Aero-engine turbine overspeed detection signal conditioning box

Abstract

The application relates to the technical field of signal conditioning boxes, and discloses an aero-engine turbine overspeed detection signal conditioning box, which solves the problem of poor use effect of the existing signal conditioning box. The signal conditioning box comprises a conditioning box shell, the top end of the conditioning box shell is provided with a conditioning box cover plate, the front of the conditioning box shell is provided with a potentiometer, a lamp button switch, a sealed button switch, a stuffing box and a connector, the inside of the conditioning box shell is provided with a PCI bus plate, a PCI plate assembly I, a signal simulation plate, a PCI plate assembly II, a PCI plate assembly III, a power filter and a conductive sealing assembly, the conductive sealing assembly is connected between the conditioning box shell and the conditioning box cover plate, and a heat dissipation mechanism is arranged at one end of the conditioning box shell. Through the signal conditioning box, the anti-vibration, anti-impact, anti-electromagnetic interference, sealing and heat dissipation performance can be improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of signal conditioning boxes, and particularly relates to an aero-engine turbine overspeed detection signal conditioning box. BACKGROUND

[0002] The signal conditioning box is used for the overspeed detection of an aero-engine turbine, at present, the temperature grade of the selected board card of the signal conditioning box on the market does not meet the high-temperature working requirement, meanwhile, the signal conditioning box has the defects of poor anti-vibration and impact capacity, insufficient electromagnetic compatibility performance, large size of the box body, and inconvenience for carrying, therefore, the application provides the aero-engine turbine overspeed detection signal conditioning box to improve the overall performance of the signal conditioning box. SUMMARY

[0003] In view of the above problems, the aero-engine turbine overspeed detection signal conditioning box is provided to overcome the defects of the prior art and effectively solve the problem of poor use effect of the existing signal conditioning box.

[0004] To achieve the above object, the application provides the following technical scheme: an aero-engine turbine overspeed detection signal conditioning box, comprising a conditioning box shell, a conditioning box cover plate arranged at the top end of the conditioning box shell, a belt handle arranged at the middle position of the top end of the conditioning box cover plate, a potentiometer, a button switch with a lamp, a sealing button switch, a stuffing box and a connector arranged on the front face of the conditioning box shell, a PCI bus board, a PCI board assembly I, a signal simulation board, a PCI board assembly II, a PCI board assembly III, a power filter and a conductive sealing assembly arranged in the inside of the conditioning box shell, the PCI bus board and the power filter being fixedly connected to the bottom end of the inside of the conditioning box shell, the PCI board assembly I, the PCI board assembly II and the PCI board assembly III being connected to the top end of the PCI bus board, the signal simulation board being fixedly connected to the PCI board assembly I, the conductive sealing assembly being connected between the conditioning box shell and the conditioning box cover plate, and a heat dissipation mechanism penetratingly arranged at one end of the conditioning box shell and connected in cooperation with the PCI bus board, the PCI board assembly I, the signal simulation board, the PCI board assembly II and the PCI board assembly III.

[0005] Preferably, the PCI board assembly I, the PCI board assembly II and the PCI board assembly III each comprise a locker one, a locker two, an AEC mounting substrate, a PCI board body and a plurality of mounting seats, the locker one and the locker two are fixedly connected to the top end of the PCI bus board, the AEC mounting substrate is fixedly connected between the locker one and the locker two, the PCI board body is connected to one side of the AEC mounting substrate through the mounting seats, and the PCI board body is plug-connected to the PCI bus board.

[0006] Preferably, the first and second lockers are both composed of a vertical frame support and a locking vertical beam, the side of the bottom end of the vertical frame support is fixedly provided with a threaded mounting plate, a plurality of bolt holes one are formed in the middle of the two sides of the vertical frame support, the locking vertical beam is connected to the inside of the vertical frame support through a plurality of bolts, and the AEC mounting base plate is connected between the vertical frame support and the locking vertical beam through a plurality of bolts.

[0007] Preferably, the mounting seat is composed of a fixed seat and a pressing plate, the fixed seat is fixedly connected to the side of the AEC mounting base plate, a mounting clamping groove is formed on the side of the fixed seat away from the AEC mounting base plate, a buffer pad one is fixedly arranged on the inner side wall of the mounting clamping groove, and a buffer pad two is fixedly arranged on the side of the pressing plate close to the fixed seat, and the PCI plate body is clamped between the buffer pad one and the buffer pad two.

[0008] Preferably, the inside of the conditioning box shell is provided with an electromagnetic shielding metal interlayer one, the inside of the conditioning box cover plate is provided with an electromagnetic shielding metal interlayer two, the power filter is installed at the position close to the input power connector, the power cord uses a power cord with a shielding layer, and the shielding layers at both ends of the power cord are connected with the conditioning box shell, so that the equipment has sufficient electromagnetic compatibility.

[0009] Preferably, the conductive sealing assembly is composed of an L-shaped conductive sealing ring, a rectangular conductive sealing ring one, a rectangular conductive sealing ring two and a rectangular sealing ring, the L-shaped conductive sealing ring, the rectangular conductive sealing ring one, the rectangular conductive sealing ring two and the rectangular sealing ring are all connected between the conditioning box shell and the conditioning box cover plate, the vertical section of the L-shaped conductive sealing ring, the rectangular conductive sealing ring one and the rectangular conductive sealing ring two is a flat structure, and the vertical section of the rectangular sealing ring is a circular structure.

[0010] Preferably, the top end of the conditioning box shell is fixedly provided with a rectangular convex ring, an arc-shaped groove matched with the rectangular sealing ring is formed on the side of the top end of the rectangular convex ring, a rectangular recess matched with the rectangular convex ring is formed on the side of the bottom end of the conditioning box cover plate, a rectangular water seepage groove is formed on the side of the top end of the conditioning box shell, and a plurality of drainage through grooves in communication with the rectangular water seepage groove are formed on the top end of the inside of the conditioning box shell.

[0011] Preferably, the heat dissipation mechanism is composed of a heat dissipation box body, a heat dissipation fan group, a heat conduction assembly and a heat dissipation assembly, the heat dissipation box body is fixedly connected to one end of the conditioning box shell, the heat dissipation fan group is fixedly connected to one end of the top of the heat dissipation box body, the heat conduction assembly is connected to the heat dissipation box body and the conditioning box shell and is matched with the PCI bus plate, the PCI plate assembly I, the signal simulation plate, the PCI plate assembly II and the PCI plate assembly III, and the heat dissipation assembly is fixedly connected to the top end of the heat dissipation box body and is fixedly connected with the heat conduction assembly.

[0012] Preferably, the heat conducting component is composed of a combined heat pipe and a plurality of copper heat conducting seats, the copper heat conducting seat is sleeved on one end of the combined heat pipe and fixedly connected therewith, the copper heat conducting seat is connected with the heat generating elements on the PCI bus plate, the PCI plate component I, the signal simulation plate, the PCI plate component II and the PCI plate component III through heat conducting silicone grease, and the heat dissipation component is composed of a heat dissipation plate, a plurality of heat dissipation capillary tubes and a heat conducting connecting sleeve, the heat conducting connecting sleeve is sleeved on the other end of the combined heat pipe and fixedly connected therewith, and the heat dissipation plate is fixedly connected to the top end of the heat conducting connecting sleeve, and the heat dissipation capillary tubes are fixedly connected to the top end of the heat dissipation plate.

[0013] Preferably, the combined heat pipe is composed of a horizontal heat pipe, a vertical heat pipe I and a vertical heat pipe II, the vertical heat pipe I and the vertical heat pipe II are fixedly connected to one end of the top of the horizontal heat pipe and communicated with the horizontal heat pipe, the inside of the horizontal heat pipe is filled with an evaporation liquid, the bottom end of the inside of the horizontal heat pipe is provided with a horizontal wick, and the inner side walls of the vertical heat pipe I and the vertical heat pipe II are both fixedly provided with hollow cylindrical wicks, and the bottom end of the hollow cylindrical wick is connected with the horizontal wick through a plurality of wick connecting strips.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] (1) In work, the PCI plate component I, the PCI plate component II and the PCI plate component III composed of the locker I, the locker II, the AEC mounting base plate, the PCI plate body and the plurality of mounting seats can improve the stability of installation, thereby improving the anti-shock and anti-impact performance, avoiding loosening or separation from the PCI bus plate due to vibration, ensuring the stable work of the signal conditioning box, and facilitating maintenance, the equipment has small lateral size and simple layout;

[0016] (2) The electromagnetic shielding metal interlayer I and the electromagnetic shielding metal interlayer II can realize electromagnetic shielding treatment and reduce the influence of electromagnetic radiation, the power filter is installed close to the position of the input power connector, the power line uses a power line with a shielding layer, and the shielding layers at both ends of the power line are connected with the conditioning box shell, so that the equipment has sufficient electromagnetic compatibility;

[0017] (3) The conductive sealing assembly composed of the L-shaped conductive sealing ring, the rectangular conductive sealing ring I, the rectangular conductive sealing ring II and the rectangular sealing ring forms a closed conductive box body, which not only plays a waterproof role, but also shields the emission of electromagnetic signals to the outside, thereby meeting the requirement of electromagnetic compatibility;

[0018] (4), by setting by heat sink body, heat dissipation fan group, heat conduction assembly and heat dissipation assembly constitute the heat dissipation mechanism, can realize the PCI bus board, PCI board assembly I, signal simulation board, PCI board assembly II, PCI board assembly III Efficient heat dissipation, avoid the temperature is too high and affect the stability and service life of use. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the application, and together with the description serve to explain the application, and do not constitute a limitation of the application.

[0020] In the drawings:

[0021] Figure 1 The structure of the aero-engine turbine overspeed detection signal conditioning box of the application is shown in the figure;

[0022] Figure 2 The aero-engine turbine overspeed detection signal conditioning box of the application is shown in the figure;

[0023] Figure 3 The structure of the PCI board assembly I of the application is shown in the figure;

[0024] Figure 4 The structure of the lock one of the application is shown in the figure;

[0025] Figure 5 The structure of the lock one of the application is shown in the figure;

[0026] Figure 6 The structure of the mounting seat of the application is shown in the figure;

[0027] Figure 7 The structure of the mounting seat of the application is shown in the figure;

[0028] Figure 8 The structure of the conditioning box cover plate and the conditioning box shell of the application is shown in the figure;

[0029] Figure 9 The structure of the conditioning box cover plate and the conditioning box shell of the application is shown in the figure;

[0030] Figure 10 The structure of the heat dissipation mechanism of the application is shown in the figure;

[0031] Figure 11 The structure of the heat dissipation mechanism of the application is shown in the figure;

[0032] Figure 12 The structure of the combined heat pipe of the application is shown in the figure;

[0033] In the figure: 1, conditioning box shell; 2, conditioning box cover plate; 3, belt handle; 4, potentiometer and lamp button switch; 5, sealed button switch; 6, stuffing box and connector; 7, PCI bus board; 8, PCI board assembly I; 9, PCI board assembly II; 10, PCI board assembly III; 11, power filter; 12, conductive sealing assembly; 13, signal simulation board; 14, heat dissipation mechanism; 15, locker one; 16, locker two; 17, AEC installation base plate; 18, PCI board body; 19, mounting seat; 20, vertical frame support; 21, locking vertical beam; 22, threaded mounting plate; 23, bolt hole one; 24, fixed seat; 25, pressing plate; 26, mounting clamping groove; 27, buffer pad one; 28, buffer pad two; 29, electromagnetic shielding metal interlayer one; 30, electromagnetic shielding metal interlayer two; 31, L-shaped conductive sealing ring; 32, rectangular conductive sealing ring one; 33, rectangular conductive sealing ring two; 34, rectangular sealing ring; 35, rectangular protruding ring; 36, arc-shaped groove; 37, rectangular recess; 38, rectangular water seepage groove; 39, drainage channel; 40, heat dissipation box body; 41, heat dissipation fan group; 42, heat conduction assembly; 43, heat dissipation assembly; 44, combined heat pipe; 45, copper heat conduction seat; 46, heat dissipation plate; 47, heat dissipation capillary tube; 48, heat conduction connecting sleeve; 49, horizontal heat pipe; 50, vertical heat pipe one; 51, vertical heat pipe two; 52, horizontal wick; 53, hollow cylindrical wick; 54, wick connecting strip. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0035] Embodiment one, by Figure 1 and Figure 2The application discloses an aero-engine turbine overspeed detection signal conditioning box which comprises a conditioning box shell 1, a conditioning box cover plate 2 arranged at the top of the conditioning box shell 1, a belt handle 3 arranged at the middle position of the top of the conditioning box cover plate 2, a potentiometer and a lamp button switch 4, a sealed button switch 5 and a stuffing box and a connector 6 arranged on the front of the conditioning box shell 1, a PCI bus plate 7, PCI plate assembly I 8, a signal simulation plate 13, PCI plate assembly II 9, PCI plate assembly III 10, a power filter 11 and a conductive sealing assembly 12 arranged in the inside of the conditioning box shell 1, the PCI bus plate 7 and the power filter 11 being fixedly connected to the bottom of the inside of the conditioning box shell 1, the PCI plate assembly I 8, the PCI plate assembly II 9 and the PCI plate assembly III 10 being connected to the top of the PCI bus plate 7, the signal simulation plate 13 being fixedly connected to the PCI plate assembly I 8, the conductive sealing assembly 12 being connected between the conditioning box shell 1 and the conditioning box cover plate 2, and a heat dissipation mechanism 14 being arranged in one end of the conditioning box shell 1 and connected with the PCI bus plate 7, the PCI plate assembly I 8, the signal simulation plate 13, the PCI plate assembly II 9 and the PCI plate assembly III 10.

[0036] When the device is assembled, the PCI plate assembly I 8, the PCI plate assembly II 9 and the PCI plate assembly III 10 are subjected to electromagnetic shielding treatment, so that the influence of electromagnetic radiation is reduced; the device can be conveniently carried through the belt handle 3; and the device can be connected and controlled through the potentiometer and the lamp button switch 4, the sealed button switch 5 and the stuffing box and the connector 6.

[0037] In the embodiment two, based on the embodiment one, Figures 2 to 7Given, PCI board assembly I 8, PCI board assembly II 9, PCI board assembly III 10 are composed of locker one 15, locker two 16, AEC mounting base plate 17, PCI board body 18 and several mounting seats 19, locker one 15 and locker two 16 are fixedly connected to the top end of PCI bus board 7, AEC mounting base plate 17 is fixedly connected between locker one 15 and locker two 16, PCI board body 18 is connected to one side of AEC mounting base plate 17 through mounting seat 19, PCI board body 18 is connected with PCI bus board 7, locker one 15 and locker two 16 are composed of vertical frame support 20 and locking vertical beam 21, the side of the bottom end of vertical frame support 20 is fixedly provided with threaded mounting plate 22, a plurality of bolt holes one 23 are formed in the middle of the two sides of vertical frame support 20, locking vertical beam 21 is connected to the inside of vertical frame support 20 through a plurality of bolts, AEC mounting base plate 17 is connected between vertical frame support 20 and locking vertical beam 21 through a plurality of bolts, mounting seat 19 is composed of fixed seat 24 and pressing plate 25, fixed seat 24 is fixedly connected to the side of AEC mounting base plate 17, mounting clamping groove 26 is formed in the side of fixed seat 24 away from AEC mounting base plate 17, buffer pad one 27 is fixedly arranged on the inner side wall of mounting clamping groove 26, buffer pad two 28 is fixedly arranged on the side of pressing plate 25 close to fixed seat 24, PCI board body 18 is clamped between buffer pad one 27 and buffer pad two 28;

[0038] Vertical frame support 20 is fixedly connected to the top end of PCI bus board 7 through bolts, then AEC mounting base plate 17 is inserted between vertical frame support 20 and locking vertical beam 21, and then locking vertical beam 21 is locked, so that AEC mounting base plate 17 is stably clamped, then the side of fixed seat 24 is attached to PCI board body 18, and then pressing plate 25 is installed, so that PCI board body 18 is installed and fixed through pressing plate 25, and buffer effect is realized through buffer pad one 27 and buffer pad two 28, so that the installation stability of PCI board body 18 can be ensured, and loosening or separation is avoided, the anti-seismic performance and impact resistance are effectively improved, and the normal work of the equipment is ensured.

[0039] In example three, on the basis of example one, Figure 1 、 Figure 2 、 Figure 8 And Figure 9 Given that the inside of the conditioning box shell 1 is provided with an electromagnetic shielding metal interlayer one 29, the inside of the conditioning box cover plate 2 is provided with an electromagnetic shielding metal interlayer two 30, the power filter 11 is installed near the input power connector, the power cord uses a power cord with a shielding layer, and the shielding layers at both ends of the power cord are connected with the conditioning box shell 1, so that the equipment has sufficient electromagnetic compatibility;

[0040] The electromagnetic shielding performance of the device can be improved through the electromagnetic shielding metal interlayer 29 and the electromagnetic shielding metal interlayer 30.

[0041] The conductive sealing assembly 12 is composed of an L-shaped conductive sealing ring 31, a rectangular conductive sealing ring 32, a rectangular conductive sealing ring 33 and a rectangular sealing ring 34. The L-shaped conductive sealing ring 31, the rectangular conductive sealing ring 32, the rectangular conductive sealing ring 33 and the rectangular sealing ring 34 are connected between the conditioning box shell 1 and the conditioning box cover plate 2. The vertical section of the L-shaped conductive sealing ring 31, the rectangular conductive sealing ring 32 and the rectangular conductive sealing ring 33 is a flat structure, and the vertical section of the rectangular sealing ring 34 is a circular structure. The top end of the conditioning box shell 1 is fixedly provided with a rectangular protruding ring 35. The side edge of the top end of the rectangular protruding ring 35 is provided with an arc-shaped groove 36 matched with the rectangular sealing ring 34. The side edge of the bottom end of the conditioning box cover plate 2 is provided with a rectangular recess 37 matched with the rectangular protruding ring 35. The side edge of the top end of the conditioning box shell 1 is provided with a rectangular water seepage groove 38. The top end inside the conditioning box shell 1 is provided with a plurality of drainage through grooves 39 communicated with the rectangular water seepage groove 38.

[0042] The L-shaped conductive sealing ring 31, the rectangular conductive sealing ring 32, the rectangular conductive sealing ring 33 and the rectangular sealing ring 34 can realize multiple conductive sealing, improve the dustproof and waterproof performance, and also can shield the emission of electromagnetic signals to the outside, so as to meet the requirement of electromagnetic compatibility. When the L-shaped conductive sealing ring 31 leaks, the seeped water enters the inside of the rectangular water seepage groove 38, and then is discharged to the outside of the conditioning box shell 1 through the drainage through grooves 39, so as to realize the water seepage protection effect and effectively improve the safety in use.

[0043] In the embodiment four, on the basis of the embodiment one, Figure 1 、 Figure 2 、 Figure 10 、 Figure 11 and Figure 12The heat dissipation mechanism 14 is composed of a heat dissipation box 40, a heat dissipation fan group 41, a heat conduction assembly 42 and a heat dissipation assembly 43. The heat dissipation box 40 is fixedly connected to one end of the conditioning box shell 1. The heat dissipation fan group 41 is fixedly connected to one end of the top of the heat dissipation box 40. The heat conduction assembly 42 is insertedly connected to the heat dissipation box 40 and the conditioning box shell 1 and is connected in cooperation with the PCI bus board 7, the PCI board assembly I 8, the signal simulation board 13, the PCI board assembly II 9 and the PCI board assembly III 10. The heat dissipation assembly 43 is fixedly connected to the top end of the heat dissipation box 40 and is fixedly connected with the heat conduction assembly 42. The heat conduction assembly 42 is composed of a combined heat pipe 44 and a plurality of copper heat conduction seats 45. The copper heat conduction seat 45 is sleeved on one end of the combined heat pipe 44 and is fixedly connected therewith. The copper heat conduction seat 45 is connected in close contact with the heat generating elements on the PCI bus board 7, the PCI board assembly I 8, the signal simulation board 13, the PCI board assembly II 9 and the PCI board assembly III 10 through heat conduction silicone grease. The heat dissipation assembly 43 is composed of a heat dissipation plate 46, a plurality of heat dissipation capillary tubes 47 and a heat conduction connecting sleeve 48. The heat conduction connecting sleeve 48 is sleeved on the other end of the combined heat pipe 44 and is fixedly connected therewith. The heat dissipation plate 46 is fixedly connected to the top end of the heat conduction connecting sleeve 48. The heat dissipation capillary tubes 47 are fixedly connected to the top end of the heat dissipation plate 46. The combined heat pipe 44 is composed of a horizontal heat pipe 49, a vertical heat pipe one 50 and a vertical heat pipe two 51. The vertical heat pipe one 50 and the vertical heat pipe two 51 are fixedly connected to one end of the top of the horizontal heat pipe 49 and are in communication therewith. The inside of the horizontal heat pipe 49 is filled with evaporation liquid. The bottom end of the inside of the horizontal heat pipe 49 is provided with a horizontal liquid suction core 52. The inner side walls of the vertical heat pipe one 50 and the vertical heat pipe two 51 are each fixedly provided with a hollow cylindrical liquid suction core 53. The bottom end of the hollow cylindrical liquid suction core 53 is connected with the horizontal liquid suction core 52 through a plurality of liquid suction connecting strips 54.

[0044] The heat on the PCI bus board 7, the PCI board assembly I 8, the signal simulation board 13, the PCI board assembly II 9 and the PCI board assembly III 10 is transferred to the copper heat conduction seat 45, and then is transferred to the horizontal heat pipe 49 by the copper heat conduction seat 45. The evaporation liquid in the inside of the horizontal heat pipe 49 is rapidly evaporated by heat. The hot steam enters the inside of the vertical heat pipe one 50 and the vertical heat pipe two 51 and is transferred to the heat dissipation assembly 43 composed of the heat dissipation plate 46, the plurality of heat dissipation capillary tubes 47 and the heat conduction connecting sleeve 48. The air cooling heat dissipation is realized through the heat dissipation fan group 41. The hot steam is condensed and moves downward along the hollow cylindrical liquid suction core 53, is transferred to the horizontal liquid suction core 52 through the liquid suction connecting strips 54 and flows back along the horizontal liquid suction core 52, so that the circulation can be formed and the high-efficiency heat dissipation is realized. The temperature of the PCI bus board 7, the PCI board assembly I 8, the signal simulation board 13, the PCI board assembly II 9 and the PCI board assembly III 10 is prevented from being too high to affect the stability and the service life in use.

[0045] In work, by setting up by the locker one, the locker two, AEC installation base plate, PCI board body and a plurality of mounting seat constitute the PCI board assembly I, the PCI board assembly II, the PCI board assembly III, can improve its installation stability, further improve the anti-seismic and anti-impact performance, avoid to be shaken and with PCI bus board loose or separate, guarantee signal conditioning box stable work, while convenient maintenance, equipment transverse size is small, layout is simple, through the setting electromagnetic shielding metal interlayer one and electromagnetic shielding metal interlayer two, can realize electromagnetic shielding processing, reduce the influence of electromagnetic radiation, through the setting power filter, and install power filter close to the position of input power connector, power cord uses the power cord with shielding layer, the shielding layer of power cord both ends is connected with conditioning box shell, so as to guarantee that the equipment has enough electromagnetic compatibility, through the setting by L type conductive sealing ring, rectangular conductive sealing ring one, rectangular conductive sealing ring two and rectangular sealing ring constitute the conductive sealing assembly, form a closed conductive box body, both play the role of waterproof, also play the shielding electromagnetic signal emission to the outside, so as to reach the requirement of anti-electromagnetic compatibility, through the setting by the heat dissipation box body, heat dissipation fan group, heat conduction assembly and heat dissipation assembly constitute the heat dissipation mechanism, can realize high efficient heat dissipation to PCI bus board, PCI board assembly I, signal simulation board, PCI board assembly II, PCI board assembly III, avoid high temperature and affect the stability and service life of use.

Claims

1. An aeroengine turbine overspeed detection signal conditioner box comprising a conditioner box housing (1), characterised in that: The top end of the conditioning box shell (1) is provided with a conditioning box cover plate (2), the middle position of the top end of the conditioning box cover plate (2) is provided with a belt handle (3), the front of the conditioning box shell (1) is provided with a potential meter and a button switch with a lamp (4), a sealed button switch (5) and a filler and a connector (6), the inside of the conditioning box shell (1) is provided with a PCI bus board (7), a PCI board assembly I (8), a signal simulation board (13), a PCI board assembly II (9), a PCI board assembly III (10), a power filter (11), a conductive sealing assembly (12), the PCI bus board (7) and the power filter (11) are fixedly connected to the bottom end inside the conditioning box shell (1), the PCI board assembly I (8), the PCI board assembly II (9) and the PCI board assembly III (10) are all connected to the top end of the PCI bus board (7), the signal simulation board (13) is fixedly connected with the PCI board assembly I (8), the conductive sealing assembly (12) is connected between the conditioning box shell (1) and the conditioning box cover plate (2), one end of the conditioning box shell (1) is provided with a heat dissipation mechanism (14) connected with the PCI bus board (7), the PCI board assembly I (8), the signal simulation board (13), the PCI board assembly II (9) and the PCI board assembly III (10) in cooperation; The PCI board assembly I (8), the PCI board assembly II (9) and the PCI board assembly III (10) are all composed of a locker one (15), a locker two (16), an AEC mounting base plate (17), a PCI board body (18) and a plurality of mounting seats (19), the locker one (15) and the locker two (16) are both fixedly connected to the top end of the PCI bus board (7), the AEC mounting base plate (17) is fixedly connected between the locker one (15) and the locker two (16), the PCI board body (18) is connected to one side of the AEC mounting base plate (17) through the mounting seat (19), and the PCI board body (18) is plug-connected with the PCI bus board (7).

2. An aeroengine turbine overspeed detection signal conditioner box according to claim 1, characterised in that: The locker one (15) and the locker two (16) are both composed of an upright frame support (20) and a locking vertical beam (21), the side edge of the bottom end of the upright frame support (20) is fixedly provided with a threaded mounting plate (22), a plurality of bolt holes one (23) are formed in the middle positions of the two sides of the upright frame support (20), the locking vertical beam (21) is connected to the inside of the upright frame support (20) through a plurality of bolts, and the AEC mounting base plate (17) is connected between the upright frame support (20) and the locking vertical beam (21) through a plurality of bolts.

3. An aeroengine turbine overspeed detection signal conditioner according to claim 1, characterised in that: The mounting seat (19) is composed of a fixing seat (24) and a pressing plate (25), the fixing seat (24) is fixedly connected to the side edge of the AEC mounting base plate (17), a mounting clamping groove (26) is formed in the side of the fixing seat (24) away from the AEC mounting base plate (17), a buffer pad one (27) is fixedly arranged on the inner side wall of the mounting clamping groove (26), a buffer pad two (28) is fixedly arranged on the side of the pressing plate (25) close to the fixing seat (24), and the PCI board body (18) is clamped between the buffer pad one (27) and the buffer pad two (28).

4. An aeroengine turbine overspeed detection signal conditioner according to claim 1, characterised in that: The inside of the conditioning box shell (1) is provided with an electromagnetic shielding metal interlayer one (29), the inside of the conditioning box cover plate (2) is provided with an electromagnetic shielding metal interlayer two (30), the power filter (11) is installed near the position of the input power connector, the power cord uses a power cord with a shielding layer, and the shielding layers at both ends of the power cord are connected with the conditioning box shell (1), so that the equipment has sufficient electromagnetic compatibility.

5. An aeroengine turbine overspeed detection signal conditioner according to claim 1, characterised in that: The conductive sealing assembly (12) is composed of an L-shaped conductive sealing ring (31), a rectangular conductive sealing ring one (32), a rectangular conductive sealing ring two (33) and a rectangular sealing ring (34), the L-shaped conductive sealing ring (31), the rectangular conductive sealing ring one (32), the rectangular conductive sealing ring two (33) and the rectangular sealing ring (34) are all connected between the conditioning box shell (1) and the conditioning box cover plate (2), the vertical section of the L-shaped conductive sealing ring (31), the rectangular conductive sealing ring one (32) and the rectangular conductive sealing ring two (33) are all flat structures, and the vertical section of the rectangular sealing ring (34) is a circular structure.

6. An aeroengine turbine overspeed detection signal conditioner according to claim 5, characterised in that: The top end of the conditioning box shell (1) is fixedly provided with a rectangular convex ring (35), the side edge of the top end of the rectangular convex ring (35) is provided with an arc-shaped groove (36) matched with the rectangular sealing ring (34), the side edge of the bottom end of the conditioning box cover plate (2) is provided with a rectangular recess (37) matched with the rectangular convex ring (35), the side edge of the top end of the conditioning box shell (1) is provided with a rectangular water seepage groove (38), and the top end of the inside of the conditioning box shell (1) is provided with a plurality of drainage through grooves (39) in communication with the rectangular water seepage groove (38).

7. An aeroengine turbine overspeed detection signal conditioner according to claim 1, characterised in that: The heat dissipation mechanism (14) is composed of a heat dissipation box body (40), a heat dissipation fan group (41), a heat conduction assembly (42) and a heat dissipation assembly (43), the heat dissipation box body (40) is fixedly connected to one end of the conditioning box shell (1), the heat dissipation fan group (41) is fixedly connected to one end of the top of the heat dissipation box body (40), the heat conduction assembly (42) is penetratingly connected between the heat dissipation box body (40) and the conditioning box shell (1) and is connected in cooperation with the PCI bus board (7), the PCI board assembly I (8), the signal simulation board (13), the PCI board assembly II (9) and the PCI board assembly III (10), and the heat dissipation assembly (43) is fixedly connected to the top end of the heat dissipation box body (40) and is fixedly connected with the heat conduction assembly (42).

8. An aeroengine turbine overspeed detection signal conditioner box according to claim 7, characterised in that: The heat conducting component (42) is composed of a combined heat pipe (44) and several copper heat conducting bases (45), the copper heat conducting base (45) is sleeved on one end of the combined heat pipe (44) and is fixedly connected with the same, the copper heat conducting base (45) is connected with the heat generating elements on the PCI bus board (7), the PCI board assembly I (8), the signal simulation board (13), the PCI board assembly II (9) and the PCI board assembly III (10) through heat conducting silicone grease, the heat dissipation component (43) is composed of a heat dissipation plate (46), several heat dissipation capillary tubes (47) and a heat conducting connecting sleeve (48), the heat conducting connecting sleeve (48) is sleeved on the other end of the combined heat pipe (44) and is fixedly connected with the same, the heat dissipation plate (46) is fixedly connected to the top end of the heat conducting connecting sleeve (48), and the heat dissipation capillary tubes (47) are fixedly connected to the top end of the heat dissipation plate (46).

9. An aeroengine turbine overspeed detection signal conditioner according to claim 8, characterised in that: The combined heat pipe (44) is composed of a horizontal heat pipe (49), a vertical heat pipe one (50) and a vertical heat pipe two (51), the vertical heat pipe one (50) and the vertical heat pipe two (51) are fixedly connected to one end of the top of the horizontal heat pipe (49) and are communicated with the same, the inside of the horizontal heat pipe (49) is filled with evaporation liquid, the bottom end of the inside of the horizontal heat pipe (49) is provided with a horizontal liquid absorbing core (52), the inner side walls of the vertical heat pipe one (50) and the vertical heat pipe two (51) are fixedly provided with hollow cylindrical liquid absorbing cores (53), and the bottom ends of the hollow cylindrical liquid absorbing cores (53) are connected with the horizontal liquid absorbing core (52) through the liquid absorbing connecting strips (54).

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