CN117471209A - Aircraft fire alarm signal conversion equipment test equipment - Google Patents
Aircraft fire alarm signal conversion equipment test equipment Download PDFInfo
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- CN117471209A CN117471209A CN202311425118.4A CN202311425118A CN117471209A CN 117471209 A CN117471209 A CN 117471209A CN 202311425118 A CN202311425118 A CN 202311425118A CN 117471209 A CN117471209 A CN 117471209A
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- 238000012360 testing method Methods 0.000 title claims abstract description 113
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 67
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000011056 performance test Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/008—Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses test equipment for an aircraft fire alarm signal conversion device, and belongs to the technical field of aviation repair test. According to the hardware composition of the fire alarm signal conversion device, the control relation and the working characteristics among all the components, the working principle and the conditions required by detecting the performance indexes are analyzed, and the relevant analog input and output signal circuits are adopted, so that the fire alarm signal conversion device testing equipment is developed, the rapid off-site detection of all the performance indexes of the fire alarm signal conversion device can be realized, the use is convenient, the accuracy is higher, the requirements of repairing and detecting an internal field and maintaining an external field are met, the repairing quality of a product is ensured, and the production cost is saved.
Description
Technical Field
The invention provides test equipment of an aircraft fire alarm signal conversion device, and belongs to the technical field of aviation repair test.
Background
After the fire alarm signal conversion device is repaired, all performance indexes of the fire alarm signal conversion device are detected and verified, and the fire alarm signal conversion device can be installed for use after being verified to be qualified. The special detection equipment for the fire alarm signal conversion device does not exist at present, and whether the performance of the product meets the product specification or the technical standard requirement of repair cannot be detected after the product is repaired, so that the aims of judging whether the performance index of the repaired accessory meets the technical requirement and realizing the rated function of the accessory are fulfilled. Therefore, a fire alarm signal conversion device test device needs to be developed, so that the detection of various performance indexes of the fire alarm signal conversion device is realized, and the requirements of in-situ repair, detection and out-of-situ maintenance are met.
In view of the above, the invention provides a test device for an aircraft fire alarm signal conversion device.
Disclosure of Invention
In order to solve the problems, the invention provides test equipment of an aircraft fire alarm signal conversion device. According to the hardware composition of the fire alarm signal conversion device, the control relation and the working characteristics among all the components, the invention analyzes the working principle and the conditions required by realizing the detection of the performance indexes of the fire alarm signal conversion device, adopts related analog input and output signal circuits, develops the test equipment of the fire alarm signal conversion device, not only can realize the detection of all the performance indexes of the fire alarm signal conversion device, but also has a metering calibration interface, can calibrate the test equipment of the fire alarm signal conversion device regularly, ensures the measured indexes to be accurate, meets the requirements of internal field repair, detection and external field maintenance, ensures the repair quality of products and saves the production cost.
The technical scheme of the invention is as follows:
the test equipment for the fire alarm signal conversion device of the aircraft comprises a direct current signal source, a panel, a shell and a special test cable; the peripheral equipment is a measured machine part.
The direct current signal source is an integrated signal conversion module, 220V alternating current is input through a switch K3, and (30+/-1) mV direct current is output through signal conversion in the module and used for simulating sensor signals and fire alarm signals, so that input signals are provided for performance test of a tested piece.
All the test circuits are built on the panel, and the test circuits comprise a power supply circuit, an analog sensor signal checking circuit, an Eaglan checking circuit, a power supply input test circuit, a left alarm conversion alarm-preparing circuit, a right alarm conversion alarm-preparing circuit and a cable connection socket.
The power supply circuit is used for providing 220V alternating current to the direct current signal source, providing 27V direct current to the Eaglan inspection circuit, the power supply input test circuit, the left alarm conversion alarm preparation circuit and the right alarm conversion alarm preparation circuit, and controlling the test equipment to work through the power switch; the power supply consists of a power switch K3, a direct-current stabilized power supply, a voltage adjusting knob, a direct-current voltmeter V1, a fuse and an indicator lamp D1. The direct-current stabilized power supply is an integrated power supply module, 220V alternating current is input through a power switch K3, 27V direct current is output through signal conversion in the module, and a working power supply is provided for test equipment.
The analog sensor signal checking circuit is used for providing 6 paths of analog sensor signals on the left and right sides respectively, and is used as signal input of a test piece to check the working performance of the test piece. The circuit consists of an adjusting knob, a left sensor input switch K1, a right sensor input switch K2, direct-current voltmeters (V3 and V4) and sockets (C1 and C2). The signal output by the direct current signal source is regulated to (30+/-1) mV through the regulating knob and displayed by the direct current voltmeter V3, the signal is respectively input into the sockets C1 and C2 through the left sensor input switch and the right sensor input switch, then is transmitted into the test piece through the sockets C1 and C2, and the test piece is converted into an internal signal and is fed back through the socket C2 to be displayed on the direct current voltmeter V4.
The Icelan checking circuit is used for checking the Icelan checking function of the test piece. The circuit consists of a switch K4, a delay relay J1 and a signal lamp. The 27V direct current enters a socket C3 (6, 25, 36, 31 contact pins), a delay relay J1, a signal lamp D6 and a signal lamp D7 through a switch K4, the signal lamps D6 and D7 are lighted, wherein signals of the socket C3 (6, 25, 36, 31 contact pins) enter a test piece, and are fed back from the socket C3 (5, 15, 20, 30, 37 contact pins) through internal conversion of the test piece, so that the signal lamp is driven to be lighted to display the working state.
The power input test circuit is used for detecting whether 27V direct current enters the test equipment or not, and ensuring that the test equipment is powered normally. The circuit consists of a switch K5, a socket C3 and a signal lamp. The 27V direct current enters the socket C3 (7, 9, 24, 35 and 17 pins) through the switch K5, the signal enters the test piece, and the signal is fed back from the socket C3 (4, 14 and 29 pins) after internal conversion of the test piece, so that the signal lamp is driven to light up to display the working state of the signal lamp.
The left alarm conversion standby alarm circuit is used for checking the working state when the left test piece is in fault and converting to the standby test piece. The circuit consists of a switch K6, a socket C3 and a signal lamp. 27V direct current enters a socket C3 (2, 3, 12 and 13 pins), a relay J3 and a signal lamp D9 through a switch K6, and the signal lamp D9 is lighted; after the relay J3 works, the signal lamp D8 is lighted. The signals entering from the sockets C3 (2, 3, 12, 13 and the pins) enter the test piece, are internally converted by the test piece, and are fed back from the sockets C3 (18, 21, 22 and 23 pins) to drive the signal lamp to light up to display the working state of the signal lamp.
The right alarm conversion standby alarm circuit is used for checking the working state of the standby test piece when the right test piece fails. The circuit consists of a switch K7, a socket C3 and a signal lamp. 27V direct current enters a socket C3 (12, 13, 27 and 28 pins), a relay J2 and a signal lamp D4 through a switch K7, and the signal lamp D4 is lighted; after the relay J2 works, the signal lamp D3 is lighted. The signals entering from the sockets C3 (12, 13, 27 and 28 pins) enter the test piece, and are fed back from the sockets C3 (26, 32, 33 and 34 pins) after internal conversion of the test piece, so that the signal lamp is driven to light up to display the working state of the signal lamp.
The special test cables comprise three special test cables, and the special test cables have the function of correspondingly connecting tested parts with special sockets of C1, C2 and C3 of the test equipment one by one during testing.
The shell is an integrated chassis, and the inside of the shell is integrated with a power supply module, a signal display module and a control module.
The invention has the beneficial effects that: the invention realizes the rapid off-site detection of various performance indexes of the fire alarm signal conversion device by simulating the working state of a test piece and adopting related analog input and output signal circuits, has convenient use, higher accuracy, advanced level of the overall technology in the same field, obvious effect, meets the requirements of in-situ repair, detection and out-of-situ maintenance, ensures the repair quality of products and has wide application prospect.
Drawings
Fig. 1 is a functional block diagram.
Fig. 2 is a schematic diagram of a circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention provides an aircraft fire alarm signal conversion device testing device, which comprises a direct current signal source, a panel and a shell; the peripheral equipment is a measured machine part.
The shell is made of aluminum materials and is a standard 6U case, the inside of the shell is integrated with a direct current signal source and a panel, and the shell is a handheld terminal.
The direct current signal source is an integrated signal conversion module, 220V alternating current is input through a switch K3, and (30+/-1) mV direct current is output through signal conversion in the module and used for simulating sensor signals and fire alarm signals, so that input signals are provided for detecting performance test of a tested piece.
All the test circuits are built on the panel, and the test circuits comprise a power supply circuit, an analog sensor signal checking circuit, an Eaglan checking circuit, a power supply input test circuit, a left alarm conversion alarm-preparing circuit, a right alarm conversion alarm-preparing circuit and a cable connection socket. All signals are processed and transmitted through the panel.
The power supply circuit is used for providing 220V alternating current to the direct current signal source, providing 27V direct current to the Eaglan inspection circuit, the power supply input test circuit, the left alarm conversion alarm preparation circuit and the right alarm conversion alarm preparation circuit, and controlling the test equipment to work through the power switch; the power supply consists of a power switch K3, a direct-current stabilized power supply, a voltage adjusting knob, a direct-current voltmeter V1, a fuse and an indicator lamp D1. The direct-current stabilized power supply is an integrated power supply module, 220V alternating current is input through a power switch K3, 27V direct current is output through signal conversion in the module, and a working power supply is provided for test equipment.
The analog sensor signal checking circuit is used for providing 6 paths of analog sensor signals on the left and right sides respectively, and is used as signal input of a test piece to check the working performance of the test piece. The circuit consists of an adjusting knob, a left sensor input switch K1, a right sensor input switch K2, direct-current voltmeters (V3 and V4) and sockets (C1 and C2). The signal output by the direct current signal source is regulated to (30+/-1) mV (the value is displayed by the direct current voltmeter V3) through the regulating knob, the signal is respectively input into the sockets C1 and C2 through the left sensor input switch and the right sensor input switch, then is transmitted into the test piece through the sockets C1 and C2, and the test piece is converted into an internal signal and is fed back through the socket C2 to be displayed on the direct current voltmeter V4.
The Icelan checking circuit is used for checking the Icelan checking function of the test piece. The circuit consists of a switch K4, a delay relay J1 and a signal lamp. The 27V direct current enters a socket C3 (6, 25, 36, 31 contact pins), a delay relay J1, a signal lamp D6 and a signal lamp D7 through a switch K4, the signal lamps D6 and D7 are lighted, wherein signals of the socket C3 (6, 25, 36, 31 contact pins) enter a test piece, and are fed back from the socket C3 (5, 15, 20, 30, 37 contact pins) through internal conversion of the test piece, so that the signal lamp is driven to be lighted to display the working state.
The power input test circuit is used for detecting whether 27V direct current enters the test equipment or not, and ensuring that the test equipment is powered normally. The circuit consists of a switch K5, a socket C3 and a signal lamp. The 27V direct current enters the socket C3 (7, 9, 24, 35 and 17 pins) through the switch K5, the signal enters the test piece, and the signal is fed back from the socket C3 (4, 14 and 29 pins) after internal conversion of the test piece, so that the signal lamp is driven to light up to display the working state of the signal lamp.
The left alarm conversion standby alarm circuit is used for checking the working state when the left test piece is in fault and converting to the standby test piece. The circuit consists of a switch K6, a socket C3 and a signal lamp. 27V direct current enters a socket C3 (2, 3, 12 and 13 pins), a relay J3 and a signal lamp D9 through a switch K6, and the signal lamp D9 is lighted; after the relay J3 works, the signal lamp D8 is lighted. The signals entering from the sockets C3 (2, 3, 12, 13 and the pins) enter the test piece, are internally converted by the test piece, and are fed back from the sockets C3 (18, 21, 22 and 23 pins) to drive the signal lamp to light up to display the working state of the signal lamp.
The right alarm conversion standby alarm circuit is used for checking the working state of the standby test piece when the right test piece fails. The circuit consists of a switch K7, a socket C3 and a signal lamp. 27V direct current enters a socket C3 (12, 13, 27 and 28 pins), a relay J2 and a signal lamp D4 through a switch K7, and the signal lamp D4 is lighted; after the relay J2 works, the signal lamp D3 is lighted. The signals entering from the sockets C3 (12, 13, 27 and 28 pins) enter the test piece, and are fed back from the sockets C3 (26, 32, 33 and 34 pins) after internal conversion of the test piece, so that the signal lamp is driven to light up to display the working state of the signal lamp.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The test equipment for the fire alarm signal conversion device of the aircraft is characterized by comprising a direct current signal source, a panel, a shell and a special test cable;
the direct current signal source is an integrated signal conversion module, 220V alternating current is input through a switch K3, 30+/-1 mV direct current is output through signal conversion in the module, and the direct current signal source is used for simulating sensor signals and fire alarm signals and providing input signals for performance test of a tested piece;
all test circuits are built on the panel, and each test circuit comprises a power supply circuit, an analog sensor signal checking circuit, an Eaglan checking circuit, a power supply input test circuit, a left alarm conversion alarm-preparing circuit, a right alarm conversion alarm-preparing circuit and a cable connection socket;
the power supply circuit is used for providing 220V alternating current to the direct current signal source, providing 27V direct current to the Eaglan inspection circuit, the power supply input test circuit, the left alarm conversion alarm preparation circuit and the right alarm conversion alarm preparation circuit, and controlling the test equipment to work through the power switch;
the analog sensor signal checking circuit is used for providing 6 paths of analog sensor signals on the left and right sides respectively, and is used for inputting signals of a test piece to check the working performance of the test piece;
the Icelan checking circuit is used for checking the Icelan checking function of the test piece;
the power input test circuit is used for detecting whether 27V direct current enters the test equipment or not, so that the test equipment is ensured to be powered normally;
the left alarm conversion standby alarm circuit is used for checking the working state of the standby test piece when the left test piece fails;
the right alarm conversion standby alarm circuit is used for checking the working state of the standby test piece when the right test piece fails;
the special test cables comprise three special test cables, and the special test cables have the functions of correspondingly connecting tested parts with C1, C2 and C3 special sockets of the test equipment one by one during testing;
the shell is an integrated chassis, and the inside of the shell is integrated with a direct current signal source and a panel.
2. The test device for the fire alarm signal conversion device of the airplane according to claim 1, wherein the power supply circuit is composed of a power switch K3, a direct-current stabilized power supply, a voltage adjusting knob, a direct-current voltmeter V1, a fuse and an indicator light D1; the direct-current stabilized power supply is an integrated power supply module, 220V alternating current is input through a power switch K3, 27V direct current is output through signal conversion in the module, and a working power supply is provided for test equipment.
3. The aircraft fire alarm signal conversion device testing apparatus according to claim 1, wherein the analog sensor signal checking circuit is composed of an adjusting knob, a left sensor input switch K1, a right sensor input switch K2, direct current voltmeters V3, V4 and sockets C1, C2; the signal output by the direct current signal source is regulated to 30+/-1 mV through the regulating knob and displayed through the direct current voltmeter V3, the signal is respectively input into the sockets C1 and C2 through the left sensor input switch and the right sensor input switch, then is transmitted into the test piece through the sockets C1 and C2, and the test piece is subjected to internal signal conversion and is fed back through the socket C2 to be displayed on the direct current voltmeter V4.
4. The aircraft fire alarm signal conversion device testing apparatus according to claim 1, wherein the ekalan's checking circuit is composed of a switch K4, a delay relay J1 and a signal lamp; the 27V direct current enters the pins 6, 25, 36 and 31 of the socket C3, the delay relay J1, the signal lamp D6 and the signal lamp D7 through the switch K4, the signal lamps D6 and D7 are lighted, wherein the signals of the pins 6, 25, 36 and 31 of the socket C3 enter the test piece, are internally converted through the test piece, and are fed back from the pins 5, 15, 20, 30 and 37 of the socket C3, so that the signal lamp is driven to be lighted to display the working state.
5. The aircraft fire alarm signal conversion device testing apparatus according to claim 1, wherein the power input test circuit is composed of a switch K5, a socket C3 and a signal lamp; the 27V direct current enters pins 7, 9, 24, 35 and 17 of the socket C3 through the switch K5, the signal enters a test piece, and the signal is fed back from pins 4, 14 and 29 of the socket C3 after internal conversion of the test piece, so that the signal lamp is driven to light up to display the working state of the signal lamp.
6. The aircraft fire alarm signal conversion device testing equipment according to claim 1, wherein the left alarm conversion standby alarm circuit consists of a switch K6, a socket C3 and a signal lamp; the 27V direct current enters the pins 2, 3, 12 and 13 of the socket C3, the relay J3 and the signal lamp D9 through the switch K6, and the signal lamp D9 is lighted; after the relay J3 works, the signal lamp D8 is lighted; signals entering from the pins 2, 3, 12 and 13 of the socket C3 enter the test piece, are internally converted by the test piece, and are fed back from the pins 18, 21, 22 and 23 of the socket C3 to drive the signal lamp to light up to display the working state of the signal lamp.
7. The aircraft fire alarm signal conversion device testing equipment according to claim 1, wherein the right alarm conversion standby alarm circuit consists of a switch K7, a socket C3 and a signal lamp; the 27V direct current enters the pins 12, 13, 27 and 28 of the socket C3, the relay J2 and the signal lamp D4 through the switch K7, and the signal lamp D4 is lighted; after the relay J2 works, the signal lamp D3 is lighted; signals entering from pins 12, 13, 27 and 28 of the socket C3 enter the test piece, are internally converted by the test piece, and are fed back from pins 26, 32, 33 and 34 of the socket C3 to drive the signal lamp to light up to display the working state of the signal lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311425118.4A CN117471209A (en) | 2023-10-31 | 2023-10-31 | Aircraft fire alarm signal conversion equipment test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311425118.4A CN117471209A (en) | 2023-10-31 | 2023-10-31 | Aircraft fire alarm signal conversion equipment test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117471209A true CN117471209A (en) | 2024-01-30 |
Family
ID=89625050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311425118.4A Pending CN117471209A (en) | 2023-10-31 | 2023-10-31 | Aircraft fire alarm signal conversion equipment test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117471209A (en) |
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2023
- 2023-10-31 CN CN202311425118.4A patent/CN117471209A/en active Pending
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