CN105261443A - Dustproof shielded type transformer - Google Patents
Dustproof shielded type transformer Download PDFInfo
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- CN105261443A CN105261443A CN201510755579.7A CN201510755579A CN105261443A CN 105261443 A CN105261443 A CN 105261443A CN 201510755579 A CN201510755579 A CN 201510755579A CN 105261443 A CN105261443 A CN 105261443A
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Abstract
The invention discloses a dustproof shielded type transformer, which comprises a cabinet body and a communication antenna, wherein a variable voltage cavity for placing a transformer device is formed in the cabinet body; the cabinet body also comprises a circuit placement cavity; the circuit placement cavity is arranged at the upper part of the variable voltage cavity; a first hollow cavity is also arranged at the upper part of the circuit placement cavity; a second hollow cavity is also arranged at the upper part of the first hollow cavity; a communication circuit which is used for communicating with the outside is arranged in the circuit placement cavity; and the communication antenna is arranged in the second hollow cavity and is applied to the communication circuit for transmitting and receiving a signal. Through the arrangement of a cavity housing, the transformer device can be arranged in the cavity housing and is prevented from being eroded by external dust and rain.
Description
Technical field
The present invention relates to a kind of dust-proof seal transformer.
Background technology
At present, transformer is all generally direct exposed setting, so not only easily enters dust but also is easily corroded; In addition, due to the electric jamming that the alternating current of transformer produces, therefore often transformer can not attach the communication apparatus, because some electric jamming that transformer produces can disturb some common antennas, even if therefore place the communication apparatus, its communication quality is not high yet.But along with the intelligent construction of following transformer, just need the communication function that outdoor transformer needs are more perfect, therefore, the communication antenna installed on the transformer must possess good antenna performance.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, a kind of dust-proof seal transformer is provided.
For achieving the above object, concrete scheme of the present invention is as follows: a kind of dust-proof seal transformer, include cabinet, the transformation chamber for placing potential device is provided with in described cabinet, described cabinet also includes the circuit be located at above transformation chamber and shelves chamber, the top that described circuit shelves chamber is also provided with the first cavity, and the top of described first cavity is also provided with the second cavity; Described circuit shelves in chamber the telecommunication circuit be provided with for communicating with the external world, also includes the communication antenna be located in the second cavity, and described communication antenna is used for telecommunication circuit transmitting and receiving signal.
Wherein, described communication antenna includes circular pcb board, and described pcb board front is provided with the first oscillator arms of arc, also includes the second oscillator arms of the second arc, and the radius of described second oscillator arms is less than the first oscillator arms; The arc length of described first oscillator arms is greater than the arc length of the second oscillator arms; The opening of described first oscillator arms is towards the second oscillator arms, and the opening of described second oscillator arms is towards the first oscillator arms;
The arched arm center of described first oscillator arms is outward extended with the first linking arm, described first linking arm free end is laterally provided with the first radiation arm, also include parallel with the first radiation arm and be shorter in length than the second radiation arm of the first radiation arm, also include parallel with the second radiation arm and be shorter in length than the 3rd radiation arm of the second radiation arm, also include parallel with the 3rd radiation arm and be shorter in length than the 4th radiation arm of the 3rd radiation arm;
The arched arm center of described second oscillator arms is outward extended with the second linking arm, described second linking arm free end is laterally provided with the 5th radiation arm, also include parallel with the 5th radiation arm and be shorter in length than the 6th radiation arm of the 5th radiation arm, also include parallel with the 6th radiation arm and be shorter in length than the 7th radiation arm of the 6th radiation arm, also include parallel with the 7th radiation arm and be shorter in length than the 8th radiation arm of the 7th radiation arm;
Also include arc and nock towards the 3rd oscillator arms of the first oscillator arms, described 3rd oscillator arms is connected by feeder pillar with the first oscillator; Described 3rd oscillator arms extends internally out the 4th trapezoidal oscillator arms, and the top margin of described 4th oscillator arms is provided with multiple semi-circular indentation;
Also include arc and nock towards the 5th oscillator arms of the first oscillator arms, described 5th oscillator arms is connected by feeder pillar with the second oscillator; Described 5th oscillator arms extends internally out the 6th trapezoidal oscillator arms, and the top margin of described 6th oscillator arms is provided with multiple semi-circular indentation;
The back side of described pcb board is provided with two power feed hole corresponding with the first oscillator arms and the second oscillator arms respectively.
Wherein, the arc length of described 3rd oscillator arms is identical with the arc length of the 5th oscillator arms; If the arc length of the 3rd oscillator arms is L3, the arc length of the first oscillator arms is L1, and the arc length of the second oscillator arms is L2, described L1=L2+0.25L3.
Wherein, the outside of described 4th radiation arm is zigzag, and the outside of described 8th radiation arm is zigzag.
Wherein, the parasitic oscillator sheet of a circle is also provided with in described second oscillator arms.
Wherein, described first cavity is provided with a division board, and described communication antenna is located on division board, and the distance between division board and communication antenna is greater than 2cm.
Wherein, described division board is a circular metal plate, described division board is evenly provided with multiple hexagon through hole.
Wherein, the outer of described pcb board is arranged with a circle shielding ring.
Wherein, also include one end and be communicated with transformation chamber, one end is connected to the cold air duct of air-cooler in addition; Described air-cooler is used for by the cold wind of cold air duct to the conveying cooling of transformation chamber;
Wherein, also include intake stack, wind pipe and dirt and consider device, one end of intake stack is communicated with the side in transformation chamber respectively with one end of wind pipe, and the air inlet that described dirt considers device is communicated with the other end of wind pipe with the other end of intake stack respectively with gas outlet;
Wherein, the cavity inner surface in described transformation chamber is coated with metal screen layer;
Beneficial effect of the present invention is: by arranging shell cavity, makes in potential device can be located at, and from extraneous dust and rain erosion.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention;
Fig. 2 is the vertical view of communication antenna of the present invention;
Fig. 3 is the upward view of communication antenna of the present invention;
Fig. 4 is the structural representation of division board of the present invention;
Fig. 5 is the frequency range emulation testing figure that communication antenna of the present invention and separator do not conform to timing;
Fig. 6 is the frequency range emulation testing figure that communication antenna of the present invention and separator close timing;
Fig. 7 is the directional diagram of communication antenna of the present invention;
Description of reference numerals in Fig. 1 to Fig. 7:
1-cabinet; 2-transformation chamber; 3-circuit shelves chamber; 4-second cavity; 5-first cavity; 6-communication antenna; 71-air-cooler; 72-cold air duct; 81-intake stack; 82-wind pipe; 83-dirt considers device;
90-PCB plate; 95-division board;
911-first oscillator arms; 912-second oscillator arms; 913-the 3rd oscillator arms; 914-the 4th oscillator arms; 915-the 5th oscillator arms; 916-the 6th oscillator arms;
921-first linking arm; 922-second linking arm;
931-first radiation arm; 932-second radiation arm; 933-the 3rd radiation arm; 934-the 4th radiation arm; 935-the 5th radiation arm; 936-the 6th radiation arm; 937-the 7th radiation arm; 938-the 8th radiation arm;
The parasitic oscillator sheet of 941-; 942-power feed hole;
951-through hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
As shown in Fig. 1 to 7, the dust-proof seal transformer of one described in the present embodiment, include cabinet 1, the transformation chamber 2 for placing potential device is provided with in described cabinet 1, described cabinet 1 also includes the circuit be located at above transformation chamber 2 and shelves chamber 3, the top that described circuit shelves chamber 3 is also provided with the first cavity 5, and the top of described first cavity 5 is also provided with the second cavity 4; Described circuit shelves in chamber 3 telecommunication circuit be provided with for communicating with the external world, also includes the communication antenna 6 be located in the second cavity 4, and described communication antenna 6 is for telecommunication circuit transmitting and receiving signal; By arranging shell cavity, make in potential device can be located at, and from extraneous dust and rain erosion.Telecommunication circuit is prior art, is again not repeated.Because transformer electric field strength is comparatively large, therefore need communication antenna 6 to possess wider frequency range and good isolation, and directivity is optimized better and better.
The dust-proof seal transformer of one described in the present embodiment, described communication antenna 6 includes circular pcb board 90, described pcb board 90 front is provided with the first oscillator arms 911 of arc, also include the second oscillator arms 912 of the second arc, the radius of described second oscillator arms 912 is less than the first oscillator arms 911; The arc length of described first oscillator arms 911 is greater than the arc length of the second oscillator arms 912; The opening of described first oscillator arms 911 is towards the second oscillator arms 912, and the opening of described second oscillator arms 912 is towards the first oscillator arms 911;
The arched arm center of described first oscillator arms 911 is outward extended with the first linking arm 921, described first linking arm 921 free end is laterally provided with the first radiation arm 931, also include parallel with the first radiation arm 931 and be shorter in length than the second radiation arm 932 of the first radiation arm 931, also include parallel with the second radiation arm 932 and be shorter in length than the 3rd radiation arm 933 of the second radiation arm 932, also include parallel with the 3rd radiation arm 933 and be shorter in length than the 4th radiation arm 934 of the 3rd radiation arm 933;
The arched arm center of described second oscillator arms 912 is outward extended with the second linking arm 922, described second linking arm 922 free end is laterally provided with the 5th radiation arm 935, also include parallel with the 5th radiation arm 935 and be shorter in length than the 6th radiation arm 936 of the 5th radiation arm 935, also include parallel with the 6th radiation arm 936 and be shorter in length than the 7th radiation arm 937 of the 6th radiation arm 936, also include parallel with the 7th radiation arm 937 and be shorter in length than the 8th radiation arm 938 of the 7th radiation arm 937;
Also include arc and nock towards the 3rd oscillator arms 913 of the first oscillator arms 911, described 3rd oscillator arms 913 is connected by feeder pillar with the first oscillator; Described 3rd oscillator arms 913 extends internally out the 4th trapezoidal oscillator arms 914, and the top margin of described 4th oscillator arms 914 is provided with multiple semi-circular indentation;
Also include arc and nock towards the 5th oscillator arms 915 of the first oscillator arms 911, described 5th oscillator arms 915 is connected by feeder pillar with the second oscillator; Described 5th oscillator arms 915 extends internally out the 6th trapezoidal oscillator arms 916, and the top margin of described 6th oscillator arms 916 is provided with multiple semi-circular indentation;
The back side of described pcb board 90 is provided with two power feed hole 942 corresponding with the first oscillator arms 911 and the second oscillator arms 912 respectively.
By being not less than the microstrip circuit structural design of 550 times, and by under being not less than 500 l-G simulation tests and parameter adjustment, division board 95 structure finally determining above-mentioned antenna structure and coordinate with it, this antenna possesses wider frequency range and preferably isolation and directivity and gain performance when coordinating with division board 95, meet instructions for use completely, improve its communication performance.
A kind of high voltage generating station checkout gear described in the present embodiment, described first cavity 5 is provided with a division board 95, and described communication antenna 6 is located on division board 95, and the distance between division board 95 and communication antenna 6 is greater than 2cm.A kind of high voltage generating station checkout gear described in the present embodiment, described division board 95 is a circular metal plate, and described division board 95 is evenly provided with multiple hexagon through hole 951.Especially when this structural insulated panel 95 of removing or placement common metal division board 95, as Fig. 5, this beamwidth of antenna available frequency range is still up to 1.7GHz to 2.65GHz; Substantially meet the requirement of communications band, its gain is also higher, and in frequency band, average gain is greater than 8.952dBi; Meet actual use needs.The design of this shape division board 95 is also drawn by emulation and continuous EXPERIMENTAL DESIGN, wherein, screw stereo antenna is comprised when this division board 95 being placed other prior art antennas and coordinating, its matching is not high, and isolation performance strengthens not obvious, when testing ordinary antennas, this division board 95 in cooperation, average gain increases 0.01-0.15dBi or does not increase, and isolation performance is constant, and frequency range is without change.And reality test with test before emulation in can learn, test when the communication antenna 6 in this programme coordinates with the division board 95 of this programme, the bandwidth of the communication antenna 6 of this programme, isolation, gain aspect all exceed Antenna Design when not adding division board 95, and the simulation value after wherein coordinating is as Fig. 6.This integrated antenna system bandwidth available frequency range reaches 1.6GHz to 2.85GHz; Its gain also obviously increases, and in frequency band, average gain is greater than 9.4dBi, compares rising about 0.3dBi; If isolation in its isolation figure frequency band in addition, isolation performance better, as Fig. 6, can find out that in S3 isolation is greater than 25.5dB in frequency range.Its directivity, as described in Figure 7, it is omni-directional antenna.
Embodiment 2.
The dust-proof seal transformer of one described in the present embodiment, the arc length of described 3rd oscillator arms 913 is identical with the arc length of the 5th oscillator arms 915; If the arc length of the 3rd oscillator arms 913 is, the arc length of the first oscillator arms 911 is L1, and the arc length of the second oscillator arms 912912 is L2, described L1=L2+0.25L3.After arranging above-mentioned parameter restriction, found by great many of experiments and emulation, its gain is more stable, and isolation also remains on higher level.Above-mentioned parameter is constantly being tested and is drawing in adjustment, and it is the most stable and design parameter that is performance the best, and concrete actual knot HFSS15 software of testing calculates, and this total system beamwidth of antenna available frequency range is at 1.6GHz to 2.8GHz internal frequency modulation; In frequency band, average gain is greater than 9.35dBi, and impedance reduces; In frequency range, isolation is greater than 26dB; Find in reality test, the change of external environment, as temperature, influence of magnetic field change within the specific limits, the changes in amplitude of such as temperature about 10 degree, when adopting above-mentioned parameter and special value, very by force, frequency range conservation degree is better for its stability.
The dust-proof seal transformer of one described in the present embodiment, the outside of described 4th radiation arm 934 is zigzag, and the outside of described 8th radiation arm 938 is zigzag; Sawtooth is set and effectively can increases isolation.
The dust-proof seal transformer of one described in the present embodiment, is also provided with the parasitic oscillator sheet 941 of a circle, has obvious help to improving gain in described second oscillator arms 912.
The dust-proof seal transformer of one described in the present embodiment, also includes one end and is communicated with transformation chamber 2, and one end is connected to the cold air duct 72 of air-cooler 71 in addition; Described air-cooler 71 is for carrying the cold wind of cooling to transformation chamber 2 by cold air duct 72; Place potential device temperature too high.
The dust-proof seal transformer of one described in the present embodiment, also include intake stack 81, wind pipe 82 and dirt and consider device 83, one end of intake stack 81 is communicated with the side in transformation chamber 2 respectively with one end of wind pipe 82, and the air inlet that described dirt considers device 83 is communicated with the other end of wind pipe 82 with the other end of intake stack 81 respectively with gas outlet; Dirt is considered for prior art, again repeats no more, and dirt is considered in device 83 general containing spring, the filter screen etc. of bleeding.
The dust-proof seal transformer of one described in the present embodiment, the cavity inner surface in described transformation chamber 2 is coated with metal screen layer; For improving electromagnetic shielding, reduce the impact on communication antenna 6 as far as possible.
The above is only a preferred embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in the protection range of patent application of the present invention.
Claims (8)
1. a dust-proof seal transformer, it is characterized in that: include cabinet (1), the transformation chamber (2) for placing potential device is provided with in described cabinet (1), described cabinet (1) also includes the circuit being located at top, transformation chamber (2) and shelves chamber (3), the top that described circuit shelves chamber (3) is also provided with the first cavity (5), and the top of described first cavity (5) is also provided with the second cavity (4); Described circuit shelves in chamber (3) telecommunication circuit be provided with for communicating with the external world, also includes the communication antenna (6) be located in the second cavity (4), and described communication antenna (6) is for telecommunication circuit transmitting and receiving signal;
Also include intake stack (81), wind pipe (82) and dirt and consider device (83), one end of intake stack (81) is communicated with the side of transformation chamber (2) respectively with one end of wind pipe (82), and the air inlet that described dirt considers device (83) is communicated with the other end of wind pipe (82) with the other end of intake stack (81) respectively with gas outlet;
The cavity inner surface of described transformation chamber (2) is coated with metal screen layer.
2. the dust-proof seal transformer of one according to claim 1, it is characterized in that: described communication antenna (6) includes circular pcb board (90), described pcb board (90) front is provided with first oscillator arms (911) of arc, also include second oscillator arms (912) of the second arc, the radius of described second oscillator arms (912) is less than the first oscillator arms (911); The arc length of described first oscillator arms (911) is greater than the arc length of the second oscillator arms (912); The opening of described first oscillator arms (911) is towards the second oscillator arms (912), and the opening of described second oscillator arms (912) is towards the first oscillator arms (911);
The arched arm center of described first oscillator arms (911) is outward extended with the first linking arm (921), described first linking arm (921) free end is laterally provided with the first radiation arm (931), also include parallel with the first radiation arm (931) and be shorter in length than second radiation arm (932) of the first radiation arm (931), also include parallel with the second radiation arm (932) and be shorter in length than the 3rd radiation arm (933) of the second radiation arm (932), also include parallel with the 3rd radiation arm (933) and be shorter in length than the 4th radiation arm (934) of the 3rd radiation arm (933),
The arched arm center of described second oscillator arms (912) is outward extended with the second linking arm (922), described second linking arm (922) free end is laterally provided with the 5th radiation arm (935), also include parallel with the 5th radiation arm (935) and be shorter in length than the 6th radiation arm (936) of the 5th radiation arm (935), also include parallel with the 6th radiation arm (936) and be shorter in length than the 7th radiation arm (937) of the 6th radiation arm (936), also include parallel with the 7th radiation arm (937) and be shorter in length than the 8th radiation arm (938) of the 7th radiation arm (937),
Also include arc and nock towards the 3rd oscillator arms (913) of the first oscillator arms (911), described 3rd oscillator arms (913) is connected by feeder pillar with the first oscillator; Described 3rd oscillator arms (913) extends internally out the 4th trapezoidal oscillator arms (914), and the top margin of described 4th oscillator arms (914) is provided with multiple semi-circular indentation;
Also include arc and nock towards the 5th oscillator arms (915) of the first oscillator arms (911), described 5th oscillator arms (915) is connected by feeder pillar with the second oscillator; Described 5th oscillator arms (915) extends internally out the 6th trapezoidal oscillator arms (916), and the top margin of described 6th oscillator arms (916) is provided with multiple semi-circular indentation;
The back side of described pcb board (90) is provided with two power feed hole (942) corresponding with the first oscillator arms (911) and the second oscillator arms (912) respectively.
3. the dust-proof seal transformer of one according to claim 2, is characterized in that: the arc length of described 3rd oscillator arms (913) is identical with the arc length of the 5th oscillator arms (915); If the arc length of the 3rd oscillator arms (913) is L3, the arc length of the first oscillator arms (911) is L1, and the arc length of the second oscillator arms (912) is L2, described L1=L2+0.25L3.
4. the dust-proof seal transformer of one according to claim 2, is characterized in that: the outside of described 4th radiation arm (934) is zigzag, and the outside of described 8th radiation arm (938) is zigzag.
5. the dust-proof seal transformer of one according to claim 2, is characterized in that: the parasitic oscillator sheet (941) being also provided with a circle in described second oscillator arms (912).
6. the dust-proof seal transformer of one according to claim 2, it is characterized in that: described first cavity (5) is provided with a division board (95), described communication antenna (6) is located on division board (95), and the distance between division board (95) and communication antenna (6) is greater than 2cm.
7. the dust-proof seal transformer of one according to claim 6, is characterized in that: described division board (95) is a circular metal plate, described division board (95) is evenly provided with multiple hexagon through hole (951).
8. the dust-proof seal transformer of one according to claim 2, is characterized in that: the outer of described pcb board (90) is arranged with a circle shielding ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755579.7A CN105261443B (en) | 2015-11-09 | 2015-11-09 | A kind of dust-proof seal transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755579.7A CN105261443B (en) | 2015-11-09 | 2015-11-09 | A kind of dust-proof seal transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105261443A true CN105261443A (en) | 2016-01-20 |
| CN105261443B CN105261443B (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510755579.7A Expired - Fee Related CN105261443B (en) | 2015-11-09 | 2015-11-09 | A kind of dust-proof seal transformer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299571A (en) * | 2008-03-14 | 2008-11-05 | 北京合康亿盛科技有限公司 | Circulation cold air apparatus for high voltage frequency conversion equipment |
| CN201369229Y (en) * | 2009-03-05 | 2009-12-23 | 宁波华缘玻璃钢电器制造有限公司 | Transformer box used for railway communication signals |
| CN102780082A (en) * | 2012-07-20 | 2012-11-14 | 江苏华灿电讯股份有限公司 | Radiation unit high in gain and cross polar ratio |
| CN203387057U (en) * | 2013-07-10 | 2014-01-08 | 国家电网公司 | Power distribution cabinet antenna placing device |
| CN203445476U (en) * | 2013-09-13 | 2014-02-19 | 南车株洲电力机车研究所有限公司 | Power supply cabinet |
| CN104867652A (en) * | 2014-02-25 | 2015-08-26 | 国家电网公司 | Transformer housing, transformer and power distribution equipment with transformer |
-
2015
- 2015-11-09 CN CN201510755579.7A patent/CN105261443B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299571A (en) * | 2008-03-14 | 2008-11-05 | 北京合康亿盛科技有限公司 | Circulation cold air apparatus for high voltage frequency conversion equipment |
| CN201369229Y (en) * | 2009-03-05 | 2009-12-23 | 宁波华缘玻璃钢电器制造有限公司 | Transformer box used for railway communication signals |
| CN102780082A (en) * | 2012-07-20 | 2012-11-14 | 江苏华灿电讯股份有限公司 | Radiation unit high in gain and cross polar ratio |
| CN203387057U (en) * | 2013-07-10 | 2014-01-08 | 国家电网公司 | Power distribution cabinet antenna placing device |
| CN203445476U (en) * | 2013-09-13 | 2014-02-19 | 南车株洲电力机车研究所有限公司 | Power supply cabinet |
| CN104867652A (en) * | 2014-02-25 | 2015-08-26 | 国家电网公司 | Transformer housing, transformer and power distribution equipment with transformer |
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| CN105261443B (en) | 2016-10-19 |
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Inventor after: Ni Jun Inventor after: Wang Zhongfeng Inventor after: Yang Minkai Inventor after: Song Jianliang Inventor after: Liang Youzhi Inventor after: Zhang Guanghai Inventor after: Jia Ruilong Inventor after: Hao Fengai Inventor after: Shi Shunchao Inventor after: Yang Mingjin Inventor after: Zhang Jianfeng Inventor after: Sun Yuxiang Inventor after: Lv Yang Inventor after: Zhang Qinghong Inventor after: Zhang Jun Inventor after: Ni Minghui Inventor after: Zhu Jie Inventor after: Gao Yunwei Inventor after: Li Yuanhua Inventor after: Liu Qingdong Inventor after: Geng Aimin Inventor after: Tian Lei Inventor after: Bai Feng Inventor after: Pang Daodong Inventor before: Jiang Jianliang |
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Effective date of registration: 20160921 Address after: No. 276400 Shandong Xinhua C000841 city of Linyi province Yishui County Road Applicant after: State Grid Shandong Electric Power Company Yishui County Power Supply Company Address before: 523000 Jinsheng international A1918, Nancheng District, Guangdong, Dongguan Applicant before: Jiang Jianliang |
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Granted publication date: 20161019 Termination date: 20181109 |