performing multiple tests, it is possible to automatically select fire detectors of the appropriate device type for each test and perform these multiple tests easily and quickly. Is possible.

Further, according to the present invention, the tester is detachable from the transmission line, the tester includes a release detection unit that detects a release of a connection state with the transmission line, and the command output unit includes The device information of the plurality of fire detectors may be held in the acquired information storage unit until the release of the connection state with the transmission path is detected.
Thereby, once the tester is connected to the transmission line, the device information acquired by the test is held until the connection state is released, and during that time, the process of acquiring the device information many times can be omitted, It becomes possible to further speed up the test.

Moreover, you may comprise this invention so that the instruction | command output part of the said tester may transmit a recovery instruction | command with respect to the fire detector which became the operation state by execution of the said test.
As a result, it is not necessary to perform a stop operation of the fire detector activated by the execution of the test from a receiver different from the tester, and the work load of the test can be reduced.

In the present invention, the device information may include serial number information of each of the fire detectors.
As a result, for example, the production lot can be grasped from the production number, the test result statistics for each production lot can be obtained, and the test result can be effectively used for production management.

Further, the present invention provides a test result storage unit for storing the test results of the respective fire detectors, and a result output unit for outputting the test results stored in the test result storage unit to the outside. It is good also as a structure provided with these.
As a result, the results of the fire detector test can be stored and retrieved externally, so that the test results moved as data can be printed out, printed out, etc. without having to record the test results on the spot during the test. Therefore, it is possible to greatly reduce the test load on the operator.

In the present invention, since the tester requests device information from the fire detector and decides to execute the test based on the acquired device information, the test of the fire detector that does not respond or does not require the test is performed. Execution can be avoided and speeding up of the test can be achieved.
In addition, since the tester obtains device information from the fire detector, a more appropriate test for the fire detector is performed based on various information such as each setting, detector detection method, and installation method included in the device information. It can be executed.

It is a schematic block diagram which shows the test system to which this invention is applied. 1 is a block diagram of a smoke detector in a test system. 1 is a block diagram of a heat sensor in a test system. 1 is a block diagram of a flame detector in a test system. FIG. 3 is a block diagram of a receiver in the test system. It is a block diagram of the test device in a test system. It is an example of a display of the input screen which selects the implementation object of an operation test. It is an example of a display of the input screen which selects the implementation object of a sensitivity test. It is a flowchart of the implementation process (1) of the test by a test device. It is a flowchart which shows the subroutine of the test in the implementation process of a test. It is a flowchart of the implementation process (2) of the test by a test device. It is a flowchart of the implementation process (3) of the test by a test device. It is a display example of the test result screen of the implementation process (3) of the test by the tester.

[Outline of Embodiment]
Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a configuration diagram showing a configuration example of a test system according to the present invention.
As shown in FIG. 1, the test system 100 includes a plurality of fire detectors 10 connected to a transmission path 101, a receiver 40 connected to the transmission path 101, and a tester 20 connected to the transmission path 101. And.
The fire sensor 10 includes types such as a smoke sensor 10A, a heat sensor 10B, and a flame sensor 10C. The test system 100 includes these various sensors. In the following description, when various fire detectors are comprehensively described, they are described as “fire detector 10”, and when they are described separately for each type, as described above, “smoke detectors”. 10A "," heat detector 10B ", and" flame detector 10C ".

[Transmission path]
The transmission line 101 includes a line line L and a common line C which are a pair of wirings. One end of each of the line line L and the common line C is connected to the power supply circuit 45 of the receiver 40, and the other end is connected to the terminator 102. Then, power is supplied from the power supply circuit 45 of the receiver 40, and a potential difference of about 24 V is generated between the line line L and the common line C, for example.

[smoke detector]
FIG. 2 shows an example of a smoke detector used in the test system.
When the smoke detector 10A detects that the light emitted from the light emitting element is scattered by the smoke particles flowing into the smoke detection chamber and the light receiving amount reaches a predetermined level, the fire is detected. It is determined that it has occurred.

In order to realize the above function, the smoke detector 10A includes a light emitting element 11 and a light receiving element 12, an amplifier 13 for amplifying a signal from the light receiving element 12, and a signal (analog signal) amplified by the amplifier 13. ) To a digital signal, and a fire determination circuit 15 that determines the occurrence of a fire based on the output value from the AD conversion circuit 14. In the present embodiment, the light receiving element 12, the amplifier 13, and the AD conversion circuit 14 constitute smoke density detecting means.
The fire determination circuit 15 includes a microprocessor (CPU) and storage means such as a ROM (Read Only Memory) and a RAM (Random Access Memory). In addition, the fire determination circuit 15 includes a nonvolatile memory such as an electrically writable EEPROM or a flash memory separately from the ROM as a storage unit for storing device information to be described later. The nonvolatile memory may store device information in a RAM backed up by a battery.

  In addition, the smoke detector 10A has a pair of terminals 16a and 16b connected to the line line L and the common line C, and a voltage (for example, 24V) applied to the line line L and the common line C. When the occurrence of a fire is detected by the power supply circuit 17 that generates a power supply voltage (3 V or 6 V) to be used internally and supplies it to each internal circuit or the fire determination circuit 15, the line between the line L and the common line C By reducing impedance (including short circuit), connected to a pair of terminals 16a and 16b connected to a short circuit 18 composed of a switch for notifying the receiver 40 of the occurrence of a fire, line L and common C And a transmission / reception circuit 19 for receiving a signal (command) input from the outside to the terminal and transmitting the signal (command) to the fire determination circuit 15 or transmitting internal data to the outside.

By the way, the smoke detector having the above-mentioned configuration is a so-called photoelectric spot type smoke detector, and there are various types of smoke detectors as described later.
The storage unit of the fire determination circuit 15 stores device information specific to the smoke detector 10A. This device information includes “address”, “device type”, “method type”, “installation type”, and “sensitivity type” (see FIG. 13).

The “address” is a number set so that duplication does not occur in the same transmission path in order to individually identify the fire detectors.
The “device type” is a classification based on the detection target of the fire detector. Specifically, it is information indicating whether the fire detector 10 is “smoke detector”, “heat detector”, or “flame detector”.
The “method type” is a classification based on a detection method, and includes a photoelectric method and an ion method.
The “installation type” is a classification based on the sensing area, and there are a spot type that is triggered when smoke is detected at one place and a separated type that is triggered by detection of a wide range of smoke.
The “sensitivity type” is a wide and narrow classification of the smoke density range determined to be a fire, and is classified into, for example, 1 to 3 types according to the sensitivity level.

[Thermal detector]
FIG. 3 shows an example of a heat sensor used in this test system.
The heat detector 10B determines that a fire has occurred when the ambient temperature reaches a certain value or more.
In the heat sensor 10B, the same components as those of the smoke sensor 10A described above are denoted by the same reference numerals and redundant description is omitted.
The heat detector 10B includes a heat sensing element 11B such as a thermistor, an amplifier 13, an AD conversion circuit 14, a fire determination circuit 15, a pair of terminals 16a and 16b, a power supply circuit 17, a short circuit 18 and a transmission / reception circuit 19.

When the system type is a constant temperature type, the fire determination circuit 15 determines the occurrence of a fire based on the output value of the ambient detected temperature from the AD conversion circuit 14. In addition, when the system type is a differential type, a pressure detection element is provided instead of the heat sensing element 11B, and when the pressure in the sealed area inside the heat sensor increases due to the heat of the fire, this is detected by a pressure sensor or the like. A fire determination circuit detects the occurrence of a fire based on an increase in detected pressure.
Further, the heat sensing element 11B is not limited to the thermistor, and for example, a bimetal may be used. When the bimetal is used, the amplifier 13 and the AD conversion circuit 14 are not used, and the fire determination circuit 15 determines the occurrence of a fire based on a change in a current value or a voltage value due to opening / closing of a contact made of the bimetal.

In addition, device information unique to the heat detector 10B is also stored in the storage unit of the fire determination circuit 15 of the heat detector 10B. Although the items of the device information of the heat detector 10B are the same as those of the smoke detector 10A described above, the contents of some items are different, so only that point will be described (see FIG. 13).
As the “installation type” of the heat detector 10B, there are a spot type that reports by detecting heat at one place and a distribution type that reports by detecting heat in a wide range.
The “sensitivity type” of the heat detector 10B is classified into, for example, a special type and 1 to 3 types according to the sensitivity level.

[Flame detector]
The flame detector 10C has two types of detection methods, an infrared type and an ultraviolet type.
In the infrared type, it is determined that a fire has occurred when the detected intensity of infrared light with a predetermined wavelength exceeds a certain value, and for the ultraviolet type, a fire is determined to occur when the detected intensity of ultraviolet light with a predetermined wavelength exceeds a certain value. To do.

FIG. 4 shows the configuration of the flame detector 10C. In the flame detector 10C, the same components as those of the smoke detector 10A described above are denoted by the same reference numerals and redundant description is omitted.
The flame detector 10C includes a photodetection element 11C such as a photoelectric conversion element or a pyroelectric sensor provided with a bandpass filter that transmits infrared light or ultraviolet light (not shown), an amplifier 13, an AD conversion circuit 14, a fire determination circuit 15, and a pair. Terminal 16a, 16b, power supply circuit 17, short circuit 18 and transmission / reception circuit 19.
The fire determination circuit 15 of the flame detector 10C determines the occurrence of a fire based on the output value from the AD conversion circuit 14, as with the smoke detector 10A.

  In addition, device information unique to the flame detector 10C is also stored in the storage unit of the fire determination circuit 15 of the flame detector 10C. Although the item of the device information of the flame detector 10C is the same as that of the smoke detector 10A described above, the “method type” is different from the other fire detectors in that it includes the infrared type and the ultraviolet type described above.

[Receiving machine]
FIG. 5 shows the configuration of the receiver 40. As shown in FIG. 5, the receiver 40 generates a fire from the smoke detector 10 based on a pair of terminals 41a and 41b connected to the line L and the common line C, and the voltage between the terminals 41a and 41b. A fire signal determination circuit 44 for determining whether or not a notification signal has been output, a transmission / reception circuit 42 for transmitting a recovery command signal for urging the fire detector 10 to stop reporting via the terminals 41a and 41b, and a fire In response to a fire alarm signal, a display unit 46 composed of an LCD (liquid crystal panel) or LED lamp for displaying the occurrence and location of occurrence, an acoustic output unit 48 such as a buzzer or a speaker for sounding a fire alarm, and a fire alarm signal A control unit 43 that performs notification processing of the display unit 46 and the sound output unit 48, an input operation unit 47 that executes transmission of a recovery command signal to each fire detector 10, and a commercial AC such as AC100V In response to pressure, and a power supply circuit 45 for generating and supplying the DC power supply voltage necessary for the operation of each component in the receiver 40 (3V and 6V).
Note that the receiver 40 is a so-called P-type receiver, and fire detection and fire occurrence determination are performed on the fire detector 10 side, and the results are received and notified.
The power supply circuit 45 also generates a potential difference of about 10 V to 32 V between the line line L and the common line C, and supplies power to each fire detector 10. The power supply circuit 45 of the receiver 40 has a built-in battery, and when no AC voltage is supplied from the outside, the internal circuit is configured to be operable with a power supply voltage from the battery.

[Tester]
FIG. 6 shows a configuration example of the tester 20 and a connection relationship between the tester 20 and the fire detector 10.
As shown in FIG. 6, the tester 20 has a pair of terminals 21a and 21b connected to the line line L and the common line C, respectively, and a pulse signal (command) to each fire detector 10 through the terminals 21a and 21b. A transmission / reception circuit 22 for transmitting a code) and a calculation control unit 23 as a sensitivity determination means for performing a calculation necessary for a test, control of an internal circuit, and the like. The arithmetic control unit 23 includes a microprocessor (CPU) and storage means such as a ROM (Read Only Memory) and a RAM (Random Access Memory).
In addition, the arithmetic control unit 23 includes an electrically writable EEPROM or a non-volatile memory such as a flash memory separately from the ROM as an acquisition information storage unit. The nonvolatile memory may store device information in a RAM backed up by a battery.
The arithmetic control unit 23 of the tester 20 acquires device information from each fire detector 10 and stores it in the acquired information storage unit. Then, when performing various tests, it is determined whether or not the test is to be performed with reference to the device information stored in the acquired information storage unit. That is, the arithmetic control unit 23 functions as a “command output unit” that determines whether or not to execute a test for each fire detector 10.
Moreover, the calculation control part 23 records the result of the test performed with respect to each fire detector 10 with respect to a non-volatile memory as an acquisition information storage part. That is, the non-volatile memory as the acquired information storage unit also functions as a “test result storage unit”.

The tester 20 is connected to the pair of terminals 21a and 21b, and serves as a fire alarm signal detection means for determining whether or not a fire alarm signal is output from each fire detector 10 based on the voltage between the terminals. A fire signal determination circuit 24, a power supply circuit 25 that receives a commercial AC voltage such as AC100V, generates a DC power supply voltage (3V or 6V) necessary for the operation of the internal circuit, and supplies it to each internal circuit, an arithmetic control unit Display unit 26 as a result output unit, such as an LCD (liquid crystal panel) or an LED lamp, which outputs device information of each fire detector 10 acquired by 23 and a test result executed by the calculation control unit 23, a calculation control unit 23, an input operation unit 27 including operation buttons for inputting commands and setting information, and sound such as a buzzer and a speaker that generate sound by the control of the calculation control unit 23 It includes a radical 19 28.
The acoustic output unit 28 is not essential and may be omitted. The power supply circuit 25 has a built-in battery, and when no AC voltage is supplied from the outside, the internal circuit is configured to be operable with a power supply voltage from the battery.

[Operation test]
The types of tests that the tester 20 performs on each fire detector 10 will be described.
As for the test of the fire detector 10, a sensitivity test and an operation test are mainly performed.
The operation test is a test for confirming whether or not the fire detector 10 can perform a fire alarming operation, and is performed for all the fire detectors 10 regardless of the model type.
In the operation test, the tester 20 transmits, from the transmission / reception circuit 22, the address of the fire detector 10 to be subjected to the operation test and the command of the operation test execution command to the fire detector 10.
On the other hand, when the designated address is its own address, the fire determination circuit 15 of each fire detector 10 performs a notification operation, that is, a short circuit 18 according to the command of the operation test execution command. The line line L and the common line C are short-circuited.
The tester 20 determines whether or not the fire detector 10 has detected a short-circuit state between the line line L and the common line C through the transmission / reception circuit 22 within a specified time from the transmission of the operation test execution command. Judge whether the alarm can be activated.

[Sensitivity test]
The sensitivity test is performed only for the smoke detector 10A, which is likely to change in sensitivity over time after installation due to factors such as dust adhesion.
This sensitivity test is a test for confirming whether or not the fire detector 10A can correctly determine that a fire has occurred within the smoke density setting range set at the beginning of manufacture.

The smoke detector 10A stores, as a smoke detection parameter in the storage unit of the fire determination circuit 15, a maximum value in a range of detected smoke concentration (initial value) in a state where no smoke is generated and a smoke concentration determined to cause a fire. And the minimum value are registered.
In the sensitivity test of the smoke detector 10A, it is necessary to confirm whether or not the change in smoke detection sensitivity caused by aging or external factors is within an allowable range.

  If there is a change in the smoke detection sensitivity, the change appears in the value of the detected smoke density when no smoke is generated. Based on this, the tester 20 sends the smoke detector 10A the address of the smoke detector 10A to be subjected to the sensitivity test, the command of the operation test execution command, and the smoke currently detected by the smoke detector 10A. Give the test value to be added to or subtracted from the concentration value. On the other hand, in the smoke detector 10A subject to the sensitivity test, is the comparison value obtained by adding or subtracting the test value to the currently detected smoke density value within the range of the smoke density determined to cause a fire? If it is within the range, an alarm is issued, so the tester 20 detects the presence / absence of an alarm operation and determines whether the sensitivity of the smoke detector 10A is appropriate.

[Setting of test target]
As described above, the operation test is for the fire detectors 10 of all device types, and the sensitivity test is for only the smoke detector 10A. It is possible to select and set the test target for other types described above.
FIG. 7 is a setting screen of the fire detector 10 to be subjected to the operation test displayed on the display unit 26 of the tester 20, and the fire detector 10 that performs the operation test from the setting screen through the input operation unit 27 is used. Selection can be made for each type or sensitivity type.
Specifically, with respect to the smoke detector 10A and the heat detector 10B, an implementation target can be selected for each sensitivity type, and the flame detector 10C can be selected for each method type.
The selectable types are examples, and are not limited to the method type and the sensitivity type.

FIG. 8 shows a setting screen of the smoke detector 10A to be subjected to a sensitivity test, and an execution target can be selected and set for each sensitivity type through the input operation unit 27 from this setting screen. Note that the setting screen of the smoke detector 10A that is the subject of the sensitivity test uses image data that is common to the setting screen of the fire detector 10 that is the subject of the operation test, and the heat detector 10B and the flame detector 10C. These setting items are also displayed, but these are displayed in a broken line or a light color so that input by the input operation unit 27 cannot be performed.
7 and FIG. 8 are stored in the acquisition information storage unit of the arithmetic control unit 23 of the tester 20 with respect to the setting of the target of various tests shown in the setting screens of FIGS.

[Test execution process using tester (1)]
FIG. 9 shows a flowchart of the execution process (1) of the test of the fire detector 10 by the arithmetic control unit 23 of the tester 20. The various tests of each fire detector 10 in the test system 100 are different from the conventional method in which the fire detector 10 is removed from the installation location and connected to the test device. (The same applies to execution processes (2) and (3) described later).
The tester 20 can perform two types of tests, an operation test and a sensitivity test. In this execution process (1), a process when only one of the operation test and the sensitivity test is performed will be described. .

First, the arithmetic control unit 23 resets the address N of the fire detector 10 to be tested to 0 (step S1), and then increments the address N by one (step S3).
And the request | requirement of apparatus information is performed with respect to the fire detector 10 of the present address (step S5). Specifically, the arithmetic control unit 23 generates an address signal and a device request command signal by using a pulse signal, and transmits them to the transmission path 101 (line line L and common line C) through the transmission / reception circuit 22. On the other hand, each fire detector 10 receives the address signal by the transmission / reception circuit 19 and determines whether or not the fire determination circuit 15 matches its own address, and if it does not match, the device information request command following the address signal. Does not respond to signals. Further, the fire determination circuit 15 of the fire detector 10 having the same address refers to the device information stored in its own storage unit in response to the device request command signal, and “address”, “device type”, “method” Pulse signals of various setting information of “type”, “installation type”, and “sensitivity type” are generated and transmitted to the transmission path 101 through the transmission / reception circuit 19.

The arithmetic control unit 23 of the tester 20 waits for a response from the fire sensor 10 until the specified time elapses after transmitting the address signal and the device information request command signal (step S7).
The fire detector 10 connected to the transmission line 101 of the test system 100 has a function of reporting a fire occurrence to the transmission line 101, but also has a signal communication function through the transmission line 101. There is nothing. The fire detector 10 having no such communication function does not respond even if its assigned address signal is transmitted to the transmission path 101.
In addition, there is a case where some abnormality occurs in the fire detector 10 at the current address and no response is made.
Therefore, when the current address is the address of the fire detector 10 having no communication function, or when the current address is the address of the fire detector 10 in which an abnormality has occurred, the arithmetic control unit 23 sets the specified time for waiting for a response signal. Even after the device has passed, the device information signal cannot be acquired (step S7: NO). In this case, the arithmetic control unit 23 records in the acquired information storage unit that the fire detector 10 at the current address has not received a response, and advances the process to step S13 so that the current address is final. It is determined whether or not the address is Nmax. As a result, if the final address Nmax has been reached (step S13: YES), the execution process (1) ends. If the current address is not the final address Nmax (step S13: NO), the process returns to step S3, the address is counted up, and device information is requested based on the next address.

On the other hand, when a response of the device information signal is obtained from the fire detector 10 at the current address (step S7: YES), the arithmetic control unit 23 stores the acquired device information in the acquired information storage unit. Then, referring to the device information stored in the acquired information storage unit and the setting information on the execution targets of the various tests shown in FIG. 7 or FIG. 8, the test that the fire detector 10 at the current address will perform from now on. It is determined whether it is an implementation target (step S9).
For example, when the test is an operation test, it is an implementation target regardless of the device type, but when the setting information of the implementation target in FIG. 7 exists, the method type or sensitivity type is implemented from the acquired device information. It is also determined whether it falls under the target.
If the test is a sensitivity test, it is determined from the acquired device information whether the device type is a smoke detector. Further, if the setting information of the implementation target of FIG. 8 exists, the acquired device information It is also determined from the information whether the sensitivity type corresponds to the implementation target.

If the fire detector 10 at the current address is the subject of the test (step S9: YES), a test execution command is transmitted to the fire detector 10 to execute the test (step S11). . And after acquiring a test result, processing is advanced to Step S13.
If the fire detector 10 at the current address is not the subject of the test (step S9: NO), the process proceeds to step S13 without executing the test on the fire detector 10.

In step S13, it is determined whether or not the current address is the final address Nmax.
If the current address is not the final address Nmax (step S13: NO), the process returns to step S3, the address is counted up, and the process for the fire detector 10 of the next address is executed.
If the current address is the final address Nmax (step S13: YES), the test has been completed for all the fire detectors 10, and the test execution process (1) is completed. .

FIG. 10 is a flowchart showing the test process in step S11 of FIG.
The arithmetic control unit 23 requests the fire detector 10 at the current address to execute a test (step S111).
For example, when the test is an operation test, the arithmetic control unit 23 transmits an address signal and an operation test command signal to the transmission path 101 through the transmission / reception circuit 22.
On the other hand, if the fire determination circuit 15 of the fire detector 10 at the current address is operating normally, the line line L and the common line C are short-circuited by the short circuit 18 and a fire alarm signal is transmitted. . Also, if the operation is not normal due to some abnormality, the fire alarm signal is not transmitted.

Then, the arithmetic control unit 23 of the tester 20 waits for a response for a certain period (waiting for a fire alarm signal) after transmitting the address signal and the operation test command signal.
As a result, when a fire alarm signal is obtained within a certain period (step S113: YES), the fire detector 10 at the current address or all the fire detectors 10 are stopped from the alarm state. A command signal is transmitted (step S115), and the fire detector 10 at the current address displays on the display unit 26 that the operation test result is normal (step S117).
If the fire alarm signal is not obtained within a certain period (step S113: NO), the fire detector 10 at the current address displays on the display unit 26 that the operation test result is abnormal. (Step S117).

When the test is a sensitivity test, the arithmetic control unit 23 sets a smoke detection parameter request command or a currently detected smoke density value as a test command to the fire detector 10 at the current address. A fire determination request command for the comparison value obtained by adding the test values is transmitted (step S111).
In the case of a sensitivity test, since the test value may be changed a plurality of times, the fire determination request command may be transmitted a plurality of times.

  On the other hand, the fire determination circuit 15 of the fire detector 10 at the current address has a comparison value (a total value of the test value and the currently detected smoke concentration value) of the smoke concentration range that is determined to be a fire occurrence. If this happens, the line L and the common line C are short-circuited by the short circuit 18 and a fire alarm signal is transmitted. In addition, if the comparison value does not fall within the smoke concentration range determined to be a fire, a fire alarm signal is not transmitted.

When the fire alarm signal is obtained (step S113: YES), the arithmetic control unit 23 of the tester 20 transmits a recovery command signal for stopping the alarm state to the fire detector 10 at the current address. (Step S115), it is determined whether the sensitivity test result of the fire detector 10 at the current address is normal or abnormal according to the test value at that time, and the determination result is displayed (Step S117).
When the fire alarm signal is not finally obtained (step S113: NO), the fire detector 10 at the current address displays on the display unit 26 that the sensitivity test result is abnormal ( Step S117).

[Test execution process using tester (2)]
FIG. 11 shows a flowchart of the execution process (2) of the test of the fire detector 10 by the arithmetic control unit 23 of the tester 20.
This execution process (2) is a process when only one of the operation test and the sensitivity test is executed. In addition, in the execution process (1), the device information request and the test are continuously performed for each fire detector 10, but in this execution process (2), all the fire detectors 10 are requested. The difference is that the test is executed on each fire detector 10 after the device information is requested.

The processes from step S21 to S25 in the implementation process (2) are the same as the processes from steps S1 to S5 in the implementation process (1) described above.
That is, the arithmetic control unit 23 resets the address of the fire detector 10 (step S21), counts up by one (step S23), and requests device information from the fire detector 10 of the address. (Step S25).

  Thereafter, the arithmetic control unit 23 waits for a response to the device information request, and if the device information signal cannot be acquired within a predetermined time, the fire detector 10 at the address acquires that no response has been obtained. When the device information signal is obtained by recording in the information storage unit, the acquired device information is stored in the acquired information storage unit (step S27).

Then, the arithmetic control unit 23 determines whether or not the current address is the final address Nmax (step S29). As a result, if the current address does not reach the final address Nmax (step S29: NO), the process returns to step S23, the address is counted up, and device information is requested based on the next address. .
If the final address Nmax has been reached (step S29: YES), the address count is reset (step S31), and the individual fire detectors 10 are tested.

  First, the address is counted up by one (step S33), and the device information of the fire detector 10 of the address and the setting information of the various tests shown in FIG. It is determined whether or not the fire detector 10 is an object to be subjected to a test to be performed (step S35). This determination is the same as the process in step S9 of the execution process (1) described above.

If the fire detector 10 at the current address is the subject of the test (step S35: YES), a test execution command is transmitted to the fire detector 10 to execute the test (step S37). . The test execution process has already been described with reference to FIG. Then, after obtaining the test result, the process proceeds to step S39.
If the fire detector 10 at the current address is not the subject of the test (step S35: NO), the process proceeds to step S39 without executing the test on the fire detector 10.

In step S39, it is determined whether or not the current address is the final address Nmax.
If the current address is not the final address Nmax (step S39: NO), the process returns to step S33, the address is counted up, and the process for the fire detector 10 of the next address is executed.
If the current address is the final address Nmax (step S39: YES), the test has been completed for all the fire detectors 10, and the test execution process (2) ends. .

[Test execution process using tester (3)]
FIG. 12 shows a flowchart of the execution process (3) of the test of the fire detector 10 by the arithmetic control unit 23 of the tester 20.
This execution process (3) is a process when a plurality of types of tests, for example, both an operation test and a sensitivity test are executed. In this execution process (3), similar to the execution process (2) described above, the device information is first requested to all the fire detectors 10, and then the test is executed on each fire detector 10. .

  The processes from step S61 to S69 in the execution process (3) are processes for acquiring device information for each fire detector 10, and are the same as the processes from step S21 to S29 in the execution process (3) described above. Since there is, explanation is omitted.

When the acquisition of the device information of all the fire detectors 10 is completed by the processing of steps S61 to S69, the arithmetic control unit 23 resets the address count (step S71), and then increments by one ( Step S73) First, one test A (for example, a sensitivity test) is performed.
The arithmetic control unit 23 calls the device information of the fire detector 10 at the current address and the setting information of the sensitivity test execution target shown in FIG. 8 described above, and the fire detector 10 at the current address performs the sensitivity test. It is determined whether or not it is a target (step S75). This determination is the same as the process in step S9 of the execution process (1) described above.

When the fire detector 10 at the current address is the subject of the sensitivity test (step S75: YES), a test execution command is transmitted to the fire detector 10 to execute the sensitivity test (step S75). S77). The sensitivity test execution process is as already described with reference to FIG. Then, after obtaining the result of the sensitivity test, the process proceeds to step S79.
If the fire detector 10 at the current address is not the subject of the sensitivity test (step S75: NO), the process proceeds to step S79 without performing the sensitivity test on the fire detector 10. .

In step S79, it is determined whether or not the current address is the final address Nmax.
If the current address is not the final address Nmax (step S79: NO), the process returns to step S73, the address is counted up, and the process for the fire detector 10 of the next address is executed.
If the current address is the final address Nmax (step S79: YES), the sensitivity test has been completed for all the fire detectors 10, so the process proceeds to the next test B (for example, Operation test).

Since the processing of steps S81 to S89, which is the operation test processing, is almost the same as steps S71 to S79 of the sensitivity test processing, it will be described briefly.
The arithmetic control unit 23 resets the address (step S81), counts up by one (step S83), the device information of the fire detector 10 at the current address, and the target of the sensitivity test shown in FIG. The setting information is called to determine whether or not the operation test is to be performed (step S85).
If the fire detector 10 at the current address is the subject of the operation test (step S85: YES), a sensitivity test is performed (step S87), and the test result is acquired.
Further, if the fire detector 10 at the current address is not an operation test target (step S85: NO), the operation test is not performed.
Then, it is determined whether or not the current address is the final address Nmax. If the current address is not the final address Nmax (step S89: NO), the process returns to step S83, and the fire detector 10 of the next address is returned. When the process is executed and the current address is the final address Nmax (step S89: YES), the operation test is completed for all the fire detectors 10, and the test execution process (3) is completed. Become.

FIG. 13 is a display example of device information of each fire detector 10 acquired by the test execution process (3) of FIG. 12 and a test result by a sensitivity test.
As shown in FIG. 13, the fire detector 10 at addresses 2 and 8 does not have a response to a request for device information and does not have a communication function or has an abnormality in the communication function. It is expected that
Moreover, since it is a sensitivity test, it turns out that the fire detector 10 of model classifications other than smoke detector 10A is not tested, and the test result is not obtained. Further, although the smoke detector 10A at address 3 is a smoke detector, no test result has been obtained, so it is expected that it was determined to be abnormal in the sensitivity test.

  In the test execution process (3), the case where two types of tests are executed is illustrated, but three or more tests can also be executed. In that case, after the current address reaches the final address Nmax in the process of step S89, the next test may be newly performed by the same process as steps S81 to S89.

[Technical effects of the embodiment of the invention]
Since the tester 20 of the test system 100 requests device information from the plurality of fire detectors 10 and determines whether or not to execute the test based on the acquired device information, the fire detection subject to the test is detected. The test can be performed on the vessel, and the test can be performed quickly.
In addition, when the device information includes address information, the fire detector can be managed and communicated properly. When the device type information is included, multiple types of tests are performed. In addition, an appropriate test according to the device type can be performed.
In addition, since the restoration command is transmitted from the tester 20, transmission from the receiver 40 is not necessary, and the work load is reduced.
Furthermore, although the tester 20 displays the test result on the display unit 26, it may be output to the outside by an information recording medium or information communication.

[Retention of device information]
The pair of terminals 21a and 21b of the tester 20 may be constituted by a separable plug and socket, respectively, and the plug may be separable from the socket while leaving the socket portion on the transmission path 101 side.
In addition, when the tester 20 is detachable from the transmission line 101 in this way, the arithmetic control unit 23 has already acquired the device until the connection state of the tester 20 to the transmission line 101 is detected. A configuration may be adopted in which data management is performed so that information is held in the acquired information storage unit as it is.
In this case, the fire signal determination circuit 24 can be used as a release detection unit that detects that the tester 20 is disconnected from the transmission path 101 and the connection state is released.
As a result, it is not necessary to request device information for each fire detector 10 each time a test is performed, and the time required for the test can be shortened.
Further, the tester 20 may be provided with a power switch for turning on and off the main power. In that case, when the power switch is disconnected, the tester 20 is released from the connection state with the transmission path 101, so that the release can be detected by the power supply circuit 25, and the arithmetic control unit 23 transmits the tester 20 Until the release of the connection state with respect to the path 101 is detected, a configuration may be adopted in which data management is performed so that already acquired device information is held in the acquired information storage unit as it is.

[Others]
In the test system 100, the receiver 40 and the tester 20 are provided separately. However, the receiver 40 and the tester 20 may be configured integrally.
In that case, the transmitter / receiver circuit, the fire signal determination circuit, the display unit, the input operation unit, the sound output unit, the power supply circuit, etc., which each of the receiver 40 and the tester 20 have, can share one. it can. In addition, either one of the control unit 43 of the receiver 40 and the calculation control unit 23 of the tester 20 can be shared.

Moreover, although the tester 20 of the test system 100 exemplifies a case where two types of tests, that is, an operation test and a sensitivity test are performed as the test of each fire detector 10, the type of the test is not limited to these. More tests may be performed. In addition, a part of more types of tests may be selected and executed.
In addition, although the smoke detector 10A, the heat detector 10B, and the flame detector 10C are illustrated as the fire detector 10, the present invention is not limited thereto, and other device types that can communicate with the test device 20 via the transmission path 101 are illustrated. A fire detector may also be added to the system.

In addition, you may include the information of the manufacturing number of each fire detector 10 in the apparatus information which each fire detector 10 has. As a result, for example, the production lot can be grasped from the production number, the test result statistics for each production lot can be obtained, and the test result can be effectively used for production management.
In this case, the calculation control unit 23 of the tester 20 is connected to an external communication network via a predetermined interface, and other information related to the manufacturing number from the server connected to the communication network, such as a manufacturing lot, etc. It is desirable to be able to acquire management information.

DESCRIPTION OF SYMBOLS 10 Fire detector 10A Smoke detector 10B Heat detector 10C Flame detector 11 Light emitting element 11B Heat detecting element 11C Photodetector 12 Light receiving element 16a, 16b Terminal 20 Tester 21a, 21b Terminal 22 Transmission / reception circuit 23 Operation control part (command) (Output unit, release detection unit)
24 Fire signal determination circuit 26 Display unit 27 Input operation unit 40 Receiver 41a, 41b Terminal 100 Test system 101 Transmission path C Common line L Line line

Claims (8)

A plurality of fire detectors connected to a predetermined transmission line, detecting a fire occurrence through the transmission line and notifying the outside;
A receiver for receiving notification of the occurrence of fire from the plurality of fire detectors through the transmission line;
A test system comprising a tester for instructing execution of a test to the plurality of fire detectors through the transmission line,
The plurality of fire detectors have a storage unit for storing device information individually,
The tester requests the device information from the plurality of fire detectors, stores the device information acquired by the request in an acquisition information storage unit, and performs a test for the fire detector based on the device information. A command output unit for determining execution or non-execution is provided .
The tester includes an input operation unit for setting and inputting conditions to be executed for the test,
The test system is characterized in that the command output unit of the tester determines whether or not to execute the test based on device information of the fire detector and a condition to be executed input from the input operation unit .   2. The test system according to claim 1, wherein the device information includes address information unique to each fire detector. The device information includes device type information of the fire detector,
The test system according to claim 1 or 2, wherein the command output unit of the tester determines whether or not to execute the test according to a device type indicated by device type information of the fire detector.   The command output unit of the tester can selectively output an execution command for a part or all of a plurality of types of tests, and the plurality of types based on the device type indicated by the device type information of the fire detector. 4. The test system according to claim 3, wherein execution or non-execution of the test is determined. The tester is detachable from the transmission line,
The tester includes a release detection unit that detects release of a connection state with the transmission line,
The said command output part hold | maintains the said apparatus information of these fire detectors in the said acquisition information memory | storage part until it detects the cancellation | release of a connection state with the said transmission line. The test system according to any one of the above. The test according to any one of claims 1 to 5 , wherein the command output unit of the tester transmits a recovery command to the fire detector that is activated by the execution of the test. system. The device information, the test system according to any one of claims 1 6, characterized in that it comprises a serial number information of each of the fire detector. The tester stores a test result storage unit that stores a test result of each of the fire detectors,
Test system according to any one of claims 1 to 7, characterized in that it comprises a result output unit for outputting the results of the tests to which the stored in the test result storage unit to the outside.