CN109037964B

CN109037964B - Communication antenna and automobile charging pile equipment applying same

Info

Publication number: CN109037964B
Application number: CN201810867066.9A
Authority: CN
Inventors: 刘伟; 高永忠; 徐成峰; 吴问天; 黄胡瑞; 朱才兵
Original assignee: Jiangsu Qianlima Stockings Co ltd
Current assignee: JIANGSU QIANLIMA STOCKINGS Co.,Ltd.
Priority date: 2016-11-07
Filing date: 2016-11-07
Publication date: 2021-08-03
Anticipated expiration: 2036-11-07
Also published as: CN109037964A; CN108973743A; CN106394298B; CN108995554A; CN110014904A; CN108973742A; CN106394298A; CN108973743B

Abstract

The invention discloses a communication antenna and automobile charging pile equipment applying the same, wherein the communication antenna comprises a clip-shaped base, a middle plate and a branch rod; one end of the middle plate is pivoted with one end of the base, and the other end of the middle plate is pivoted with the branch rod; the middle plate is provided with a clamping groove for placing the branch; a wire cavity and a charging handle are arranged in the branch rod, a telescopic charging wire is arranged in the wire cavity, and the charging wire is electrically connected with the charging handle; the middle plate outside is equipped with wireless generating device that charges, the middle plate outside still is equipped with the induction system of the wireless receiving device that charges on the auto-induction car, induction system and treater signal connection. When the folding type folding table is not needed to be used, the folding type folding table can be folded and retracted, and when the folding type folding table is needed to be used, the folding type folding table can be turned over only by remote control to be erected. In addition, the wireless charging is integrated into the middle plate, two functions of wireless charging and common power supply charging are achieved, and the wireless charging and common power supply charging device is more ingenious.

Description

Communication antenna and automobile charging pile equipment applying same

Technical Field

The invention relates to a communication antenna and automobile charging pile equipment using the same.

Background

At present, fill electric pile all to establish by the parking stall, not only occupy the resource many, be knocked down easily moreover, cause the electric leakage accident, consequently, if there is a money to fill electric pile and can fold when not using and withdraw, will solve big problem.

Disclosure of Invention

The invention aims to overcome the defects and provide a wireless and wired dual-purpose automobile charging pile device.

In order to achieve the purpose, the invention adopts the following specific scheme: a wireless and wired dual-purpose automobile charging pile device comprises a clip-shaped base, a middle plate and branch rods; one end of the middle plate is pivoted with one end of the base, and the other end of the middle plate is pivoted with the branch rod; the middle plate is provided with a clamping groove for placing the branch; a wire cavity and a charging handle are arranged in the branch rod, a telescopic charging wire is arranged in the wire cavity, and the charging wire is electrically connected with the charging handle; the servo motor also comprises a first servo motor and a second servo motor;

the first servo motor is used for driving the branch rods to turn out of the clamping grooves of the middle plate and driving the branch rods to turn back into the clamping grooves; the second servo motor is used for driving the middle plate to be turned back into the base; an intelligent remote control circuit is arranged in the middle plate and comprises a processor and a communication device in signal connection with the processor; the first servo motor and the second servo motor are in signal connection with the processor;

the middle plate outside is equipped with wireless generating device that charges, the middle plate outside still is equipped with the induction system of the wireless receiving device that charges on the auto-induction car, induction system and treater signal connection.

The intelligent remote control circuit further comprises an electronic switch used for switching off a power supply of the charging pile, and the electronic switch is in signal connection with the processor.

Wherein, the outside of the middle plate is provided with a standby charging port.

The free end of the branch is provided with a charging indication LED lamp used for indicating the charging state, and the charging indication LED lamp is in signal connection with the processor.

The communication device comprises a communication chip and a communication antenna; the communication antenna comprises a rectangular reflecting plate, wherein two symmetrically arranged sub-radiation belts are arranged on the reflecting plate, each sub-radiation belt comprises a bottom arm in an isosceles triangle shape, the obtuse angle of each bottom arm faces to the center of the reflecting plate, a rectangular middle arm extends upwards from the bottom edge of each bottom arm, and a V-shaped angle is inwards arranged at one side of each middle arm, which is far away from the bottom arm; the lower arm is provided with a rectangular upper arm extending upwards from the bottom edge of the upper arm; the upper arm is connected with the V-shaped angle through a strip line; the middle arm is provided with two symmetrical first hollow radiation belts distributed on two sides of the middle arm; the first hollow radiation belt comprises a first rectangular hollow hole and a plurality of second rectangular hollow holes extending from the first rectangular hollow hole to the center of the middle arm; the middle arm is also provided with an L-shaped hollow belt; and a third rectangular hollow hole is formed in the middle of the bottom arm, and two symmetrical T-shaped rods extend downwards from the inner edge of the third rectangular hollow hole.

A plurality of rectangular fourth rectangular hollow holes are formed in the top arm in an arrayed mode; the upper ends of the two sides of the middle arm are respectively provided with a semicircular decoupling hole which is inwards sunken; rectangular depressions are formed in the two sides of the upper longitudinal arm of the L-shaped hollow belt and the side, close to the longitudinal arm, of the cross arm; a semicircular decoupling arm extends upwards from the other inner edge of the third rectangular hollow hole.

The invention has the beneficial effects that: when the folding type folding table is not needed to be used, the folding type folding table can be folded and retracted, and when the folding type folding table is needed to be used, the folding type folding table can be turned over only by remote control to be erected. In addition, the wireless charging is integrated into the middle plate, two functions of wireless charging and common power supply charging are achieved, and the wireless charging and common power supply charging device is more ingenious.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a fold-over schematic of the present invention;

FIG. 3 is a top view of the communications antenna of the present invention;

FIG. 4 is a schematic diagram of the construction of a sub-radiating strip of the present invention;

FIG. 5 is a rear view of the reflector plate of the present invention;

fig. 6 is a graph of return loss performance for a communications antenna of the present invention.

Fig. 7 is a polar E-plane pattern of the present communication antenna.

Fig. 8 is a polar H-plane pattern of the present communication antenna.

The reference numerals in fig. 1 to 8 illustrate:

1-a base; 2-middle plate; 21-card slot; 3-branch; 31-a charging handle; 4-charge indicator LED lights; 5-a wireless charging generation device; 6-an induction device;

p1-reflective sheet; p 2-microstrip in a shape of Chinese character 'hui';

n1-bottom arm; n11-third rectangular hollowed-out hole; N12-T bar; n2-middle arm; n21-decoupling holes; n22-first rectangular hollowed-out hole; n23-second rectangular hollowed-out hole; N24-L-shaped hollow-out belt; n3-upper arm; n4-top arm.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

Example 1.

As shown in fig. 1 to 8, the wireless and wired dual-purpose vehicle charging pile device of the present embodiment includes a clip-shaped base 1, a middle plate 2 and branches 3; one end of the middle plate 2 is pivoted with one end of the base 1, and the other end of the middle plate 2 is pivoted with the branch rod 3; the middle plate 2 is provided with a clamping groove 21 for placing the branch rod 3; a wire cavity and a charging handle 31 are arranged in the branch rod 3, a telescopic charging wire is arranged in the wire cavity, and the charging wire is electrically connected with the charging handle; the servo motor also comprises a first servo motor and a second servo motor; the first servo motor is used for driving the branch rods 3 to be turned over from the clamping grooves 21 of the middle plate 2 and driving the branch rods 3 to be turned back into the clamping grooves 21; the second servo motor is used for driving the middle plate 2 to be turned back into the base 1; an intelligent remote control circuit is arranged in the middle plate 2, and comprises a processor and a communication device in signal connection with the processor; the first servo motor and the second servo motor are in signal connection with the processor; when not in use, the branch rod 3 is bent back into the clamping groove 21, and the middle plate 2 is folded into the base 1; the recycling is realized, the anti-theft and height-reducing anti-collision effects are realized when the automobile is not used, the automobile can be lifted when the automobile is used, and the height is proper; two at a time, wherein the raising and lowering may be controlled by communication means.

Example 2.

The outer side of the middle plate 2 is provided with a wireless charging generation device 5, the outer side of the middle plate 2 is also provided with an induction device 6 of the wireless charging generation device on the auto-induction automobile, and the induction device 6 is in signal connection with the processor. This mode becomes the mode of filling electric pile and the two unifications of wireless base 1 of charging with this structure, when sensing the car and having wireless charging, does not rise, and the car directly travels to covering base 1, realizes wireless charging, when ordinary plug-in car, can realize rising, realizes ordinary charging.

This embodiment a wireless, wired dual-purpose car fill electric pile equipment, intelligent remote control circuit is still including the electronic switch that is used for the shutoff to fill electric pile power, electronic switch and treater signal connection. This embodiment a wireless, wired dual-purpose car fill electric pile equipment, the 2 outsides of medium plate are equipped with reserve mouth that charges.

This embodiment a wireless, wired dual-purpose car fill electric pile equipment, the free end of branch pole 3 is equipped with one and is used for instructing charge status's charge indication LED lamp 4, charge indication LED lamp 4 and treater signal connection.

According to the wireless and wired dual-purpose automobile charging pile equipment, the communication device comprises a communication chip and a communication antenna; the communication antenna comprises a rectangular reflecting plate P1, two symmetrically arranged sub-radiating belts are arranged on the reflecting plate P1, each sub-radiating belt comprises a bottom arm N1 in an isosceles triangle shape, the obtuse angle of the bottom arm N1 faces to the center of the reflecting plate P1, a rectangular middle arm N2 extends upwards from the bottom edge of the bottom arm N1, and a V-shaped angle is inwards arranged on one side, far away from the bottom arm N1, of the middle arm N2; the lower arm N3 is provided with a rectangular top arm N4 extending upwards from the bottom edge of the upper arm N3; the upper arm N3 is connected with the V-shaped corner through a strip line; the middle arm N2 is provided with two symmetrical first hollow radiation belts which are distributed on two sides of the middle arm N2; the first hollow radiation belt comprises a first rectangular hollow hole N22 and a plurality of second rectangular hollow holes N23 extending from the first rectangular hollow hole N22 to the center of the middle arm N2; an L-shaped hollow belt N24 is further arranged on the middle arm N2; a third rectangular hollow hole N11 is formed in the middle of the bottom arm N1, and two symmetrical T-shaped rods N12 extend downwards from the inner edge of the third rectangular hollow hole N11. When feeding, feeding is performed from the bottom arms N1; through thousands of experiments and adjustments, the antenna has the characteristic of omnidirectional radiation with variable gain, the basic working frequency band is about 2.3GHz-2.9GHz, and the optimal point is 2.45GHz, so that the antenna conforms to a 2.4GHz communication protocol; the absolute bandwidth is better than 25MHz, and the relative bandwidth is better than 0.9%. The antenna is suitable for basic requirements of novel structure, small size, good radiation characteristic, stable frequency point and radiation direction, high gain, low loss and simple structure. Referring to fig. 3, it can be seen that the working frequency band of the antenna is 2.30 to 2.9GHz, the return loss in the working frequency band is below-12 dB, the minimum return loss at 2.4GHz is about-33.1 dB, and the return loss performance of the antenna in the whole passband can meet the requirement. Referring to fig. 4 and 5, fig. 4 is an E-plane pattern and fig. 5 is an H-plane pattern. It can be seen from the figure that the antenna structure effectively suppresses the back lobe gain of the antenna, improves the antenna gain, and has excellent communication requirements.

According to the wireless and wired dual-purpose automobile charging pile equipment, a plurality of rectangular fourth rectangular hollow holes are formed in the top arm N4 in an arrayed mode; the upper ends of the two sides of the middle arm N2 are respectively inwards sunken with a semicircular decoupling hole N21; rectangular depressions are formed in the two sides of the upper side of the longitudinal arm of the L-shaped hollowed-out belt N24 and the side, close to the longitudinal arm, of the cross arm; a semi-circular decoupling arm extends upwards from the other inner edge of the third rectangular hollow-out hole N11. By designing the structure, the trend of a current loop is perfected, the rectification effect is improved, 0.5 point is reduced in return loss, the return loss at a frequency point of 2.4GHz is about 1.8, and the performance is excellent.

The back surface of the reflecting plate P1 is provided with 5-43 square-rectangular micro-strips P2 arranged in a matrix manner, and semiconductor fillers are filled in the square-rectangular micro-strips P2; by arranging the zigzag microstrip p2, the directional diagram of the antenna is more stable, the gain is increased by 10-12%, the standing-wave ratio is reduced by 0.1-4 points, and the return loss is minimum to be about-35.5 dB. The loop-shaped microstrip p2 and the antenna have left and right mutual support, when the loop-shaped microstrip p2 is arranged on the rear surfaces of other microstrip antennas, the electrical performance of other antennas is not increased, and the standing wave ratio of other antennas is increased due to coupling; therefore, the structure and the antenna have the advantage of mutual support.

Specifically, the antenna is a non-dimensional antenna, and the antenna only needs to meet the requirements in a mode of holes and holes arranged in the bending direction; however, if better stable performance is required, the specific dimensions of the antenna can be optimized as follows: the reflecting plate P1 is 10cm by 3 cm; the obtuse angle of the bottom arm N1 is 120 degrees, the two waist edges are 1.5cm, and the bottom edge is 2.6 cm; the width of the middle arm N2 is the same as the bottom edge of the bottom arm N1, the height is 3.6cm, the angle of the V-shaped angle is 120 degrees, the long bottom edge of the upper arm N3 is 2.5cm, the top short edge is 0.3cm, the oblique edge is 1.4cm, and the length and the height of the top arm N4 are 2.5cm and 0.15cm respectively; the width and the height of the first rectangular hollow-out hole N22 are 0.15cm and 2.5cm respectively; the number of the second rectangular hollow holes N23 is 11, the length is 0.22cm, and the height is 0.13 cm; the widest line width of the L-shaped hollow belt N24 is 0.15cm, the length of the cross arm is 1.15cm, and the height of the longitudinal arm is 2.2 cm; the length and the width of the third rectangular hollow hole N11 are respectively 1.3cm and 0.2 cm; the line width of the T-shaped bar N12 was 0.05cm, the longitudinal bar length was 0.18cm, and the transverse bar length was 0.4 cm. The line width of the zigzag microstrip p2 is 0.05cm, and the length and the width are 0.22cm and 0.13cm respectively;

the number of the fourth rectangular hollow holes is 20-30, the width is 0.05cm, and the height is 0.15 cm. The radius of the decoupling hole N21 is 0.22 cm; the rectangular depressions are all not required to be limited, and the radius of the semicircular decoupling arm is not more than 0.18 cm.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims

1. A communications antenna, comprising: the reflecting plate (P1) is provided with two symmetrically arranged sub-radiation belts, each sub-radiation belt comprises a bottom arm (N1) in an isosceles triangle shape, the obtuse angle of each bottom arm (N1) faces to the center of the reflecting plate (P1), a rectangular middle arm extends upwards from the bottom edge of each bottom arm (N1), and a V-shaped angle is formed inwards on one side of each middle arm, which is far away from the bottom arm (N1);

the communication antenna also comprises an isosceles trapezoid upper arm, and a rectangular top arm extends upwards from the bottom edge of the upper arm; the upper arm is connected with the V-shaped angle through a strip line; the middle arm is provided with two symmetrical first hollow radiation belts distributed on two sides of the middle arm; the first hollow radiation belt comprises a first rectangular hollow hole and a plurality of second rectangular hollow holes extending from the first rectangular hollow hole to the center of the middle arm; the middle arm is also provided with an L-shaped hollow belt; a third rectangular hollow hole is formed in the middle of the bottom arm (N1), and two symmetrical T-shaped rods extend downwards from the inner edge of the third rectangular hollow hole;

a plurality of rectangular fourth rectangular hollow holes are arranged on the top arm (N4); the upper ends of the two sides of the middle arm (N2) are respectively inwards sunken with a semicircular decoupling hole (N21); rectangular depressions are formed in the two sides of the upper side of the longitudinal arm of the L-shaped hollow belt (N24) and the side, close to the longitudinal arm, of the cross arm; the other inner edge of the third rectangular hollow hole (N11) extends upwards to form a semicircular decoupling arm.

2. The utility model provides a wireless, wired dual-purpose car fills electric pile equipment which characterized in that: the automobile charging pile equipment comprises a clip-shaped base (1), a middle plate (2) and a branch rod (3); one end of the middle plate (2) is pivoted with one end of the base (1), and the other end of the middle plate (2) is pivoted with the branch rod (3); a clamping groove (21) for placing the branch rod (3) is arranged on the middle plate (2); a wire cavity and a charging handle (31) are arranged in the branch rod (3), a telescopic charging wire is arranged in the wire cavity, and the charging wire is electrically connected with the charging handle; the servo motor also comprises a first servo motor and a second servo motor; the first servo motor is used for driving the branch rods (3) to be turned out of the clamping grooves (21) of the middle plate (2) and driving the branch rods (3) to be turned back into the clamping grooves (21); the second servo motor is used for driving the middle plate (2) to be turned back into the base (1); an intelligent remote control circuit is arranged in the middle plate (2), and comprises a processor and a communication device in signal connection with the processor; the first servo motor and the second servo motor are in signal connection with the processor;

a wireless charging generating device (5) is arranged on the outer side of the middle plate (2), an induction device (6) for automatically inducing the wireless charging receiving device on the automobile is further arranged on the outer side of the middle plate (2), and the induction device (6) is in signal connection with the processor;

the communication device comprises a communication chip and the communication antenna of claim 1.