CN112173166A - Tail-rotor deicing distributor testing device - Google Patents
Tail-rotor deicing distributor testing device Download PDFInfo
- Publication number
- CN112173166A CN112173166A CN202010994095.9A CN202010994095A CN112173166A CN 112173166 A CN112173166 A CN 112173166A CN 202010994095 A CN202010994095 A CN 202010994095A CN 112173166 A CN112173166 A CN 112173166A
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- measuring
- unit
- constant current
- circuit unit
- tail rotor
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 230000003993 interaction Effects 0.000 claims abstract description 15
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims 2
- 238000011105 stabilization Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000011065 in-situ storage Methods 0.000 abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 206010000372 Accident at work Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
Abstract
The invention discloses a tail rotor deicing distributor testing device, and relates to the field of helicopter tail rotor deicing tests. The tail rotor deicing distributor testing device comprises a portable box body, wherein a power supply circuit unit, a main control circuit unit, a measuring and collecting unit, a constant current source circuit unit and a temperature measuring unit are integrated in the portable box body; the main control circuit unit comprises a single chip microcomputer, a data interaction module and a display driving module, and the data acquisition unit, the constant current source circuit unit and the temperature measurement unit are electrically connected with the data interaction module of the main control circuit unit. The measuring and collecting unit utilizes the direct current voltage drop U generated by the constant current source on the measured resistorΔFor the constant current source measured part and line RlAre connected in series; in the voltage measuring part, the measuring circuit adopts a high-resistance measuring unit, and the input resistance of the measuring circuit is 10 of the measured part6More than twice. The device is not limited in work place, meets the requirement of rapid first-aid repair, and realizes the onboard in-situ automatic detection of the tail rotor deicing system and the detection of single components in the internal field.
Description
Technical Field
The invention relates to the field of helicopter tail rotor deicing tests, in particular to a tail rotor deicing distributor testing device.
Background
The helicopter ice system has a complex structure, more control circuits and higher equipment integration level. At present, corresponding equipment cannot be introduced in China, and tools such as a three-purpose meter, a micro-ohm meter, an anti-static bracelet and a plugging force tester are adopted when an army is maintained.
Objective disadvantages of the prior art: firstly, maintenance technicians work aloft during maintenance, the operation is inconvenient on a tail beam of the helicopter, and industrial accidents are easy to occur; secondly, when the artificial measurement is carried out, the measurement error is unreliable, the wiring is inconvenient and the artificial error is easy to generate.
Disclosure of Invention
The invention aims to solve the defects, and provides a tail rotor deicing distributor testing device which is not limited by a working site, meets the requirement of rapid first-aid repair, and realizes on-board in-situ automatic detection of a tail rotor deicing system and in-situ single component detection.
The invention specifically adopts the following technical scheme:
a tail rotor deicing distributor testing device comprises a suitcase body, wherein a power supply circuit unit, a main control circuit unit, a measuring and collecting unit, a constant current source circuit unit and a temperature measuring unit are integrated in the suitcase body; the main control circuit unit comprises a single chip microcomputer, a data interaction module and a display driving module, and the data acquisition unit, the constant current source circuit unit and the temperature measurement unit are electrically connected with the data interaction module of the main control circuit unit.
Preferably, the measuring and collecting unit utilizes a direct current voltage drop U generated by a constant current source on the measured resistorΔFor the constant current source measured part and line RlAre connected in series; in the voltage measuring part, the measuring circuit adopts a high-resistance measuring unit, and the input resistance of the measuring circuit is 10 of the measured part6And the circuit of the measuring and collecting unit adopts an AC959 integrated circuit.
Preferably, the power supply circuit unit includes a ground dc power supply, a voltage-stabilizing adjusting circuit and an output control circuit connected in series in sequence, the input of the voltage-stabilizing adjusting circuit is a reference, and the output control circuit is connected to the rechargeable battery.
Preferably, the data interaction module is used for controlling the temperature of the device to be in a range of 60 degrees to-40 degrees, and corresponding measurement technical indexes are displayed and compensated through corresponding temperature data in the measurement process, so that the measured data are close to the real measured data.
Preferably, after the device is powered on, the switch is started to act, and the equipment is subjected to self-inspection; if the self-checking is not qualified, the device displays FAIL and exits the program, after the self-checking is qualified, data is initialized, temperature measurement is started, and the temperature data is updated every 10 s; the measuring program waits for selecting the measuring type, if not, the measuring program defaults to the minimum type, constant current sources with different levels are selected according to the measuring type, after a selected line is determined, data are measured and stored, after data interaction, compensation display is carried out, and the program is ended when the action is stopped.
The invention has the following beneficial effects:
the device is not limited in work place, meets the requirement of rapid first-aid repair, and can realize the onboard in-situ automatic detection of the tail rotor deicing system and the detection of single components in the inner field. The device adopts a portable suitcase structure, has compact structure, firmness, reliability, strong anti-interference capability, convenient carrying, better performances of shock resistance, moisture resistance, water resistance and the like, and is suitable for being stacked, carried and used under severe environmental conditions. The device comprises a micro-resistance detection component, a temperature compensation circuit, a switching circuit, an operation panel and an operation panel, wherein the operation panel can be used for reading a detection value and a current temperature value.
Drawings
FIG. 1 is a structural block diagram of a tail rotor deicing distributor testing device;
FIG. 2 is a schematic diagram of a measurement and acquisition circuit unit;
FIG. 3 is a schematic diagram of a data interaction unit circuit;
FIG. 4 is a schematic diagram of a power circuit unit;
FIG. 5 is a schematic block diagram of a circuit of a tail rotor deicing distributor testing device;
FIG. 6 is a block diagram of the operation flow of the tail rotor deicing distributor testing device;
FIG. 7 is a panel diagram of a tail rotor deicing distributor testing device
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
with reference to fig. 1 and 5, the tail rotor deicing distributor testing device comprises a suitcase body, wherein a power circuit unit, a main control circuit unit, a measuring and collecting unit, a constant current source circuit unit and a temperature measuring unit are integrated in the suitcase body; the main control circuit unit comprises a single chip microcomputer, a data interaction module and a display driving module, and the data acquisition unit, the constant current source circuit unit and the temperature measurement unit are electrically connected with the data interaction module of the main control circuit unit.
With reference to fig. 2, the measuring and collecting unit utilizes the dc voltage drop U generated by the constant current source on the measured resistorΔFor the constant current source measured part and line RlAre connected in series; in the voltage measuring part, the measuring circuit adopts a high-resistance measuring unit, and the input resistance of the measuring circuit is 10 of the measured part6And the circuit of the measuring and collecting unit adopts an AC959 integrated circuit.
Referring to fig. 4, the power circuit unit includes a ground dc power supply, a voltage regulation circuit and an output control circuit connected in series in sequence, the input of the voltage regulation circuit is a reference, and the output control circuit is connected to the rechargeable battery.
With reference to fig. 3, the data interaction module is used to control the temperature of the device in the range of 60 ° to-40 °, and during measurement, corresponding measurement technical indicators are displayed and compensated by corresponding temperature data, so as to approach the real measurement data.
With reference to fig. 6, after the device is powered on, the switch is started to operate, and the equipment is self-checked; if the self-checking is not qualified, the device displays FAIL and exits the program, after the self-checking is qualified, data is initialized, temperature measurement is started, and the temperature data is updated every 10 s; the measuring program waits for selecting the measuring type, if not, the measuring program defaults to the minimum type, constant current sources with different levels are selected according to the measuring type, after a selected line is determined, data are measured and stored, after data interaction, compensation display is carried out, and the program is ended when the action is stopped.
The resistance measuring device of the device adopts an industrial control host type structure, programs are compiled into assembly language, the language structure is simple, the operation is efficient, the occupied memory is less, the work is reliable, the technology is mature, and the device is a scientific and reasonable software and hardware combination means of a small system.
The device uses a high-integration data acquisition module and synchronous signal simulation inside, so that the volume of the system is greatly reduced, and the device is convenient to carry.
When the device is used, the tail rotor can be tested and diagnosed only by using the corresponding test cable to be connected with a tested piece and simply operating according to the technical specification. The maintenance capability and the maneuverability of maintenance detection work are improved, and the requirement of field operations first-aid repair is met. The product panel is shown in fig. 7.
Because the device needs to meet the in-situ detection requirement of directly carrying out detection on the tail rotor deicing system on the outfield machine, the device strives to ensure small volume, light weight and convenient use and operation on the aspect of hardware design. The power supply system is a self-contained power supply (rechargeable lithium battery), and the acquisition circuit, the output circuit, the display circuit and the control circuit are processed by digital circuits.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (5)
1. A tail rotor deicing distributor testing device comprises a portable box body, and is characterized in that a power supply circuit unit, a main control circuit unit, a measuring and collecting unit, a constant current source circuit unit and a temperature measuring unit are integrated in the portable box body; the main control circuit unit comprises a single chip microcomputer, a data interaction module and a display driving module, and the data acquisition unit, the constant current source circuit unit and the temperature measurement unit are electrically connected with the data interaction module of the main control circuit unit.
2. As claimed in claim 1The tail rotor deicing distributor testing device is characterized in that the measuring and collecting unit utilizes a direct current voltage drop U generated by a constant current source on a resistor to be testedΔFor the constant current source measured part and line RlAre connected in series; in the voltage measuring part, the measuring circuit adopts a high-resistance measuring unit, and the input resistance of the measuring circuit is 10 of the measured part6And the circuit of the measuring and collecting unit adopts an AC959 integrated circuit.
3. The testing device for the tail rotor deicing distributor as claimed in claim 1, wherein the power circuit unit comprises a ground direct current power supply, a voltage stabilization adjusting circuit and an output control circuit which are sequentially connected in series, the input of the voltage stabilization adjusting circuit is a reference, and the output control circuit is connected with the rechargeable battery.
4. The tail rotor deicing distributor testing device according to claim 1, wherein the data interaction module is used for controlling the temperature of the device to be in a range of 60 degrees to-40 degrees, and corresponding measurement technical indexes are compensated through corresponding temperature data in measurement so as to approach real measurement data.
5. The tail rotor deicing distributor testing device according to claim 1, wherein after the device is powered on, a switch is started to operate, and equipment is subjected to self-inspection; if the self-checking is not qualified, the device displays FAIL and exits the program, after the self-checking is qualified, data is initialized, temperature measurement is started, and the temperature data is updated every 10 s; the measuring program waits for selecting the measuring type, if not, the measuring program defaults to the minimum type, constant current sources with different levels are selected according to the measuring type, after a selected line is determined, data are measured and stored, after data interaction, compensation display is carried out, and the program is ended when the action is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010994095.9A CN112173166A (en) | 2020-09-21 | 2020-09-21 | Tail-rotor deicing distributor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010994095.9A CN112173166A (en) | 2020-09-21 | 2020-09-21 | Tail-rotor deicing distributor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112173166A true CN112173166A (en) | 2021-01-05 |
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ID=73955571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010994095.9A Pending CN112173166A (en) | 2020-09-21 | 2020-09-21 | Tail-rotor deicing distributor testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112173166A (en) |
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2020
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| JP2007113981A (en) * | 2005-10-19 | 2007-05-10 | Toko Electric Corp | Method and apparatus for measuring current |
| JP2007333430A (en) * | 2006-06-12 | 2007-12-27 | Ricoh Co Ltd | Temperature compensation circuit compensation method |
| CN201314846Y (en) * | 2008-12-25 | 2009-09-23 | 李峰 | Temperature inspecting instrument |
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Application publication date: 20210105 |
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