WO2018082369A1

WO2018082369A1 - Semi-closed rotating power distribution cabinet

Info

Publication number: WO2018082369A1
Application number: PCT/CN2017/098431
Authority: WO
Inventors: 胡洁维
Original assignee: 胡洁维
Priority date: 2016-11-04
Filing date: 2017-08-22
Publication date: 2018-05-11
Also published as: CN106654880B; CN106654880A

Abstract

Disclosed is a semi-closed rotating power distribution cabinet, comprising a cavity housing. A rotating motor and a rotating bearing are provided at the bottom of the cavity housing. One extremity of the rotating bearing is rotatively connected to the top extremity of the cavity housing; the other extremity is connected to a power output extremity of the rotating motor. The rotating bearing is sleeved with multiple disk-shaped power distribution apparatus shelving layers. The rotating bearing is cylindrical. Wiring through holes corresponding to the power distribution apparatus shelving layers are provided on the rotating bearing. A monitoring box is provided at the bottom of the cavity housing. A monitoring circuit is provided within the monitoring box. By means of rotation, the technical requirement for being semi-closed is implemented, requirements on external dust environment are low; moreover, because a rotating mechanism is provided, only one set of monitoring apparatus is required; and during maintenance, a rotating approach further facilitates maintenance.

Description

Semi-closed rotary power distribution cabinet

[0001] The present invention relates to a semi-closed rotary power distribution cabinet.

Background technique

[0002] At present, the traditional power distribution cabinets are all shoe-type, that is, after the door is hit, the cabinets are all super-unidirectional. This way is first cumbersome in maintenance, because the area is large, check Need to keep moving; Moreover, monitoring is also a waste of resources, you need to have a camera on each cabinet to ensure that monitoring is in place, so changing this method requires a new type of power distribution cabinet to solve the problem, and because There are many cabinet doors, it is very difficult to close, and the requirements for external dust environment are high.

technical problem

Problem solution

Technical solution

[0003] The object of the present invention is to overcome the above disadvantages and provide a semi-closed rotary power distribution cabinet

[0004] In order to achieve the above object, the specific solution of the present invention is as follows: A semi-closed rotary power distribution cabinet includes a cavity shell, a rotating electric machine and a rotary bearing are arranged at the bottom of the cavity shell; At the top end of the cavity shell, the other end is connected to the power output end of the rotating electrical machine; the rotating bearing sleeve is provided with a plurality of disc-shaped power distribution equipment resting layers; the rotating bearing is a cylinder, and the rotating bearing is provided with each a distribution hole corresponding to the shelf layer of the power distribution device; a monitoring box is arranged at the bottom of the cavity shell, and a monitoring circuit is arranged in the monitoring box, the monitoring circuit includes a camera disposed on the top surface of the cavity, a central processing unit, and anti-interference a communication antenna; the central processor is separately connected to the camera and the anti-interference communication antenna signal;

[0005] The communication circuit further includes an auxiliary monitoring device including a smoke detector, an infrared detector, a temperature detector, and an alarm, both of which are connected to the central processor signal.

[0006] wherein the outer surface of the cavity shell is coated with a waterproof layer.

[0007] wherein, there is further included an illumination LED lamp disposed on an inner wall of the cavity shell.

[0008] The anti-interference communication antenna includes a PCB dielectric reflector and two monopole microstrip radiation antennas of the same shape and oppositely disposed on the PCB dielectric reflector. [0009] wherein each of the monopole microstrip radiating antennas includes a rectangular first radiating arm, the rectangular radiating arm extends outwardly from the second radiating arm having a right-angled trapezoid; and the second radiating arm has a beveled edge a V-shaped notch; the second radiating arm is provided with a plurality of rectangular first choke holes near the edge of the PCB dielectric reflector; the second radiating arm is further connected with an L-shaped third radiating arm, the third radiating arm The free end is provided with a second V-shaped notch; the two vertical sides of the third radiating arm are respectively provided with a T-shaped first hollow rod and a T-shaped second hollow rod; the first hollow rod and the second hollow rod The tail portion is connected to each other; further comprising an L-shaped third hollow rod having the same angle as the third radiation arm; and the PCB dielectric reflector is provided with two feed sheets respectively coupled to the single-pole microstrip radiation antenna.

[0010] wherein a longitudinal block extends from the longitudinal rod of the first hollow rod, and a first concave block is recessed on both sides of the longitudinal rod of the second hollow rod; The second concave block.

Advantageous effects of the invention

Beneficial effect

[0011] By means of rotation, the semi-closed technical requirement is realized, the requirements on the external dust environment are low, and since the rotating mechanism is provided, the monitoring device only needs one set, and in the time of maintenance, the rotation mode is more Easy to repair.

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of the present invention;

2 is a power distribution device shelving layer of the present invention;

3 is a schematic structural view of an anti-jamming communication antenna of the present invention;

4 is a schematic structural view of a monopolar microstrip radiation antenna of the present invention;

5 is a data diagram of a standing wave ratio of a communication antenna of the present invention;

6 is a data diagram of return loss of a communication antenna of the present invention; [0017] FIG.

[0018] The reference numerals in FIGS. 1 to 6 illustrate:

[0019] 1-cavity shell; 11-rotary motor; 12-rotary bearing; 13-distribution equipment shelving layer; 2-monitor box; 3-camera; 4-shield shell; 5-lighting LED lamp; Detector; 62-infrared detector; 63-temperature detector;

[0020] al-PCB dielectric reflector; a2, a3-feeder; _a 4-first radiation arm; a5-second radiation arm; a51- a V-shaped notch; a52-first choke hole; a6-third radiating arm; a61-second V-shaped notch; a63-first hollow rod; a64-rectangular block; a65-second hollow rod; a concave block; a67-third hollow rod; a68-second concave block.

Embodiments of the invention

The invention is further described in detail below with reference to the drawings and specific embodiments, which are not intended to limit the scope of the invention.

[0022] As shown in FIG. 1 to FIG. 6 , a semi-closed rotary power distribution cabinet according to the embodiment includes a cavity shell 1 , and a rotary electric machine 11 and a rotary bearing are disposed at the bottom of the cavity shell 1 . 12; the rotary bearing 12 - end is rotatably connected to the top end of the cavity shell 1 , the other end is connected with the power output end of the rotary electric machine 11; the rotary bearing 12 is sleeved with a plurality of disc-shaped power distribution equipment rest layer 13 ; 12 is a cartridge, the rotary bearing 12 is provided with a wire hole corresponding to each power distribution device shelf layer 13; a monitoring box 2 is disposed at the bottom of the cavity shell 1, and a monitoring circuit is disposed in the monitoring box 2, The monitoring circuit comprises a camera 3 disposed on the top surface of the cavity, a central processing unit and an anti-interference communication antenna; the central processor is respectively connected with the camera 3 and the anti-interference communication antenna signal; and the semi-closed technology is realized by means of rotation Requirement, low requirements for external dust environment, and because of the setting of the rotating mechanism, the monitoring equipment only needs one set, and the rotation mode is more convenient for maintenance during maintenance.

[0023] The communication circuit further includes an auxiliary monitoring device including a smoke detector 61, an infrared detector 62, a temperature detector 63, and an alarm, both of which are connected to the central processor signal. Achieve a full range of multi-function testing.

[0024] In the semi-closed rotary power distribution cabinet of the embodiment, the outer surface of the cavity shell is coated with a waterproof layer; so that the invention has outdoor use conditions.

[0025] A semi-closed rotary power distribution cabinet according to the embodiment further includes an illumination LED lamp 5 disposed on the inner wall of the cavity shell 1 to realize illumination and facilitate video monitoring work.

[0026] A semi-closed type rotary power distribution cabinet according to the embodiment, the anti-interference communication antenna is disposed on an inner wall of the cavity shell 1, and further includes a shielding shell 4 covering the anti-interference communication antenna, Shielding shell 4 near rotating bearing 1

A metal separator is provided on one side of the second. Can improve the antenna anti-interference ability.

[0027] A semi-closed rotary power distribution cabinet according to the embodiment, wherein the rotating electrical machine 11 is a servo motor, The rotary electric machine 11 is connected to the central processing unit signal; the method can be simply realized, and the rotation angle is set.

It is convenient for the outside world to simply adjust which angle to observe the power distribution cabinet.

[0028] In the semi-closed rotary power distribution cabinet of the embodiment, the anti-interference communication antenna includes a PCB dielectric reflector A1 and two shapes of the same on the PCB dielectric reflector A1. Unipolar microstrip radiation antenna. Since the electric field intensity in the power distribution cabinet is strong, it is necessary to achieve a certain communication effect under the electromagnetic interference to obtain an anti-interference antenna, and therefore the antenna needs to have excellent electrical communication performance. Specifically, in the semi-closed rotary power distribution cabinet of the embodiment, each of the single-pole microstrip radiating antennas includes a rectangular first radiating arm a4, and the rectangular radiating arm extends outwardly to have a second elliptical trapezoidal shape. The first arm of the second radiating arm a5 is provided with a first V-shaped notch a51; the second radiating arm a5 is provided near the edge of the PCB dielectric reflecting plate A1 with a plurality of rectangular first blocking holes a52; The second radiating arm a5 is further connected with an L-shaped third radiating arm a6, and the third radiating arm a6 is provided with a second V-shaped notch a61 at a free end thereof; and the two vertical sides of the third radiating arm a6 are respectively provided a T-shaped first hollow rod a63 and a T-shaped second hollow rod a65; the first hollow rod a63 and the second hollow rod a65 are connected to each other; and further includes an L-shaped portion at the same angle as the third radiating arm a6 The three hollow rods a67; the PCB dielectric reflector A1 are provided with two feed sheets a2, a3 respectively coupled to the single-pole microstrip radiation antenna. Through the simulation design, the antenna is continuously adjusted to make the surface current smoother, reduce the spoiler and improve the efficiency. Since the power distribution cabinet is mostly below 1KV, the gyrator and network analyzer are used at 1 KV electric field strength. The data of the test and ESC analysis are as follows. Since the main communication frequency band of the antenna spectrum is 0.7-l.lGHz, the measured front-to-back ratio is 30.3 Odb to 34.20 dB in the whole frequency band, indicating that the gain performance is perfect in the frequency band. In addition, as shown in Figure 6, the performance of the return loss of the device is convex, which is maintained at -35dB in a wide frequency band, and the return loss is kept below -10dB in the entire high frequency band, and the average value exceeds other Similar antenna level; In addition, due to the excellent design of the structure, its standing wave ratio performance is also very good, as shown in Figure 5, the standing wave ratio in the entire frequency band is within 1.25, and some frequency bands even reach about 1.1.

[0029] In the semi-closed rotary power distribution cabinet of the embodiment, a longitudinal block a64 extends from the longitudinal rod of the first hollow rod a63, and both sides of the longitudinal rod of the second hollow rod a65 are recessed. The first recessed block a66; the second hollowed out rod a67 is provided with a second recessed block a68 on both arms; the provision of the defective block and the rectangular block a64 can further improve the current layout, so that the increased bandwidth reduces the standing wave ratio. Wherein, the number of the first blocking holes a52 is N, the length of the bottom side of the second radiating arm a5 is K, and the length of the third radiating arm a6 with the second V-shaped notch a61 The maximum length of one side is M, then 2M = K + N * the longitudinal width of the first orifice a52. The number of the first orifices a52 is eight. By calculation, as long as the formula is satisfied, the structure will reach the best reasonable level, and the performance of the antenna can be significantly increased; the gain will increase by 2-6%.

[0030] Specifically, the antenna is a non-size antenna, and the foregoing requirements are met in the manner of holes and holes provided in the bending direction; but if better stable performance is required, the specific size of the antenna can be optimized. The length and width of the first radiating arm a4 are 10 cm and 3 cm, respectively; the length of the bottom side of the second radiating arm a5 is 10 cm, the length of the top side is 2 cm, the length of the straight side is 8 cm, and the angle of the first V-shaped notch a51 is 90 degrees, and disposed at the oblique side of the second radiating arm near one third of the first radiating arm; the first choke hole a52 has a width of 2.0 cm and a height of 0.6 cm; the longitudinal arm of the third radiating arm a6 , the height is 7cm, the lateral width is 4cm; the lateral arm of the third radiating arm a6 has a longest length of 8.5cm and a width of 4cm; the second V-shaped notch a61 has an angle of 115 degrees and a side length of 2.0cm. The crossbar of the first hollow rod a63 has a line width of 0.3 cm and a length of 4 cm; the longitudinal rod of the T-shaped second hollow rod a65 has a line width of 0.3 cm and a length of 4.6 cm; the longitudinal length of the first hollow rod a63 Rod, its line width is 0.3cm, length 4.6cm; T-shaped second hollow rod a65 The crossbar has a line width of 0.3 cm and a length of 4.6 cm; the third hollow rod a67 has a line length of 0.3 cm, and both arm lengths are 4.35 cm; the feed sheets a2 and a3 are not required, and only need to be rectangular. The size of the first recessed block a66 and the second recessed block a68 are not required, and may be corrected according to actual conditions, the total length is not more than 5 cm, and the width is not more than the line width; the width of the rectangular block a64 is 3 times of the line width, and the length is not limited.

The above description is only a preferred embodiment of the present invention, and equivalent changes or modifications made to the structures, features, and principles described in the scope of the present invention are included in the protection of the present patent application. Within the scope

Claims

Claim

[Claim 1] A semi-closed rotary power distribution cabinet, comprising: a cavity shell (1), a rotating electric machine (11) and a rotary bearing (12) at the bottom of the cavity shell (1) ; rotary bearing

(12) one end is rotatably connected to the top end of the cavity shell (1), and the other end is connected to the power output end of the rotary electric machine (11); the rotary bearing (12) is provided with a plurality of disc-shaped power distribution equipment shelf layers ( 13) ; The rotary bearing (12) is a cartridge, the rotary bearing (12) is provided with a wire hole corresponding to each power distribution device shelf layer (13); the cavity shell (1) is provided with a monitoring box at the bottom (2), the monitoring box (2) is provided with a monitoring circuit, the monitoring circuit includes a camera (3) disposed on the top surface of the cavity, a central processing unit, and an anti-interference communication antenna; the central processing unit and the camera respectively (3) And the anti-interference communication antenna signal connection; the anti-interference communication antenna comprises a PCB dielectric reflector (A1) and two unipolar microstrips of the same shape and opposite directions disposed on the PCB dielectric reflector (A1) Radiation antenna; each monopolar microstrip radiation antenna includes a rectangular first radiating arm 4), the rectangular radiating arm extends outwardly from a second radiating arm having a right-angled trapezoidal shape; 5; an oblique of the second radiating arm (a5) On the side a V-shaped notch (a51); the second radiating arm (a5) is provided with a plurality of rectangular first choke holes (a52) near the edge of the PCB dielectric reflecting plate (A1); the second radiating arm (a5) is also connected An L-shaped third radiating arm (a6) having a second V-shaped notch (a61) at a free end thereof; and two vertical sides of the third radiating arm (a6) There are respectively a T-shaped first hollow rod (a63) and a T-shaped second hollow rod (a65); the first hollow rod (a63) and the second hollow rod (a65) are connected to each other; Radiation arm (a6) L-shaped third hollow rod (a67) of the same angle; the PCB dielectric reflector (A1) is provided with two feed sheets respectively coupled to the single-pole microstrip radiation antenna feed (a2) , a3).