Aircraft accessory electrical loop test equipment

By introducing a combined design of dustproof discs and cooling fan blades into the aircraft accessory electrical circuit testing equipment, the problem of dust adhesion was solved, achieving efficient heat dissipation and cleaning, and ensuring the normal operation of the equipment.

CN223926497UActive Publication Date: 2026-02-17AIR FRANCE KLM ACCESSORIES SERVICES (SHANGHAI) CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520424559.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-17
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing aircraft accessory electrical circuit testing equipment is prone to dust accumulation on the surface of the heat dissipation mesh during heat dissipation, requiring frequent disassembly and cleaning, which affects the normal use of the testing equipment.

Method used

A testing device with a dustproof plate and heat dissipation fan blades was designed. The drive motor drives the linkage shaft and the mounting shaft to rotate synchronously, which drives the heat dissipation fan blades to rotate and dissipate heat. The linkage shaft also drives the cleaning plate to rotate and clean dust, preventing dust from entering the device.

Benefits of technology

It enables effective dust removal without frequent disassembly, improving heat dissipation efficiency and equipment reliability, and preventing dust from affecting test results.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223926497U_ABST
    Figure CN223926497U_ABST
Patent Text Reader

Abstract

The utility model discloses an aircraft accessory electrical loop test device comprising a test box, one side of the test box is provided with a ventilation and heat dissipation groove, the middle part of the ventilation and heat dissipation groove is rotatably provided with an installation shaft 1, one side of the ventilation and heat dissipation groove is fixedly provided with a ventilator, the end part of the ventilator far away from the test box is provided with an installation groove, and the interior of the installation groove is provided with a dustproof disc in a clamping manner. According to the utility model, the driving motor can drive the mounting shaft I and the linkage shaft to rotate synchronously, so that the cooling fan blades are driven to rotate, heat in the test box is quickly discharged, and the driving motor is arranged outside the test box, so that heat generated by the driving motor during working cannot enter the test box, and the test efficiency is improved. Meanwhile, external dust can be effectively prevented from entering the dustproof disc, the cleaning plate can be synchronously driven to rotate when the linkage shaft rotates, the dust attached to the surface of the dustproof disc is cleaned, and the dustproof disc does not need to be frequently detached for cleaning.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aircraft accessory test, concretely is aircraft accessory electric circuit test equipment. BACKGROUND

[0002] The aircraft is a large category in the flying machine, refers to the relative movement of the machine body and air and obtains the air power to fly in the sky any machine, including balloon, airship, airplane, glider, rotorcraft, helicopter, flapping wing machine, tilt rotor machine etc., with the increasingly progress of science and technology, now the airplane system control gradually changes from the previous mechanical control to the electric control mode, many aircraft accessories use torque motor, electromagnetic valve, sensor, position indicator etc. to realize the control of aircraft accessories, the adjustment action and position monitoring, the circuit of aircraft accessories is increasingly complex, then needs to utilize the comprehensive test box to carry out the function test to it;

[0003] Through the retrieval, the application number for 202321695655.6 is disclosed a kind of for aircraft accessory electric circuit test comprehensive test box, it includes test box body, the side wall of test box body is connected with connecting plate, connecting plate is installed with multiple connecting seats from top to bottom in sequence, the front surface wall of test box body is installed with sealing door by hinge, the front surface wall of sealing door is installed with control panel, multiple switch knobs are installed with equidistance from left to right on control panel in sequence, and the lower end of control panel is equipped with first digital display type voltmeter, second digital display type voltmeter and third digital display type voltmeter, and the both sides of connecting seat are equipped with clamping structure symmetrically.The utility model can effectively play the role of fixed by setting clamping structure, further enhances the firmness of the connection of plug and connecting seat, prevents the plug connection line from being pulled to the plug and connecting seat connection loose to cause the problem of inaccurate test result, guarantees the normal use of test box;

[0004] But above-mentioned mode still has following defect when actual use: it can realize the ventilation and heat dissipation of test box interior by the setting of heat dissipation net plate, but dust in outside can be attached to the surface of heat dissipation net plate, need to be disassembled regularly to clean it. Utility model content

[0005] The utility model discloses a purpose in providing aircraft accessory electric circuit test equipment, has the effect that dustproof disc is cleaned conveniently, need not dismantle frequently.

[0006] The utility model discloses a above-mentioned technical purpose is through the following technical scheme can be realized: aircraft accessory electric circuit test equipment, including test box, one side of test box is equipped with ventilation heat dissipation groove, the middle part of ventilation heat dissipation groove is equipped with the installation shaft no.

[0007] The utility model discloses further provide: the other side of test box is equipped with test seat, and the surface of test seat is equipped with the jack, and the front of test box is hinged to the sealed door, and the surface of sealed door is equipped with control panel and three digital display voltmeter, and the surface of control panel is equipped with a plurality of control knobs.

[0008] The utility model discloses further provide: the inside of ventilation heat dissipation groove is fixedly installed with the mounting disc through the mounting rod, and the middle part of mounting disc is rotatably connected with one end of installation shaft no., and the other end of installation shaft no. is equipped with the clamping block, and the end of linkage shaft close to test box is equipped with the clamping groove of clamping block.

[0009] The utility model discloses further provide: the end of ventilation cylinder close to test box is fixedly equipped with the fixed disc, and the one side of test box is connected through fixed bolt no.

[0010] The utility model discloses further provide: the inside of mounting groove is equipped with the positioning hole, and the inside of dustproof disc is fixedly equipped with the positioning column of positioning hole clamping, and dustproof disc is connected through fixed bolt no.

[0011] The utility model discloses further provide: the bottom of mounting groove is equipped with the dust collecting groove corresponding with dustproof disc.

[0012] The utility model discloses further provide: the end of cleaning plate close to linkage shaft is fixedly equipped with the mounting seat, and the surface of linkage shaft is connected through fixed bolt no.

[0013] The utility model discloses further provide: the surface of installation shaft no. is fixedly equipped with bevel gear no. 1, and the top of ventilation cylinder is equipped with installation shaft no. 2, and the bottom of installation shaft no. 2 is fixedly equipped with bevel gear no. 2 of meshing connection with bevel gear no. 1, and the top of ventilation cylinder is fixedly equipped with motor frame, and drive motor is fixedly arranged at the top of motor frame, and the transmission column of drive motor is fixedly connected with the top of installation shaft no. 2.

[0014] In summary, the utility model has following beneficial effects: the utility model discloses a drive motor can drive the synchronous rotation of mounting shaft one and linkage shaft, thereby drive the rotation of the radiating fan blade, and the heat in the test box is discharged quickly, and the drive motor is arranged at the outside of the test box, and the heat generated during the operation of the drive motor does not enter the inside of the test box, and the dustproof disc can prevent the dust from the outside from entering effectively, and when the linkage shaft rotates, can drive the rotation of the cleaning plate synchronously, and the dust adhered to the surface of the dustproof disc is cleaned, and does not need to be disassembled frequently to clean. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is three-dimensional structure schematic view one of the utility model;

[0016] Fig. 2 It is three-dimensional structure schematic view two of the utility model;

[0017] Fig. 3 It is three-dimensional structure schematic view three of the utility model;

[0018] Fig. 4 It is local explosion structure schematic view one of the utility model;

[0019] Fig. 5 It is local explosion structure schematic view two of the utility model;

[0020] Fig. 6 It is the A place enlarged structure schematic view of the utility model Fig. 4 .

[0021] In the drawing: 1, test box;101, test seat;102, sealing door;103, control panel;104, digital display voltmeter;105, ventilation and heat dissipation groove;106, mounting rod;107, mounting disc;2, ventilation tube;201, fixed disc;202, fixed bolt one;203, mounting groove;204, positioning hole;205, dust collection groove;3, dustproof disc;301, positioning column;302, fixed bolt one;303, linkage shaft;304, cleaning plate;3041, mounting seat;3042, fixed bolt three;305, clamping groove;306, radiating fan blade;307, mounting shaft one;3071, clamping block;308, bevel gear one;309, mounting shaft two;3010, bevel gear two;3011, motor frame;3012, drive motor. DETAILED DESCRIPTION

[0022] The utility model will be further explained in combination with the drawings in the embodiment of the utility model.

[0023] Please refer to Figs. 1-6The utility model discloses an aircraft accessory electric circuit test equipment, including test box 1, one side of test box 1 is equipped with ventilation heat dissipation groove 105, the middle part of ventilation heat dissipation groove 105 is equipped with the installation shaft no. 307, and one side of ventilation heat dissipation groove 105 is fixedly equipped with ventilation cylinder 2, and the end of ventilation cylinder 2 away from test box 1 is equipped with mounting groove 203, and the inside of mounting groove 203 is equipped with dustproof disc 3, and the surface of dustproof disc 3 is equipped with heat dissipation dustproof hole, utilizes dustproof disc 3 to prevent the dust of outside from entering to the inside of test box 1, plays the protection effect, and does not interfere with ventilation heat dissipation efficiency, and the middle part of dustproof disc 3 is equipped with the linkage shaft 303 of the card of installation shaft no. 307, and the surface of linkage shaft 303 and the right side of dustproof disc 3 are fixedly equipped with cleaning plate 304, the surface of cleaning plate 304 is equipped with bristle, and bristle is in contact with the right side of dustproof disc 3, and when linkage shaft 303 rotates, synchronously drives cleaning plate 304 to rotate, so that bristle can clean the dust adhered to the surface of dustproof disc 3, and the surface of linkage shaft 303 is fixedly equipped with heat dissipation fan blade 306, and when linkage shaft 303 rotates, can drive heat dissipation fan blade 306 to rotate, so that the heat inside test box 1 is quickly discharged, improves heat dissipation efficiency, and the upper portion of ventilation cylinder 2 is equipped with the drive motor 3012 of the drive installation shaft no. 307 rotation, utilizes drive motor 3012 to be able to drive installation shaft no. 307 and linkage shaft 303 synchronous rotation, and the other side of test box 1 is equipped with test seat 101, and the surface of test seat 101 is equipped with jack, and the front of test box 1 is hinged with sealing door 102, and the surface of sealing door 102 is equipped with control panel 103 and three digital display voltmeter 104, and a plurality of control knobs are equipped on the surface of control panel 103;

[0024] In the embodiment, preferably, the inside of the ventilation heat dissipation groove 105 is fixedly installed with the mounting disc 107 through the mounting rod 106, and the middle part of the mounting disc 107 is rotatably connected with one end of the installation shaft no. 307. The other end of the installation shaft no. 307 is fixedly provided with the clamping block 3071. The end of the linkage shaft 303 close to the test box 1 is provided with the clamping groove 305 matched with the clamping block 3071. The clamping block 3071 and the clamping groove 305 are matched to synchronously drive the linkage shaft 303 to rotate when the installation shaft no. 307 rotates, and meanwhile, the linkage shaft 303 and the installation shaft no. 307 are not interfered with each other.

[0025] In the embodiment, preferably, the end of the ventilation cylinder 2 close to the test box 1 is fixedly provided with the fixing disc 201. The fixing disc 201 is connected with one side of the test box 1 through the fixing bolt no. 202, so as to quickly disassemble and assemble the ventilation cylinder 2.

[0026] In this embodiment, preferably, the inner side of the mounting groove 203 is provided with a positioning hole 204, and the inner side of the dustproof tray 3 is fixedly provided with a positioning post 301 that engages with the positioning hole 204. The position of the dustproof tray 3 is initially positioned by the engagement between the positioning holes 204 and the positioning post 204. The dustproof tray 3 is connected to the inner side of the mounting groove 203 by a fixing bolt 302, which further limits the position of the dustproof tray 3.

[0027] In this embodiment, preferably, the bottom of the mounting groove 203 is provided with a dust collection groove 205 corresponding to the dustproof tray 3, which can collect the dust that falls off the surface of the dustproof tray 3.

[0028] In this embodiment, preferably, a mounting base 3041 is fixedly provided at the end of the cleaning plate 304 near the linkage shaft 303. The mounting base 3041 is connected to the surface of the linkage shaft 303 by fixing bolts 3042, which facilitates the disassembly of the cleaning plate 304.

[0029] In this embodiment, preferably, a bevel gear 308 is fixedly mounted on the surface of the mounting shaft 307, a mounting shaft 309 is rotatably mounted on the top of the ventilation duct 2, a bevel gear 3010 that meshes with the bevel gear 308 is fixedly mounted on the bottom of the mounting shaft 309, a motor frame 3011 is fixedly mounted on the top of the ventilation duct 2, a drive motor 3012 is fixedly mounted on the top of the motor frame 3011, and the transmission column of the drive motor 3012 is fixedly connected to the top of the mounting shaft 309. The rotation of the transmission shaft of the drive motor 3012 can drive the mounting shaft 309 to rotate, thereby driving the bevel gear 3010 to rotate. The meshing of the bevel gear 3010 with the bevel gear 308 drives the mounting shaft 307 to rotate.

[0030] In use, first connect the corresponding plug of the aircraft accessory to be tested to the socket on the test base 101, turn on the external power supply U1 and the torque motor power supply U2, and enter the test program. By turning the corresponding control knob, adjust the current of the torque motor control circuit. The digital display voltmeter 104 shows that the current of the torque motor is adjusted within the range of 0-200mA to control the torque motor on the valve, thereby controlling the valve's air release volume to achieve valve angle position control. Then, by turning the other two corresponding control knobs, open or close the solenoid valve and select and switch the solenoid valve mode for electro-pneumatic mode, thereby realizing the opening / closing of the valve and the switching of electro-pneumatic mode. Finally, continue to turn the corresponding control knob to monitor and display the continuity of the Hall sensor installed on the valve through the Hall sensor monitoring circuit, thereby realizing the testing of the electrical circuit of the aircraft accessory.

[0031] In normal testing, the driving motor 3012 is started, the driving shaft of the driving motor 3012 is rotated to rotate the mounting shaft two 309, the bevel gear two 3010 is rotated, the mounting shaft one 307 is rotated through the meshing of the bevel gear two 3010 and the bevel gear one 308, then the linkage shaft 303 is synchronously rotated, the heat dissipation fan blade 306 can be rotated when the linkage shaft 303 is rotated, so that the heat inside the test box 1 is quickly discharged, the heat dissipation efficiency is improved, and the cleaning plate 304 can be synchronously rotated when the linkage shaft 303 is rotated, dust attached to the surface of the dustproof disc 3 is cleaned, and the dust cleaned is fallen into the dust collecting groove 205 for collection.

[0032] The above is only a preferred embodiment of the present application, so equivalent changes or modifications made according to the structure, features and principles described in the patent application range of the present application are included in the patent application range of the present application.

Claims

1. An electrical circuit testing device for aircraft accessories, comprising a testing box (1), one side of which is provided with a ventilation and heat dissipation groove (105), characterized in that, The middle part of the ventilation and heat dissipation groove (105) is rotatably provided with a mounting shaft one (307), one side of the ventilation and heat dissipation groove (105) is fixedly provided with a ventilation cylinder (2), the end of the ventilation cylinder (2) away from the test box (1) is provided with a mounting groove (203), the inside of the mounting groove (203) is clamped with a dustproof disc (3), the middle part of the dustproof disc (3) is rotatably provided with a linkage shaft (303) clamped with the mounting shaft one (307), the surface of the linkage shaft (303) and located at the right side of the dustproof disc (3) is fixedly provided with a cleaning plate (304), the surface of the linkage shaft (303) is fixedly provided with a heat dissipation fan blade (306), and the upper side of the ventilation cylinder (2) is provided with a driving motor (3012).

2. The aircraft accessory electrical circuit test apparatus of Claim 1, wherein: The other side of the test box (1) is provided with a test seat (101), the surface of the test seat (101) is provided with a jack, and the front of the test box (1) is hingedly connected with a sealing door (102). The surface of the sealing door (102) is provided with a control panel (103) and three digital voltage meters (104), and the surface of the control panel (103) is provided with a plurality of control knobs.

3. The aircraft accessory electrical circuit test apparatus of Claim 1, wherein: The inside of the ventilation and heat dissipation groove (105) is fixedly provided with a mounting disc (107) through a mounting rod (106), and the middle part of the mounting disc (107) is rotatably connected with one end of the mounting shaft one (307). The other end of the mounting shaft one (307) is fixedly provided with a clamping block (3071), and the end of the linkage shaft (303) close to the test box (1) is provided with a clamping groove (305) clamped with the clamping block (3071).

4. The aircraft accessory electrical circuit test apparatus of Claim 1, wherein: The end of the ventilation cylinder (2) close to the test box (1) is fixedly provided with a fixed disc (201), and the fixed disc (201) is connected with one side of the test box (1) through a fixed bolt one (202).

5. The aircraft accessory electrical circuit test apparatus of Claim 1, wherein: The inside of the mounting groove (203) is provided with a positioning hole (204), the inside of the dustproof disc (3) is fixedly provided with a positioning column (301) clamped with the positioning hole (204), and the dustproof disc (3) is connected with the inside of the mounting groove (203) through a fixed bolt two (302).

6. The aircraft accessory electrical circuit test apparatus of Claim 1, wherein: The bottom of the mounting groove (203) is provided with a dust collecting groove (205) corresponding to the dustproof disc (3).

7. The aircraft accessory electrical circuit test apparatus of Claim 1, wherein: The end of the cleaning plate (304) close to the linkage shaft (303) is fixedly provided with a mounting seat (3041), and the mounting seat (3041) is connected with the surface of the linkage shaft (303) through a fixed bolt three (3042).

8. The aircraft accessory electrical circuit test apparatus of Claim 1, wherein: The surface of the mounting shaft one (307) is fixedly provided with a bevel gear one (308), the top of the ventilation cylinder (2) is rotatably provided with a mounting shaft two (309), the bottom of the mounting shaft two (309) is fixedly provided with a bevel gear two (3010) meshingly connected with the bevel gear one (308), the top of the ventilation cylinder (2) is fixedly provided with a motor bracket (3011), the driving motor (3012) is fixedly arranged at the top of the motor bracket (3011), and the transmission column of the driving motor (3012) is fixedly connected with the top of the mounting shaft two (309).

Citation Information

Patent Citations

  • Comprehensive test box for aircraft accessory electrical loop test

    CN220105123U