CN209896505U - Power distribution circuit breaker box for aircraft engine test stand - Google Patents
Power distribution circuit breaker box for aircraft engine test stand Download PDFInfo
- Publication number
- CN209896505U CN209896505U CN201920822289.3U CN201920822289U CN209896505U CN 209896505 U CN209896505 U CN 209896505U CN 201920822289 U CN201920822289 U CN 201920822289U CN 209896505 U CN209896505 U CN 209896505U
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- box body
- circuit breaker
- aircraft engine
- engine test
- wire
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Abstract
The utility model relates to an aircraft engine test field, a distribution circuit breaker box for aircraft engine test bench, the input and the output of its circuit breaker are located the inside of box body, the line bank is installed on the backplate of box body, and the line bank is located the position in the box body open terminal surface near to in the box body region's outside, the inner wall of the side panel of box body is equipped with the brace rod that is used for strengthening box body intensity, and this brace rod is seted up towards box body both ends face, and each be equipped with two brace rods on the curb plate, install respectively on the both sides brace rod on one side at the both ends of bunch frame, make curb plate, bunch frame and brace rod enclose synthetic pencil restraint space, this pencil restraint space is used for retraining the position of wire between circuit breaker output and the line bank, and it can concentrate on each functional circuit on the test bench and.
Description
Technical Field
The utility model relates to an aircraft engine test field especially provides a distribution product for aircraft engine test bench very much.
Background
The engine test bed needs a plurality of functions of an external power supply, an engine, a fuel valve and an indicator lamp to operate simultaneously in the test process of the aircraft engine, so a plurality of circuits are led out from the power supply to distribute power for each functional module, the non-centralized processing of the circuits easily causes the complex field wiring, and the safety of operators and the stability of the test bed operation are affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a distribution circuit breaker box for aircraft engine test bench, it can concentrate the processing of drawing forth to each functional line on the test bench, adds control and protection components and parts such as circuit breaker, diode simultaneously to guarantee aircraft engine test bench's normal work.
In order to achieve the above object, the utility model adopts the following technical scheme:
a distribution circuit breaker box for an aircraft engine test bed comprises a wiring bar, a box body, a plurality of circuit breakers and a wiring harness frame located in the box body, wherein the box body is of a cubic structure, at least one end face in the box body is covered by a detachable cover plate, a front panel of the box body is provided with a plurality of through holes, the circuit breakers are installed in the through holes of the front panel, the input end and the output end of each circuit breaker are located in the box body, buttons corresponding to the input ends of the circuit breakers are located outside the box body, the wiring bar is installed on a back plate of the box body, and the outside of the area of the box body is close to the position in the open end face of;
the inner wall of the side plate of the box body is provided with support ribs for enhancing the strength of the box body, the support ribs are arranged towards the two end faces of the box body, each support rib is arranged on the side plate, the two ends of the wire bundling frame are respectively arranged on the support ribs on the two sides of one side, so that the side plate, the wire bundling frame and the support ribs enclose a wire harness restraint space, and the wire harness restraint space is used for restraining the position of a wire between the output end of the circuit breaker and the wiring board.
Preferably, the end face of the support rib is provided with a hole for mounting the panel, and a steel wire thread sleeve is arranged in the hole.
Preferably, the wire bundling frame comprises a wire bundling plate and wire bundling frame lug plates connected to two ends of the wire bundling plate, the wire bundling plate is long in strip shape, the wire bundling frame and the wire bundling frame lug plates form a step structure to enable the wire bundling frame to be in a shape like a Chinese character 'ji', and the wire bundling frame is mounted at the top of the protrusion of the support rib through the wire bundling frame lug plates.
Preferably, the box body is internally provided with a bus bar for electrically connecting the output ends of the circuit breakers, the bus bar is provided with a through hole, and the bus bar is arranged at the output end of the circuit breaker through the through hole to connect the input ends of the circuit breakers in parallel.
Preferably, the side wall of the back plate is provided with a mounting frame, the mounting frame is provided with a plurality of diodes, the input ends of the diodes are used for being electrically connected with the output ends of the circuit breakers, and the output ends of the diodes are used for being electrically connected with the wiring ends of the wiring bank.
Preferably, the mounting frame comprises a long-strip-shaped mounting part and mounting frame ears positioned on two sides of the mounting part, the mounting part and the mounting frame ears form a shape like a Chinese character 'ji', and a plurality of diode mounting holes used for mounting the diodes are formed in the mounting part.
Preferably, the diode mounting holes on the mounting portion are arranged in a straight line.
Preferably, the box body is an aluminum alloy 7075 or aluminum alloy 2A12 plate which is subjected to sulfuric acid anodic oxidation treatment.
Preferably, the mounting frame and the wire harness frame are both epoxy phenolic laminated glass cloth plates.
Use the utility model discloses a beneficial effect is:
this distribution circuit breaker box is concentrated the processing of drawing forth of circuit on to the test bench, and this distribution circuit breaker box compact structure adds control protection components and parts such as circuit breaker, diode simultaneously, and this distribution circuit breaker box stable in structure has advantages such as certain heat resistance, corrosion resistance are good, workable. The box body is designed according to the installation environment of the test bed, and the environmental requirement of rainwater dripping is met.
Drawings
Fig. 1 is a schematic structural view of a power distribution circuit breaker box for an aircraft engine test stand.
Fig. 2 is a schematic diagram of a box-in-box structure of a distribution circuit breaker box for an aircraft engine test stand.
Fig. 3 is a schematic view of a mounting bracket structure in a power distribution circuit breaker box for an aircraft engine test stand.
Fig. 4 is a schematic diagram of a structure of a wire harness rack in a distribution breaker box for an aircraft engine test stand.
Fig. 5 is a schematic diagram of a wiring block configuration in a distribution breaker box for an aircraft engine test stand.
FIG. 6 is a schematic view of a nameplate structure in a distribution circuit breaker box for an aircraft engine test stand.
Fig. 7 is a schematic diagram of a short bus bar configuration in a distribution breaker box for an aircraft engine test stand.
Fig. 8 is a schematic view of a long bus bar structure in a distribution breaker box for an aircraft engine test stand.
Fig. 9 is a schematic diagram of a circuit breaker configuration in a distribution circuit breaker box for an aircraft engine test stand.
Fig. 10 is a schematic diagram of a diode configuration in a distribution breaker box for an aircraft engine test stand.
Fig. 11 is a schematic diagram of the circuitry in the power distribution circuit breaker box for an aircraft engine test stand.
The reference numerals include:
1-box body, 11-front panel, 12-back panel, 13-side panel, 14-support rib, 2-mounting frame, 21-mounting part, 22-mounting frame ear, 23-diode mounting hole, 3-wire harness frame, 31-wire harness plate, 32-wire harness frame ear plate, 4-wiring bar, 41-wiring bar main body, 42-wiring board ear plate, 5-nameplate, 6-short bus bar, 7-long bus bar, 8-breaker and 9-diode.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
As shown in fig. 1 to 11, a power distribution circuit breaker box for an aircraft engine test bed comprises a wiring bar 4, a box body 1, a plurality of circuit breakers 8 and a wire harness frame 3 located in the box body 1, wherein the box body 1 is of a cubic structure, at least one end face of the box body 1 is covered by a detachable cover plate, a front panel 11 of the box body 1 is provided with a plurality of through holes, the circuit breakers 8 are installed in the through holes of the front panel 11, the input ends and the output ends of the circuit breakers 8 are located inside the box body 1, the wiring bar 4 is installed on a back panel 12 of the box body 1, and the wiring bar 4 is located outside the box body 1 area and close to the position in the open end face of;
the inner wall of the side plate 13 of the box body 1 is provided with support ribs 14 for enhancing the strength of the box body 1, the support ribs 14 are arranged towards the two end faces of the box body 1, each side plate 13 is provided with two support ribs 14, the two ends of the wire harness frame 3 are respectively arranged on the support ribs 14 on the two sides of one side, so that the side plates 13, the wire harness frame 3 and the support ribs 14 enclose a wire harness restraint space, and the wire harness restraint space is used for restraining the position of a wire between the output end of the breaker 8 and the wiring bar 4.
The end face of the support rib 14 is provided with a hole site for mounting the panel, and a steel wire thread sleeve is arranged in the hole site.
The wire bundling frame 3 comprises a wire bundling plate 31 and wire bundling frame lug plates 32 connected to two ends of the wire bundling plate 31, the wire bundling plate 31 is long-strip-shaped, the wire bundling frame 3 and the wire bundling frame lug plates 32 form a step structure, the wire bundling frame 3 is enabled to be in a shape like a Chinese character 'ji', and the wire bundling frame 3 is installed on the protruding top of the supporting rib 14 through the wire bundling frame lug plates 32.
The box body 1 is also internally provided with a bus bar for electrically connecting the output end of the breaker 8, and the bus bar is provided with a through hole and is arranged at the output end of the breaker 8 through the through hole.
The side wall of the back plate 12 is provided with a mounting frame 2, a plurality of diodes 9 are arranged on the mounting frame 2, the input ends of the diodes 9 are used for being electrically connected with the output ends of the circuit breakers 8, and the output ends of the diodes 9 are used for being electrically connected with the wiring ends of the wiring bank 4.
The mounting frame 2 comprises a long strip-shaped mounting part 21 and mounting frame lugs 22 positioned on two sides of the mounting part 21, the mounting part 21 and the mounting frame lugs 22 form a shape like a Chinese character 'ji', and a plurality of diode mounting holes 23 used for mounting the diodes 9 are formed in the mounting part 21. The diode mounting holes 23 on the mounting portion 21 are aligned in a straight line.
The box body 1 is an aluminum alloy 7075 or aluminum alloy 2A12 plate which is subjected to sulfuric acid anodic oxidation treatment. The mounting frame 2 and the wire harness frame 3 are both epoxy phenolic aldehyde laminated glass cloth plates.
The panel for closing the open side of the box body 1 is of a concave structure, the panel is arranged on the open side of the box body 1 in an inverted mode, and a gap is formed between the panel and the back plate 12 and is opposite to the wiring ends of the wiring block 4.
Example 1
Referring to fig. 1 to 10, the distribution breaker box for the aircraft engine test bed comprises a box body 1, a mounting frame 2, a wire bundling frame 3, a wiring bar 4, a nameplate 5, a short bus bar 6, a long bus bar 7, a breaker 8 and a diode 9. The box body 1 is internally provided with a mounting frame 2, a wire harness frame 3 and a breaker 8. The mounting frame 2 is mounted inside the rear wall plate of the box body 1 and used for mounting the diode 9; the bundling wire frames 3 are arranged on the left side wall and the right side wall of the box body 1 and are used for bundling wires in the box body 1; the breaker 8 is arranged on the front panel 11 of the box body 1 from the inside of the box body 1, is divided into an upper row and a lower row, and is connected in parallel by the long bus bar 5 and the short bus bar 6 respectively. The wiring row 4 is installed on the outside back wallboard of box body 1, and data plate 5 is installed in the outside right side wall of box body 1.
The box body 1 is used for supporting and protecting the whole product, so that the aluminum alloy 7075 with the advantages of high strength, good wear resistance, strong corrosion resistance and oxidation resistance, easy processing and the like is selected. The surface treatment adopts sulfuric acid anodic oxidation, an oxidation film generated by the treatment mode has excellent wear resistance and corrosion resistance, is easy to adsorb dye, has good coloring effect, considers the problems of the working environment (rain) of a product and a processing procedure, and adopts an all-in-one mode. Except that the wall thickness of the left side plate 13 and the right side plate 13 is 2mm, the wall thickness of the rest surfaces is 3mm, and the requirement of the structural strength of the product can be met. A front panel 11 on the front surface of the box body 1 is provided with a phi 11.5mm mounting hole and a phi 3mm positioning hole according to the size of the breaker 8, and 9 breakers 8 are mounted. The box body 1 is internally provided with 4 support ribs 14 in the processing process, M4 threaded holes are formed in the two directions perpendicular to the support ribs 14 and along the support ribs 14 and are respectively used for installing the bundling frame 3 and the box cover, the aluminum alloy material is low in thread strength, the connection part of the aluminum alloy material and the box cover is stressed greatly and is detached for more times, and a steel wire thread sleeve is installed in the threaded hole along the direction of the support ribs 14. The installation frame 2 is installed in the inside processing phi 4.2mm hole of box body 1 installation face, and installation face outside trompil installation wiring row 4 opens phi 5.5mm through-hole as the product mounting hole at four diagonal angles of box body 1 installation face. A hole is formed in the right side of the box body 1, and a nameplate 5 is installed in a riveting mode.
The mounting frame 2 is used for mounting and supporting the diode 9, and the diode 9 and the breaker 8 are respectively insulated from the box body 1, so that an epoxy phenolic aldehyde laminated glass cloth plate (EPGC201) with high strength and good insulating property is selected, and the machining mode is adopted. Four phi 4.2mm through holes are used for installing the mounting frame 2 and the box body 1 of the breaker 8, and four phi 8.2mm through holes are used for installing the mounting frame 2 and the diode 9.
The bundling wire frame 3 is used for bundling the conducting wires, and the epoxy phenolic aldehyde laminated glass cloth plate (EPGC201) with high strength and good insulating property is still selected as the material. Because the wires are bound by cotton silk threads, an operation space with the height of 10mm is reserved below the mounting frame 2. 2 mounting holes with the diameter of 4.2mm are processed at the corresponding positions of the wire harness frame 3 according to threaded holes which are vertical to the supporting ribs 14 in the box body 1 of the breaker 8.
The wiring row 4 is used for leading in and leading out a lead from the wiring column of the wiring row 4 to connect internal devices. The terminal block body 41 is mounted on the back plate 12 by terminal block lugs 42 on both sides.
The name plate 5 is used for identifying product information such as name, model number, batch number and the like.
The short bus bars 6 serve to distribute the main current to the individual branches. The short bus bar 6 is made of a pure copper plate with good plasticity and conductivity, the surface of the pure copper plate is plated with nickel, the nickel layer has good three-proofing performance, strong environment resistance and attractive appearance, and the pure copper plate plays a certain role in protecting the copper material, and the machining mode is machining. The short bus bar 6 is sized by the relationship between the current and the cross-sectional area of the copper conductive bar. Therefore, an asymmetric hole opening mode is adopted, and the distance between the centers of the holes and one side of the short bus bar 6 is 4 mm.
The long bus bar 7 functions to distribute the main current to the respective branches. The copper plate with good plasticity and conductivity is selected, the surface is plated with nickel, the nickel layer has good three-proofing performance, strong environment resistance and beautiful appearance, and the copper plate is protected by a certain amount, and the machining mode is adopted. The size of the long bus bar 7 is determined by the relationship between the current and the cross-sectional area of the copper busbar. In order to avoid interference between the long bus bar 7 and the breaker 8 during installation, an asymmetric hole opening mode is adopted, the distance between the center of the hole and the short bus bar 6 is 4mm, and the size of the hole is phi 4.5 mm.
The circuit breakers 8 are divided into two types, the specification is 5A and the specification is 10A, 5A circuit breakers are selected according to the current of each line, an external power supply, a power supply indicator, a booster pump, an indicator light and a relay alarm output 5 paths, 10A circuit breakers are selected for a fuel valve, an ignition circuit and an engine circuit, PP13 indication and PP11 indication are used for bus bar indication, and circuit breakers are not needed.
In the embodiment, the diode 9 is used for two paths of the fuel valve and the engine, so that the function of other modules is prevented from being damaged by reverse connection of a power supply.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a distribution circuit breaker box for aircraft engine test bench which characterized in that: the wiring board comprises a wiring bar, a box body, a plurality of circuit breakers and a wiring harness frame located in the box body, wherein the box body is of a cubic structure, at least one end face in the box body is covered by a detachable cover plate, a plurality of through holes are formed in a front panel of the box body, the circuit breakers are installed in the through holes of the front panel, the input end and the output end of each circuit breaker are located in the box body, the wiring bar is installed on a back panel of the box body, and the outside of the area of the box body is close to the position in the open end face of the box;
the inner wall of the side plate of the box body is provided with support ribs for enhancing the strength of the box body, the support ribs are arranged towards the two end faces of the box body, each support rib is arranged on the side plate, the two ends of the wire bundling frame are respectively arranged on the support ribs on the two sides of one side, so that the side plate, the wire bundling frame and the support ribs enclose a wire harness restraint space, and the wire harness restraint space is used for restraining the position of a wire between the output end of the circuit breaker and the wiring board.
2. A power distribution circuit breaker cassette for an aircraft engine test stand as defined in claim 1, wherein: and the end face of the support rib is provided with a hole site for mounting the panel, and a steel wire thread sleeve is arranged in the hole site.
3. A power distribution circuit breaker cassette for an aircraft engine test stand as defined in claim 1, wherein: the wire bundling frame comprises a wire bundling plate and wire bundling frame lug plates connected to two ends of the wire bundling plate, the wire bundling plate is long-strip-shaped, the wire bundling frame and the wire bundling frame lug plates form a step structure, the wire bundling frame is made to be in a shape like a Chinese character 'ji', and the wire bundling frame is installed at the top of the protrusions of the supporting ribs through the wire bundling frame lug plates.
4. A power distribution circuit breaker cassette for an aircraft engine test stand as defined in claim 1, wherein: still have in the box body and be used for making circuit breaker output electric connection's busbar, this busbar has the through-hole, and the busbar passes through the through-hole and installs the output at the circuit breaker, makes the parallelly connected of input of circuit breaker.
5. A power distribution circuit breaker cassette for an aircraft engine test stand according to any one of claims 1 to 4, wherein: the side wall of the back plate is provided with a mounting rack, the mounting rack is provided with a plurality of diodes, the input ends of the diodes are used for being electrically connected with the output end of the circuit breaker, and the output ends of the diodes are used for being electrically connected with the wiring end of the wiring bar.
6. A power distribution circuit breaker cassette for an aircraft engine test stand as defined in claim 5, wherein: the mounting bracket includes long banding installation department and the mounting bracket ear that is located the installation department both sides, installation department and mounting bracket ear form "nearly" font, are equipped with the diode mounting hole that is equipped with a plurality of on the installation department and is used for installing the diode.
7. A power distribution circuit breaker cassette for an aircraft engine test stand as defined in claim 6, wherein: the diode mounting holes on the mounting portion are arranged in a straight line.
8. A power distribution circuit breaker cassette for an aircraft engine test stand as defined in claim 1, wherein: the box body is an aluminum alloy 7075 or aluminum alloy 2A12 plate which is subjected to sulfuric acid anodic oxidation treatment.
9. A power distribution circuit breaker cassette for an aircraft engine test stand as defined in claim 5, wherein: the mounting frame and the wire harness frame are both epoxy phenolic aldehyde laminated glass cloth plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822289.3U CN209896505U (en) | 2019-06-03 | 2019-06-03 | Power distribution circuit breaker box for aircraft engine test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822289.3U CN209896505U (en) | 2019-06-03 | 2019-06-03 | Power distribution circuit breaker box for aircraft engine test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209896505U true CN209896505U (en) | 2020-01-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920822289.3U Expired - Fee Related CN209896505U (en) | 2019-06-03 | 2019-06-03 | Power distribution circuit breaker box for aircraft engine test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209896505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466718A (en) * | 2020-11-03 | 2021-03-09 | 中国直升机设计研究所 | Circuit breaker device capable of being quickly disassembled and assembled and providing state display and assembling method |
-
2019
- 2019-06-03 CN CN201920822289.3U patent/CN209896505U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466718A (en) * | 2020-11-03 | 2021-03-09 | 中国直升机设计研究所 | Circuit breaker device capable of being quickly disassembled and assembled and providing state display and assembling method |
| CN112466718B (en) * | 2020-11-03 | 2022-11-04 | 中国直升机设计研究所 | Circuit breaker device capable of being quickly disassembled and assembled and providing state display and assembling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 |