CN210402683U - Special testing arrangement of aircraft fire alarm sensor - Google Patents
Special testing arrangement of aircraft fire alarm sensor Download PDFInfo
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- CN210402683U CN210402683U CN201921696820.3U CN201921696820U CN210402683U CN 210402683 U CN210402683 U CN 210402683U CN 201921696820 U CN201921696820 U CN 201921696820U CN 210402683 U CN210402683 U CN 210402683U
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Abstract
The utility model relates to a special testing arrangement of aircraft fire sensor, be used for placing the experimental area of fire sensor including setting up on the device body, still include: intelligent control module, furnace and wind channel part, accuse temperature module, its concrete step is as follows: s1; setting parameters; s2; controlling the temperature; s3; collecting electromotive force; s4; collecting time; s5; collecting and recording data; the utility model discloses an all temperature operations are realized by the different interfaces of touch-sensitive screen, and the electromotive force data storage of being tested can be looked over at any time and derive inside the touch-sensitive screen, and the management of being convenient for improves detection efficiency, and the touch-sensitive screen has a plurality of interfaces and supplies the user to select different functions, and testing arrangement has improved the measuring accuracy, has reduced the error that manual detection produced, simultaneously, sparingly detects man-hour, has improved work efficiency.
Description
Technical Field
The utility model relates to a detect the frock, specifically a special testing arrangement of aircraft fire alarm sensor.
Background
The fire alarm sensor of installation multiple model on the aircraft, its testing arrangement originally improves the development according to the russian design drawing, the device structure is similar with well formula stove structure, by the furnace body, heating element, furnace and wind channel part, temperature control system etc. constitute, the furnace body shell welds into cylindricly with steel, interior well formula furnace of building by laying bricks or stones with resistant firebrick, air compressor provides the air supply and introduces furnace from the furnace body bottom and forms the hot gas flow field, the bell trompil is put into the fire alarm sensor of being tested, the manual test parameter of gathering, the hot gas flow is discharged outside the furnace body from the bell trompil department simultaneously. The device exposes the design defect after putting into production and using: the air compressor has high noise, the furnace temperature is out of control, the electric furnace wire is easy to be blown, the working efficiency of manually collecting and testing parameters is low, and the like.
Fire alarm sensor theory of operation: the sensor structure is shown in figure 1, wherein the reference numeral 1 is a cold end of a temperature battery, the reference numeral 2 is a sensor wiring terminal, the reference numeral 3 is a wire joint, the reference numeral 4 is a sensor shell, the reference numeral 5 is a temperature difference battery shell, the reference numeral 6 is a temperature difference battery insulating bush, and the reference numeral 7 is a sensor temperature difference battery. According to the change of the hot airflow field of different temperature areas of the aircraft engine cabin, the fire alarm sensor detects the change of temperature and airflow, when the temperature reaches a certain value, the thermal electromotive force of the sensor reaches a certain value, and the output voltage signal of the sensor is amplified by the fire alarm control box to drive the execution component to output an alarm signal. The parameters in the whole working process comprise: sensor internal resistance, thermal electromotive force, temperature, hot gas flow rate, and the like. The fire sensor testing device truly simulates the change of the hot air flow field of different temperature areas of the aircraft engine cabin and detects the performance index of the fire sensor.
Disclosure of Invention
In order to solve the problem, the utility model provides a special testing arrangement of aircraft fire alarm sensor.
The utility model provides a special testing arrangement of aircraft fire sensor, is used for placing the test area of fire sensor including setting up on the device body, still includes:
the intelligent control module is arranged in the device body and used for intelligently managing the type, the number and the electromotive force of the fire alarm sensor and storing data;
the hearth and air duct part is arranged in the device body and is positioned below the test area, and is used for providing a stable and reliable test environment for the test of the fire sensor;
and the temperature control module is arranged in the device body and is positioned below the hearth and the air channel part, and is used for realizing the test of the fire alarm sensor.
The intelligent control module comprises a touch screen, a digital millivoltmeter and a timer, wherein the touch screen is arranged on the device body and internally comprises a PLC, the digital millivoltmeter is matched with the touch screen and has a communication function, and the timer is used for timing.
The timer is a digital display counter.
The inside of the hearth and the air duct part is made of stainless steel materials, a closed heat-insulating layer is designed outside, and nano 950 heat-insulating materials are filled inside.
The temperature control module comprises a high-temperature heating device for heating, an intelligent temperature control system with a communication function, a high-temperature resistant centrifugal fan used as a power source for air channel circulation of the hearth and the air channel part, and a water cooling device used for heat dissipation of a connecting shaft of the high-temperature resistant centrifugal fan.
The high-temperature heating device adopts a novel fin heater with high heat dissipation efficiency and safe use, and the power of the novel fin heater is 10 KW.
The intelligent temperature control system is a temperature sensor.
The water cooling device adopts internal circulating water for ensuring the long-term normal operation of the motor and the bearing to cool.
The utility model has the advantages that: the utility model discloses an all temperature operations are realized by the different interfaces of touch-sensitive screen, and the electromotive force data storage of being tested can be looked over at any time and derive inside the touch-sensitive screen, and the management of being convenient for improves detection efficiency, and the touch-sensitive screen has a plurality of interfaces and supplies the user to select different functions, and testing arrangement has improved the measuring accuracy, has reduced the error that manual detection produced, simultaneously, sparingly detects man-hour, has improved work efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a fire sensor of the present invention;
FIG. 2 is a schematic view of the connection relationship between the intelligent control module and the temperature control module according to the present invention;
fig. 3 is a schematic view of the structure of the present invention.
Detailed Description
In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, and the utility model is further explained below.
As shown in fig. 1 to 3, a special testing device for an aircraft fire sensor comprises a test area 6 arranged on a device body and used for placing the fire sensor, and further comprises:
the intelligent control module is arranged in the device body and used for intelligently managing the type, the number and the electromotive force of the fire alarm sensor and storing data;
the hearth and air channel part 4 is arranged in the device body and is positioned below the test area 6 and used for providing a stable and reliable test environment for the test of the fire sensor;
and the temperature control module is arranged in the device body and is positioned below the hearth and the air channel part 4 and used for realizing the test of the fire alarm sensor.
The thermoelectric cell shell of the fire alarm sensor to be tested is arranged in a test area 6 of the test device, and a tested signal is detected by a terminal of the fire alarm sensor.
The intelligent control module comprises a touch screen 1 which is arranged on the device body and internally comprises a PLC, a digital millivoltmeter 2 which is matched with the touch screen 1 and has a communication function, and a timer 3 which is used for timing.
The timer 3 is a digital display counter.
Carry out communication through intelligent control module and accuse temperature module and exchange, through this field special test software to the pipeline temperature, the electromotive force numerical value of the fire alarm sensor of being surveyed is gathered, constitute closed loop automatic control system, all temperature operation is realized by the different interfaces of touch-sensitive screen 1, the electromotive force data of being tested designs according to the detection rule of product, and store in the inside of touch-sensitive screen 1 automatically, can look over at any time and derive, the management of being convenient for, improve detection efficiency, touch-sensitive screen 1 has a plurality of interfaces and supplies the different functions of user selection, testing arrangement has realized intelligent operation completely, the test accuracy has been improved, the error that manual detection produced has been reduced, and simultaneously, save detection man-hour, and the work efficiency is improved.
The inside of the hearth and the air duct part 4 is made of stainless steel materials, a closed heat-insulating layer is designed outside, nano 950 heat-insulating materials are filled inside, only the flange plates of the air inlet and the air outlet are exposed, heat loss is greatly reduced, and working efficiency is improved.
The temperature control module comprises a high-temperature heating device 5 for heating, an intelligent temperature control system 7 with a communication function, a high-temperature resistant centrifugal fan 9 serving as a power source of air channel circulation of the hearth and air channel part 4, and a water cooling device 8 for heat dissipation of a connecting shaft of the high-temperature resistant centrifugal fan 9.
The high-temperature heating device 5 adopts a novel fin heater with high heat dissipation efficiency and safe use, and the power of the novel fin heater is 10 KW.
The high-temperature resistant centrifugal fan 9 is integrally made of stainless steel materials and is suitable for long-term use in the environment of 400 ℃.
The intelligent temperature control system 7 is a temperature sensor, adopts a high temperature resistant 400 ℃ structure, is arranged in the air channel of the hearth and the air channel part 4, ensures the accuracy of temperature testing, adopts a detachable structure with the precision of A level, and is convenient for regular verification.
The intelligent temperature control system 7 has a PID self-tuning function, and is high in temperature control precision and convenient to use.
The intelligent temperature control system 7 is provided with a computer communication interface for intelligent management, all control elements are designed in a contactless manner, the reliability of the testing device is improved, and the automatic control of the temperature is realized.
The timer 3 and the digital millivoltmeter 2 are digital display instruments, so that the testing precision is improved, and all the instruments have the functions of computer communication interfaces, and are convenient to exchange and store data with the touch screen 1 and the PLC.
The software design of the testing device is divided into human-computer interface software and each sensor control software, and the testing device is field-specific testing software and realizes the operation and display functions on the touch screen 1 and the control of a servo mechanism; the man-machine interface software aims at simple operation and concise display, realizes the test function of various tested fire sensors, and starts corresponding control software through interface operation to realize automatic and manual test of the fire sensors.
The water cooling device 8 adopts internal circulating water for ensuring the long-term normal operation of the motor and the bearing to cool.
Reference numeral 1a of fig. 2 is a PLC, reference numeral a is temperature acquisition, and reference numeral b is a control signal.
A test method of a special test device for an aircraft fire alarm sensor comprises the following specific steps:
s1: setting parameters: the tested device body is provided with a stable circulating air channel with the air speed of 3-4 m/s and the temperature of 300 ℃, different protection temperatures and protection air speeds are set according to different fire alarm sensors to be tested during testing, and the safe and reliable work of the system is guaranteed;
s2: temperature control: in the circulating air duct of the hearth and the air duct part 4 at 300 ℃, an intelligent temperature control system 7 is adopted to control the temperature of the air duct;
s3: collecting electromotive force: acquiring electromotive force generated at the terminal of a wiring post of the fire alarm sensor by adopting a digital millivoltmeter 2;
s4: collecting time: timing the test time by using a timer 3;
s5: collecting data and recording: adopt touch-sensitive screen 1 and PLC intelligent data acquisition:
a: carrying out intelligent management and data storage on the model, the number and the electromotive force of the fire alarm sensor to be detected according to the type of the sensor to be detected;
b: the testing of the multi-model fire alarm sensors is completed by selecting and controlling the keys on the touch screen 1, and the testing results of various working parameters of the fire alarm sensors to be tested are displayed on the touch screen on the same screen, so that the testing device is visual and simple.
The intelligent temperature control system 7 of the step S2 is provided with an automatic protection function, when the temperature exceeds the protection setting value during the test, the test device automatically stops working, and meanwhile, the temperature alarm indicator lamp on the device body is turned on, and the operation interface automatically changes the abnormal protection area into red display; when the device works normally, the driver on the device body indicates that the green lamp is normally on, and when the device gives an alarm at high temperature, the alarm on the device body indicates that the green lamp can be turned off to prompt for alarm.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a special testing arrangement of aircraft fire sensor, is used for placing test area (6) of fire sensor including setting up on the device body, its characterized in that: further comprising:
the intelligent control module is arranged in the device body and used for intelligently managing the type, the number and the electromotive force of the fire alarm sensor and storing data;
the hearth and air channel part (4) is arranged in the device body and is positioned below the test area (6) and used for providing a stable and reliable test environment for the test of the fire sensor;
and the temperature control module is arranged in the device body and is positioned below the hearth and the air channel part (4) and used for realizing the test of the fire alarm sensor.
2. The special test device for the fire alarm sensor of the airplane as claimed in claim 1, wherein: the intelligent control module comprises a touch screen (1) which is arranged on the device body and internally comprises a PLC, a digital millivoltmeter (2) which is matched with the touch screen (1) and has a communication function, and a timer (3) which is used for timing.
3. The special test device for the fire alarm sensor of the airplane as claimed in claim 2, wherein: the timer (3) is a digital display counter.
4. The special test device for the fire alarm sensor of the airplane as claimed in claim 1, wherein: the hearth and the air duct part (4) are made of stainless steel materials, a closed heat-insulating layer is designed outside, and nano 950 heat-insulating materials are filled inside.
5. The special test device for the fire alarm sensor of the airplane as claimed in claim 1, wherein: the temperature control module comprises a high-temperature heating device (5) for heating, an intelligent temperature control system (7) with a communication function, a high-temperature resistant centrifugal fan (9) serving as a power source of an air channel circulation of the hearth and the air channel part (4), and a water cooling device (8) used for heat dissipation of a connecting shaft of the high-temperature resistant centrifugal fan (9).
6. The special test device for the fire alarm sensor of the airplane as claimed in claim 5, wherein: the high-temperature heating device (5) adopts a novel fin heater with high heat dissipation efficiency and safe use, and the power of the novel fin heater is 10 KW.
7. The special test device for the fire alarm sensor of the airplane as claimed in claim 5, wherein: the intelligent temperature control system (7) is a temperature sensor.
8. The special test device for the fire alarm sensor of the airplane as claimed in claim 5, wherein: and the water cooling device (8) adopts internal circulating water for ensuring the long-term normal operation of the motor and the bearing to cool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696820.3U CN210402683U (en) | 2019-10-11 | 2019-10-11 | Special testing arrangement of aircraft fire alarm sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696820.3U CN210402683U (en) | 2019-10-11 | 2019-10-11 | Special testing arrangement of aircraft fire alarm sensor |
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| CN210402683U true CN210402683U (en) | 2020-04-24 |
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| CN201921696820.3U Active CN210402683U (en) | 2019-10-11 | 2019-10-11 | Special testing arrangement of aircraft fire alarm sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998971A (en) * | 2020-09-17 | 2020-11-27 | 合肥源泓蓁信息技术有限公司 | Device and method for measuring temperature of motor stator winding |
-
2019
- 2019-10-11 CN CN201921696820.3U patent/CN210402683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998971A (en) * | 2020-09-17 | 2020-11-27 | 合肥源泓蓁信息技术有限公司 | Device and method for measuring temperature of motor stator winding |
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