CN212063129U

CN212063129U - Aviation distribution box

Info

Publication number: CN212063129U
Application number: CN202020646981.8U
Authority: CN
Inventors: 郭玉峰
Original assignee: Shenzhen Taiminghui Industry Co ltd
Current assignee: Shenzhen Taiminghui Industry Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-01
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to an aviation distribution box, which comprises a distribution box body, wherein a main switch and a double-display current voltmeter for detecting three-phase input voltage and current are arranged above a front panel of the distribution box body side by side, and a rhinoceros horn socket for connecting an external alternating-current three-phase power supply is arranged below the front panel; a first component switch and a first loop-out socket are arranged above the rear panel of the distribution box body in parallel, and a first group of output aviation seats are arranged below the rear panel; a second component switch and a second outlet socket are arranged above the left panel of the distribution box body in parallel, and a second group of output aerial seats are arranged below the left panel; the top of block terminal body right side board is equipped with multi-functional socket and third component switch, and the below of right side board is equipped with the output aviation seat of third group. This application will show that the setting that control unit and input/output socket are reasonable and have the overall arrangement is on four panels in the front, back, left and right of block terminal body, can effectively reduce the volume of block terminal, reduces its transportation space and cost.

Description

Aviation distribution box

Technical Field

The utility model relates to an aviation distribution technical field especially relates to an aviation distribution box.

Background

The distribution box is a low-voltage distribution box formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch.

However, in the conventional distribution box, all the display control components (the main switch, the branch switch, the current voltmeter and the like) and the input and output sockets (the rhinoceros horn socket, the loop-out socket, the output aviation seat and the like) are usually arranged on the same panel or two panels, which may cause the volume of the distribution box to be increased, and thus, the transportation space and the cost of the distribution box are high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a small, the convenient aviation block terminal of transportation.

For realizing the purpose of the utility model, the utility model adopts the following technical scheme:

an aviation distribution box comprises a distribution box body, wherein a main switch and a double-display current voltmeter for detecting three-phase input voltage and current are arranged above a front panel of the distribution box body side by side, and a rhinoceros horn socket for connecting an external alternating-current three-phase power supply is arranged below the front panel; a first component switch and a first loop-out socket are arranged above a rear panel of the distribution box body in parallel, and a first group of output aerial seats are arranged below the rear panel; a second component switch and a second outlet socket are arranged above the left panel of the distribution box body in parallel, and a second group of output aerial seats are arranged below the left panel; a multifunctional socket and a third component switch are arranged above the right panel of the distribution box body, a third output aviation seat is arranged below the right panel, wherein,

the line outlet end of the rhinoceros horn socket is respectively and electrically connected with the line inlet ends of the three groups of branch switches, the line inlet end of the first loop outlet socket, the line inlet end of the second loop outlet socket and the line inlet end of the multifunctional socket through the main switch; the outlet ends of the three groups of branch switches are correspondingly electrically connected with the inlet ends of the three groups of output aviation seats, and the double-display current voltmeter is connected with the main switch in series.

The application provides an aviation block terminal, structural at the part setting, with the setting that shows control unit (master switch, branch switch and current-voltage meter) and input/output socket (rhinoceros horn socket, encircle out socket and output aviation seat) rationally and have the overall arrangement in the front of block terminal body, the back, a left side, on four panels on the right side, than the tradition with show control unit and input/output socket setting on same one or certain two panels, its volume has reduced two thirds, weight has reduced the half, greatly reduced transportation space and cost.

In one embodiment, the first loop-out socket is a five-core 63A loop-out socket; the second outlet socket is a five-core 32A outlet socket; and the three groups of output aerial seats are 24-path 3-core 16A aerial seats.

In one embodiment, the distribution box body is further provided with a power indicator lamp and an output indicator lamp, and the power indicator lamp is connected with the main switch in series; the number of the output indicator lamps is the same as that of the three groups of the output aviation seats, and the output indicator lamps are connected with the output aviation seats in parallel.

In one embodiment, a waterproof glue box is fixedly arranged on the top of the outer surface of the distribution box body, the area of the waterproof glue box is larger than the cross-sectional area of the distribution box body, and the vertical projections of the distribution box body on the bottom surface of the waterproof glue box are located on the inner side of the edge of the waterproof glue box.

In one embodiment, the outer sides of the three groups of the component switches are provided with waterproof covers.

In one embodiment, the master switch adopts a circuit breaker with model number of NXM-160S/160A/3P; the branch switch adopts a circuit breaker with the model number of NXB-63/D321P.

Drawings

FIG. 1 is a schematic diagram illustrating a front view of an avionics distribution box body in one embodiment;

FIG. 2 is a schematic rear view of an embodiment of an avionics distribution box body;

FIG. 3 is a schematic left side view of an exemplary embodiment of an avionics distribution box body;

FIG. 4 is a right side view of an exemplary embodiment of an avionics distribution box body;

fig. 5 is a schematic diagram of the internal electrical connections of an avionics box in one embodiment.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the methods or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 4, the embodiment provides an aviation distribution box, which includes a distribution box body, a main switch 110 and a dual-display current voltmeter 120 for detecting three-phase input voltage and current are arranged above a front panel of the distribution box body side by side, and a rhinoceros horn socket 130 for connecting an external ac three-phase power supply is arranged below the front panel; a first component switch 210 and a first loop-out socket 220 are arranged above the rear panel of the distribution box body in parallel, and a first group of output aviation seats 230 are arranged below the rear panel; a second component switch 310 and a second outlet socket 320 are arranged above the left panel of the distribution box body in parallel, and a second group of output aviation seats 330 are arranged below the left panel; a multifunctional socket 410 and a third component switch 420 are arranged above the right panel of the distribution box body, a third output aviation seat 430 is arranged below the right panel, wherein,

referring to fig. 5, the three-phase live wire (L1, L2, L3), the neutral wire (N), and the ground wire (PE) are input ports for external ac three-phase power supply to be introduced, and are connected to the incoming line terminal of the rhinoceros horn socket (TYP0), and the outgoing line terminal of the rhinoceros horn socket (TYP0) is respectively connected to the incoming line terminal of the three-component switch (QB1-24), the incoming line terminal of the first looping-out socket (TYP25), the incoming line terminal of the second looping-out socket (TYP26), and the incoming line terminal of the multifunctional socket (S1) through a main switch (QB 0); the outlet end of the three-component switch (QB1-24) is correspondingly and electrically connected with the inlet end of the three-output aviation seat (TYP1-24), and the double-display current voltmeter (VA1-3) is connected with the main switch (QB0) in series.

Specifically, cornu Rhinocerotis socket (TYP0) can be 400A cornu Rhinocerotis socket; the first loop-out socket (TYP25) can be a five-core 63A loop-out socket; the second loop-out socket (TYP26) can be a five-core 32A loop-out socket; three groups of output aviation seats (TYP1-24) can adopt 24-path 3-core 16A aviation seats; the main switch (QB0) can adopt a breaker with model number of NXM-160S/160A/3P; the branch switch (QB1-24) can adopt a circuit breaker with model number NXB-63/D321P.

In this embodiment, five core 63A ring-out socket (TYP25) and five core 32A ring-out socket (TYP26) are the switching ports that switch electricity from this overall cabinet to the next cabinet; the double-display current voltmeter (VA1-3) is mainly used for detecting whether incoming call voltage is normal or not, the normal voltage value is 220-500V/50 Hz, and the magnitude of three-phase current can be detected and whether balance is kept or not during working, so that the load can be adjusted in time, and faults are avoided; the main switch (QB0) is a main brake of the power distribution cabinet, all branch switches of the power distribution cabinet are powered on, the main switch generally acts as an isolation and leakage protector, and the main switch does not perform the switching on and off of a load switch under normal conditions (except emergency special conditions); the branch switch (QB1-24) is a load switch for equipment power utilization, and can trip in case of emergency when the circuit is broken and the overload occurs, so that the equipment is safely ensured not to be damaged; the 24-path 3-core 16A aviation seat (TYP1-24) is a main interface for electrical equipment, and a connector can be waterproof, is convenient and quick to connect and plug, and is strong in stability, safe and reliable; the multi-function socket (S1) is used as an interface for maintenance or for a computer.

The theory of operation of aviation block terminal that this embodiment provided does: an external alternating-current three-phase power supply is input from a rhinoceros horn socket (TYP0), enters a main switch (QB0) of a distribution box, displays whether the power is normal or not through a double-display current voltmeter (VA1-3), passes through the main switch (QB0) to each electric equipment branch switch (QB1-24), and then enters equipment from an output aviation seat (TYP1-24) after the branch switch (QB 1-24).

It should be noted that, before the aviation distribution box provided by the embodiment is not electrified and is loaded, all the main switches (QB0) and all the sub switches (QB1-24) need to be turned off, so that the main switches and the sub switches are all kept in the off state; and connecting all the loads to be used, and electrifying after confirming that all the load lines are correct. The specific operation steps of electrifying are as follows: closing the main switch (QB0) and closing all output sub-switches (QB1-24) one by one at a time interval of about 3-5 seconds; and the power-off sequence is opposite, each output sub-switch (QB1-24) is turned off one by one, then the main switch (QB0) is turned off, the time is the same as that of power-on, multiple paths are strictly prohibited to be started and turned off simultaneously, or the main switch (QB0) is used for switching on and off.

The aviation block terminal that this embodiment provided, structural at the part setting, with display control part (master switch, branch switch and current-voltage meter) and input/output socket (rhinoceros horn socket, encircle out socket and output aviation seat) reasonable and have setting of overall arrangement in the front of block terminal body, the back, a left side, on four panels of the right side, than the tradition with display control part and input/output socket setting on same one or two certain panels, its volume has reduced two thirds, weight has reduced the half, greatly reduced transportation space and cost.

In one embodiment, referring to fig. 5, the power indicator and the output indicator are further disposed on the distribution box body, and the power indicator is connected in series with the main switch; the number of the output indicating lamps is the same as that of the three groups of output aviation seats, and the output indicating lamps are connected with the output aviation seats in parallel.

In this embodiment, the power indicator may adopt three power indicator lights (L11, L12, and L13) of yellow-green-red, which are fully on to indicate that the input line is normal (no, phase loss, poor contact, wrong connection); the output indicator lamp (GR1-24) is used for detecting whether the output aviation seat is electrified or not.

In one embodiment, referring to fig. 4, a waterproof adhesive box 500 is fixedly disposed on the top of the outer surface of the power distribution box body, the area of the waterproof adhesive box 500 is larger than the cross-sectional area of the power distribution box body, and the vertical projections of the power distribution box body on the bottom surface of the waterproof adhesive box 500 are located inside the edge of the waterproof adhesive box 500. Further, the waterproof cover 600 may be disposed at an outer side of the three-component switch.

In this embodiment, the outside that the surface of block terminal body set up waterproof glue case 500 and three component switch all sets up the waterproof performance that buckler 600 can effectively improve the block terminal body, guarantees that the block terminal can stable work under the environment that the sun drenches. Particularly, the distribution box body can be made of PE materials, is high in acid and alkali resistance, and can effectively guarantee stable work of the distribution box in high and low temperature (-40-90 ℃) sun and rain environments.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An aviation distribution box comprises a distribution box body and is characterized in that a main switch and a double-display current voltmeter for detecting three-phase input voltage and current are arranged above a front panel of the distribution box body side by side, and a rhinoceros horn socket for connecting an external alternating-current three-phase power supply is arranged below the front panel; a first component switch and a first loop-out socket are arranged above a rear panel of the distribution box body in parallel, and a first group of output aerial seats are arranged below the rear panel; a second component switch and a second outlet socket are arranged above the left panel of the distribution box body in parallel, and a second group of output aerial seats are arranged below the left panel; a multifunctional socket and a third component switch are arranged above the right panel of the distribution box body, a third output aviation seat is arranged below the right panel, wherein,

2. The aircraft electrical distribution box of claim 1, wherein said first loop-out socket is a five-core 63A loop-out socket; the second outlet socket is a five-core 32A outlet socket; and the three groups of output aerial seats are 24-path 3-core 16A aerial seats.

3. The aviation distribution box of claim 2, wherein a power indicator and an output indicator are further disposed on the distribution box body, and the power indicator is connected in series with the main switch; the number of the output indicator lamps is the same as that of the three groups of the output aviation seats, and the output indicator lamps are connected with the output aviation seats in parallel.

4. The aviation distribution box of claim 3, wherein a waterproof glue box is fixedly arranged on the top of the outer surface of the distribution box body, the area of the waterproof glue box is larger than the cross-sectional area of the distribution box body, and the vertical projection of the distribution box body on the bottom surface of the waterproof glue box is positioned on the inner side of the edge of the waterproof glue box.

5. The aircraft power distribution box of claim 4 wherein the three sets of said component switches are provided with a waterproof cover on the outside.

6. The avionics box of claim 5, wherein the master switch employs a model NXM-160S/160A/3P circuit breaker; the branch switch adopts a circuit breaker with the model number of NXB-63/D321P.